USPC Patent Classifications

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Class 318 electricity: motive power systems
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318/1318 electricity: motive power systems/(1) electric motor with nonmotor driving means (e.g., axle drive, manual drive)
318/2318 electricity: motive power systems/(1) electric motor with nonmotor driving means (e.g., axle drive, manual drive) (2) manual driving means
318/3318 electricity: motive power systems/(3) with particular motor-driven load device
318/4318 electricity: motive power systems/(3) with particular motor-driven load device (4) plural, diverse or diversely controlled load device
318/5318 electricity: motive power systems/(3) with particular motor-driven load device (4) plural, diverse or diversely controlled load device (5) plural motor drive
318/6318 electricity: motive power systems/(3) with particular motor-driven load device (6) tension-maintaining type of motor-control system
318/7318 electricity: motive power systems/(3) with particular motor-driven load device (6) tension-maintaining type of motor-control system (7) plural, diverse or diversely controlled motors
318/8318 electricity: motive power systems/(3) with particular motor-driven load device (8) plural, diverse or diversely controlled driving motors (e.g., driving differential gearing)
318/9318 electricity: motive power systems/(3) with particular motor-driven load device (9) power- or motion-transmitting mechanism
318/10318 electricity: motive power systems/(3) with particular motor-driven load device (9) power- or motion-transmitting mechanism (10) reversible drive mechanism
318/11318 electricity: motive power systems/(3) with particular motor-driven load device (9) power- or motion-transmitting mechanism (11) variable speed mechanism
318/12318 electricity: motive power systems/(3) with particular motor-driven load device (9) power- or motion-transmitting mechanism (11) variable speed mechanism (12) gearing
318/13318 electricity: motive power systems/(3) with particular motor-driven load device (9) power- or motion-transmitting mechanism (11) variable speed mechanism (12) gearing (13) differential type
318/14318 electricity: motive power systems/(3) with particular motor-driven load device (9) power- or motion-transmitting mechanism (14) motion-converting mechanism
318/15318 electricity: motive power systems/(3) with particular motor-driven load device (9) power- or motion-transmitting mechanism (15) mechanical gearing
318/16318 electricity: motive power systems/(16) supplied or controlled by space-transmitted electromagnetic or electrostatic energy (e.g., by radio)
318/17318 electricity: motive power systems/(17) portable-mounted motor and/or portable-mounted electrical systems therefor
318/560318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms)
318/561318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (561) adaptive or optimizing systems including "bang-bang" servos
318/562318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (562) time-sharing or multiplexing systems
318/563318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (563) with protective or reliability increasing features (e.g., "fail-safe" systems)
318/564318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (563) with protective or reliability increasing features (e.g., "fail-safe" systems) (564) "redundant" operating channels
318/565318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (563) with protective or reliability increasing features (e.g., "fail-safe" systems) (565) monitoring systems
318/566318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (563) with protective or reliability increasing features (e.g., "fail-safe" systems) (566) maneuver, force, or load-limiting
318/567318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (567) program- or pattern-controlled systems
318/568.1318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (567) program- or pattern-controlled systems (568.1) with program recording or composing means
318/568.11318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (567) program- or pattern-controlled systems (568.1) with program recording or composing means (568.11) multifunction manipulator (i.e., robot)
318/568.12318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (567) program- or pattern-controlled systems (568.1) with program recording or composing means (568.11) multifunction manipulator (i.e., robot) (568.12) mobile robot
318/568.13318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (567) program- or pattern-controlled systems (568.1) with program recording or composing means (568.11) multifunction manipulator (i.e., robot) (568.13) with particular program teaching method
318/568.14318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (567) program- or pattern-controlled systems (568.1) with program recording or composing means (568.11) multifunction manipulator (i.e., robot) (568.13) with particular program teaching method (568.14) manual lead through
318/568.15318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (567) program- or pattern-controlled systems (568.1) with program recording or composing means (568.11) multifunction manipulator (i.e., robot) (568.15) with particular interpolation means
318/568.16318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (567) program- or pattern-controlled systems (568.1) with program recording or composing means (568.11) multifunction manipulator (i.e., robot) (568.16) with particular sensing device
318/568.17318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (567) program- or pattern-controlled systems (568.1) with program recording or composing means (568.11) multifunction manipulator (i.e., robot) (568.17) with multimode control (e.g., course-fine, position-force, etc.)
318/568.18318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (567) program- or pattern-controlled systems (568.1) with program recording or composing means (568.11) multifunction manipulator (i.e., robot) (568.17) with multimode control (e.g., course-fine, position-force, etc.) (568.18) including velocity control
318/568.19318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (567) program- or pattern-controlled systems (568.1) with program recording or composing means (568.11) multifunction manipulator (i.e., robot) (568.19) with particular coordinate transformation means
318/568.2318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (567) program- or pattern-controlled systems (568.1) with program recording or composing means (568.11) multifunction manipulator (i.e., robot) (568.2) with plural control systems (e.g., the interaction of plural processors to control the plural joints of a single robot):
318/568.21318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (567) program- or pattern-controlled systems (568.1) with program recording or composing means (568.11) multifunction manipulator (i.e., robot) (568.2) with plural control systems (e.g., the interaction of plural processors to control the plural joints of a single robot): (568.21) including end effector (e.g., gripping jaw, micromanipulator, etc.)
318/568.22318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (567) program- or pattern-controlled systems (568.1) with program recording or composing means (568.11) multifunction manipulator (i.e., robot) (568.22) with particular compensation (e.g., gain, offset, etc.)
318/568.23318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (567) program- or pattern-controlled systems (568.1) with program recording or composing means (568.11) multifunction manipulator (i.e., robot) (568.22) with particular compensation (e.g., gain, offset, etc.) (568.23) including program modification
318/568.24318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (567) program- or pattern-controlled systems (568.1) with program recording or composing means (568.11) multifunction manipulator (i.e., robot) (568.24) with reliability enhancement means (e.g., monitoring, redundant circuits, etc.)
318/568.25318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (567) program- or pattern-controlled systems (568.1) with program recording or composing means (568.11) multifunction manipulator (i.e., robot) (568.24) with reliability enhancement means (e.g., monitoring, redundant circuits, etc.) (568.25) including display device
318/569318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (567) program- or pattern-controlled systems (569) digital or numerical systems
318/570318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (567) program- or pattern-controlled systems (569) digital or numerical systems (570) contouring systems
318/571318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (567) program- or pattern-controlled systems (569) digital or numerical systems (570) contouring systems (571) with "feed-rate" control
318/572318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (567) program- or pattern-controlled systems (569) digital or numerical systems (570) contouring systems (572) with "zero-offset" or tool radius correction
318/573318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (567) program- or pattern-controlled systems (569) digital or numerical systems (570) contouring systems (573) with interpolating means
318/574318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (567) program- or pattern-controlled systems (569) digital or numerical systems (570) contouring systems (574) multiple axes point to point systems
318/575318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (567) program- or pattern-controlled systems (575) multiple axes analog systems
318/576318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (567) program- or pattern-controlled systems (575) multiple axes analog systems (576) nonmechanical line, seam or edge followers
318/577318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (567) program- or pattern-controlled systems (575) multiple axes analog systems (576) nonmechanical line, seam or edge followers (577) optical or photoelectric line followers
318/578318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (567) program- or pattern-controlled systems (575) multiple axes analog systems (578) cam or template followers
318/579318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (567) program- or pattern-controlled systems (575) multiple axes analog systems (579) multiple pass systems
318/580318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (580) vehicular guidance systems with single axis control
318/581318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (580) vehicular guidance systems with single axis control (581) radio-controlled
318/582318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (580) vehicular guidance systems with single axis control (582) celestial navigation
318/583318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (580) vehicular guidance systems with single axis control (583) landing systems
318/584318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (580) vehicular guidance systems with single axis control (584) altitude or pitch control
318/585318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (580) vehicular guidance systems with single axis control (585) roll control
318/586318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (580) vehicular guidance systems with single axis control (586) yaw control
318/587318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (580) vehicular guidance systems with single axis control (587) land vehicles
318/588318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (580) vehicular guidance systems with single axis control (588) marine vehicles
318/589318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (580) vehicular guidance systems with single axis control (588) marine vehicles (589) submarine and torpedo systems
318/590318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (590) multiple mode systems
318/591318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (590) multiple mode systems (591) with mode-engagement features (e.g., manual to automatic)
318/592318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (590) multiple mode systems (592) fine and coarse systems
318/593318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (590) multiple mode systems (592) fine and coarse systems (593) separate fine and coarse motors
318/594318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (590) multiple mode systems (592) fine and coarse systems (594) digital systems
318/595318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (590) multiple mode systems (592) fine and coarse systems (595) multiple speed synchro systems
318/596318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (590) multiple mode systems (596) combined "on-off" and proportional control
318/597318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (590) multiple mode systems (597) slewing systems
318/598318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (590) multiple mode systems (597) slewing systems (598) with a separate slewing motor
318/599318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (599) pulse-width modulated power input to motor (e.g., "duty cycle" systems)
318/600318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (600) digital or numerical systems
318/601318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (600) digital or numerical systems (601) digital comparison
318/602318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (600) digital or numerical systems (601) digital comparison (602) commutating switch-type encoder
318/603318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (600) digital or numerical systems (603) pulse-counting systems
318/604318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (600) digital or numerical systems (604) analogue comparison
318/605318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (600) digital or numerical systems (604) analogue comparison (605) synchro or resolver (e.g., transmitter simulators)
318/606318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (606) frequency- or phase-modulated systems
318/607318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (606) frequency- or phase-modulated systems (607) frequency comparison
318/608318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (606) frequency- or phase-modulated systems (608) phase comparison
318/609318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (609) "reset" systems (p.i.)
318/610318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (609) "reset" systems (p.i.) (610) with rate (p. i. d.) (e.g., reset windup prevention)
318/611318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (611) with stabilizing features (e.g., anti-hunting, damping)
318/612318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (611) with stabilizing features (e.g., anti-hunting, damping) (612) electric braking near balance (e.g., dynamic)
318/613318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (611) with stabilizing features (e.g., anti-hunting, damping) (612) electric braking near balance (e.g., dynamic) (613) d.c. in a.c. windings
318/614318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (611) with stabilizing features (e.g., anti-hunting, damping) (614) friction-braking near balance including magnetic or eddy current brakes
318/615318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (611) with stabilizing features (e.g., anti-hunting, damping) (615) by auxiliary feedback loop
318/616318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (611) with stabilizing features (e.g., anti-hunting, damping) (615) by auxiliary feedback loop (616) rate feedback
318/617318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (611) with stabilizing features (e.g., anti-hunting, damping) (615) by auxiliary feedback loop (616) rate feedback (617) variable rate feedback
318/618318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (611) with stabilizing features (e.g., anti-hunting, damping) (615) by auxiliary feedback loop (616) rate feedback (618) tachometer feedback
318/619318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (611) with stabilizing features (e.g., anti-hunting, damping) (619) variable gain bandwidth
318/620318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (611) with stabilizing features (e.g., anti-hunting, damping) (620) nonlinear circuits
318/621318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (611) with stabilizing features (e.g., anti-hunting, damping) (621) lead or lag networks
318/622318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (611) with stabilizing features (e.g., anti-hunting, damping) (621) lead or lag networks (622) a.c. networks
318/623318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (611) with stabilizing features (e.g., anti-hunting, damping) (623) load stabilization (e.g., viscous, magnetic or friction dampers)
318/624318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (611) with stabilizing features (e.g., anti-hunting, damping) (624) by deadband at null (e.g., threshold circuits)
318/625318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (625) plural servomotors
318/626318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (626) limit or end-stop control
318/627318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (626) limit or end-stop control (627) secto-scanning systems
318/628318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (628) "feelback" systems
318/629318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (629) unwanted harmonic or voltage component elimination quadrature rejection systems
318/630318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (630) antibacklash systems (e.g., with unidirectional approach to balance)
318/631318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (631) antistatic friction features (e.g., "dither" voltage)
318/632318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (632) with compensating features
318/633318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (632) with compensating features (633) "two-cycle error" compensation
318/634318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (632) with compensating features (634) temperature compensation
318/635318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (635) with signal-, voltage-, or current-limiting
318/636318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (636) "sampling" systems including miscellaneous "sampled data" control systems
318/637318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (637) analog computation
318/638318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (638) with particular "error-detecting" means
318/639318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (638) with particular "error-detecting" means (639) plural, diverse conditions
318/640318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (638) with particular "error-detecting" means (640) photoelectric or optical-type measuring instruments
318/641318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (638) with particular "error-detecting" means (641) with particular temperature measuring instrument
318/642318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (638) with particular "error-detecting" means (642) with liquid level measuring instruments
318/643318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (638) with particular "error-detecting" means (643) with moisture content or wetness measuring instruments
318/644318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (638) with particular "error-detecting" means (644) with flow measuring instruments
318/645318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (638) with particular "error-detecting" means (645) with fluid pressure measuring instruments
318/646318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (638) with particular "error-detecting" means (646) with force or weight measuring instruments
318/647318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (638) with particular "error-detecting" means (647) with magnetic field measuring instruments
318/648318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (638) with particular "error-detecting" means (648) with inertial, direction or inclination measuring instrument
318/649318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (638) with particular "error-detecting" means (648) with inertial, direction or inclination measuring instrument (649) stable platforms
318/650318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (638) with particular "error-detecting" means (650) with current, voltage or electrical power measuring instruments
318/651318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (638) with particular "error-detecting" means (651) with acceleration measuring instruments
318/652318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (638) with particular "error-detecting" means (652) with particular position measuring instruments
318/653318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (638) with particular "error-detecting" means (652) with particular position measuring instruments (653) magnetic transducers
318/654318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (638) with particular "error-detecting" means (652) with particular position measuring instruments (654) synchro control transmitter-transformer systems
318/655318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (638) with particular "error-detecting" means (652) with particular position measuring instruments (654) synchro control transmitter-transformer systems (655) with synchro differential
318/656318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (638) with particular "error-detecting" means (652) with particular position measuring instruments (656) differential transformer systems
318/657318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (638) with particular "error-detecting" means (652) with particular position measuring instruments (656) differential transformer systems (657) linear differential transformer
318/658318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (638) with particular "error-detecting" means (652) with particular position measuring instruments (656) differential transformer systems (658) "e" type transformer
318/659318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (638) with particular "error-detecting" means (652) with particular position measuring instruments (656) differential transformer systems (659) "microsyn" type
318/660318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (638) with particular "error-detecting" means (652) with particular position measuring instruments (656) differential transformer systems (660) "inductosyn" systems
318/661318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (638) with particular "error-detecting" means (652) with particular position measuring instruments (656) differential transformer systems (661) resolver systems
318/662318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (638) with particular "error-detecting" means (652) with particular position measuring instruments (662) variable capacitor systems
318/663318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (638) with particular "error-detecting" means (652) with particular position measuring instruments (663) potentiometer systems including autotransformers and wheatstone bridges
318/664318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (638) with particular "error-detecting" means (652) with particular position measuring instruments (663) potentiometer systems including autotransformers and wheatstone bridges (664) minor arc seeking
318/665318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (638) with particular "error-detecting" means (652) with particular position measuring instruments (663) potentiometer systems including autotransformers and wheatstone bridges (665) continuous rotation, unlimited range
318/666318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (638) with particular "error-detecting" means (652) with particular position measuring instruments (663) potentiometer systems including autotransformers and wheatstone bridges (666) controlled tap and slidewire
318/667318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (638) with particular "error-detecting" means (652) with particular position measuring instruments (663) potentiometer systems including autotransformers and wheatstone bridges (667) with a bridge in the feedback circuit
318/668318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (638) with particular "error-detecting" means (652) with particular position measuring instruments (663) potentiometer systems including autotransformers and wheatstone bridges (667) with a bridge in the feedback circuit (668) recalibrating systems
318/669318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (638) with particular "error-detecting" means (652) with particular position measuring instruments (669) standing wave
318/670318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (638) with particular "error-detecting" means (652) with particular position measuring instruments (670) contact resistance
318/671318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (671) with particular motor control system responsive to the "actuating signal"
318/672318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (671) with particular motor control system responsive to the "actuating signal" (672) discontinuous or "on-off" control
318/673318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (671) with particular motor control system responsive to the "actuating signal" (672) discontinuous or "on-off" control (673) seeking switch type
318/674318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (671) with particular motor control system responsive to the "actuating signal" (672) discontinuous or "on-off" control (674) wheatstone bridge type
318/675318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (671) with particular motor control system responsive to the "actuating signal" (675) one transmitter or controller element follows another
318/676318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (671) with particular motor control system responsive to the "actuating signal" (676) transmitter or controller element returned (e.g., force balance systems)
318/677318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (671) with particular motor control system responsive to the "actuating signal" (677) with particular servoamplifier
318/678318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (671) with particular motor control system responsive to the "actuating signal" (677) with particular servoamplifier (678) differential amplifier
318/679318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (671) with particular motor control system responsive to the "actuating signal" (677) with particular servoamplifier (679) diverse types of amplifiers in different stage
318/680318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (671) with particular motor control system responsive to the "actuating signal" (677) with particular servoamplifier (680) magnetic servoamplifiers
318/681318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (671) with particular motor control system responsive to the "actuating signal" (677) with particular servoamplifier (681) solid-state servoamplifiers
318/682318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (671) with particular motor control system responsive to the "actuating signal" (677) with particular servoamplifier (682) rotating amplifier (e.g., "ward leonard" control)
318/683318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (671) with particular motor control system responsive to the "actuating signal" (683) with particular phase discriminator
318/684318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (671) with particular motor control system responsive to the "actuating signal" (684) with particular modulator or detector (e.g., choppers)
318/685318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (671) with particular motor control system responsive to the "actuating signal" (685) "step-by-step" motors in closed-loop servos
318/686318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (671) with particular motor control system responsive to the "actuating signal" (686) reciprocating or oscillating motors
318/687318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (671) with particular motor control system responsive to the "actuating signal" (687) linear movement motors
318/688318 electricity: motive power systems/(560) positional servo systems (e.g., servomechanisms) (671) with particular motor control system responsive to the "actuating signal" (688) shaded pole motors
318/689318 electricity: motive power systems/(689) torquing motors
318/690318 electricity: motive power systems/(690) self-synchronous type of motor
318/691318 electricity: motive power systems/(690) self-synchronous type of motor (691) with means to amplify transmitter signals
318/692318 electricity: motive power systems/(690) self-synchronous type of motor (692) having induction or "selsyn" type transmitter
318/693318 electricity: motive power systems/(690) self-synchronous type of motor (693) having impedance-type transmitter
318/694318 electricity: motive power systems/(690) self-synchronous type of motor (694) having commutated dynamoelectric machine transmitter
318/695318 electricity: motive power systems/(690) self-synchronous type of motor (695) having commutating switch-type transmitter
318/696318 electricity: motive power systems/(696) open-loop stepping motor control systems
318/34318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors
318/35318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (35) motors with diverse motions (e.g., reciprocating and rotary motors)
318/37318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (37) plural reciprocating or oscillating motors
318/38318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (38) plural linear-movement motors
318/39318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (39) work and feed motors (e.g., indexing)
318/40318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (40) motor biased against rotation
318/41318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (41) having electrical synchronizing interconnections
318/42318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (41) having electrical synchronizing interconnections (42) between windings on auxiliary dynamo-electric machines
318/43318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (41) having electrical synchronizing interconnections (43) d.c. or a.c. commutator motors with slip rings
318/44318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (41) having electrical synchronizing interconnections (44) between induction motor secondaries
318/45318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (45) mechanically coupled in fixed ratio of movement
318/46318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (45) mechanically coupled in fixed ratio of movement (46) motors having unlike operating characteristics
318/47318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (45) mechanically coupled in fixed ratio of movement (46) motors having unlike operating characteristics (47) synchronous and nonsynchronous motors
318/48318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (45) mechanically coupled in fixed ratio of movement (48) mechanically coupled in torque opposition
318/49318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (49) motors electrically connected in cascade or tandem
318/50318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (49) motors electrically connected in cascade or tandem (50) with means for effecting other motor interconnections
318/51318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (51) plural, diverse motor controls for different motors
318/52318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (52) slipping and/or racing control for electric motors
318/53318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (53) plural, diverse motor controls
318/54318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (53) plural, diverse motor controls (54) motor-reversing
318/55318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (53) plural, diverse motor controls (54) motor-reversing (55) with running-speed control
318/56318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (53) plural, diverse motor controls (54) motor-reversing (55) with running-speed control (56) and braking
318/57318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (53) plural, diverse motor controls (54) motor-reversing (57) and braking
318/58318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (53) plural, diverse motor controls (54) motor-reversing (58) and acceleration control
318/59318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (53) plural, diverse motor controls (59) running-speed control
318/60318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (53) plural, diverse motor controls (59) running-speed control (60) and braking
318/61318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (53) plural, diverse motor controls (59) running-speed control (61) and acceleration control
318/62318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (53) plural, diverse motor controls (59) running-speed control (62) and automatic starting and/or stopping and/or with time delay
318/63318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (53) plural, diverse motor controls (63) braking
318/64318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (53) plural, diverse motor controls (64) acceleration control
318/65318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (65) motor-reversing
318/66318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (66) running-speed control
318/67318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (66) running-speed control (67) diverse speeds for different motors
318/68318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (66) running-speed control (68) relative motor speed control
318/69318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (66) running-speed control (68) relative motor speed control (69) with speed-difference detector
318/70318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (66) running-speed control (68) relative motor speed control (69) with speed-difference detector (70) electrical-type detectors
318/71318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (66) running-speed control (68) relative motor speed control (69) with speed-difference detector (70) electrical-type detectors (71) voltage and/or current difference detector
318/72318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (66) running-speed control (68) relative motor speed control (69) with speed-difference detector (70) electrical-type detectors (72) dynamoelectric machine detector
318/73318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (66) running-speed control (68) relative motor speed control (69) with speed-difference detector (70) electrical-type detectors (73) synchronously operated impedance detectors
318/74318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (66) running-speed control (68) relative motor speed control (69) with speed-difference detector (70) electrical-type detectors (74) synchronously actuated switch detectors
318/75318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (66) running-speed control (68) relative motor speed control (69) with speed-difference detector (70) electrical-type detectors (74) synchronously actuated switch detectors (75) plural switches connected in series
318/76318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (66) running-speed control (68) relative motor speed control (69) with speed-difference detector (76) differential-gearing detector
318/77318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (66) running-speed control (68) relative motor speed control (77) controlling motor speed in response to speed of another motor
318/78318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (66) running-speed control (68) relative motor speed control (77) controlling motor speed in response to speed of another motor (78) controlling a.c. frequency or rate of electrical impulses to other motor
318/79318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (66) running-speed control (68) relative motor speed control (79) control of both armature (or primary) and field (or secondary) circuits
318/80318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (66) running-speed control (68) relative motor speed control (80) armature or primary circuit control
318/81318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (66) running-speed control (68) relative motor speed control (81) field secondary circuit control
318/82318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (66) running-speed control (82) armature or primary circuit control
318/83318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (66) running-speed control (82) armature or primary circuit control (83) series-parallel armature circuit connections
318/84318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (66) running-speed control (84) field or secondary circuit control
318/85318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (85) synchronizing or phasing control
318/86318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (86) braking
318/87318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (86) braking (87) motor used as braking generator (dynamic braking)
318/88318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (86) braking (87) motor used as braking generator (dynamic braking) (88) load or current division during braking
318/89318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (86) braking (87) motor used as braking generator (dynamic braking) (89) motor as exciter for another motor
318/90318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (90) acceleration control
318/91318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (90) acceleration control (91) accelerating motors in succession or selectively
318/92318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (90) acceleration control (92) control of both armature (or primary) and field (or secondary) circuits
318/93318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (90) acceleration control (92) control of both armature (or primary) and field (or secondary) circuits (93) series-parallel connected armature or primary circuits
318/94318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (90) acceleration control (94) armature or primary circuit control
318/95318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (90) acceleration control (94) armature or primary circuit control (95) series-parallel connections
318/96318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (90) acceleration control (94) armature or primary circuit control (95) series-parallel connections (96) with armature circuit impedance
318/97318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (90) acceleration control (97) field or secondary circuit control
318/98318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (98) load control
318/99318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (98) load control (99) fixed ratio of load or current division
318/100318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (98) load control (99) fixed ratio of load or current division (100) by field or secondary circuit control
318/101318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (101) starting and/or stopping
318/102318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (101) starting and/or stopping (102) sequential or successive starting and/or stopping
318/103318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (101) starting and/or stopping (103) selective starting and/or stopping
318/104318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (101) starting and/or stopping (104) armature (or primary) circuit control
318/105318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (105) plural, diverse or diversely controlled sources of armature (or primary) supply
318/106318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (105) plural, diverse or diversely controlled sources of armature (or primary) supply (106) diverse sources
318/107318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (105) plural, diverse or diversely controlled sources of armature (or primary) supply (106) diverse sources (107) a.c. and d.c.
318/108318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (105) plural, diverse or diversely controlled sources of armature (or primary) supply (106) diverse sources (107) a.c. and d.c. (108) different voltages
318/109318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (105) plural, diverse or diversely controlled sources of armature (or primary) supply (106) diverse sources (109) different voltages
318/110318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (105) plural, diverse or diversely controlled sources of armature (or primary) supply (106) diverse sources (110) different frequencies
318/111318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (111) series-parallel connected motors
318/112318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (112) parallel connected motors
318/113318 electricity: motive power systems/(34) plural, diverse or diversely controlled electric motors (113) series connected motors
318/114318 electricity: motive power systems/(114) impact, mechanical shock, or vibration-producing motors
318/115318 electricity: motive power systems/(115) motor with diverse motions (e.g., rotary and reciprocating)
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