USPC Patent Classifications

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Class 367 communications, electrical: acoustic wave systems and devices
uspcdescription
367/1367 communications, electrical: acoustic wave systems and devices/(1) sonar counter-measures
367/2367 communications, electrical: acoustic wave systems and devices/(2) transponders
367/3367 communications, electrical: acoustic wave systems and devices/(2) transponders (3) sonobuoys and sonobuoy systems
367/4367 communications, electrical: acoustic wave systems and devices/(2) transponders (3) sonobuoys and sonobuoy systems (4) with component activating or deployment means
367/5367 communications, electrical: acoustic wave systems and devices/(2) transponders (3) sonobuoys and sonobuoy systems (5) with plurality of sonobuoys
367/6367 communications, electrical: acoustic wave systems and devices/(2) transponders (6) with plurality of transponders
367/7367 communications, electrical: acoustic wave systems and devices/(7) acoustic image conversion
367/8367 communications, electrical: acoustic wave systems and devices/(7) acoustic image conversion (8) acoustic holography
367/9367 communications, electrical: acoustic wave systems and devices/(7) acoustic image conversion (8) acoustic holography (9) seismic display
367/10367 communications, electrical: acoustic wave systems and devices/(7) acoustic image conversion (8) acoustic holography (10) liquid or deformable surface holography
367/11367 communications, electrical: acoustic wave systems and devices/(7) acoustic image conversion (11) with memory means
367/12367 communications, electrical: acoustic wave systems and devices/(12) beam stabilization or compensation
367/13367 communications, electrical: acoustic wave systems and devices/(13) testing, monitoring, or calibrating
367/14367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting
367/15367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (15) offshore prospecting
367/16367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (15) offshore prospecting (16) transducer position control
367/17367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (15) offshore prospecting (16) transducer position control (17) hydromechanical
367/18367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (15) offshore prospecting (16) transducer position control (18) fluid variation
367/19367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (15) offshore prospecting (19) transducer cable location determination
367/20367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (15) offshore prospecting (20) multiple hydrophone cable systems
367/21367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (15) offshore prospecting (21) signal processing
367/22367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (15) offshore prospecting (21) signal processing (22) transducer output weighting
367/23367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (15) offshore prospecting (21) signal processing (23) controlled source signalling
367/24367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (15) offshore prospecting (21) signal processing (24) reverberation removal
367/25367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (25) well logging
367/26367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (25) well logging (26) threshold set system
367/27367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (25) well logging (27) time interval measurement
367/28367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (25) well logging (28) amplitude measurement
367/29367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (25) well logging (28) amplitude measurement (29) peak amplitude
367/30367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (25) well logging (28) amplitude measurement (30) amplitude comparison
367/31367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (25) well logging (28) amplitude measurement (31) of noncompressional acoustic wave energy
367/32367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (25) well logging (28) amplitude measurement (32) frequency dependent determination
367/33367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (25) well logging (33) depth recording or control
367/34367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (25) well logging (34) received signal cycle discrimination
367/35367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (25) well logging (35) borehole or casing condition
367/36367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (36) land-refraction type
367/37367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (37) land-reflection type
367/38367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (37) land-reflection type (38) signal analysis and/or correction
367/39367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (37) land-reflection type (38) signal analysis and/or correction (39) random signal correlation
367/40367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (37) land-reflection type (38) signal analysis and/or correction (40) received correlation
367/41367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (37) land-reflection type (38) signal analysis and/or correction (41) transmitted correlation
367/42367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (37) land-reflection type (38) signal analysis and/or correction (42) standard correlation
367/43367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (37) land-reflection type (38) signal analysis and/or correction (43) filters
367/44367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (37) land-reflection type (38) signal analysis and/or correction (43) filters (44) comb filters
367/45367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (37) land-reflection type (38) signal analysis and/or correction (43) filters (45) adaptive filters
367/46367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (37) land-reflection type (38) signal analysis and/or correction (43) filters (46) inverse filters
367/47367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (37) land-reflection type (38) signal analysis and/or correction (47) amplitude
367/48367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (37) land-reflection type (38) signal analysis and/or correction (48) phase
367/49367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (37) land-reflection type (38) signal analysis and/or correction (49) frequency
367/50367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (37) land-reflection type (38) signal analysis and/or correction (50) timing correction
367/51367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (37) land-reflection type (38) signal analysis and/or correction (50) timing correction (51) dynamic timing correction
367/52367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (37) land-reflection type (38) signal analysis and/or correction (50) timing correction (51) dynamic timing correction (52) normal moveout
367/53367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (37) land-reflection type (38) signal analysis and/or correction (50) timing correction (53) for dip
367/54367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (37) land-reflection type (38) signal analysis and/or correction (50) timing correction (54) for weathering layer
367/55367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (37) land-reflection type (38) signal analysis and/or correction (55) timing mark generation
367/56367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (37) land-reflection type (38) signal analysis and/or correction (56) particular source-receiver array
367/57367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (37) land-reflection type (38) signal analysis and/or correction (56) particular source-receiver array (57) vertical receiver or source array
367/58367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (37) land-reflection type (38) signal analysis and/or correction (58) by receiver pattern arrangement
367/59367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (37) land-reflection type (38) signal analysis and/or correction (59) compositing system
367/60367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (37) land-reflection type (38) signal analysis and/or correction (59) compositing system (60) special digital system
367/61367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (37) land-reflection type (38) signal analysis and/or correction (59) compositing system (61) beam steering
367/62367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (37) land-reflection type (38) signal analysis and/or correction (59) compositing system (62) array weighting
367/63367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (37) land-reflection type (38) signal analysis and/or correction (59) compositing system (63) with preliminary signal processing
367/64367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (37) land-reflection type (38) signal analysis and/or correction (64) optical processing
367/65367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (37) land-reflection type (38) signal analysis and/or correction (65) gain control
367/66367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (37) land-reflection type (38) signal analysis and/or correction (65) gain control (66) analog/digital compatible systems
367/67367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (37) land-reflection type (38) signal analysis and/or correction (65) gain control (67) digital
367/68367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (37) land-reflection type (68) display systems
367/69367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (37) land-reflection type (68) display systems (69) well logging type
367/70367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (37) land-reflection type (68) display systems (70) color
367/71367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (37) land-reflection type (68) display systems (71) crt
367/72367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (37) land-reflection type (68) display systems (72) 3-d
367/73367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (37) land-reflection type (73) synthetic seismograms and models
367/74367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (37) land-reflection type (74) format conversion
367/75367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (37) land-reflection type (75) shear wave
367/76367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (37) land-reflection type (76) telemetry
367/77367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (37) land-reflection type (76) telemetry (77) radio wave
367/78367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (37) land-reflection type (76) telemetry (78) multiplex
367/79367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (37) land-reflection type (76) telemetry (78) multiplex (79) time
367/80367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (37) land-reflection type (76) telemetry (78) multiplex (80) frequency
367/81367 communications, electrical: acoustic wave systems and devices/(81) wellbore telemetering
367/82367 communications, electrical: acoustic wave systems and devices/(81) wellbore telemetering (82) through drill string or casing
367/83367 communications, electrical: acoustic wave systems and devices/(81) wellbore telemetering (83) through well fluids
367/84367 communications, electrical: acoustic wave systems and devices/(81) wellbore telemetering (83) through well fluids (84) rotary valve control
367/85367 communications, electrical: acoustic wave systems and devices/(81) wellbore telemetering (83) through well fluids (85) linear valve control
367/86367 communications, electrical: acoustic wave systems and devices/(86) borehole testing
367/87367 communications, electrical: acoustic wave systems and devices/(87) echo systems
367/88367 communications, electrical: acoustic wave systems and devices/(87) echo systems (88) side scanning or contour mapping sonar systems
367/89367 communications, electrical: acoustic wave systems and devices/(87) echo systems (89) speed determination
367/90367 communications, electrical: acoustic wave systems and devices/(87) echo systems (89) speed determination (90) by doppler effect
367/91367 communications, electrical: acoustic wave systems and devices/(87) echo systems (89) speed determination (90) by doppler effect (91) vehicle mounted system for determining vehicle speed
367/92367 communications, electrical: acoustic wave systems and devices/(87) echo systems (92) parametric sonar
367/93367 communications, electrical: acoustic wave systems and devices/(87) echo systems (93) presence or movement only detection
367/94367 communications, electrical: acoustic wave systems and devices/(87) echo systems (93) presence or movement only detection (94) by doppler effect
367/95367 communications, electrical: acoustic wave systems and devices/(87) echo systems (95) returned signal used for control
367/96367 communications, electrical: acoustic wave systems and devices/(87) echo systems (95) returned signal used for control (96) external device
367/97367 communications, electrical: acoustic wave systems and devices/(87) echo systems (95) returned signal used for control (97) receiver system
367/98367 communications, electrical: acoustic wave systems and devices/(87) echo systems (95) returned signal used for control (97) receiver system (98) automatic gain or threshold control
367/99367 communications, electrical: acoustic wave systems and devices/(87) echo systems (99) distance or direction finding
367/100367 communications, electrical: acoustic wave systems and devices/(87) echo systems (99) distance or direction finding (100) with correlation or matched filtering
367/101367 communications, electrical: acoustic wave systems and devices/(87) echo systems (99) distance or direction finding (101) frequency modulation
367/102367 communications, electrical: acoustic wave systems and devices/(87) echo systems (99) distance or direction finding (101) frequency modulation (102) linear modulation (e.g., sawtooth)
367/103367 communications, electrical: acoustic wave systems and devices/(87) echo systems (99) distance or direction finding (103) with beam steering, scanning, or focussing
367/104367 communications, electrical: acoustic wave systems and devices/(87) echo systems (99) distance or direction finding (103) with beam steering, scanning, or focussing (104) by transducer movement
367/105367 communications, electrical: acoustic wave systems and devices/(87) echo systems (99) distance or direction finding (103) with beam steering, scanning, or focussing (105) transducer switching or gating
367/106367 communications, electrical: acoustic wave systems and devices/(87) echo systems (99) distance or direction finding (106) with towing
367/107367 communications, electrical: acoustic wave systems and devices/(87) echo systems (99) distance or direction finding (107) with indicator
367/108367 communications, electrical: acoustic wave systems and devices/(87) echo systems (99) distance or direction finding (107) with indicator (108) digital readout
367/109367 communications, electrical: acoustic wave systems and devices/(87) echo systems (99) distance or direction finding (107) with indicator (109) rotating lamp
367/110367 communications, electrical: acoustic wave systems and devices/(87) echo systems (99) distance or direction finding (107) with indicator (110) color display
367/111367 communications, electrical: acoustic wave systems and devices/(87) echo systems (99) distance or direction finding (107) with indicator (111) luminous array
367/112367 communications, electrical: acoustic wave systems and devices/(87) echo systems (99) distance or direction finding (107) with indicator (112) alarm
367/113367 communications, electrical: acoustic wave systems and devices/(87) echo systems (99) distance or direction finding (107) with indicator (113) cathode-ray tube
367/114367 communications, electrical: acoustic wave systems and devices/(87) echo systems (99) distance or direction finding (107) with indicator (114) meter
367/115367 communications, electrical: acoustic wave systems and devices/(87) echo systems (99) distance or direction finding (107) with indicator (115) permanent record
367/116367 communications, electrical: acoustic wave systems and devices/(87) echo systems (99) distance or direction finding (107) with indicator (116) audible or tactile
367/117367 communications, electrical: acoustic wave systems and devices/(117) plural transmitters to receiver or transmitter to plural receivers
367/197367 communications, electrical: acoustic wave systems and devices/(197) selective (e.g., remote control)
367/198367 communications, electrical: acoustic wave systems and devices/(197) selective (e.g., remote control) (198) humanly generated sound or speech responsive (e.g., human whistle)
367/199367 communications, electrical: acoustic wave systems and devices/(197) selective (e.g., remote control) (199) frequency responsive actuation
367/118367 communications, electrical: acoustic wave systems and devices/(118) distance or direction finding
367/119367 communications, electrical: acoustic wave systems and devices/(118) distance or direction finding (119) with beam steering, scanning, or focussing
367/120367 communications, electrical: acoustic wave systems and devices/(118) distance or direction finding (119) with beam steering, scanning, or focussing (120) by transducer movement
367/121367 communications, electrical: acoustic wave systems and devices/(118) distance or direction finding (119) with beam steering, scanning, or focussing (121) by electrical means
367/122367 communications, electrical: acoustic wave systems and devices/(118) distance or direction finding (119) with beam steering, scanning, or focussing (121) by electrical means (122) transducer switching or gating
367/123367 communications, electrical: acoustic wave systems and devices/(118) distance or direction finding (119) with beam steering, scanning, or focussing (121) by electrical means (123) with phase shifter or delay means
367/124367 communications, electrical: acoustic wave systems and devices/(118) distance or direction finding (124) by combining or comparing signals
367/125367 communications, electrical: acoustic wave systems and devices/(118) distance or direction finding (124) by combining or comparing signals (125) phase comparison and/or correlation
367/126367 communications, electrical: acoustic wave systems and devices/(118) distance or direction finding (124) by combining or comparing signals (126) addition or subtraction
367/127367 communications, electrical: acoustic wave systems and devices/(118) distance or direction finding (127) with time interval measuring means
367/128367 communications, electrical: acoustic wave systems and devices/(118) distance or direction finding (128) with electromagnetic wave
367/129367 communications, electrical: acoustic wave systems and devices/(118) distance or direction finding (129) with plurality of transducers
367/130367 communications, electrical: acoustic wave systems and devices/(118) distance or direction finding (130) with towing
367/131367 communications, electrical: acoustic wave systems and devices/(131) underwater system
367/132367 communications, electrical: acoustic wave systems and devices/(131) underwater system (132) analog speech communication
367/133367 communications, electrical: acoustic wave systems and devices/(131) underwater system (133) remote control
367/134367 communications, electrical: acoustic wave systems and devices/(131) underwater system (134) telemetering
367/135367 communications, electrical: acoustic wave systems and devices/(135) receiver circuitry
367/136367 communications, electrical: acoustic wave systems and devices/(135) receiver circuitry (136) responsive to intruder energy
367/137367 communications, electrical: acoustic wave systems and devices/(137) transmitter systems
367/138367 communications, electrical: acoustic wave systems and devices/(137) transmitter systems (138) with beam forming, shaping, steering, or scanning
367/139367 communications, electrical: acoustic wave systems and devices/(137) transmitter systems (139) animal control
367/140367 communications, electrical: acoustic wave systems and devices/(140) signal transducers
367/141367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (141) underwater type
367/142367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (141) underwater type (142) exclusive-type transmitter
367/143367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (141) underwater type (142) exclusive-type transmitter (143) hydraulically driven vibrator
367/144367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (141) underwater type (142) exclusive-type transmitter (144) air guns
367/145367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (141) underwater type (142) exclusive-type transmitter (145) explosives
367/146367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (141) underwater type (142) exclusive-type transmitter (146) implosion devices
367/147367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (141) underwater type (142) exclusive-type transmitter (147) spark discharge devices
367/148367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (141) underwater type (142) exclusive-type transmitter (148) electrically driven underwater bells or sirens
367/149367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (141) underwater type (149) exclusive-type receiver
367/150367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (141) underwater type (150) with modifying lens
367/151367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (141) underwater type (151) with reflector
367/152367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (141) underwater type (152) with impedance matching means
367/153367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (141) underwater type (153) plural transducer array
367/154367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (141) underwater type (153) plural transducer array (154) line array
367/155367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (141) underwater type (153) plural transducer array (155) piezoelectric
367/156367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (141) underwater type (153) plural transducer array (156) magnetostrictive
367/157367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (141) underwater type (157) piezoelectric
367/158367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (141) underwater type (157) piezoelectric (158) head and tail mass
367/159367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (141) underwater type (157) piezoelectric (159) elongated cylindrical element
367/160367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (141) underwater type (157) piezoelectric (160) bending type
367/161367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (141) underwater type (157) piezoelectric (160) bending type (161) multimorph
367/162367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (141) underwater type (157) piezoelectric (162) with resonant or damping structure
367/163367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (141) underwater type (157) piezoelectric (163) with diaphragm
367/164367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (141) underwater type (157) piezoelectric (164) single element having a plurality of electrodes
367/165367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (141) underwater type (157) piezoelectric (165) specific support structure
367/166367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (141) underwater type (157) piezoelectric (166) liquid filled
367/167367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (141) underwater type (157) piezoelectric (167) pressure compensating means
367/168367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (141) underwater type (168) magnetostrictive
367/169367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (141) underwater type (169) elongated continuous type
367/170367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (141) underwater type (170) electret
367/171367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (141) underwater type (171) liquid filled transducer
367/172367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (141) underwater type (172) transducer with pressure compensating means
367/173367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (141) underwater type (173) transducer with support
367/174367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (141) underwater type (174) transducer with diaphragm
367/175367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (141) underwater type (174) transducer with diaphragm (175) diaphragm with electric driving coil
367/176367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (141) underwater type (176) transducer with resonant or damping structure
367/177367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (177) towed land cables
367/178367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (178) receivers
367/179367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (178) receivers (179) pendulum type
367/180367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (178) receivers (180) piezoelectric
367/181367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (178) receivers (181) capacitive
367/182367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (178) receivers (182) moving coil
367/183367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (178) receivers (182) moving coil (183) spider spring
367/184367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (178) receivers (182) moving coil (184) having arcuate movement
367/185367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (178) receivers (185) moving magnet
367/186367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (178) receivers (185) moving magnet (186) having arcuate movement
367/187367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (178) receivers (185) moving magnet (187) spider spring
367/188367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (178) receivers (188) casing or housing
367/189367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (189) vibrator-type transmitter
367/190367 communications, electrical: acoustic wave systems and devices/(140) signal transducers (189) vibrator-type transmitter (190) with feedback control
367/191367 communications, electrical: acoustic wave systems and devices/(191) miscellaneous
367/900367 communications, electrical: acoustic wave systems and devices/(900) sonar time varied gain control systems
367/901367 communications, electrical: acoustic wave systems and devices/(901) noise or unwanted signal reduction in nonseismic receiving system
367/902367 communications, electrical: acoustic wave systems and devices/(902) speed of sound compensation
367/903367 communications, electrical: acoustic wave systems and devices/(903) transmit-receive circuitry
367/904367 communications, electrical: acoustic wave systems and devices/(904) doppler compensation systems
367/905367 communications, electrical: acoustic wave systems and devices/(905) side lobe reduction or shading
367/906367 communications, electrical: acoustic wave systems and devices/(906) airborne shock-wave detection
367/907367 communications, electrical: acoustic wave systems and devices/(907) coordinate determination
367/908367 communications, electrical: acoustic wave systems and devices/(908) material level detection, e.g., liquid level
367/909367 communications, electrical: acoustic wave systems and devices/(909) collision avoidance
367/910367 communications, electrical: acoustic wave systems and devices/(910) portable sonar devices
367/911367 communications, electrical: acoustic wave systems and devices/(911) particular well-logging apparatus
367/912367 communications, electrical: acoustic wave systems and devices/(911) particular well-logging apparatus (912) particular transducer

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