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| Class 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation) - continued |
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| uspc | description |
| 342/357.47 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (352) including a satellite (357.2) with position, velocity, or attitude determination (ipc) (357.39) satellite radio beacon positioning system transmitting time-stamped messages; e.g. gps [global positioning system], glonass [global orbiting navigation satellite system] or galileo (ipc) (357.4) cooperating elements; interaction or communication between different cooperating elements or between cooperating elements and receivers (ipc) (357.47) providing dedicated supplementary positioning signals (ipc) |
| 342/357.48 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (352) including a satellite (357.2) with position, velocity, or attitude determination (ipc) (357.39) satellite radio beacon positioning system transmitting time-stamped messages; e.g. gps [global positioning system], glonass [global orbiting navigation satellite system] or galileo (ipc) (357.4) cooperating elements; interaction or communication between different cooperating elements or between cooperating elements and receivers (ipc) (357.47) providing dedicated supplementary positioning signals (ipc) (357.48) wherein the cooperating elements are pseudolites or satellite radio beacon positioning system signal repeaters (ipc) |
| 342/357.49 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (352) including a satellite (357.2) with position, velocity, or attitude determination (ipc) (357.39) satellite radio beacon positioning system transmitting time-stamped messages; e.g. gps [global positioning system], glonass [global orbiting navigation satellite system] or galileo (ipc) (357.4) cooperating elements; interaction or communication between different cooperating elements or between cooperating elements and receivers (ipc) (357.47) providing dedicated supplementary positioning signals (ipc) (357.49) wherein the cooperating elements are telecommunication base stations (ipc) |
| 342/357.51 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (352) including a satellite (357.2) with position, velocity, or attitude determination (ipc) (357.39) satellite radio beacon positioning system transmitting time-stamped messages; e.g. gps [global positioning system], glonass [global orbiting navigation satellite system] or galileo (ipc) (357.51) receivers (ipc) |
| 342/357.52 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (352) including a satellite (357.2) with position, velocity, or attitude determination (ipc) (357.39) satellite radio beacon positioning system transmitting time-stamped messages; e.g. gps [global positioning system], glonass [global orbiting navigation satellite system] or galileo (ipc) (357.51) receivers (ipc) (357.52) specially adapted for specific applications (ipc) |
| 342/357.53 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (352) including a satellite (357.2) with position, velocity, or attitude determination (ipc) (357.39) satellite radio beacon positioning system transmitting time-stamped messages; e.g. gps [global positioning system], glonass [global orbiting navigation satellite system] or galileo (ipc) (357.51) receivers (ipc) (357.52) specially adapted for specific applications (ipc) (357.53) aircraft landing systems (ipc) |
| 342/357.54 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (352) including a satellite (357.2) with position, velocity, or attitude determination (ipc) (357.39) satellite radio beacon positioning system transmitting time-stamped messages; e.g. gps [global positioning system], glonass [global orbiting navigation satellite system] or galileo (ipc) (357.51) receivers (ipc) (357.52) specially adapted for specific applications (ipc) (357.54) anti-theft; abduction (ipc) |
| 342/357.55 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (352) including a satellite (357.2) with position, velocity, or attitude determination (ipc) (357.39) satellite radio beacon positioning system transmitting time-stamped messages; e.g. gps [global positioning system], glonass [global orbiting navigation satellite system] or galileo (ipc) (357.51) receivers (ipc) (357.52) specially adapted for specific applications (ipc) (357.55) emergency applications (ipc) |
| 342/357.56 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (352) including a satellite (357.2) with position, velocity, or attitude determination (ipc) (357.39) satellite radio beacon positioning system transmitting time-stamped messages; e.g. gps [global positioning system], glonass [global orbiting navigation satellite system] or galileo (ipc) (357.51) receivers (ipc) (357.52) specially adapted for specific applications (ipc) (357.56) military applications (ipc) |
| 342/357.57 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (352) including a satellite (357.2) with position, velocity, or attitude determination (ipc) (357.39) satellite radio beacon positioning system transmitting time-stamped messages; e.g. gps [global positioning system], glonass [global orbiting navigation satellite system] or galileo (ipc) (357.51) receivers (ipc) (357.52) specially adapted for specific applications (ipc) (357.57) sporting applications (ipc) |
| 342/357.58 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (352) including a satellite (357.2) with position, velocity, or attitude determination (ipc) (357.39) satellite radio beacon positioning system transmitting time-stamped messages; e.g. gps [global positioning system], glonass [global orbiting navigation satellite system] or galileo (ipc) (357.51) receivers (ipc) (357.58) integrity monitoring, fault detection or fault isolation of space segment) |
| 342/357.59 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (352) including a satellite (357.2) with position, velocity, or attitude determination (ipc) (357.39) satellite radio beacon positioning system transmitting time-stamped messages; e.g. gps [global positioning system], glonass [global orbiting navigation satellite system] or galileo (ipc) (357.51) receivers (ipc) (357.59) interference-related issues (ipc) |
| 342/357.61 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (352) including a satellite (357.2) with position, velocity, or attitude determination (ipc) (357.39) satellite radio beacon positioning system transmitting time-stamped messages; e.g. gps [global positioning system], glonass [global orbiting navigation satellite system] or galileo (ipc) (357.51) receivers (ipc) (357.61) multipath-related issues (ipc) |
| 342/357.62 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (352) including a satellite (357.2) with position, velocity, or attitude determination (ipc) (357.39) satellite radio beacon positioning system transmitting time-stamped messages; e.g. gps [global positioning system], glonass [global orbiting navigation satellite system] or galileo (ipc) (357.51) receivers (ipc) (357.62) testing, monitoring, correcting or calibrating of a receiver element (ipc) |
| 342/357.63 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (352) including a satellite (357.2) with position, velocity, or attitude determination (ipc) (357.39) satellite radio beacon positioning system transmitting time-stamped messages; e.g. gps [global positioning system], glonass [global orbiting navigation satellite system] or galileo (ipc) (357.51) receivers (ipc) (357.63) acquisition or tracking of signals transmitted by the system (ipc) |
| 342/357.64 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (352) including a satellite (357.2) with position, velocity, or attitude determination (ipc) (357.39) satellite radio beacon positioning system transmitting time-stamped messages; e.g. gps [global positioning system], glonass [global orbiting navigation satellite system] or galileo (ipc) (357.51) receivers (ipc) (357.63) acquisition or tracking of signals transmitted by the system (ipc) (357.64) involving aiding data received from a cooperating element; e.g., assisted gps (ipc) |
| 342/357.65 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (352) including a satellite (357.2) with position, velocity, or attitude determination (ipc) (357.39) satellite radio beacon positioning system transmitting time-stamped messages; e.g. gps [global positioning system], glonass [global orbiting navigation satellite system] or galileo (ipc) (357.51) receivers (ipc) (357.63) acquisition or tracking of signals transmitted by the system (ipc) (357.65) involving a sensor measurement for aiding acquisition or tracking (ipc) |
| 342/357.66 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (352) including a satellite (357.2) with position, velocity, or attitude determination (ipc) (357.39) satellite radio beacon positioning system transmitting time-stamped messages; e.g. gps [global positioning system], glonass [global orbiting navigation satellite system] or galileo (ipc) (357.51) receivers (ipc) (357.63) acquisition or tracking of signals transmitted by the system (ipc) (357.66) creating, predicting or correcting ephemeris or almanac data within the receiver (ipc) |
| 342/357.67 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (352) including a satellite (357.2) with position, velocity, or attitude determination (ipc) (357.39) satellite radio beacon positioning system transmitting time-stamped messages; e.g. gps [global positioning system], glonass [global orbiting navigation satellite system] or galileo (ipc) (357.51) receivers (ipc) (357.63) acquisition or tracking of signals transmitted by the system (ipc) (357.67) satellite selection (ipc) |
| 342/357.68 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (352) including a satellite (357.2) with position, velocity, or attitude determination (ipc) (357.39) satellite radio beacon positioning system transmitting time-stamped messages; e.g. gps [global positioning system], glonass [global orbiting navigation satellite system] or galileo (ipc) (357.51) receivers (ipc) (357.63) acquisition or tracking of signals transmitted by the system (ipc) (357.68) carrier related (ipc) |
| 342/357.69 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (352) including a satellite (357.2) with position, velocity, or attitude determination (ipc) (357.39) satellite radio beacon positioning system transmitting time-stamped messages; e.g. gps [global positioning system], glonass [global orbiting navigation satellite system] or galileo (ipc) (357.51) receivers (ipc) (357.63) acquisition or tracking of signals transmitted by the system (ipc) (357.69) code related (ipc) |
| 342/357.71 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (352) including a satellite (357.2) with position, velocity, or attitude determination (ipc) (357.39) satellite radio beacon positioning system transmitting time-stamped messages; e.g. gps [global positioning system], glonass [global orbiting navigation satellite system] or galileo (ipc) (357.51) receivers (ipc) (357.71) acquisition or tracking of other signals for positioning (ipc) |
| 342/357.72 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (352) including a satellite (357.2) with position, velocity, or attitude determination (ipc) (357.39) satellite radio beacon positioning system transmitting time-stamped messages; e.g. gps [global positioning system], glonass [global orbiting navigation satellite system] or galileo (ipc) (357.51) receivers (ipc) (357.72) multimode operation in a single same satellite system; e.g., gps l1/l2 (ipc) |
| 342/357.73 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (352) including a satellite (357.2) with position, velocity, or attitude determination (ipc) (357.39) satellite radio beacon positioning system transmitting time-stamped messages; e.g. gps [global positioning system], glonass [global orbiting navigation satellite system] or galileo (ipc) (357.51) receivers (ipc) (357.73) multimode operation in different systems which transmit time-stamped messages; e.g., gps/glonass (ipc) |
| 342/357.74 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (352) including a satellite (357.2) with position, velocity, or attitude determination (ipc) (357.39) satellite radio beacon positioning system transmitting time-stamped messages; e.g. gps [global positioning system], glonass [global orbiting navigation satellite system] or galileo (ipc) (357.51) receivers (ipc) (357.74) power consumption |
| 342/357.75 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (352) including a satellite (357.2) with position, velocity, or attitude determination (ipc) (357.39) satellite radio beacon positioning system transmitting time-stamped messages; e.g. gps [global positioning system], glonass [global orbiting navigation satellite system] or galileo (ipc) (357.51) receivers (ipc) (357.75) constructional details or hardware or software details of the signal processing chain (ipc) |
| 342/357.76 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (352) including a satellite (357.2) with position, velocity, or attitude determination (ipc) (357.39) satellite radio beacon positioning system transmitting time-stamped messages; e.g. gps [global positioning system], glonass [global orbiting navigation satellite system] or galileo (ipc) (357.51) receivers (ipc) (357.75) constructional details or hardware or software details of the signal processing chain (ipc) (357.76) relating to the receiver frond end (ipc) |
| 342/357.77 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (352) including a satellite (357.2) with position, velocity, or attitude determination (ipc) (357.39) satellite radio beacon positioning system transmitting time-stamped messages; e.g. gps [global positioning system], glonass [global orbiting navigation satellite system] or galileo (ipc) (357.51) receivers (ipc) (357.75) constructional details or hardware or software details of the signal processing chain (ipc) (357.77) hardware or software details of the signal processing chain (ipc) |
| 342/357.78 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (352) including a satellite (357.2) with position, velocity, or attitude determination (ipc) (357.78) using doppler frequency shift |
| 342/358 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (352) including a satellite (358) with satellite signal correction |
| 342/359 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (359) including antenna orientation |
| 342/360 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (360) including antenna pattern plotting |
| 342/361 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (361) including polarized signal communication transmitter or receiver |
| 342/362 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (361) including polarized signal communication transmitter or receiver (362) receiver only |
| 342/363 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (361) including polarized signal communication transmitter or receiver (362) receiver only (363) circular |
| 342/364 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (361) including polarized signal communication transmitter or receiver (362) receiver only (364) eliptical |
| 342/365 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (361) including polarized signal communication transmitter or receiver (365) circular |
| 342/366 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (361) including polarized signal communication transmitter or receiver (366) eliptical |
| 342/367 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (367) including directive communication system |
| 342/368 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (368) including a steerable array |
| 342/369 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (368) including a steerable array (369) injection radiation type |
| 342/370 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (368) including a steerable array (370) retrodirective |
| 342/371 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (368) including a steerable array (371) with electronic scanning |
| 342/372 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (368) including a steerable array (371) with electronic scanning (372) controlled |
| 342/373 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (368) including a steerable array (373) with a matrix |
| 342/374 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (368) including a steerable array (374) with a switch |
| 342/375 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (368) including a steerable array (375) with a delay line (e.g., serpentine transmission line, frequency scanning) |
| 342/376 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (368) including a steerable array (376) including a remote energy source |
| 342/377 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (368) including a steerable array (377) including a computer |
| 342/378 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (378) utilizing correlation techniques |
| 342/379 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (378) utilizing correlation techniques (379) side lobe elimination |
| 342/380 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (378) utilizing correlation techniques (379) side lobe elimination (380) sum of each antenna channel signal |
| 342/381 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (378) utilizing correlation techniques (379) side lobe elimination (381) difference of each antenna channel signal |
| 342/382 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (378) utilizing correlation techniques (379) side lobe elimination (382) mixing each antenna channel signal |
| 342/383 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (378) utilizing correlation techniques (383) sum of each antenna signal |
| 342/384 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (378) utilizing correlation techniques (384) difference of each antenna channel signal |
| 342/385 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver |
| 342/386 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (386) with transmisson of bearing or position determinative signals |
| 342/387 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (386) with transmisson of bearing or position determinative signals (387) iso-chronic type |
| 342/388 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (386) with transmisson of bearing or position determinative signals (387) iso-chronic type (388) loran |
| 342/389 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (386) with transmisson of bearing or position determinative signals (387) iso-chronic type (388) loran (389) loran-c |
| 342/390 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (386) with transmisson of bearing or position determinative signals (387) iso-chronic type (388) loran (389) loran-c (390) with cycle selection |
| 342/391 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (386) with transmisson of bearing or position determinative signals (387) iso-chronic type (388) loran (391) loran-a |
| 342/392 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (386) with transmisson of bearing or position determinative signals (387) iso-chronic type (392) with automatic gain control |
| 342/393 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (386) with transmisson of bearing or position determinative signals (393) iso-frequency type |
| 342/394 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (386) with transmisson of bearing or position determinative signals (394) iso-phase type |
| 342/395 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (386) with transmisson of bearing or position determinative signals (394) iso-phase type (395) with hetrodyne synchronization |
| 342/396 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (386) with transmisson of bearing or position determinative signals (394) iso-phase type (396) omega |
| 342/397 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (386) with transmisson of bearing or position determinative signals (394) iso-phase type (397) decca |
| 342/398 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (386) with transmisson of bearing or position determinative signals (398) rotating beacon signal |
| 342/399 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (386) with transmisson of bearing or position determinative signals (399) tacan |
| 342/400 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (386) with transmisson of bearing or position determinative signals (399) tacan (400) receiver only |
| 342/401 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (386) with transmisson of bearing or position determinative signals (399) tacan (400) receiver only (401) vor |
| 342/402 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (386) with transmisson of bearing or position determinative signals (399) tacan (400) receiver only (401) vor (402) doppler |
| 342/403 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (386) with transmisson of bearing or position determinative signals (399) tacan (400) receiver only (401) vor (402) doppler (403) with circular array of antennas |
| 342/404 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (386) with transmisson of bearing or position determinative signals (399) tacan (404) vor |
| 342/405 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (386) with transmisson of bearing or position determinative signals (399) tacan (404) vor (405) doppler |
| 342/406 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (386) with transmisson of bearing or position determinative signals (399) tacan (404) vor (405) doppler (406) with circular array of antennas |
| 342/407 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (386) with transmisson of bearing or position determinative signals (407) fixed course or bearing indicating |
| 342/408 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (386) with transmisson of bearing or position determinative signals (407) fixed course or bearing indicating (408) moving beam |
| 342/409 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (386) with transmisson of bearing or position determinative signals (407) fixed course or bearing indicating (409) with superimposed images |
| 342/410 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (386) with transmisson of bearing or position determinative signals (407) fixed course or bearing indicating (410) glide slope transmitter or receiver |
| 342/411 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (386) with transmisson of bearing or position determinative signals (407) fixed course or bearing indicating (410) glide slope transmitter or receiver (411) receiver only |
| 342/412 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (386) with transmisson of bearing or position determinative signals (407) fixed course or bearing indicating (410) glide slope transmitter or receiver (412) transmitter only |
| 342/413 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (386) with transmisson of bearing or position determinative signals (407) fixed course or bearing indicating (413) localizer transmitter or receiver |
| 342/414 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (386) with transmisson of bearing or position determinative signals (407) fixed course or bearing indicating (414) distinctive frequencies equi-signal type |
| 342/415 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (386) with transmisson of bearing or position determinative signals (407) fixed course or bearing indicating (414) distinctive frequencies equi-signal type (415) coded equi-signal (e.g., a and n type) |
| 342/416 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (386) with transmisson of bearing or position determinative signals (407) fixed course or bearing indicating (414) distinctive frequencies equi-signal type (416) sequentially effective reflectors |
| 342/417 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (417) direction-finding receiver only |
| 342/418 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (417) direction-finding receiver only (418) doppler |
| 342/419 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (417) direction-finding receiver only (419) portable |
| 342/420 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (417) direction-finding receiver only (420) with error or deviatioan compensator or eliminator |
| 342/421 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (417) direction-finding receiver only (420) with error or deviatioan compensator or eliminator (421) pulse-type noise elimination or compensation (e.g., sky waves) |
| 342/422 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (417) direction-finding receiver only (422) with self-orienting antenna pattern |
| 342/423 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (417) direction-finding receiver only (422) with self-orienting antenna pattern (423) plural antennas |
| 342/424 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (417) direction-finding receiver only (422) with self-orienting antenna pattern (423) plural antennas (424) tracking interferometer |
| 342/425 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (417) direction-finding receiver only (422) with self-orienting antenna pattern (425) conical scan antenna type |
| 342/426 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (417) direction-finding receiver only (422) with self-orienting antenna pattern (426) step track antenna type |
| 342/427 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (417) direction-finding receiver only (422) with self-orienting antenna pattern (427) monopulse or pseuodo monopulse tracking antenna type |
| 342/428 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (417) direction-finding receiver only (428) with continuously movable antenna pattern |
| 342/429 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (417) direction-finding receiver only (428) with continuously movable antenna pattern (429) including a stationary antenna |
| 342/430 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (417) direction-finding receiver only (428) with continuously movable antenna pattern (430) including plural moving antennas |
| 342/431 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (417) direction-finding receiver only (428) with continuously movable antenna pattern (431) including a goniometer |
| 342/432 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (417) direction-finding receiver only (432) with plural fixed antenna pattern comparing |
| 342/433 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (417) direction-finding receiver only (432) with plural fixed antenna pattern comparing (433) successively commutated |
| 342/434 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (417) direction-finding receiver only (432) with plural fixed antenna pattern comparing (433) successively commutated (434) including more than two antennas |
| 342/435 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (417) direction-finding receiver only (432) with plural fixed antenna pattern comparing (433) successively commutated (435) by diode switching |
| 342/436 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (417) direction-finding receiver only (432) with plural fixed antenna pattern comparing (433) successively commutated (436) by modulation |
| 342/437 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (417) direction-finding receiver only (432) with plural fixed antenna pattern comparing (437) including more than two antennas |
| 342/438 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (417) direction-finding receiver only (432) with plural fixed antenna pattern comparing (438) including separate indicators |
| 342/439 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (417) direction-finding receiver only (432) with plural fixed antenna pattern comparing (439) including combined effect indicator |
| 342/440 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (417) direction-finding receiver only (432) with plural fixed antenna pattern comparing (440) including a goniometer |
| 342/441 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (417) direction-finding receiver only (441) having a goniometer |
| 342/442 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (417) direction-finding receiver only (442) having a phase detector |
| 342/443 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (417) direction-finding receiver only (443) having a direction indicator |
| 342/444 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (417) direction-finding receiver only (444) having plural receivers |
| 342/445 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (417) direction-finding receiver only (445) having more than two antennas |
| 342/446 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (417) direction-finding receiver only (445) having more than two antennas (446) unequal distance between at least three antennas |
| 342/447 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (417) direction-finding receiver only (447) having a spiral antennas |
| 342/448 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (417) direction-finding receiver only (448) having a coil or loop type antenna |
| 342/449 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (385) beacon or receiver (417) direction-finding receiver only (449) having a moving antenna |
| 342/450 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (450) position indicating (e.g., triangulation) |
| 342/451 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (450) position indicating (e.g., triangulation) (451) by computer |
| 342/452 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (450) position indicating (e.g., triangulation) (452) by plotting table |
| 342/453 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (450) position indicating (e.g., triangulation) (453) by deflected or repeated signal |
| 342/454 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (450) position indicating (e.g., triangulation) (454) traffic |
| 342/455 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (450) position indicating (e.g., triangulation) (454) traffic (455) having collision avoidance |
| 342/456 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (450) position indicating (e.g., triangulation) (454) traffic (456) having traffic control |
| 342/457 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (450) position indicating (e.g., triangulation) (457) land vehicle location (e.g., bus, police car |
| 342/458 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (450) position indicating (e.g., triangulation) (458) distance |
| 342/459 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (450) position indicating (e.g., triangulation) (459) underground object location |
| 342/460 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (450) position indicating (e.g., triangulation) (460) storm or atomic explosion location |
| 342/461 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (450) position indicating (e.g., triangulation) (461) with speed determination |
| 342/462 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (450) position indicating (e.g., triangulation) (462) with altitude determination |
| 342/463 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (450) position indicating (e.g., triangulation) (463) having plural transmitters or receivers |
| 342/464 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (450) position indicating (e.g., triangulation) (463) having plural transmitters or receivers (464) plural transmitters only |
| 342/465 | 342 communications: directive radio wave systems and devices (e.g., radar, radio navigation)/(350) directive (450) position indicating (e.g., triangulation) (463) having plural transmitters or receivers (465) plural receivers only |