| Patents for H04B 1 - Details of transmission systems, not covered by a single one of groups; Details of transmission systems not characterised by the medium used for transmission (188,568) |
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| 04/28/1992 | CA1299658C Demodulation method |
| 04/28/1992 | CA1299656C Protection against loss or corruption of data upon switchover of a replicated system |
| 04/25/1992 | WO1992008297A1 An apparatus and method for varying a signal in a transmitter of a transceiver |
| 04/22/1992 | EP0481825A2 Antenna switching apparatus for a dual-mode transceiver |
| 04/22/1992 | EP0481807A2 Transmitter with nonlinearity correction circuit |
| 04/22/1992 | EP0481543A1 Filtering arrangement |
| 04/22/1992 | EP0481374A2 Dynamic bit allocation subband excited transform coding method and apparatus |
| 04/22/1992 | CN1060567A Muting circuit |
| 04/22/1992 | CN1016393B Path protection |
| 04/21/1992 | US5107520 Adaptive predistortion circuit for a digital transmission system |
| 04/21/1992 | US5107487 Power control of a direct sequence CDMA radio |
| 04/21/1992 | US5107404 Circuit board assembly for a cellular telephone system or the like |
| 04/21/1992 | US5107134 Matrix circuit of fm stereo multiplex demodulation circuit |
| 04/21/1992 | US5106826 System for transmitting and/or receiving electromagnetic radiation employing resonant cavity including high Tc superconducting material |
| 04/21/1992 | CA1299249C Receiver comprising parallel signal paths |
| 04/21/1992 | CA1299248C Frequency converter |
| 04/21/1992 | CA1299247C Radio device with controlled port and method of port control |
| 04/20/1992 | WO1992007442A1 Co-channel interference reduction system for digital high definition television |
| 04/16/1992 | WO1992004765A3 Frequency modulated synthesizer using low frequency offset mixed vco |
| 04/16/1992 | WO1992004335A3 Renal-selective biphenylalkyl 1h-substituted-1,2,4-triazole angiotensin ii antagonists for treatment of hypertension |
| 04/16/1992 | CA2028016A1 Autoequalizing bidirectional-to-unidirectional hybrid network |
| 04/15/1992 | EP0480529A1 Method for identifying individual head of cattle |
| 04/15/1992 | EP0480083A1 Communication signal compression system and method |
| 04/15/1992 | EP0480018A1 Fractional n/m synthesis |
| 04/15/1992 | EP0280718B1 Hidden preamble for frequency hopped synchronization |
| 04/15/1992 | CN2101977U Glasses holder capable of listening-in radio broadcast |
| 04/14/1992 | US5105463 System for subband coding of a digital audio signal and coder and decoder constituting the same |
| 04/14/1992 | US5105446 Digital method of correcting non-linearity in a transmission chain, and apparatus implementing the method |
| 04/14/1992 | US5105445 Predistortion arrangement for a digital transmission system |
| 04/14/1992 | US5105437 Programmable digital acquisition and tracking controller |
| 04/14/1992 | US5105436 Spread spectrum receiver |
| 04/14/1992 | US5105435 Method and apparatus for cancelling spread-spectrum noise |
| 04/14/1992 | US5105294 Digital communicating method and apparatus |
| 04/14/1992 | US5105201 Glass mounted antenna for car radio |
| 04/14/1992 | US5105162 Electrically tuned RF receiver, apparatus and method therefor |
| 04/13/1992 | WO1992007371A1 Capacitive power supply |
| 04/08/1992 | EP0479613A2 An automatic broadcast wave tuning device for RDS receiver |
| 04/08/1992 | EP0479599A2 Method and apparatus for controlling switches |
| 04/08/1992 | EP0479058A2 Transponder for a remote identification system |
| 04/08/1992 | CN1060185A Noise eliminating element and electrical circuit having same |
| 04/07/1992 | USRE33875 Spread-spectrum communication system |
| 04/07/1992 | US5103480 FMX identification signal detection apparatus |
| 04/07/1992 | US5103461 Signal quality measure in packet data communication |
| 04/07/1992 | US5103460 Spread spectrum intercept apparatus and method |
| 04/07/1992 | US5103459 System and method for generating signal waveforms in a cdma cellular telephone system |
| 04/07/1992 | US5103431 Apparatus for detecting sonar signals embedded in noise |
| 04/07/1992 | US5103222 Electronic identification system |
| 04/02/1992 | WO1992006566A1 A single instruction data transfer method and apparatus |
| 04/02/1992 | WO1992006541A1 A method for maximizing channel selection in a communication system |
| 04/02/1992 | WO1992006467A1 Automatic length-reducing audio delay line |
| 04/02/1992 | CA2072662A1 Single instruction data transfer method and apparatus |
| 04/01/1992 | EP0478438A1 Car navigation aid on-board receiver |
| 04/01/1992 | EP0477862A2 Spread spectrum communications system |
| 04/01/1992 | EP0477463A1 Multipath detector for an FM tuner |
| 04/01/1992 | EP0477460A2 Noise suppressing circuit in an FM tuner |
| 04/01/1992 | EP0477288A1 Paging system with energy efficient station location. |
| 04/01/1992 | EP0413805A4 Battery housing |
| 04/01/1992 | EP0371035A4 Method for error correction in digitally encoded speech |
| 04/01/1992 | CN2100713U Silencing switch of tv set |
| 04/01/1992 | CN1059998A Walkie-talkie using wired broadcasting line as transmission line |
| 04/01/1992 | CN1016126B Orthogonal-polarization duplex send-receive microwave head |
| 03/31/1992 | US5101510 Energy conserving stand-by function in radio traffic report receiver |
| 03/31/1992 | US5101508 Radio receiver |
| 03/31/1992 | US5101507 Radio-frequency power level control circuit of mobile radio telephone |
| 03/31/1992 | US5101505 Method and apparatus for selective sideband signal correction in a proximal cable-less communication system |
| 03/31/1992 | US5101504 Shoulder activated headset |
| 03/31/1992 | US5101501 Method and system for providing a soft handoff in communications in a cdma cellular telephone system |
| 03/31/1992 | US5101418 Digital time-multiplexed quadrature frequency upconverter |
| 03/31/1992 | US5101416 Multi-channel digital receiver for global positioning system |
| 03/31/1992 | US5101406 Wireless communications system |
| 03/31/1992 | US5101191 Electrical and communication system capable of providing uninterruptable power in a house |
| 03/31/1992 | US5101175 Power control method for a voltage controlled power amplifier and circuitry used in the method |
| 03/31/1992 | CA1298374C Mechanical latch mechanism for combination portable transceiver and charging unit |
| 03/31/1992 | CA1298352C Noise reduction apparatus |
| 03/29/1992 | WO1992006542A1 A carrier recovery method and apparatus having an adjustable response time determined by carrier signal parameters |
| 03/29/1992 | WO1992006540A1 Interference reduction using an adaptive receiver filter, signal strength, and ber sensing |
| 03/29/1992 | CA2052370A1 In-vehicle receiver for falilitating motor vehicle navigation |
| 03/26/1992 | DE4036546C1 Data reduction for information signal transmission - stores signal patterns in transmitter and receiver, transmits address of pattern resembling information signal and reads pattern in receiver |
| 03/26/1992 | DE4030147A1 Traffic information broadcasting providing continuing availability - using small electronic memory chips in which decoded messages are updated continuously for recall on demand |
| 03/26/1992 | DE4029788A1 Transmit-receive antenna switch - has two residual currents selected by switch responsive to threshold detector of input signal for reducing attenuation introduced by diode |
| 03/25/1992 | WO1992005638A1 Variable speaker muting based on received data |
| 03/25/1992 | EP0476826A2 A method of selecting receiving frequency for RDS receiver |
| 03/25/1992 | EP0476754A1 Microprocessor-controlled apparatus including an antitheft protection means which can be disabled |
| 03/25/1992 | EP0476390A2 Mobile transceiver with anti-theft function |
| 03/25/1992 | EP0476129A1 Communication system |
| 03/25/1992 | EP0476126A1 Full-duplex, sub-band spread spectrum communications system |
| 03/25/1992 | CN2100061U Frequency modulation carrier receiver |
| 03/25/1992 | CN1059805A Micro antenna |
| 03/24/1992 | US5099495 Spread spectrum communication device |
| 03/24/1992 | US5099494 Six channel digital demodulator |
| 03/24/1992 | US5099493 Multiple signal receiver for direct sequence, code division multiple access, spread spectrum signals |
| 03/24/1992 | US5099254 Modular transmitter and antenna array system |
| 03/24/1992 | US5099227 Storing and transmitting coded information |
| 03/24/1992 | CA1297951C Circuit arrangement for linearly amplifying and demodulating an am-modulated audio signal, and integrated semiconductor element for said circuit arrangement |
| 03/19/1992 | WO1992004781A1 Stationary interference cancellor |
| 03/19/1992 | WO1992004779A1 Remote control transmitter and receiver system |
| 03/19/1992 | WO1992004335A2 Renal-selective biphenylalkyl 1h-substituted-1,2,4-triazole angiotensin ii antagonists for treatment of hypertension |
| 03/19/1992 | DE4029517A1 Portable radio appts. with two cooperating housings - respectively contg. radio circuit and electrical current supply for protection against water splashes |
| 03/18/1992 | EP0475624A1 Automated storage library |
| 03/18/1992 | EP0475509A1 Radio apparatus with an oscillator and a phase locked loop |