| 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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| 08/05/1992 | EP0458821A4 Transponder system |
| 08/05/1992 | EP0446297A4 Two-way radio with voice storage |
| 08/05/1992 | CN2112232U Directly pluging-in low power loss audio frequency translator |
| 08/04/1992 | US5136719 Automatic antenna tubing method and apparatus |
| 08/04/1992 | US5136652 Amplitude enhanced sampled clipped speech encoder and decoder |
| 08/04/1992 | US5136649 Fm stereophonic receiver |
| 08/04/1992 | US5136618 Method and apparatus for bandwidth reduction of modulated signals |
| 08/04/1992 | US5136614 Spread spectrum communication system |
| 08/04/1992 | US5136611 Orthogonal sequence generator and radar system incorporating the generator |
| 08/04/1992 | US5136575 Cancelling circuit and transmission system |
| 08/04/1992 | US5136303 Wrist watch type receiver |
| 08/04/1992 | CA1306013C Mobile telephone station with power saving circuit |
| 08/01/1992 | CA2060383A1 Process and apparatus for reducing spurious noise effects in target detection with a system comprising a plurality of simple sensors |
| 07/30/1992 | DE4101982A1 Two=way remote control system, e.g. for TV audio and video equipment - has separate control signal and operating parameter communications channels between remote controller and controlled equipment |
| 07/29/1992 | EP0496717A1 A method and a device for transmitting the data over a noisy medium |
| 07/29/1992 | EP0496621A2 System for controlling phase and gain errors in an I/Q direct conversion receiver |
| 07/29/1992 | EP0496507A2 Gain control in a TDMA radio-telephone system |
| 07/29/1992 | EP0496498A2 Time-division duplex radio transceiver |
| 07/29/1992 | EP0496477A2 Improvements relating to video receivers and recorders |
| 07/29/1992 | EP0496354A2 Spread spectrum signal receiving apparatus |
| 07/29/1992 | EP0496009A1 AM-Broadcast transmitter |
| 07/29/1992 | CN2111554U Distant radio control unit for power supply |
| 07/29/1992 | CN1017676B Telemetering receiver and method for domestic electrical appliance |
| 07/28/1992 | US5134724 Wrist band for wrist-mounted radio with an uninsulated buckle |
| 07/28/1992 | US5134723 Radio sensitivity enhancer |
| 07/28/1992 | US5134721 Noise eliminating device for angle-modulated wave |
| 07/28/1992 | US5134718 Fast phase shift adjusting method and device for linear transmitter |
| 07/28/1992 | US5134708 Radio telephone apparatus |
| 07/28/1992 | US5134707 Satellite receiver |
| 07/28/1992 | US5134630 Method and apparatus for transparent tone-in-band transmitter, receiver and system processing |
| 07/28/1992 | US5134477 Hdtv receiver |
| 07/28/1992 | US5134347 Low power consumption wireless data transmission and control system |
| 07/28/1992 | CA1305790C System for preventing crosstalk in a multi-input electronic device |
| 07/28/1992 | CA1305785C Commercial message timer |
| 07/24/1992 | CA2034763A1 Tactile portable wireless radio transceiver communication system |
| 07/23/1992 | WO1992012585A1 Enabling code for radiotransmission of data |
| 07/23/1992 | WO1992012579A1 Radio transceiver system |
| 07/23/1992 | CA2059597A1 Radio eyewear |
| 07/22/1992 | EP0495672A2 White noise suppression circuit |
| 07/22/1992 | EP0494990A1 Process for transmitting a signal. |
| 07/22/1992 | EP0494918A1 Process for transmitting a signal. |
| 07/22/1992 | EP0289625B1 Remote commander |
| 07/22/1992 | CN1062833A Portable remote diagnosing instrument of the circulatory function without wound |
| 07/22/1992 | CN1017582B Tuner |
| 07/22/1992 | CN1017563B Timepiece including antenna |
| 07/21/1992 | US5133082 Selective monitoring |
| 07/21/1992 | US5132986 Csk communication system |
| 07/21/1992 | US5132985 Spread spectrum receiver |
| 07/21/1992 | US5132968 Environmental sensor data acquisition system |
| 07/21/1992 | US5132679 Remote control system for a plurality of controlled devices |
| 07/21/1992 | US5132649 Signal input device |
| 07/21/1992 | US5132639 Predistorter for linearization of electronic and optical signals |
| 07/21/1992 | CA1305527C Speaker driver |
| 07/21/1992 | CA1305526C Wristwatch receiver architecture |
| 07/19/1992 | WO1992013327A1 Method and apparatus for enhancing hygiene |
| 07/19/1992 | CA2100783A1 Method and apparatus for enhancing hygiene |
| 07/17/1992 | WO1992013408A1 Intermodulation compensation in a receiver |
| 07/16/1992 | WO1992013398A1 Antenna pattern selection for optimized communications and avoidance of people |
| 07/15/1992 | EP0494780A2 An adapter unit for adaptively supplying a portable radio telephone with power |
| 07/15/1992 | EP0494529A1 Portable telephone |
| 07/15/1992 | CN2110320U Radio component block for rapairing |
| 07/15/1992 | CN1062816A Dynamically biased amplifier |
| 07/14/1992 | US5131006 Carrier detection for a wireless local area network |
| 07/14/1992 | US5130987 Method for synchronizing a wide area network without global synchronizing |
| 07/14/1992 | US5130714 Stretch and chirp waveform format for reduced generating and receiving hardware complexity |
| 07/14/1992 | US5130668 Amplifier arrangement with time constant control |
| 07/14/1992 | CA1305229C Radio bus system |
| 07/14/1992 | CA1305220C Nationwide radio paging system |
| 07/08/1992 | EP0494003A1 Receiver for processing signals which are received over diversity paths |
| 07/08/1992 | EP0493986A2 Digital transmitting and receiving apparatus for cordless headphones |
| 07/08/1992 | EP0493956A2 Baseband signal processing circuit for a radio communication apparatus |
| 07/08/1992 | EP0493653A1 Color tv satellite broadcast receiver internally installed |
| 07/08/1992 | EP0493607A1 Clock regenerating circuit |
| 07/08/1992 | CN2109668U Pen type radio |
| 07/08/1992 | CN2109666U General power saving remote full automatic controller |
| 07/07/1992 | USH1081 Monolithic millimeter-wave image guide balanced mixer |
| 07/07/1992 | US5129100 Agile output band pass filter for agile up converter |
| 07/07/1992 | US5129098 Radio telephone using received signal strength in controlling transmission power |
| 07/07/1992 | US5128960 Clock recovery for a wireless local area network station |
| 07/07/1992 | US5128959 Variable bandwidth CDMA radio system |
| 07/07/1992 | US5128958 Digital time error signal generator |
| 07/07/1992 | US5128957 Initial acquisition method in spread spectrum system and such system |
| 07/07/1992 | US5128938 Energy saving protocol for a communication system |
| 07/07/1992 | US5128668 Remote-controlled electronic equipment with a transmitting function |
| 07/07/1992 | US5127683 Panel detaching apparatus for car-mounted audio equipment |
| 07/07/1992 | CA1304841C Frame-interval fault detection in a demand assignment tdma communication system |
| 07/07/1992 | CA1304786C Digital radio frequency receiver |
| 07/02/1992 | DE4143065A1 VHF FM receiver with low component count - incorporates frequency-selective RF amplifier deriving power supply from emitter of crystal-filtered IF amplifier |
| 07/02/1992 | DE4142086A1 Radio cassette recorder operated by multifunction input keys - programmable by user operating input potentiometer to vary levels of signals keyed into microprocessor |
| 07/02/1992 | DE4041643A1 Cordless telephone allowing for alternate two=way traffic - reduces frequency spacing of duplex channels at main station as relay between two mobile stations |
| 07/01/1992 | WO1992012578A1 Frequency control system |
| 07/01/1992 | EP0492856A2 Predistortion technique for communications systems |
| 07/01/1992 | EP0492531A1 Arrangement and method for detecting interference in TDMA communications system |
| 07/01/1992 | EP0492438A2 Method and system for making bipolar switching to protection channel |
| 07/01/1992 | EP0492202A2 Integrated circuit in stereo decoders for generating a digital signal |
| 07/01/1992 | EP0465463A4 Power conservation method and apparatus for a portion of a predetermined signal |
| 07/01/1992 | CN1062310A Frequency-variable receiver |
| 07/01/1992 | CN1017296B Ensemble modem structure for imperfect transmission media |
| 06/30/1992 | US5127057 Integral sound system having interchangeable modules with separate microcontrollers |
| 06/30/1992 | US5127054 Speech quality improvement for voice coders and synthesizers |