| 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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| 01/09/1996 | US5483683 Changeover means for r.f. source |
| 01/09/1996 | US5483680 Method for detecting an impedance mismatch |
| 01/09/1996 | US5483679 Radio communication apparatus capable of isolating a receiver from a transmitter during a reception operation |
| 01/09/1996 | US5483672 Method for a communication unit that conserve source energy |
| 01/09/1996 | US5483557 Channel equalisation in particular for fading channels |
| 01/09/1996 | US5483554 Modulator especially for digital cellular telephone system |
| 01/09/1996 | US5483550 Mobile cellular radio systems |
| 01/09/1996 | US5483529 Data recovery device |
| 01/09/1996 | US5483519 Method and apparatus for line switching |
| 01/09/1996 | US5483506 Radio receiver with playback means |
| 01/09/1996 | US5483367 Transmitting and receiving apparatus for a radio headphone |
| 01/09/1996 | US5483209 Reception band switching circuit with variable attenuation control |
| 01/09/1996 | US5482036 Signal processing apparatus and method |
| 01/09/1996 | CA2069278C Signal level measuring system for radio receiver |
| 01/09/1996 | CA2050506C Broadband optical receiver |
| 01/04/1996 | WO1996000471A1 Cdma demodulation circuit and demodulating method |
| 01/04/1996 | WO1996000467A1 Method for frequency sharing and frequency punchout in frequency hopping communications network |
| 01/04/1996 | DE4447257A1 Digital audio signal coding method |
| 01/04/1996 | DE4422282A1 Direction finding and location of transmitters |
| 01/03/1996 | EP0690645A1 Radio communication apparatus having a plurality of identification codes |
| 01/03/1996 | EP0690642A1 System containing a radiotelephone and a modulator/demodulator and method for setting up a wireless data-connection |
| 01/03/1996 | EP0690588A2 RAKE receiver combining all the useful multipath components of a spread spectrum signal |
| 01/03/1996 | EP0690587A1 Temporal synchronization acquisition between a spreading sequence of a receiver and a transmitter |
| 01/03/1996 | EP0690586A1 Radio receiving apparatus with two receivers |
| 01/03/1996 | EP0690576A2 High frequency switch |
| 01/03/1996 | EP0689742A1 Radio receiver for information dissemination using subcarrier |
| 01/03/1996 | EP0689740A1 Radio transceiver circuit and method |
| 01/03/1996 | EP0689739A1 Radio frequency radiation shield for hand-held radio phone |
| 01/03/1996 | EP0689738A1 Power line coupler modem device for communication over electrical lines |
| 01/03/1996 | EP0646300B1 Method of detecting errors in digitized data-reduced audio and data signals |
| 01/03/1996 | EP0586492B1 System for automatic identification of objects or individuals by remote interrogation |
| 01/03/1996 | EP0499608B1 Radio receiver, in particular for vehicles |
| 01/03/1996 | CN1114521A Method and apparatus for power estimation in a communication system |
| 01/03/1996 | CN1114520A Apparatus for automatically controlling gain, communication apparatus, and method for automatically controlling gain |
| 01/03/1996 | CN1114491A Microcomputer-based carrier detection system for a cordless telephone |
| 01/03/1996 | CN1114490A Portable telephone |
| 01/02/1996 | US5481614 Method and apparatus for coding audio signals based on perceptual model |
| 01/02/1996 | US5481565 Method for identifying symbols |
| 01/02/1996 | US5481262 System monitoring programmable implanatable transponder |
| 01/02/1996 | US5481259 Method for reading a plurality of remote meters |
| 01/02/1996 | US5481256 Direct entry remote control with channel scan |
| 01/02/1996 | US5481252 Mode conversion method for multifunctional programmable remote controller |
| 12/28/1995 | WO1995035622A1 Low-feedback compact wireless telephone |
| 12/28/1995 | WO1995035593A1 Selective restart circuit for an electronic device |
| 12/28/1995 | CA2186264A1 Low-feedback compact wireless telephone |
| 12/27/1995 | EP0689370A2 Multiplexer with transmission back-up function |
| 12/27/1995 | EP0689351A2 Circuit for the standby operation of a remote control apparatus |
| 12/27/1995 | EP0689302A1 Control signal for receivers, device for synchronisation and equalisation, method for synchronisation and receivers therefor |
| 12/27/1995 | EP0689299A2 Portable radio unit and antenna gain switching method thereof |
| 12/27/1995 | EP0689298A1 Portable radio package |
| 12/27/1995 | EP0689297A1 Portable radio transceiver |
| 12/27/1995 | EP0689296A2 Communication system and electronic apparatus |
| 12/27/1995 | EP0689191A2 Mobile transceiver |
| 12/27/1995 | EP0689176A2 Voice storage communication system and method of receiving communication packet |
| 12/27/1995 | EP0689161A2 Identification system |
| 12/27/1995 | EP0688480A1 A method and system for audio information dissemination using various transmission modes |
| 12/27/1995 | EP0688478A1 Accessory for a mobile communication device |
| 12/27/1995 | EP0688446A1 Radio frequency telecommunications transceiver |
| 12/27/1995 | EP0674823A4 Path gain estimation in a receiver. |
| 12/27/1995 | EP0584248A4 Dual mode transmitter and receiver |
| 12/27/1995 | EP0569394B1 Tv or broadcast receiver with a nicam or dab decoder |
| 12/27/1995 | CN1114123A Tracking external power supply |
| 12/27/1995 | CN1114118A Sliding correlation detector |
| 12/27/1995 | CN1114117A Method and arrangement for controlling the operation of a high-frequency power amplifier |
| 12/27/1995 | CN1114090A Extracting circuit of time giving signal in radio broadcasting |
| 12/27/1995 | CN1030594C Source voltage control switching circuit |
| 12/26/1995 | US5479608 Group facility protection in a digital telecommunications system |
| 12/26/1995 | US5479562 Method and apparatus for encoding and decoding audio information |
| 12/26/1995 | US5479561 Bit allocation method in subband coding |
| 12/26/1995 | US5479504 Low voltage balanced hybrid circuit with operational amplifiers |
| 12/26/1995 | US5479503 Two-wire to four-wire switching exchanger |
| 12/26/1995 | US5479479 Method and apparatus for transmission of and receiving signals having digital information using an air link |
| 12/26/1995 | US5479474 Communication system having a remote unit, a fixed unit and a half-duplex communication channel |
| 12/26/1995 | US5479452 Method and apparatus for aligning a digital receiver |
| 12/26/1995 | US5479449 Digital VSB detector with bandpass phase tracker, as for inclusion in an HDTV receiver. |
| 12/26/1995 | US5479446 Channel estimation device |
| 12/26/1995 | US5479445 Mode dependent serial transmission of digital audio information |
| 12/26/1995 | US5479444 Training sequence in digital cellular radio telephone system |
| 12/26/1995 | US5479442 Spectrum spread receiver and spectrum spread transmitter-receiver including same |
| 12/26/1995 | US5479441 Packet data communication system |
| 12/26/1995 | US5479417 Error correction apparatus capable of improving error correction ability without expansion of a frequency band |
| 12/26/1995 | US5479396 Redundant system having signal path operation function |
| 12/26/1995 | US5479385 Apparatus interconnected for the communication of control messages |
| 12/26/1995 | US5479219 Broadcasting receiving apparatus with power consumption saving function |
| 12/26/1995 | US5479160 Low level RF threshold detector |
| 12/26/1995 | US5479155 Vehicle accessory trainable transmitter |
| 12/26/1995 | US5479136 AFC circuit having local oscillator phase locked loop |
| 12/24/1995 | WO1996000470A1 Method and device for receiving code-division multiplex signal |
| 12/24/1995 | CA2162569A1 Method and apparatus for receiving code division multiple access signal |
| 12/22/1995 | CA2152223A1 Receiver control signal, synchronization device, equalization device, synchronization process and corresponding receivers |
| 12/21/1995 | WO1995035016A1 Computer plug-in module and interconnection system for wireless applications |
| 12/21/1995 | WO1995034960A1 Redundant retransmission of digitized voice data in frequency hopping system |
| 12/21/1995 | WO1995034959A1 System and method for transmitting plural information waveforms over a single communications channel using lincompex techniques |
| 12/21/1995 | WO1995034958A1 A pc card cellular-based communication system |
| 12/21/1995 | WO1995034956A1 Method and device for encoding signal, method and device for decoding signal, recording medium, and signal transmitting device |
| 12/21/1995 | CA2169366A1 Method and device for encoding signal, method and device for decoding signal, recording medium, and signal transmitting device |
| 12/20/1995 | EP0688115A1 Transmission system using at least two transmission channels between a transmitter and a receiver and a receiver for use in such a system |
| 12/20/1995 | EP0688112A1 Method of selecting other networks carrying traffic information using a radio data system receiver |
| 12/20/1995 | EP0688109A2 Output power control for a pulsed transmitter and envelope shaping of power |
| 12/20/1995 | EP0688108A2 Apparatus for transmission power control in a TDMA system |