| 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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| 09/18/1997 | WO1997034376A1 Coaxial cable assembly for a portable phone |
| 09/18/1997 | WO1997034363A1 Switching controller |
| 09/18/1997 | WO1997034342A1 Antenna connector device for a handheld mobile phone |
| 09/18/1997 | WO1997034222A1 Method and apparatus for radiofrequency identification tags |
| 09/18/1997 | WO1997022185A3 Re-orthogonalization of wideband cdma signals |
| 09/18/1997 | DE19710226A1 Drahtlose Kommunikationsvorrichtung mit antennenaktiviertem Schalter Wireless communication device with antennenaktiviertem switch |
| 09/18/1997 | DE19610380A1 Hospital examination call system with central processor |
| 09/18/1997 | DE19609634A1 Schaltregler Switching Regulators |
| 09/18/1997 | DE19532731A1 Transceiver antenna especially for car telephone and radio |
| 09/17/1997 | EP0796026A2 Multimedia terminal cover hinge |
| 09/17/1997 | EP0795978A2 Frequency control for frequency division channels |
| 09/17/1997 | EP0795971A2 Spread spectrum communication system for mobile system with synchronisation code |
| 09/17/1997 | EP0795969A2 CDMA cellular radio transmission system |
| 09/17/1997 | EP0795968A2 Battery pack for electronic device |
| 09/17/1997 | EP0795967A1 Power saving method for radio receiver |
| 09/17/1997 | EP0795966A2 Power saving for radio receiver |
| 09/17/1997 | EP0795964A2 Digital audio signal processor having small input buffer |
| 09/17/1997 | EP0795954A1 Apparatus comprising a ring mixer |
| 09/17/1997 | EP0795921A2 Radio telephone |
| 09/17/1997 | EP0795232A1 Universal radio architecture for low-tier personal communication system |
| 09/17/1997 | EP0795212A1 Burst-error resistant atm microwave link and network |
| 09/17/1997 | EP0795165A1 Non-contacting type radio frequency recognizing credit card system |
| 09/17/1997 | EP0702884A4 System and method for mobile communications in coexistence with established communications systems |
| 09/17/1997 | CN1159872A Multiple access coding using bent sequences for mobile radio communication |
| 09/17/1997 | CN1159870A Interference cancellation method, and receiver |
| 09/17/1997 | CN1159869A Method and arrangement in a transmission system |
| 09/17/1997 | CN1159719A Portable receiver with manual controller |
| 09/17/1997 | CN1159692A Transmission device with echo eliminating function |
| 09/17/1997 | CN1159687A Method and system for increasing power factor of balance amplifier/antenna assembly |
| 09/17/1997 | CN1159686A Electronic equipment and remote control method and device |
| 09/17/1997 | CN1159639A Rate changeable vocoder |
| 09/17/1997 | CN1035915C 寻呼接收机 Paging receiver |
| 09/16/1997 | US5669068 Complimentary switched amplifier transceiver system |
| 09/16/1997 | US5669067 Remotely controllable variable intermediate frequency transceiver |
| 09/16/1997 | US5669066 Dynamic control of transmitting power at a transmitter and attenuation at a receiver |
| 09/16/1997 | US5669065 Completely redundant communication system utilizing radiating transmission line |
| 09/16/1997 | US5669063 Method of establishing line of sight propagation |
| 09/16/1997 | US5668923 Voice messaging system and method making efficient use of orthogonal modulation components |
| 09/16/1997 | US5668867 Foldable portable telephone with improved antenna gain |
| 09/16/1997 | US5668837 Dual-mode radio receiver for receiving narrowband and wideband signals |
| 09/16/1997 | US5668836 Split frequency band signal digitizer and method |
| 09/16/1997 | US5668829 Spread spectrum communication apparatus |
| 09/16/1997 | US5668828 Enhanced frequency agile radio |
| 09/16/1997 | US5668806 Spread spectrum communication apparatus |
| 09/16/1997 | US5668795 Modulation system for spread spectrum CDMA communiction |
| 09/16/1997 | US5668701 Up-down tuner having a grounding plate provided with generally L-shaped soldering portions |
| 09/16/1997 | US5668563 Integral type flat antenna provided with converter function |
| 09/16/1997 | US5668558 Apparatus capable of receiving circularly polarized signals |
| 09/16/1997 | US5668557 Surface-mount antenna and communication device using same |
| 09/16/1997 | US5668505 Ring oscillator having two rings whose outputs are combined |
| 09/16/1997 | US5668462 Method and apparatus for controlling a charging current of a battery in a portable chargeable electronic unit |
| 09/16/1997 | US5668431 Of a communications system |
| 09/16/1997 | CA2089370C Variable speaker muting based on received data |
| 09/16/1997 | CA2089360C Power control circuitry for a tdma radio frequency transmitter |
| 09/16/1997 | CA2089259C Transient suppression circuit for a time domain duplex transceiver |
| 09/16/1997 | CA2081441C Method and apparatus for the transmission of speech signals |
| 09/12/1997 | WO1997033401A1 Spread-spectrum signal demodulator |
| 09/12/1997 | WO1997033400A1 Signal transmitting method, transmitter, receiver, and spread-spectrum code synchronizing method for mobile communication system |
| 09/12/1997 | WO1997033382A1 An improved gps receiver utilizing a communication link |
| 09/12/1997 | WO1997033381A1 A method and device for monitoring a mobile telephone repeater |
| 09/12/1997 | WO1997033380A1 System, arrangement and method relating to protection in a communications system and a telecommunications system with a protection arrangement |
| 09/12/1997 | WO1997033379A2 Circuit arrangement with a filter quadripole |
| 09/12/1997 | WO1997033378A2 Improvements in or relating to radio receivers |
| 09/12/1997 | WO1997033377A1 Wireless base station with near-far gain compensation |
| 09/12/1997 | WO1997033367A1 Antenna arrangement |
| 09/12/1997 | WO1997033340A1 A device for reducing the output of an antenna |
| 09/12/1997 | WO1997033336A1 Apparatus and method for transmitting electrical power and broadband rf communications signals through a dielectric |
| 09/12/1997 | WO1997025782A3 TV/FM receiver for multimedia applications |
| 09/12/1997 | WO1997025781A3 TV/FM receiver for multimedia applications |
| 09/12/1997 | WO1997023959A3 A receiver and arrangement for detecting adjacent channel interference |
| 09/12/1997 | CA2198791A1 Method and a circuit arrangement for signal processing in a telecommunication system |
| 09/11/1997 | DE19708277A1 Mobile two-way radio communication apparatus |
| 09/11/1997 | DE19609054A1 Schaltungsanordnung mit einem Filtervierpol Circuitry with a Filtervierpol |
| 09/11/1997 | DE19608348A1 Person or animal detection system, e.g. for rescue operation |
| 09/11/1997 | DE19608189A1 Cover for transmitting and receiving equipment such as hand-held telephone |
| 09/10/1997 | EP0794678A1 Communications system using radio |
| 09/10/1997 | EP0794627A2 Spread spectrum communication apparatus |
| 09/10/1997 | EP0794623A2 Spread spectrum communication receiver |
| 09/10/1997 | EP0794622A1 Radio receivers with reduced radiation |
| 09/10/1997 | EP0794612A1 Method of operation for a radio receiver operated close to an interfering apparatus |
| 09/10/1997 | EP0794604A2 Overcurrent protector |
| 09/10/1997 | EP0793895A2 Pilot signal searching technique for a cellular communications system |
| 09/10/1997 | EP0793886A1 Remote-controlled circuitry |
| 09/10/1997 | EP0793877A1 A method and means for frequency hopping in a radio communication system |
| 09/10/1997 | EP0793875A1 Transmission system using time dependent filter banks |
| 09/10/1997 | EP0793874A1 An oscillator and transmitter arrangement |
| 09/10/1997 | CN2262310Y Alarm for loss of wireless mobile telephone set |
| 09/10/1997 | CN1159262A Method for interference cancellation in cellular CDMA network |
| 09/10/1997 | CN1159261A Reception method and base station receiver |
| 09/10/1997 | CN1159258A Compensation for multi-path interference using pilot symbols |
| 09/10/1997 | CN1159237A Supply voltage processing circuit and data carrier with supply votlage processing circuit |
| 09/10/1997 | CN1159136A Hinge mechanism for foldable electronic apparatus |
| 09/10/1997 | CN1159114A Wireless telecommunication system using frequency hopping and method of controlling same |
| 09/10/1997 | CN1159105A Wireless communication device having reconfigurable matching circuit |
| 09/10/1997 | CN1159104A Wireless communication device with electrical contacts |
| 09/10/1997 | CN1159083A Radio frequency power combiner |
| 09/10/1997 | CN1035854C Method and apparatus for equalizing corrupted signal in receiver |
| 09/09/1997 | US5666659 Method of and structure for increasing signal power over cellular link |
| 09/09/1997 | US5666658 Wireless signal transmission system, method and apparatus |
| 09/09/1997 | US5666646 Radio frequency (RF) converter system with distributed protection switching and method therefor |