Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › 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
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)
09/1996
09/18/1996CN2235681Y Comping means with supporting member
09/18/1996CN1131496A Apparatus and method for increasing data transmission rate over wireless communication systems using spectral shaping
09/18/1996CN1131494A High-frequency receiver
09/18/1996CN1131481A Line interface apparatus and method for isolating data terminal equipment from the line
09/18/1996CN1131361A Connecting circuit device for intercom
09/17/1996US5557653 Headset for hands-free wireless telephone
09/17/1996US5557646 Multipath eliminating filter
09/17/1996US5557642 Communications receiver
09/17/1996US5557641 Charge-coupled-device based transmitters and receivers
09/17/1996US5557640 Phase and amplitude equalization arrangement
09/17/1996US5557636 Method and system of operating redundant transmission line
09/17/1996US5557603 Radio communications apparatus with diversity
09/17/1996US5557280 Synchronized electronic identification system
09/17/1996US5557085 Method and device for electronic identification
09/17/1996US5556066 Installation structure of outdoor communication device
09/17/1996CA2077500C Radio transceiver
09/12/1996WO1996027972A1 Personal communication system and method of use
09/12/1996WO1996027968A2 System comprising a handheld control device
09/12/1996WO1996027961A1 Method and apparatus for signal acquisition and channel estimation using multiple antennas
09/12/1996WO1996027957A1 Low-power two-way wireless communication system for electronic shelf labels
09/12/1996WO1996027952A1 Dual channel fm receiver with on demand information services
09/12/1996WO1996027950A1 A subscriber unit for use in a multiple access communication system
09/12/1996WO1996027949A1 Computerised radio receiver
09/12/1996WO1996027948A2 Method and apparatus for controlling frequency of a multi-channel transmitter
09/12/1996WO1996027822A1 Synchronization system for a shared channel communication system
09/12/1996DE19602535C1 Energy conserving method for communications equipment, based on television receiver
09/12/1996DE19508017A1 Portable communication device with translation capability
09/12/1996DE19507741A1 Suspending and holding apparatus for hand held communications equipment, e.g. portable telephone, esp. in vehicle
09/12/1996CA2214783A1 Low-power two-way wireless communication system for electronic shelf labels
09/12/1996CA2214781A1 A subscriber unit for use in a multiple access communication system
09/12/1996CA2214716A1 Dual channel fm receiver with on demand information services
09/12/1996CA2187790A1 Method and apparatus for signal acquisition and channel estimation using multiple antennas
09/11/1996EP0731579A2 Method and apparatus for controlling a digital phase lock loop within a cordless telephone
09/11/1996EP0731572A2 Radio station tuning system
09/11/1996EP0731569A2 Radio frequency telecommunications transceiver
09/11/1996EP0731568A2 Communication terminal for trunked radio system
09/11/1996EP0731556A1 High-power linear amplification using periodically updated amplitude and phase correction values
09/11/1996EP0731452A2 Photographic element having a transparent magnetic recording layer
09/11/1996EP0730808A1 Low-power frequency-hopped spread spectrum acknowledgement paging system
09/11/1996EP0730798A1 Method and apparatus for testing telecommunications equipment
09/11/1996EP0730797A1 Decoder for a non-coherently demodulated signal
09/11/1996EP0730796A1 Apparatus and methods for displaying text in conjunction with recorded audio programs
09/11/1996EP0642719B1 Process for reducing data in the transmission and/or storage of digital signals from several interdependent channels
09/11/1996EP0550540B1 Variable speaker muting based on received data
09/11/1996EP0489749B1 Image canceling mixer circuit on an integrated circuit chip
09/11/1996CN2235174Y Battery box for portable telephone
09/11/1996CN1130961A Method and device for encoding signal, method and device for decoding signal, recording medium, and signal transmitting device
09/11/1996CN1130854A Two position fold-over dipole antenna
09/11/1996CN1130852A System for transmitting information via time-varying transmission channel and corresponding transmit and receive equipment
09/11/1996CN1130831A Demodulation control system and receiver capable of quickly acquiring desired carrier wave
09/11/1996CN1130826A Radio receiver
09/10/1996US5555552 Apparatus for quickly capturing cordless telephone channel to be measured
09/10/1996US5555465 Digital signal processing apparatus and method for processing impulse and flat components separately
09/10/1996US5555453 Radio communication system
09/10/1996US5555452 Peak and valley signal measuring circuit using single digital-to-analog converter
09/10/1996US5555451 High-quality reception indicating circuit for scanning AM recievers
09/10/1996US5555450 Radio phone and method of operating a radio phone
09/10/1996US5555448 Combined wireless/wired phone handset system
09/10/1996US5555447 Method and apparatus for mitigating speech loss in a communication system
09/10/1996US5555287 Integrated circuit and cordless telephone using the integrated circuit
09/10/1996US5555276 Method of and apparatus for controlling modulation of digital signals in frequency-modulated transmissions
09/10/1996US5555273 Audio coder
09/10/1996US5555268 Transceiver for transmitting a first stream of data symbols
09/10/1996US5554996 Antenna for communication device
09/10/1996US5554980 Remote control system
09/10/1996US5554960 Branching filter, branching filter module and radio commnication apparatus
09/10/1996US5554892 Signal processing circuit for switch capable of reducing insertion loss
09/10/1996CA2024385C Predistorter for linearization of electronic and optical signals
09/06/1996WO1996027249A1 Voice compression in a paging network system
09/06/1996WO1996027248A1 Voice messaging system and method making efficient use of orthogonal modulation components
09/06/1996WO1996027242A2 Radio frequency transceiver system for digital communication
09/06/1996WO1996027240A1 Dual audio program system
09/06/1996WO1996027236A1 Adaptive predistorter
09/06/1996WO1996027175A1 Alarm sensor multiplexing
09/06/1996WO1996021304A3 Combating signal interference in digital transmission
09/06/1996WO1996020540A3 Dual-mode fm/cdma communication system
09/06/1996WO1996019048A3 Method and apparatus for increasing receiver immunity to interference
09/06/1996CA2222143A1 Alarm sensor multiplexing
09/04/1996EP0730353A1 Radio communications system for AM or FM data transmission
09/04/1996EP0729670A1 A bidirectional amplifier
09/04/1996EP0551363B1 A method for maximizing channel selection in a communication system
09/04/1996EP0483246B1 Combined bias supply and power shut-off circuit
09/04/1996CN2234666Y Radio remote-controlled switch
09/04/1996CN1130457A Method for realizing ambience listening and radio unit
09/04/1996CN1130456A Reception method and receiver
09/04/1996CN1130324A Casing mechanism of pager receiver with external terminal for exchanging data with outside
09/03/1996US5553318 Transmitter having envelope feedback loop and automatic level control loop
09/03/1996US5553317 Quadrature modulator for TDMA/TDD radio communication apparatus
09/03/1996US5553314 Method of configuring a communication unit using a wireless portable configuration device
09/03/1996US5553299 Programming/reprogramming a point to point communication apparatus
09/03/1996US5553193 Bit allocation method and device for digital audio signals using aural characteristics and signal intensities
09/03/1996US5553192 Apparatus for noise removal during the silence periods in the discontinuous transmission of speech signals to a mobile unit
09/03/1996US5553190 Speech signal transmission method providing for control
09/03/1996US5553117 Vehicular communications system
09/03/1996US5553097 System and method for transporting high-bandwidth signals over electrically conducting transmission lines
09/03/1996US5553062 Spread spectrum CDMA interference canceler system and method
09/03/1996US5552921 Method of common transfer of digital, audio and control data on a common bus line; bus system for implementing the method and interface application in the method
09/03/1996US5552917 Remote control
09/03/1996US5552806 In a communications device
09/03/1996US5552764 Alarm detecting system for redundancy configuration circuit
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