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)
11/1995
11/15/1995EP0682427A1 Correlation detector and communication apparatus
11/15/1995EP0682423A2 Code division multiple access system providing variable data rate access to a user
11/15/1995EP0682419A2 Transmission power control for mobile radio using open and closed loop
11/15/1995EP0682382A2 Microwave integrated tuned detector
11/15/1995EP0681764A1 A transmission system, and a transmitter and a receiver for use in such a system
11/15/1995EP0681762A1 Wireless personal local area network
11/15/1995CN2212860Y Protective covering for remote-controller of domestic electrical appliance
11/15/1995CN1111893A Remote control devices
11/15/1995CN1111886A Method and apparatus for operating a radiotelephone in an extended stand-by mode of operation for conserving battery power
11/15/1995CN1111864A A system and method for joint demodulation of CDMA signals
11/15/1995CN1111857A Radio receiver
11/15/1995CN1111856A Radio transceiver including transmitter power control circuit
11/15/1995CN1111797A Audio and video docking and control system
11/15/1995CN1111755A Communicating device for moving objects
11/14/1995US5467399 Coherent signal generation in digital radio receiver
11/14/1995US5467368 Spread spectrum signal demodulator
11/14/1995US5467367 Spread spectrum communication apparatus and telephone exchange system
11/14/1995US5467324 Wristwatch radiotelephone with deployable voice port
11/14/1995US5467277 Apparatus and method for automobile control using a control characteristic which can be adjusted by the driver
11/14/1995US5467197 Dual communication mode video tape recorder
11/14/1995US5467137 Method and apparatus for synchronizing a receiver as for a compressed video signal using differential time code
11/14/1995US5467091 Radar and other communication systems having large bandwidth and large dynamic range
11/14/1995US5467065 Filter having resonators coupled by a saw filter and a duplex filter formed therefrom
11/14/1995US5467055 Power amplifier and radio transmitter
11/14/1995US5466170 End-insertion data terminal dock with positive data terminal lock and bounce-preventing contact engagement bias
11/14/1995CA2148673A1 Radio communication device
11/14/1995CA2079112C Locating system
11/13/1995CA2149204A1 Portable electronic device with improved method of supplying current to different load circuits
11/12/1995CA2148997A1 Method and circuit arrangement for disturbance-free redirection of a message cell stream onto an alternate route
11/09/1995WO1995030300A1 Apparatus and methods for providing initializing settings to an appliance
11/09/1995WO1995030289A2 A direct sequence cdma coherent uplink detector
11/09/1995WO1995030288A1 Frequency synchronization for frequency hopping communication using calibration tone sent at hop
11/09/1995WO1995030287A1 Global positioning system (gps) receiver for recovery and tracking of signals modulated with p-code
11/09/1995WO1995030286A2 Encoding system and encoding method for encoding a digital signal having at least a first and a second digital signal component
11/09/1995WO1995030285A1 Wireless voice transmission system
11/09/1995WO1995030284A1 Improved contact array
11/09/1995WO1995030275A1 Method and apparatus for automatic gain control and dc offset cancellation in quadrature receiver
11/09/1995WO1995030274A1 Method and apparatus for automatic gain control in a digital receiver
11/09/1995WO1995030217A1 A method for reading a plurality of remote meters
11/09/1995DE4415619A1 Battery powered circuit for HF transmission amplifier
11/08/1995EP0681391A1 An on hook/off hook mechanism for a wrist telephone
11/08/1995EP0681390A1 A sound port for a wrist telephone
11/08/1995EP0681376A2 Methods of and devices for spread spectrum communication systems using forward error correction
11/08/1995EP0681375A1 Communication apparatus
11/08/1995EP0681365A1 Electrostatic destruction preventing circuit and receiving apparatus having the same
11/08/1995EP0681254A1 Passive transponder
11/08/1995EP0680859A2 System for protecting a vehicle against unauthorized use
11/08/1995EP0680673A1 A telecommunication system, and a first station, a second station, and a transceiver for use in such a system
11/08/1995CN2212286Y Noise controller for satellite communication enciphered circuit
11/08/1995CN1111471A Electronic device having internal charge regulator
11/08/1995CN1111467A Method and apparatus for encoding and decoding compressed data in data communication
11/08/1995CN1111465A Method and apparatus for reducing an undesirable characteristic of a spectral estimate of a noise signal between occurrences of voice signals
11/08/1995CN1111440A 接收机 Receiver
11/08/1995CN1111421A Method and apparatus for moise burst detection in a signal processor
11/08/1995CN1111199A Device for operating electronic instrument
11/07/1995US5465422 Seat apparatus for actuating an audio source
11/07/1995US5465421 Protective sports helmet with speakers, helmet retrofit kit and method
11/07/1995US5465418 Self-oscillating mixer circuits and methods therefor
11/07/1995US5465413 Adaptive noise cancellation
11/07/1995US5465412 Apparatus and method for determining a point in time for detecting a sampled signal in a receiver
11/07/1995US5465411 Diversity receiver with switching noise reduction
11/07/1995US5465410 Method and apparatus for automatic frequency and bandwidth control
11/07/1995US5465409 Radio architecture with dual frequency source selection
11/07/1995US5465408 AGC circuit for operating in accordance with the nature of the interference signal and method for controlling this circuit
11/07/1995US5465407 Gain controller for a digital mobile radio receiver
11/07/1995US5465406 Automatic gain control overshoot limiter for AM receiver
11/07/1995US5465403 Shortwave radio receiver with timer reception mode
11/07/1995US5465401 Communication system and methods for enhanced information transfer
11/07/1995US5465392 Apparatus and method for operating a wireless local area network having power conservation
11/07/1995US5465298 Solid state isolation device using opto-isolators
11/07/1995US5465269 Method and apparatus for encoding and decoding a supplementary signal
11/07/1995US5465240 Apparatus and methods for displaying text in conjunction with recorded audio programs
11/07/1995US5465207 Vehicle data system
11/07/1995US5465096 Transmission apparatus for orbiting satellite
11/07/1995US5465068 Excitation stage of a transmission tube for short-wave transmitter
11/07/1995CA2044562C Interference source identification
11/07/1995CA2036378C Proximity detecting apparatus
11/02/1995WO1995029567A1 Multichannel wideband digital receiver making use of multiple wideband tuners having individually selectable gains to extend overall system dynamic range
11/02/1995WO1995029543A1 Method of transmitting additional digital information over a transmission channel such as a radio-broadcast channel
11/02/1995WO1995029436A1 System for adapting a personal computer for radio communication
11/02/1995WO1995026614A3 Method for realizing ambience listening, and radio unit
11/02/1995WO1995026040A3 Method for realizing frequency hopping and a base station equipment
11/02/1995WO1995024716A3 Device for the exchange of information with an electronic memory card, and car radio provided with such a device
11/02/1995EP0680167A2 Spread code generation device for spread spectrum communication
11/02/1995EP0680166A1 Method for tuning a broadcast receiver using programme identification data transmitted on an auxiliary subcarrier
11/02/1995EP0680165A1 Method for tuning a broadcast receiver using programme identification data transmitted on an auxiliary subcarrier
11/02/1995EP0680161A1 Radio apparatus having a plurality of antennas
11/02/1995EP0680158A1 Methods of and devices for spread spectrum communication systems using forward error correction
11/02/1995EP0680157A1 Methods of and devices for spread spectrum communication systems using forward error correction
11/02/1995EP0680156A2 Radio station apparatus and signal transmission method thereof
11/02/1995EP0680155A1 Transceiver module and handset
11/02/1995EP0680154A2 Interference cancellation using power-inversion adaptive array and LMS adaptive equalizer
11/02/1995EP0680144A1 Receiver arrangement
11/02/1995EP0680112A2 Direct connect radio and antenna assembly
11/02/1995EP0680094A2 Network independent electric device with additional photovoltanic power supply
11/02/1995EP0679312A1 An information transmission system for increasing the effective rate of transfer of information
11/02/1995EP0679311A1 Method and apparatus for noise quieting during resynchronization of a digital communication system
11/02/1995EP0679301A1 A method for minimizing a phase error of a transmitter
11/02/1995EP0679300A1 A wireless packet data communications modem and method of use therein
11/02/1995EP0679299A1 Interconnection of components
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