Patents
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)
04/1996
04/17/1996CN2225111Y R-T inverter of induction speakerphone
04/17/1996CN2225110Y Radio earphone
04/17/1996CN1120791A Frequency hopping wireless communication system and communication equipment
04/17/1996CN1120789A Spread spectrum communication apparatus and signal intensity detection apparatus
04/17/1996CN1120777A Digital data receiver
04/17/1996CN1120769A Signal receiving apparatus
04/17/1996CN1120764A Apparatus and method for minimizing the turn on time for a receiver operating in discontinuous receive mode
04/17/1996CN1120763A Pager with message display
04/17/1996CN1120761A Network system
04/16/1996USRE35209 Spread spectrum communications system
04/16/1996US5509035 In a communication system
04/16/1996US5509032 Non-adaptive amplitude-difference interference filter
04/16/1996US5509030 RF receiver AGC incorporating time domain equalizer circuity
04/16/1996US5509027 Synchronization method in a frequency hopping local area network having dedicated control channels
04/16/1996US5509015 Method and apparatus for scheduling communication between transceivers
04/16/1996US5509011 Transmission system for time-division multiplex signal transmission
04/16/1996US5508949 Fast subband filtering in digital signal coding
04/16/1996US5508709 Antenna for an electronic apparatus
04/16/1996CA2085606C Controlling clipping in a microwave power amplifier
04/11/1996WO1996010879A1 Method and apparatus for coherent communication reception in a spread-spectrum communication system
04/11/1996WO1996010873A1 Multipath search processor for a spread spectrum multiple access communication system
04/11/1996WO1996010871A1 Multiple band radio
04/11/1996WO1996010870A1 Psychoacoustic audio-signal coding system and method
04/11/1996WO1996010868A1 Method and arrangement in a transmission system
04/11/1996WO1996006499A3 Method of, and system for, transferring secure data
04/11/1996WO1996006494A3 Nonlinear digital communications system
04/11/1996DE4436983A1 Relative distance measuring system between reference point and railway train
04/11/1996DE4435753A1 Bidirectional repeater for telecommunication system
04/11/1996DE19534883A1 TV receiver equipment with remote control
04/11/1996CA2201597A1 Method and arrangement in a transmission system
04/11/1996CA2174243A1 Multipath search processor for a spread spectrum multiple access communication system
04/10/1996EP0706266A1 Detection of input signal level exceeding a threshold value
04/10/1996EP0706232A2 Portable radio apparatus
04/10/1996EP0706231A1 Antenna equipment
04/10/1996EP0705512A1 Method and apparatus for determining the data rate of a received signal
04/10/1996EP0705501A1 Method and apparatus for testing telecommunications equipment using a reduced redundancy test signal
04/10/1996EP0645030A4 Portable data processor which selectively activates and deactivates internal modular units and application processor to conserve power.
04/10/1996EP0533721B1 Television set
04/10/1996EP0394491B1 Voice signal demodulation circuit
04/10/1996CN2224487Y Switch for automatic emission of simplex communication radio-station
04/10/1996CN1120276A Direct exchangable receiver and shift frequency key controlled demodulator
04/10/1996CN1120270A CDMA receiving apparatus
04/10/1996CN1120250A Antenna for communication device
04/10/1996CN1120201A Signal processor
04/10/1996CN1120194A Wireless printer common system
04/09/1996US5507040 Method and apparatus for battery saving in a radio communication device
04/09/1996US5507039 Mobile wireless apparatus with power consumption reduction circuitry
04/09/1996US5507038 Heat seal connector with integral parting agent
04/09/1996US5507037 Apparatus and method for discriminating signal noise from saturated signals and from high amplitude signals
04/09/1996US5507036 Apparatus with distortion cancelling feed forward signal
04/09/1996US5507033 Apparatus and method for increasing data transmission rate over wireless communication systems using spectral shaping
04/09/1996US5507025 Method and apparatus for satellite receiver with variable predetection bandwidth
04/09/1996US5507023 Receiver with an AGC circuit capable of expanding a dynamic range
04/09/1996US5507022 Electric field level detecting apparatus
04/09/1996US5507015 Method and apparatus for automatic modulation calibration in a radio transmitter
04/09/1996US5507012 Shield apparatus for absorbing microwave energy for hand held telephones
04/09/1996US5507011 High-frequency switch including strip line and two switching diodes
04/09/1996US5506991 Printer port adapter with overlaid one-wire interface for electronic key
04/09/1996US5506906 Radio receiver station-seeker stop-signal generator
04/09/1996US5506865 Pilot carrier dot product circuit
04/09/1996US5506864 CDMA communications and geolocation system and method
04/09/1996US5506863 Method and apparatus for operating with a hopping control channel in a communication system
04/09/1996US5506862 Digital implementation of spread spectrum communications system
04/09/1996US5506861 System and method for joint demodulation of CDMA signals
04/09/1996US5506833 PCA transmission apparatus and PCA transmission method
04/09/1996US5506717 Apparatus for locating a remote control transmitter
04/09/1996US5506545 Electronic apparatus having low radio frequency interference from controlled excursion noise-modulated system clock signal
04/09/1996CA2109204C Hinge assembly
04/09/1996CA2072582C Power control circuitry for a tdma radio frequency transmitter
04/09/1996CA2053124C Speech detection circuit
04/08/1996CA2159677A1 Method and apparatus for saving power in a radiotelephone
04/06/1996CA2156555A1 Radio communication apparatus
04/04/1996WO1996010309A1 Receiver having an adjustable symbol slice demodulator
04/04/1996WO1996010306A1 Robust frequency management and acquisition in a wireless local area network that uses frequency-hopping radios
04/04/1996WO1996010300A1 Enhanced frequency agile radio
04/04/1996WO1996010299A1 Decoder for a non-coherently demodulated signal
04/04/1996WO1996010298A1 Digital agc for a cdma radiotelephone
04/04/1996WO1996010290A1 Amplitude demodulator
04/04/1996DE4434983A1 Hand-held radio telephone apparatus
04/04/1996CA2198595A1 Digital agc for a cdma radiotelephone
04/03/1996EP0705010A1 Transmitter with compensation of power amplifier distortion
04/03/1996EP0704992A2 Cellular communications system with multicarrier signal processing
04/03/1996EP0704987A2 Spread spectrum communication terminal apparatus in CDMA cellular telephone system
04/03/1996EP0704985A2 Clock phase adjustment circuit in a RAKE receiver for spread spectrum signals
04/03/1996EP0704984A2 Multiple antenna FM receiver
04/03/1996EP0704983A2 Method and apparatus for processing multicarrier signals
04/03/1996EP0704982A2 A radio receiver for processing a multi-carrier signal with a large dynamic range
04/03/1996EP0704964A2 Power sharing system for high power RF amplifiers
04/03/1996EP0704925A1 Composite high frequency apparatus and method for forming same
04/03/1996EP0704829A2 Electronic article surveillance input configuration control system employing expert system techniques for dynamic optimization
04/03/1996EP0704815A2 High field programmable transponder system and method
04/03/1996EP0704812A2 Surface acoustic wave device improved in convolution efficiency, receiver using it, communication system using it, and method for producing surface acoustic wave device improved in convolution efficiency
04/03/1996EP0704142A1 Multi protocol personal communications system
04/03/1996CN2223871Y Chargeable cell for moveable telephone set
04/03/1996CN1119902A Method and apparatus for compressing, method for transmitting, and method and apparatus for expanding compressed multi-channel sound signals
04/03/1996CN1119891A Arrangement for a use billing system
04/03/1996CN1119819A Remote Controlling device
04/03/1996CN1119807A Method of selecting input apparatus
04/02/1996US5504940 Shock isolation system having integral electrical interconnects
04/02/1996US5504856 Method and apparatus for controlling switching of transmission line