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)
04/1996
04/02/1996US5504787 Coherent sequential PN code extractor
04/02/1996US5504779 Redundancy modem
04/02/1996US5504776 Spread spectrum communication system and transmitter-receiver
04/02/1996US5504775 Multi-user spread spectrum communication system
04/02/1996US5504774 Data transmitting and receiving apparatus
04/02/1996US5504773 Method and apparatus for the formatting of data for transmission
04/02/1996US5504750 Method and apparatus for a radio system operating on shared communication channels
04/02/1996US5504746 Radio frequency local area network
04/02/1996US5504478 Radio frequency control system
04/02/1996US5503960 Placing photoresist layers on top and bottom surfaces of metal plate, masking, accurately aligning mask patterns, securing together, exposing to ultraviolet light, removing masks, developing photoresists, etching apertures in exposed metal
04/02/1996CA2091673C Method for maximizing channel selection in a communication system
04/02/1996CA2069142C Digital class receiver
04/02/1996CA2053476C Power amplifier and mobile radio apparatus with the same
03/1996
03/30/1996CA2158330A1 Power sharing system for high power rf amplifiers
03/28/1996WO1996009733A2 Base station
03/28/1996WO1996009694A1 An ultrawide-band communications system and method
03/28/1996WO1996009574A1 Remote control of power to appliances
03/28/1996DE4434451A1 Amplitudendemodulator Amplitude demodulator
03/28/1996DE4433691A1 Transmission path replacement in optical communications network
03/28/1996DE4432926A1 Mobile radio communications network, e.g. GSM
03/28/1996DE19535612A1 Mobile telephone with automatic call answering function
03/28/1996DE19534789A1 Dynamisches Funkgerät-Menüsystem Dynamic Radio Menu System
03/28/1996DE19534192A1 Mehrkomponentenantenne und zugehöriges Verfahren Multicomponent antenna and associated method
03/28/1996CA2200475A1 An ultrawide-band communications system and method
03/27/1996EP0703719A1 On-board audio system
03/27/1996EP0703717A1 Battery saving for a system comprising a mobile telephone connected to an accessory device
03/27/1996EP0703689A1 Method and system for transmitting and receiving digital signals, in which the peak power of the transmitted filtered signal is reduced
03/27/1996EP0703677A2 Perceptual subband encoder
03/27/1996EP0703676A1 Portable communication device and IC cadr therefor
03/27/1996EP0703513A1 Antenna for portable electronic equipment
03/27/1996EP0702884A1 System and method for mobile communications in coexistence with established communications systems
03/27/1996EP0702868A1 Fading simulator
03/27/1996EP0702867A1 Heterodyne receiver having low intermediate frequency
03/27/1996EP0702866A1 Signaling packet for communication system with modulated reference according to a time-base law
03/27/1996EP0702863A1 Method and apparatus for controlling encoding rate in a communication system
03/27/1996EP0623260B1 Improved transponder for proximity identification system
03/27/1996CN2223536Y Radio remote control multi-way switch
03/27/1996CN2223535Y Radio sound safety singling device for train nearing
03/27/1996CN1119378A Arrangement for simultaneously interrogating a plurality of portable radio frequency communication devices
03/27/1996CN1119376A Apparatus for adaptively encoding input digital audio signals from a plurality of channels
03/27/1996CN1119369A Dual-function double balanced mixer
03/27/1996CN1119355A Insertable user identification modular unit connecting device
03/26/1996US5502789 Apparatus for encoding digital data with reduction of perceptible noise
03/26/1996US5502715 Integrated diplexer-amplifier for near antenna installation
03/26/1996US5502691 Operation prohibition device for a car loading audio instrument
03/26/1996US5502689 For an electrical system
03/26/1996US5502437 Receiver isolation scheme
03/26/1996CA2059411C Circuit for suppressing white noise in received voice
03/24/1996CA2158896A1 Power saving in a system including a portable radiotelephone connected to a peripheral device
03/21/1996WO1996008892A1 Video distribution system using in-wall wiring
03/21/1996WO1996008891A1 Receiver for multiplex broadcasting
03/21/1996WO1996008888A1 Method and apparatus for temperature compensation in a time division multiplex receiver
03/21/1996WO1996008883A1 Dual-mode satellite/cellular phone with a frequency synthesizer
03/21/1996WO1996008881A2 A reception method, and a receiver
03/21/1996WO1996008878A1 Satellite communications adapter for cellular handset
03/21/1996WO1996008877A2 Hitless ultra small aperture terminal satellite communication network
03/21/1996WO1996008865A2 Quadrature modulator with integrated distributed rc filters
03/21/1996WO1996008850A2 A radio transmission system and a radio apparatus for use in such a system
03/21/1996WO1996008849A2 A radio transmission system and a radio apparatus for use in such a system
03/21/1996WO1996008802A1 Device and method for the telecontrol of an object
03/21/1996CA2200098A1 Device and method for the telecontrol of an object
03/21/1996CA2199935A1 Quadrature modulator with integrated distributed rc filters
03/20/1996EP0702461A1 Reducing multipath fading
03/20/1996EP0702460A2 A coupling device for plug-in subscriber identity modules
03/20/1996EP0702458A1 Method and device for encoding signal, signal transmitting method, signal recording medium, and method and device for decoding signal
03/20/1996EP0702324A2 Multiple item radio frequency tag identification protocol
03/20/1996EP0702323A2 System and method for radio frequency tag group select
03/20/1996EP0701754A1 Interconnection of local communication bus systems
03/20/1996EP0701753A1 A communication method for an adaptive direct sequence cdma communication system
03/20/1996EP0701752A1 A method and apparatus for determining signal usability
03/20/1996EP0701751A1 Car-radio combination set with an integrated transceiver device
03/20/1996EP0701750A1 A wide bandwidth discriminator for use in a radio receiver
03/20/1996EP0310632B1 Cross-flow filtration device and method of manufacturing said device
03/20/1996CN1119056A Radio frequency radiation shield for hand-held radio phone
03/20/1996CN1119055A Power adapter with integral radio frequency port
03/20/1996CN1118976A Mobile station for CDMA mobile communication system and detection method of the same
03/20/1996CN1118910A Radio frequency circuit and memory in thin flexible package
03/20/1996CN1118880A Radio frequency identification tag
03/19/1996US5500872 Spread spectrum base band processor
03/19/1996US5500871 Spread spectrum communication transmitter an LSI therefor
03/19/1996US5500856 Transmission de-correlator for eliminating interference in a CDMA communication system
03/19/1996US5500651 System and method for reading multiple RF-ID transponders
03/19/1996CA2065331C Battery saver for a tdm system
03/14/1996WO1996008100A1 Method and apparatus for aligning a digital receiver
03/14/1996WO1996008086A1 Micropower rf transponder
03/14/1996WO1996008083A1 Microwave transmitter and communications system
03/14/1996WO1996008079A1 Power supply modulator circuit for transmitter
03/14/1996WO1996008078A1 Receiver with quadrature decimation stage, method of processing digital signals
03/14/1996WO1996008077A1 Transmission and reception of cpm spread-spectrum communications
03/14/1996WO1996007985A1 Radio frequency circuit and memory in thin flexible package
03/14/1996WO1996007938A1 Radio frequency identification tag
03/14/1996WO1996007928A1 Time-of-flight radio location system
03/14/1996DE4432589A1 Vehicle radio equipment with removable front control face module
03/14/1996DE4432119A1 Air-cooled transmitter amplifier
03/14/1996DE4432078A1 Vehicle mounted combination audio-video system
03/14/1996CA2199525A1 Transmission and reception of cpm spread-spectrum communications
03/13/1996EP0701344A1 Adaptive spread spectrum receiver
03/13/1996EP0701343A1 A method for estimating a channel, and a receiver
03/13/1996EP0701341A2 Network follow processing method and RDS receiver executing same
03/13/1996EP0701336A2 Wireless communication system and station for use therein
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