Patents
Sitemap › H04 - Electric communication technique › H04J - Multiplex communication › H04J 13 - Code division multiplex systems
Patents for H04J 13 - Code division multiplex systems (21,510)
04/1993
04/28/1993EP0539252A1 Method for synchronising two signals
04/27/1993US5206882 System for and method of creating and assigning address codes in a cellular spread spectrum system
04/20/1993US5204978 Frequency setting method for radio transmission apparatus
04/20/1993US5204877 Spread spectrum modulating device
04/20/1993US5204876 Method and apparatus for providing high data rate traffic channels in a spread spectrum communication system
04/20/1993US5204874 Method and apparatus for using orthogonal coding in a communication system
04/15/1993WO1993007702A1 Transmitter power control system
04/15/1993WO1993007693A1 Multiple access telephone extension systems and methods
04/14/1993EP0536334A1 System and method for generating signal waveforms in a cdma cellular telephone system
04/06/1993US5200664 Surface acoustic wave device
04/01/1993WO1993006547A1 Maximum search circuit
03/1993
03/31/1993EP0533887A1 Method and apparatus for accommodating a variable number of communication channels in a spread spectrum communication system
03/30/1993CA1315402C System of orthogonal code generators, radios provided with a code generator and code generators of such a system
03/23/1993CA1314937C Method for the transmission of data between two stations by means of optical waveguides
03/18/1993WO1993005589A1 Data signal multiplexing method and device
03/18/1993WO1993005585A1 A method for automatic transmission power control in a transceiver suitable for a cdma environment employing direct sequence diffusion
03/17/1993EP0532409A1 Spread spectrum bidirectional transmission system
03/16/1993US5195105 Spread spectrum receiver
03/03/1993EP0529051A1 Method and apparatus for providing high data rate traffic channels in a spread spectrum communication system
02/1993
02/24/1993EP0476127A4 Integrated cellular communications system
02/16/1993US5187718 Demodulator for spread spectrum communication
02/16/1993US5187675 Maximum search circuit
02/03/1993WO1993003556A1 Cdma subtractive demodulation
02/03/1993EP0526439A1 CDMA substractive demodulator
01/1993
01/21/1993WO1993001674A1 Spread spectrum television transmission
01/12/1993US5179572 Spread spectrum conference calling system and method
01/12/1993US5179571 Spread spectrum cellular handoff apparatus and method
01/12/1993CA1312656C Wireless communications systems
01/12/1993CA1312655C Wireless local area network
01/05/1993US5177768 Spread-time code division multiple access technique with arbitrary spectral shaping
01/05/1993US5177767 Spread-spectrum communication system
12/1992
12/29/1992US5175744 Spread-time code division multiple access technique with arbitrary spectral shaping
12/29/1992US5175743 Spread-time code division multiple access technique with arbitrary spectral shaping
12/22/1992US5173923 Spread-time code division multiple access technique with arbitrary spectral shaping
12/16/1992EP0518015A2 Control device for coordinating access to a transmission channel in communication equipment
12/10/1992WO1992022156A1 Spread spectrum wireless telephone system
12/08/1992US5170412 For the simultaneous exchange of several data streams
12/08/1992US5170411 Modulation and demodulation system for spread spectrum transmission
12/02/1992EP0515675A1 Synchronous spread-spectrum communications system and method
12/02/1992EP0500761A4 Diversity receiver in a cdma cellular telephone system
12/01/1992US5168510 Spread spectrum-time diversity communications systems and transceivers for multidrop area networks
12/01/1992US5168505 Automatic gain control device for spread spectrum communication device
11/1992
11/30/1992WO1992022161A1 Fully meshed cdma network for personal communications terminals
11/30/1992CA2108459A1 Fully meshed cdma network for personal communications terminals
11/29/1992WO1992022157A1 Power control of a direct sequence cdma radio
11/26/1992WO1992021196A1 Method and apparatus for controlling transmission power in a cdma cellular mobile telephone system
11/26/1992WO1992021195A1 Dual mode transmitter and receiver
11/25/1992EP0514539A1 Spread spectrum cdma communications system
11/24/1992US5166952 Method and apparatus for the reception and demodulation of spread spectrum radio signals
11/24/1992US5166951 High capacity spread spectrum channel
11/17/1992US5164958 For handling off a transitioning-remote unit
11/17/1992CA1310370C Packet data communication system
11/14/1992CA2102914A1 Dual mode transmitter and receiver
11/08/1992WO1992020178A1 Spread spectrum correlator
11/04/1992EP0511341A1 A radio transceiver system.
11/03/1992US5161168 Spread spectrum CDMA communications system microwave overlay
10/1992
10/27/1992US5159608 Method and apparatus for using orthogonal coding in a communication system
10/27/1992US5159338 Sampling frequency conversion apparatus
10/20/1992US5157689 GOLD code generating device in a spread spectrum communication device
10/15/1992WO1992017989A1 Three-cell wireless communication system
10/15/1992WO1992017964A1 A method of controlling the operation of a packet switched cdma telecommunication network
10/07/1992EP0507626A2 A terminal for a communications network
10/06/1992CA2106570A1 Method of controlling the operation of a packet switched cdma telecommunication network
09/1992
09/30/1992EP0505771A1 Communication satellite system having an increased power output density per unit of bandwidth
09/30/1992CN1018503B Shared-carrier frequency hopping
09/29/1992WO1992017947A1 Identification apparatus and method
09/29/1992US5151921 Spread spectrum communication device
09/29/1992US5151920 Radio LAN station with improved frame delimiter detection in a spread spectrum environment
09/29/1992US5151919 Cdma subtractive demodulation
09/29/1992CA2103910A1 Identification apparatus and method
09/22/1992US5150377 Direct sequence spread spectrum (dsss) communications system with frequency modulation utilized to achieve spectral spreading
09/15/1992US5148413 Narrow band disturbing wave detecting device
09/14/1992WO1992017012A1 Method and apparatus for accommodating a variable number of communication channels in a spread spectrum communication system
09/14/1992WO1992017011A1 Method and apparatus for providing high data rate traffic channels in a spread spectrum communication system
09/02/1992EP0500761A1 Diversity receiver in a cdma cellular telephone system
09/01/1992US5144641 Spread spectrum communication device
09/01/1992US5144640 Correlation device for spectrum spread communication
09/01/1992US5144639 Spread-spectrum communication system
09/01/1992US5144469 Method for the transmission of data between two stations by means of optical waveguides
08/1992
08/26/1992EP0500079A2 Spread spectrum demodulator
08/18/1992CA1306555C Homodyne-type spread spectrum transmitter/receiver
08/11/1992US5138632 Correlation pulse generating circuit
08/11/1992US5138631 Satellite communication network
08/04/1992US5136612 Method and apparatus for reducing effects of multiple access interference in a radio receiver in a code division multiple access communication system
08/04/1992US5136611 Orthogonal sequence generator and radar system incorporating the generator
07/1992
07/22/1992EP0494858A1 Base station for a mobile digital system with the frequency hopping technique.
07/21/1992US5132986 Csk communication system
07/21/1992US5132985 Spread spectrum receiver
07/14/1992US5130987 Method for synchronizing a wide area network without global synchronizing
07/14/1992CA1305229C Radio bus system
07/09/1992WO1992011716A1 Cdma subtractive demodulation
07/08/1992EP0493904A2 Method and apparatus for reducing effects of multiple access interference in a radio receiver in a code division multiple access communication system
07/08/1992EP0493449A1 Random access multiple user communication system
07/07/1992US5128998 Head or arbitrary bit pulse generating circuit and sampling pulse generating circuit in a pseudo noise code generator
06/1992
06/30/1992US5127021 Spread spectrum television transmission
06/30/1992US5127020 Bias control device
06/25/1992WO1992010892A1 Synchronous spread-spectrum communications system and method
06/25/1992WO1992010891A1 Spread spectrum cdma communications system
06/24/1992EP0491668A2 CDMA substractive demodulation
06/22/1992WO1992011722A1 Method and apparatus for cancelling spread-spectrum noise
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