Patents
Patents for H04J 99 - Subject matter not provided for in other groups of this subclass (7,250)
02/2000
02/24/2000WO2000010335A2 Device and method for multiplexing physical channel in cdma communication system
02/24/2000WO2000010038A1 Time-wavelength multiple access optical communication systems and methods
02/10/2000WO2000007322A2 Local area network of serial intelligent cells
01/2000
01/06/2000CA2266149A1 An analog radio system with acoustic transmission properties
12/1999
12/14/1999CA2159971C Symbol error based power control for mobile telecommunication system
11/1999
11/25/1999WO1999060719A1 Combined analog/digital data transmission system
11/25/1999CA2332902A1 Combined analog/digital data transmission system
11/10/1999CN1234679A Picture communication apparatus and method
10/1999
10/27/1999EP0951763A2 Method for frequency division duplex communications
10/20/1999EP0950299A1 A mobile tele-computer network for motion picture, television and tv advertising production
10/13/1999EP0949797A2 Image communication apparatus and method
10/06/1999CN1231086A Method for estimating angular spread of signal transmitted from transmitter to receiver and corresponding receiver
10/05/1999US5963557 High capacity reservation multiple access network with multiple shared unidirectional paths
09/1999
09/28/1999US5960074 Mobile tele-computer network for motion picture, television and tv advertising production
09/28/1999US5959686 Apparatus and method for controlling sub monitors in a video communication system
08/1999
08/11/1999EP0688487A4 Method and apparatus for encoding/decoding broadcast or recorded segments and monitoring audience exposure thereto
08/10/1999US5937000 Method and apparatus for embedding auxiliary data in a primary data signal
08/03/1999US5933421 Method for frequency division duplex communications
08/03/1999CA2145571C Recovering analog and digital signals from superimposed analog and digital signals using linear prediction
06/1999
06/30/1999EP0712556A4 Dynamic radio communications system
05/1999
05/14/1999WO1999010993A3 Adaptive radio system
05/12/1999CN2318759Y Multiplexer capable of programming
04/1999
04/27/1999CA2156757C Spread-response precoding system for wireless transmission
04/22/1999WO1998035463A3 Method for frequency division duplex communications
04/21/1999CN1214581A Wavelength division multiplexed transmission system and transmitting method using the same
04/13/1999CA2126953C Dual port interface for a computer-based multifunction personal communication system
04/06/1999US5892772 Spatial reuse by means of dual homing on a ring network
03/1999
03/31/1999EP0905920A2 Multiple antenna communication system and method thereof
03/04/1999WO1999010993A2 Adaptive radio system
01/1999
01/26/1999CA2126927C Noncompressed voice and data communication over modem for a computer-based multifunction personal communications system
01/21/1999WO1999003211A1 Method for estimating the angular dispersion of a signal transmitted by a transmitter to a receiver and corresponding receiver
01/21/1999CA2265440A1 Method for estimating the angular dispersion of a signal transmitted by a transmitter to a receiver and corresponding receiver
01/13/1999EP0891049A1 Method for the estimation of the angular spread of a signal transmitted from a transmitter to a receiver and corresponding receiver
01/05/1999US5856971 Code division multiple access system providing variable data rate access to a user
11/1998
11/04/1998CN1198275A Method and apparatus for transporting auxiliary data in audio signals
10/1998
10/22/1998WO1998047236A1 Method and apparatus for reserving resources of one or more multiple access communication channels
10/13/1998US5822360 Method and apparatus for transporting auxiliary data in audio signals
09/1998
09/29/1998CA2083776C Digital communication system using superposed transmission of high speed and low speed digital signals
09/22/1998CA2106118C Method and devices for transmitting two heterochronous binary signals simultaneously over the same medium
09/09/1998EP0484330B1 Digital added main line system
09/03/1998WO1998027504A3 Method and apparatus for embedding auxiliary data in a primary data signal
08/1998
08/13/1998WO1998035463A2 Method for frequency division duplex communications
07/1998
07/08/1998EP0852086A1 Method and apparatus for transporting auxiliary data in audio signals
06/1998
06/25/1998WO1998027504A2 Method and apparatus for embedding auxiliary data in a primary data signal
06/25/1998CA2273993A1 Method and apparatus for embedding auxiliary data in a primary data signal
06/24/1998EP0849971A2 Digital added main line system
06/09/1998US5764628 Dual port interface for communication between a voice-over-data system and a conventional voice system
03/1998
03/26/1998WO1998012832A1 A mobile tele-computer network for motion picture, television and tv advertising production
03/10/1998US5727033 Symbol error based power control for mobile telecommunication system
01/1998
01/15/1998WO1998001972A1 Method for transmission in autonomous packet radio networks
01/07/1998EP0817401A2 Wireless communications system having a layered space-time architecture employing multi-element antennas
11/1997
11/25/1997US5691832 Coherence multiplexed transmission system
11/18/1997US5689529 Communications method and apparatus for digital information
10/1997
10/30/1997WO1997040596A1 Modulation method and apparatus for digital communications
06/1997
06/24/1997US5642379 Technique for modulating orthogonal signals with one or more analog or digital signals
06/17/1997US5640422 Digital communications modulation method and apparatus
06/11/1997EP0425606B1 Mixed modulation level communication system
05/1997
05/06/1997US5627833 Digital added main line system with power-up and power-down features
04/1997
04/29/1997US5625642 Spread-response precoding system having signature sequences longer than the inter-symbol time interval
04/08/1997US5619508 Dual port interface for a computer-based multifunction personal communication system
04/03/1997WO1997012466A1 Apparatus and method for digital information transfer
04/03/1997WO1997012465A1 Communications method and apparatus for digital information
04/03/1997WO1997012464A1 Digital communications modulation method and apparatus
03/1997
03/19/1997EP0555215B1 Multichannel data compressor
03/13/1997WO1997009797A1 Method and apparatus for transporting auxiliary data in audio signals
03/13/1997CA2231239A1 Method and apparatus for transporting auxiliary data in audio signals
11/1996
11/26/1996US5579124 Method and apparatus for encoding/decoding broadcast or recorded segments and monitoring audience exposure thereto
10/1996
10/08/1996US5563939 Method and system for delivering a communication service
08/1996
08/27/1996US5550859 Recovering analog and digital signals from superimposed analog and digital signals using linear prediction
06/1996
06/05/1996EP0715423A1 Symbol error based power control for mobile telecommunication system
05/1996
05/29/1996EP0714185A2 Method for simultaneous transmission of digital audio (DAB) and analog television on the same channel
05/22/1996EP0712556A1 Dynamic radio communications system
05/14/1996US5517528 Modulation method and apparatus for digital communications
05/08/1996CN1122075A Recovering analog and digital signals from superimiposed analog and digital signals using linear prediction
04/1996
04/17/1996EP0707387A2 Spread-response precoding system for wireless transmission
04/09/1996US5506903 Digital multiplex transmission system
01/1996
01/31/1996CN1115929A Direct signaling system for narrowband communications networks
01/17/1996CN1115141A A signaling system for broadband communications networks
01/11/1996DE4441606C1 Transmitting digital data stream
12/1995
12/27/1995EP0688487A1 Method and apparatus for encoding/decoding broadcast or recorded segments and monitoring audience exposure thereto
12/05/1995US5473679 Signaling system for broadband communications networks
12/05/1995US5473613 Digital added main line system
11/1995
11/21/1995US5469430 Method and devices for simultaneous transmission of two heterochronous binary signals on the same transmission medium
11/15/1995EP0682423A2 Code division multiple access system providing variable data rate access to a user
11/02/1995EP0680169A2 Recovering analog and digital signals from superimposed analog and digital signals using linear prediction
10/1995
10/17/1995US5459730 Digital added main line system
10/17/1995US5459729 Digital added main line system
09/1995
09/26/1995US5453986 Dual port interface for a computer-based multifunction personal communication system
08/1995
08/30/1995EP0669749A1 Noncompressed voice and data communication over modem for a computer-based multifunction personal communications system
08/15/1995US5442625 Code division multiple access system providing variable data rate access to a user
08/09/1995CN1029499C Digital added main line system
08/02/1995CN1106179A Mainline system addite with digital communication mens
06/1995
06/14/1995EP0658063A2 A signaling system for broadband communications networks
06/14/1995EP0658061A2 Signalling system for independent communications networks
06/07/1995EP0656718A2 Dual port interface for a computer-based multifunction personal communication system
04/1995
04/11/1995US5406551 Method and apparatus for digital signal transmission using orthogonal frequency division multiplexing
04/05/1995CN1101191A Intelligent communication quick-dividing multi-transmission technology
03/1995
03/07/1995CA1334685C Multiplexed digital packet telephone system
02/1995
02/15/1995EP0639011A1 Coherence multiplexed transmission system
02/09/1995WO1995004415A1 Dynamic radio communications system
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