H04J - Multiplex communication

More topics under "H04J - Multiplex communication" (162,303)
H04J 1 - Frequency-division multiplex systems (15,293)
H04J 11 - Orthogonal multiplex systems (25,498)
H04J 13 - Code division multiplex systems (21,510)
H04J 14 - Optical multiplex systems (27,009)
H04J 3 - Time-division multiplex systems (63,408)
H04J 4 - Combined time-division and frequency-division multiplex systems (1,442)
H04J 7 - Multiplex systems in which the amplitudes or durations of the signals in individual channels are characteristic of those channels (369)
H04J 9 - Multiplex systems in which each channel is represented by a different type of modulation of the carrier (524)
H04J 99 - Subject matter not provided for in other groups of this subclass (7,250)

Patents for H04J - Multiplex communication (421)
04/1996
04/04/1996	WO1996010305A2 Data transmission method in a tdma mobile communication system
01/1996
01/17/1996	EP0692919A1 Uplink-frame at the transcoder-base-station interface in a mobile cellular radio communication network
06/1995
06/20/1995	US5426672 Process and device for timing recovery
08/1994
08/17/1994	EP0515376B1 Process and device for beat recovery
12/1993
12/01/1993	EP0333715B1 Input/output network for computer system
07/1993
07/07/1993	EP0549591A1 Phase locking circuit for jitter reduction in a digital multiplex system
12/1992
12/02/1992	EP0515376A1 Process and device for beat recovery.
01/1992
01/11/1992	WO1992001344A1 Phase locking circuit for jitter reduction in a digital multiplex system
12/1991
12/31/1991	CA1293820C Input/output network for computer system
10/1991
10/28/1991	WO1999055036A2 Methods and apparatuses for allocating time slots to circuit-switched channels
08/1991
08/17/1991	WO1991012678A1 Process and device for beat recovery
07/1990
07/10/1990	US4941089 Input/output network for computer system
01/1990
01/30/1990	CA1265269A1 Tdm communication system for efficient spectrum utilization
09/1989
09/13/1989	CN1035596A Passive universal communication
08/1988
08/09/1988	US4763322 Digital radio transmission system with variable duration of the time slots in the time-division multiplex frame
06/1988
06/16/1988	WO1988004511A1 Input/output network for computer system
02/1987
02/04/1987	EP0210698A2 Radio transmission system with a variable time slot duration in a time division multiplex frame
06/1986
06/11/1986	EP0183926A2 Method for the transmission of digital information in a radiotelephone network
03/1982
03/09/1982	CA1119687A1 Multiplex control system for vehicles
08/1981
08/25/1981	CA1107822A1 System and method of modulation and demodulation for optical fibre digital transmission
05/1980
05/06/1980	US4201909 Data-transmission system and method using fiber-optical transmission

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