Multiplex systems

Industry

CPC
H04M9/022

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Parent Industries

HELECTRICITY H04Electric communication H04MTELEPHONIC COMMUNICATION H04M9/00Interconnection arrangements not involving centralised switching

Current Industry

H04M9/022Multiplex systems

Industries

Patents Grantslast 30 patents

Information Patent Grant
Telephone adapter and telephone system providing multiple telephone...
- Patent number 6,453,040
- Issue date Sep 17, 2002
- Motorola, Inc.
- Timothy M. Burke
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Subscriber line multiplexer
- Patent number 6,212,204
- Issue date Apr 3, 2001
- Clayton S. Depue
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication network integrating voice data and video with distrib...
- Patent number 5,341,374
- Issue date Aug 23, 1994
- TriLAN Systems Corporation
- Ronald C. Lewen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for data transmission
- Patent number 4,855,995
- Issue date Aug 8, 1989
- Hitachi, Ltd.
- Kunio Hiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical local area network using a common optical carrier with sepa...
- Patent number 4,754,452
- Issue date Jun 28, 1988
- American Telephone and Telegraph Company, AT&T Bell Laboratories
- Paul S. Henry
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Broad band network system
- Patent number 4,564,940
- Issue date Jan 14, 1986
- Tokyo Shibaura Denki Kabushiki Kaisha
- Haruki Yahata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Private branch exchange having transmission channels commonly avail...
- Patent number 4,545,049
- Issue date Oct 1, 1985
- U.S. Philips Corporation
- Walter Kammerer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Key telephone system using time division and space division control
- Patent number 3,935,396
- Issue date Jan 27, 1976
- International Standard Electric Corporation
- John A. Barsellotti
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
3751595
- Patent number 3,751,595
- Issue date Aug 7, 1973
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
3647976
- Patent number 3,647,976
- Issue date Mar 7, 1972
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Digital subscriber line multiplexer
- Publication number 20010008534
- Publication date Jul 19, 2001
- Clayton S. Depue
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Multiplex systems

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Telephone adapter and telephone system providing multiple telephone...

Subscriber line multiplexer

Communication network integrating voice data and video with distrib...

Method and system for data transmission

Optical local area network using a common optical carrier with sepa...

Broad band network system

Private branch exchange having transmission channels commonly avail...

Key telephone system using time division and space division control

3751595

3647976

Patents Applicationslast 30 patents

Digital subscriber line multiplexer