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H04Q2213/299
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H
ELECTRICITY
H04
Electric communication
H04Q
SELECTING
H04Q2213/00
Indexing scheme relating to selecting arrangements in general and for multiplex systems
Current Industry
H04Q2213/299
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Patents Grants
last 30 patents
Information
Patent Grant
Digital telephone switching system having plural terminal devices d...
Patent number
5,719,855
Issue date
Feb 17, 1998
Hitachi Telecom Technologies, Ltd.
Tatsuhiko Ando
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Bus line traffic control adapter apparatus
Patent number
5,668,799
Issue date
Sep 16, 1997
NEC Corporation
Hiroyuki Nobesawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication method and apparatus
Patent number
5,555,294
Issue date
Sep 10, 1996
Canon Kabushiki Kaisha
Shintaro Abe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for multiple access in a digital communication system
Patent number
5,544,158
Issue date
Aug 6, 1996
Mitel Corporation
Dan Oprea
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Voice bus for a computer backplane
Patent number
5,495,583
Issue date
Feb 27, 1996
Northern Telecom Limited
Bruce L. Townsend
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wiring scheme and network adapter with digital and analog outputs t...
Patent number
5,448,635
Issue date
Sep 5, 1995
International Business Machines Corporation
Robert E. Biehl
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Subscriber module for connection to a plurality of subscriber termi...
Patent number
5,404,491
Issue date
Apr 4, 1995
Alcatel N.V.
Richard Huzenlaub
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Homebus system for permitting homebus equipment and ISDN basic inte...
Patent number
5,379,441
Issue date
Jan 3, 1995
Matsushita Electric Industrial Co., Ltd.
Kazuhiro Watanabe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for data transmission over an internal bus of a workstation,...
Patent number
5,371,740
Issue date
Dec 6, 1994
Bull, S.A.
Alain Mouro
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multiple communication speed converting apparatus
Patent number
5,369,636
Issue date
Nov 29, 1994
NEC Corporation
Chikako Ueno
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus for interfacing analog telephones and digital data termin...
Patent number
5,305,312
Issue date
Apr 19, 1994
AT&T Bell Laboratories
Martin J. Fornek
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for data transmission over an internal bus of a workstation...
Patent number
5,289,465
Issue date
Feb 22, 1994
Bull S.A.
Alain Mouro
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Low cost ISDN switch
Patent number
5,210,741
Issue date
May 11, 1993
Digital Equipment Corporation
Robert J. Grochmal
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Signal detection circuit not affected by minute voltage fluctuation...
Patent number
5,050,190
Issue date
Sep 17, 1991
Mitsubishi Denki Kabushiki Kaisha
Hiromi Shimada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Microcomputer integrating a digital subscriber terminal for an inte...
Patent number
5,014,269
Issue date
May 7, 1991
J. S. Telecommunications
Jean A. Picandet
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
ISDN dual bus extension phone system
Patent number
4,998,274
Issue date
Mar 5, 1991
Bell Communications Research, Inc.
Robert M. Ephraim
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
ISDN, basic rate interface arranged for quad voice
Patent number
4,970,723
Issue date
Nov 13, 1990
AT&T Bell Laboratories
T. P. Lin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
DC supply for an S-bus in ISDN
Patent number
4,935,928
Issue date
Jun 19, 1990
AT&T Bell Laboratories
Jan De Weerd
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Passive bus communication using alternate CRC
Patent number
4,891,813
Issue date
Jan 2, 1990
Racal Data Communications Inc.
Rafael E. Salcedo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Master/slave synchronizer
Patent number
4,860,285
Issue date
Aug 22, 1989
Advanced Micro Devices, Inc.
Merle L. Miller
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Passive bus communication for ISDN
Patent number
4,835,769
Issue date
May 30, 1989
Racal Data Communications Inc.
Norman J. Donaghue
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Local communication system among ISDN terminal equipments
Patent number
4,792,800
Issue date
Dec 20, 1988
Kobusai Denshin Denwa Co., Ltd.
Masanobu Fujioka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
ISDN subscriber terminal control system
Patent number
4,722,082
Issue date
Jan 26, 1988
Kokusai Denshin Denwa Co., Ltd.
Nobuo Furuya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents