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H04Q2213/36
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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
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H04Q2213/36
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Patents Grants
last 30 patents
Information
Patent Grant
Time synchronization system, receiving server and time synchronizat...
Patent number
12,225,103
Issue date
Feb 11, 2025
Nippon Telegraph and Telephone Corporation
Kei Fujimoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication method and optical module
Patent number
11,876,884
Issue date
Jan 16, 2024
Huawei Technologies Co., Ltd.
Yunlei Qi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Systems and methods for switching zero charge callers
Patent number
11,622,248
Issue date
Apr 4, 2023
Starlogik IP LLC
Ari Kahn
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
ISDN adapter card for a computer
Patent number
5,796,958
Issue date
Aug 18, 1998
Elsa GmbH
Ralf Koenzen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for the enlargement of the reach of the transm...
Patent number
5,673,258
Issue date
Sep 30, 1997
DTM Data TeleMark GmbH
Klaus Helbig
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Adaptive video subscriber system and methods for its use
Patent number
5,644,355
Issue date
Jul 1, 1997
Intelligent Instruments Corporation
Mark Christopher Koz
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
ISDN interface unit
Patent number
5,638,373
Issue date
Jun 10, 1997
Fujitsu Limited
Tomoyoshi Takebayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Data distribution system and methods for its use
Patent number
5,594,730
Issue date
Jan 14, 1997
Mark C. Koz
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
ISDN audiovisual teleservices interface subsystem
Patent number
5,566,301
Issue date
Oct 15, 1996
FutureTel, Inc.
Mark C. Koz
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
ISDN interface unit with separate ring generator
Patent number
5,563,943
Issue date
Oct 8, 1996
Fujitsu Limited
Tomoyoshi Takebayashi
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
Telecommunication terminal operating at alternative data throughput...
Patent number
5,517,490
Issue date
May 14, 1996
Societe d'Applications Generales d'Electricite et de Mecanique Sagem
Philippe Charbonnier
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Teleconference terminal
Patent number
5,512,938
Issue date
Apr 30, 1996
Matsushita Electric Industrial Co., Ltd.
Kenzo Ohno
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
ISDN terminal adapter using reduced memory for timing difference co...
Patent number
5,506,845
Issue date
Apr 9, 1996
NEC Corporation
Yoshiyuki Kamishima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for high-speed data exchange
Patent number
5,461,620
Issue date
Oct 24, 1995
Alcatel N.V.
Frank Bergler
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
ISDN interface unit
Patent number
5,450,412
Issue date
Sep 12, 1995
Fujitsu Limited
Tomoyoshi Takebayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
V.110 communication protocol fractional rate adapter for an ISDN ne...
Patent number
5,448,560
Issue date
Sep 5, 1995
ITRI
Chi-Chang Chen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Device for synchronizing system clock using detected synchromizatio...
Patent number
5,432,791
Issue date
Jul 11, 1995
Mitel Corporation
Ed Gancarcik
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Arrangement for synchronizing a plurality of base stations
Patent number
5,388,102
Issue date
Feb 7, 1995
AT&T Corp.
Gary L. Griffith
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
Interface for a data telephone and data terminal in a digital telep...
Patent number
5,317,630
Issue date
May 31, 1994
AT&T Bell Laboratories
Lee A. Feinberg
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
ISDN user-network interface system
Patent number
5,309,440
Issue date
May 3, 1994
Kokusai Denshin Denwa Kabushiki Kaisha
Hajime Nakamura
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
Method of bit rate adaption using the ECMA 102 protocol
Patent number
5,251,313
Issue date
Oct 5, 1993
AG Communication Systems Corporation
John W. Spenik
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Data multiplexing and separation method
Patent number
5,228,033
Issue date
Jul 13, 1993
Ricoh Company, Ltd.
Fusakichi Okouchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
ISDN multimedia communications system
Patent number
5,206,859
Issue date
Apr 27, 1993
NEC Corporation
Masaki Anzai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Network terminating terminal apparatus for integrated services digi...
Patent number
5,204,860
Issue date
Apr 20, 1993
Northern Telecom Limited
Thomas C. Sparks
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Equalizer for ISDN-U interface
Patent number
4,995,031
Issue date
Feb 19, 1991
Northern Telecom Limited
Sami A. H. Aly
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
Master/slave synchronizer
Patent number
4,860,285
Issue date
Aug 22, 1989
Advanced Micro Devices, Inc.
Merle L. Miller
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
SYSTEMS AND METHODS FOR SWITCHING ZERO CHARGE CALLERS
Publication number
20240031783
Publication date
Jan 25, 2024
Starlogik IP LLC
Ari Kahn
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SYSTEMS AND METHODS FOR SWITCHING ZERO CHARGE CALLERS
Publication number
20220030398
Publication date
Jan 27, 2022
Ari Kahn
H04 - ELECTRIC COMMUNICATION TECHNIQUE