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H04B17/401
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H
ELECTRICITY
H04
Electric communication
H04B
TRANSMISSION
H04B17/00
Monitoring Testing
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H04B17/401
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Patents Grants
last 30 patents
Information
Patent Grant
Communication system, communication management method, and network...
Patent number
11,190,950
Issue date
Nov 30, 2021
Hitachi, Ltd.
Ryo Nakano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for multi-user multi-input multi-output transm...
Patent number
8,219,078
Issue date
Jul 10, 2012
IMEC
André Bourdoux
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for multi-user multi-input multi-output transm...
Patent number
7,961,809
Issue date
Jun 14, 2011
IMEC
André Bourdoux
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Network interface unit remote test pattern generation
Patent number
5,553,059
Issue date
Sep 3, 1996
Integrated Network Corporation
Earl A. Emerson
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Out-of-band loopback control scheme
Patent number
5,422,876
Issue date
Jun 6, 1995
Southwestern Bell Technology Resources, Inc.
Andy Turudic
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus for locating faults in a carrier subscriber communication...
Patent number
4,642,426
Issue date
Feb 10, 1987
GTE Communication Systems Corporation
Tom L. Blackburn
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Repeater for carrier subscriber communication system
Patent number
4,633,459
Issue date
Dec 30, 1986
GTE Communication Systems Corporation
Tom L. Blackburn
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Circuit arrangement and method for fault locating in conjunction wi...
Patent number
4,562,401
Issue date
Dec 31, 1985
Siemens Aktiengesellschaft
Alfred Ziegler
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
COMMUNICATION SYSTEM, COMMUNICATION MANAGEMENT METHOD, AND NETWORK...
Publication number
20210289365
Publication date
Sep 16, 2021
Hitachi, Ltd
Ryo NAKANO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR MULTI-USER MULTI-INPUT MULTI-OUTPUT TRANSM...
Publication number
20110317575
Publication date
Dec 29, 2011
IMEC
André Bourdoux
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and apparatus for multi-user multi-input multi-output transm...
Publication number
20040252632
Publication date
Dec 16, 2004
Andre Bourdoux
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Link restoration in a fixed wireless transmission network
Publication number
20030161261
Publication date
Aug 28, 2003
ALCATEL
Bernd X. Weis
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Subscriber loop repeater loopback for fault isolation
Publication number
20020061058
Publication date
May 23, 2002
SYMMETRICOM, INC.
Jeremy Sommer
H04 - ELECTRIC COMMUNICATION TECHNIQUE