Echo-cancelling Hybrid Amplifier Attenuator

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CPC
H04Q2213/19

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Parent Industries

HELECTRICITY H04Electric communication H04QSELECTING H04Q2213/00Indexing scheme relating to selecting arrangements in general and for multiplex systems

Current Industry

H04Q2213/19Echo-cancelling Hybrid Amplifier Attenuator

Industries

Patents Grantslast 30 patents

Information Patent Grant
Full-duplex communication over a shared transmission medium
- Patent number 10,200,167
- Issue date Feb 5, 2019
- Alcatel Lucent
- Werner Coomans
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Core wireless engine
- Patent number 7,505,781
- Issue date Mar 17, 2009
- Sierra Wireless, Inc.
- Ronald John Vanderhelm
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Facsimile system
- Patent number 7,110,134
- Issue date Sep 19, 2006
- Canon Kabushiki Kaisha
- Keiichi Iimoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Facsimile system
- Patent number 6,608,696
- Issue date Aug 19, 2003
- Canon Kabushiki Kaisha
- Keiichi Iimoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Facsimile system
- Patent number 6,157,463
- Issue date Dec 5, 2000
- Canon Kabushiki Kaisha
- Eiichiro Kitagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voice level controller
- Patent number 5,838,785
- Issue date Nov 17, 1998
- Canon Kabushiki Kaisha
- Osamu Hirata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital communication device
- Patent number 5,818,870
- Issue date Oct 6, 1998
- Canon Kabushiki Kaisha
- Tatsuya Yaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for establishing data connections in an auxiliary exchange c...
- Patent number 5,715,300
- Issue date Feb 3, 1998
- Siemens Aktiengesellschaft
- Roger Lybeer
- 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
Communications system for an ISDN and a LAN, and an ISDN-LAN connec...
- Patent number 5,400,335
- Issue date Mar 21, 1995
- Ricoh Company, Ltd.
- Toshiaki Yamada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for billing an ISDN data user interconnection to...
- Patent number 5,351,286
- Issue date Sep 27, 1994
- Bell Communications Research, Inc.
- Richard J. Nici
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
ISDN terminal adapter for access from analog signal equipment of fo...
- Patent number 5,341,418
- Issue date Aug 23, 1994
- NEC Corporation
- Atsushi Yoshida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication device between a digital network and a telematic equi...
- Patent number 5,331,640
- Issue date Jul 19, 1994
- Omnitel
- Jacques Ledu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Terminal adapter pooling system for ISDN
- Patent number 5,319,700
- Issue date Jun 7, 1994
- Kabushiki Kaisha Toshiba
- Hiroshi Mano
- 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
Enhanced call-back authentication method and apparatus for remotely...
- Patent number 5,280,581
- Issue date Jan 18, 1994
- Hughes Aircraft Company
- Erwin W. Bathrick
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Subscriber line interface circuit for serving ISDN subscribers usin...
- Patent number 5,255,317
- Issue date Oct 19, 1993
- NEC Corporation
- Masanobu Arai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data communication apparatus having bandwidth selection capabilities
- Patent number 5,210,826
- Issue date May 11, 1993
- Canon Kabushiki Kaisha
- Takashi Takeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Facsimile apparatus
- Patent number 5,189,525
- Issue date Feb 23, 1993
- Canon Kabushiki Kaisha
- Takashi Kotani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data communication apparatus which can use either an analog or a di...
- Patent number 5,142,568
- Issue date Aug 25, 1992
- Canon Kabushiki Kaisha
- Yukihiko Ogata
- 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
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

Patents Applicationslast 30 patents

Information Patent Application
COMMUNICATION SYSTEM FOR MANAGING LEASED LINE NETWORK WITH WIRELESS...
- Publication number 20140269259
- Publication date Sep 18, 2014
- Sastry Vvr
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Facsimile system
- Publication number 20030202217
- Publication date Oct 30, 2003
- Canon Kabushiki Kaisha
- Keiichi Limoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Core Wireless engine
- Publication number 20030125082
- Publication date Jul 3, 2003
- Ronald John Vanderhelm
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Echo-cancelling Hybrid Amplifier Attenuator

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Full-duplex communication over a shared transmission medium

Core wireless engine

Facsimile system

Facsimile system

Facsimile system

Voice level controller

Digital communication device

Method for establishing data connections in an auxiliary exchange c...

Method for multiple access in a digital communication system

Communications system for an ISDN and a LAN, and an ISDN-LAN connec...

Method and system for billing an ISDN data user interconnection to...

ISDN terminal adapter for access from analog signal equipment of fo...

Communication device between a digital network and a telematic equi...

Terminal adapter pooling system for ISDN

ISDN user-network interface system

Enhanced call-back authentication method and apparatus for remotely...

Subscriber line interface circuit for serving ISDN subscribers usin...

Data communication apparatus having bandwidth selection capabilities

Facsimile apparatus

Data communication apparatus which can use either an analog or a di...

Signal detection circuit not affected by minute voltage fluctuation...

Equalizer for ISDN-U interface

Patents Applicationslast 30 patents

COMMUNICATION SYSTEM FOR MANAGING LEASED LINE NETWORK WITH WIRELESS...

Facsimile system

Core Wireless engine