Key telephone systems

Industry

CPC
H04Q2213/13334

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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

H04Q2213/13334Key telephone systems

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Systems and methods for thermal mitigation with multiple processors
- Patent number 9,459,879
- Issue date Oct 4, 2016
- QUALCOMM Incorporated
- Sudhendra Kumar Gupta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Power saving for broadband communications devices
- Patent number 9,032,231
- Issue date May 12, 2015
- ARRIS Enterprises, Inc.
- Russell L. Crisp
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone communication system over a single telephone line
- Patent number 8,559,422
- Issue date Oct 15, 2013
- MOSAID Technologies Incorporated
- Yehuda Binder
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone communication system over a single telephone line
- Patent number 8,223,800
- Issue date Jul 17, 2012
- Mosaid Technologies Incorporated
- Yehuda Binder
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone communication system over a single telephone line
- Patent number 8,000,349
- Issue date Aug 16, 2011
- MOSAID Technologies Incorporated
- Yehuda Binder
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Adapter unit and method
- Patent number 7,702,079
- Issue date Apr 20, 2010
- Siemens Aktiengesellschaft
- Stephan Schaade
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone communication system over a single telephone line
- Patent number 7,593,394
- Issue date Sep 22, 2009
- MOSAID Technologies Incorporated
- Yehuda Binder
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone communication system over a single telephone line
- Patent number 7,466,722
- Issue date Dec 16, 2008
- Serconet Ltd.
- Yehuda Binder
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone communication system over a single telephone line
- Patent number 7,397,791
- Issue date Jul 8, 2008
- Serconet, Ltd.
- Yehuda Binder
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone communication system over a single telephone line
- Patent number 7,274,688
- Issue date Sep 25, 2007
- SerCoNet Ltd.
- Yehuda Binder
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone communication system over a single telephone line
- Patent number 7,197,028
- Issue date Mar 27, 2007
- SerCoNet Ltd.
- Yehuda Binder
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Key telephone system, key telephone, interface unit, and transmissi...
- Patent number 7,194,074
- Issue date Mar 20, 2007
- Kabushiki Kaisha Toshiba
- Norimasa Niiya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone communication system over a single telephone line
- Patent number 7,106,721
- Issue date Sep 12, 2006
- Serconet, Ltd.
- Yehuda Binder
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multifunction telephone and multifunction telephone switching syste...
- Patent number 7,085,589
- Issue date Aug 1, 2006
- NEC Infrontia Corporation
- Asumaru Tezuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Process for transmitting a telephone number of a desired subscriber...
- Patent number 6,944,283
- Issue date Sep 13, 2005
- Alcatel
- Johann Klein
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone exchange apparatus
- Patent number 6,731,721
- Issue date May 4, 2004
- Kabuhsiki Kaisha Toshiba
- Toshiaki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electronic exchange and key telephone system
- Patent number 6,687,361
- Issue date Feb 3, 2004
- Kabushiki Kaisha Toshiba
- Tamotsu Wakabayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voice coding conversion circuit between office exchange and ISDN ke...
- Patent number 6,647,023
- Issue date Nov 11, 2003
- Samsung Electronics Co., Ltd.
- Hyung-Gon Lee
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Digital key telephone system and extension terminal device thereof
- Patent number 6,633,631
- Issue date Oct 14, 2003
- Kabushiki Kaisha Toshiba
- Toshiaki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
DNIC peripheral extender
- Patent number 6,628,776
- Issue date Sep 30, 2003
- Mitel Networks Corporation
- Gordon Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital key telephone system and extension terminal device thereof
- Patent number 6,496,576
- Issue date Dec 17, 2002
- Kabushiki Kaisha Toshiba
- Toshiaki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for providing information services in characters through ISDN
- Patent number 6,480,583
- Issue date Nov 12, 2002
- Samsung Electronics Co., Ltd.
- Tae-Gyu Kim
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Integration of stimulus signalling protocol communication systems a...
- Patent number 6,470,020
- Issue date Oct 22, 2002
- Nortel Networks Limited
- Iain William Barker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital key telephone system and extension terminal device thereof
- Patent number 6,456,705
- Issue date Sep 24, 2002
- Kabushiki Kaisha Toshiba
- Toshiaki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods and apparatus for originating voice calls
- Patent number 6,430,282
- Issue date Aug 6, 2002
- Nortel Networks Limited
- Cecil H. Bannister
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital key telephone system and extension terminal device thereof
- Patent number 6,408,060
- Issue date Jun 18, 2002
- Kabushiki Kaisha Toshiba
- Toshiaki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital key telephone system and extension terminal device thereof
- Patent number 6,377,671
- Issue date Apr 23, 2002
- Kabushiki Kaisha Toshiba
- Toshiaki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital key telephone system and extension terminal device thereof
- Patent number 6,373,924
- Issue date Apr 16, 2002
- Kabushiki Kaisha Toshiba
- Toshiaki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Exchange
- Patent number 6,295,349
- Issue date Sep 25, 2001
- Oki Electric Industry Co., Ltd.
- Masayasu Nakamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Key telephone system with cordless terminals
- Patent number 6,289,089
- Issue date Sep 11, 2001
- Siemens Schweiz AG
- Eugen Rippstein
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SYSTEMS AND METHODS FOR THERMAL MITIGATION WITH MULTIPLE PROCESSORS
- Publication number 20130332720
- Publication date Dec 12, 2013
- QUALCOMM Incorporated
- Sudhendra Kumar Gupta
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
TELEPHONE COMMUNICATION SYSTEM OVER A SINGLE TELEPHONE LINE
- Publication number 20120307990
- Publication date Dec 6, 2012
- MOSAID TECHNOLOGIES INCORPORATED
- Yehuda Binder
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Telephone communication system over a single telephone line
- Publication number 20080232579
- Publication date Sep 25, 2008
- Serconet Ltd.
- Yehuda Binder
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and method for selectively coupling various communication de...
- Publication number 20080212570
- Publication date Sep 4, 2008
- Scanner Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TELEPHONE COMMUNICATION SYSTEM OVER A SINGLE TELEPHONE LINE
- Publication number 20080043646
- Publication date Feb 21, 2008
- Serconet Ltd.
- Yehuda Binder
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TELEPHONE COMMUNICATION SYSTEM OVER A SINGLE TELEPHONE LINE
- Publication number 20080013529
- Publication date Jan 17, 2008
- Serconet Ltd.
- Yehuda Binder
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Adapter unit and method
- Publication number 20070115946
- Publication date May 24, 2007
- Stephan Schaade
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Telephone communication system over a single telephone line
- Publication number 20060182095
- Publication date Aug 17, 2006
- Serconet Ltd.
- Yehuda Binder
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Telephone communication system over a single telephone line
- Publication number 20060182094
- Publication date Aug 17, 2006
- Serconet Ltd.
- Yehuda Binder
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Telephone communication system over a single telephone line
- Publication number 20050117603
- Publication date Jun 2, 2005
- Serconet, Ltd.
- Yehuda Binder
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Telephone communication system over a single telephone line
- Publication number 20050008033
- Publication date Jan 13, 2005
- Serconet Ltd.
- Yehuda Binder
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Key telephone system, key telephone, interface unit, and transmissi...
- Publication number 20020126816
- Publication date Sep 12, 2002
- Kabushiki Kaisha Toshiba
- Norimasa Niiya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Telephone exchange apparatus
- Publication number 20010028702
- Publication date Oct 11, 2001
- Kabushiki Kaisha Toshiba
- Toshiaki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Digital key telephone system and extension terminal device thereof
- Publication number 20010028708
- Publication date Oct 11, 2001
- Kabushiki Kaisha Toshiba
- Toshiaki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Digital key telephone system and extension terminal device thereof
- Publication number 20010026611
- Publication date Oct 4, 2001
- Kabushiki Kaisha Toshiba
- Toshiaki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Digital key telephone system and extension terminal device thereof
- Publication number 20010024493
- Publication date Sep 27, 2001
- Kabushiki Kaisha Toshiba
- Toshiaki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Digital key telephone system and extension terminal device thereof
- Publication number 20010024494
- Publication date Sep 27, 2001
- Kabushiki Kaisha Toshiba
- Toshiaki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Digital key telephone system and extension terminal device thereof
- Publication number 20010024492
- Publication date Sep 27, 2001
- Toshiaki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Key telephone systems

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Systems and methods for thermal mitigation with multiple processors

Power saving for broadband communications devices

Telephone communication system over a single telephone line

Telephone communication system over a single telephone line

Telephone communication system over a single telephone line

Adapter unit and method

Telephone communication system over a single telephone line

Telephone communication system over a single telephone line

Telephone communication system over a single telephone line

Telephone communication system over a single telephone line

Telephone communication system over a single telephone line

Key telephone system, key telephone, interface unit, and transmissi...

Telephone communication system over a single telephone line

Multifunction telephone and multifunction telephone switching syste...

Process for transmitting a telephone number of a desired subscriber...

Telephone exchange apparatus

Electronic exchange and key telephone system

Voice coding conversion circuit between office exchange and ISDN ke...

Digital key telephone system and extension terminal device thereof

DNIC peripheral extender

Digital key telephone system and extension terminal device thereof

Method for providing information services in characters through ISDN

Integration of stimulus signalling protocol communication systems a...

Digital key telephone system and extension terminal device thereof

Methods and apparatus for originating voice calls

Digital key telephone system and extension terminal device thereof

Digital key telephone system and extension terminal device thereof

Digital key telephone system and extension terminal device thereof

Exchange

Key telephone system with cordless terminals

Patents Applicationslast 30 patents

SYSTEMS AND METHODS FOR THERMAL MITIGATION WITH MULTIPLE PROCESSORS

TELEPHONE COMMUNICATION SYSTEM OVER A SINGLE TELEPHONE LINE

Telephone communication system over a single telephone line

System and method for selectively coupling various communication de...

TELEPHONE COMMUNICATION SYSTEM OVER A SINGLE TELEPHONE LINE

TELEPHONE COMMUNICATION SYSTEM OVER A SINGLE TELEPHONE LINE

Adapter unit and method

Telephone communication system over a single telephone line

Telephone communication system over a single telephone line

Telephone communication system over a single telephone line

Telephone communication system over a single telephone line

Key telephone system, key telephone, interface unit, and transmissi...

Telephone exchange apparatus

Digital key telephone system and extension terminal device thereof

Digital key telephone system and extension terminal device thereof

Digital key telephone system and extension terminal device thereof

Digital key telephone system and extension terminal device thereof

Digital key telephone system and extension terminal device thereof