Telephone sets using electrooptical means in the transmission path

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H04M1/003

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HELECTRICITY H04Electric communication H04MTELEPHONIC COMMUNICATION H04M1/00Substation equipment

Current Industry

H04M1/003Telephone sets using electrooptical means in the transmission path

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Patents Grantslast 30 patents

Information Patent Grant
RF radiohead with optical interconnection to baseband processor
- Patent number 12,108,496
- Issue date Oct 1, 2024
- Apple Inc.
- Rastislav Vazny
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
RF radiohead with optical interconnection to baseband processor
- Patent number 11,310,869
- Issue date Apr 19, 2022
- Apple Inc.
- Rastislav Vazny
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Shared secret arrangements and optical data transfer
- Patent number 9,847,976
- Issue date Dec 19, 2017
- Digimarc Corporation
- John D. Lord
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for a wireless optical link
- Patent number 9,048,959
- Issue date Jun 2, 2015
- Nokia Corporation
- Martti Voutilainen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Fiber optic earpiece to reduce radiation transmitted to a cell phon...
- Patent number 8,055,004
- Issue date Nov 8, 2011
- Amit J Ronen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multi-dwelling unit module for passive optical networks
- Patent number 7,660,409
- Issue date Feb 9, 2010
- Alcatel Lucent
- Richard Marion Czerwiec
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone line switch using an optocooupler
- Patent number 6,785,383
- Issue date Aug 31, 2004
- Fans Telecom, Inc.
- Yuan-Neng Fan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electronically switched optically coupled line interface
- Patent number 6,272,220
- Issue date Aug 7, 2001
- Sentient Communications, Inc.
- Darin Kincaid
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Combined loop current sink, battery detector, and ringing detector...
- Patent number 5,982,878
- Issue date Nov 9, 1999
- Hubbell Incorporated
- Jeffrey M. Davis
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Two-way optical communications system
- Patent number 5,305,133
- Issue date Apr 19, 1994
- British Telecommunications public limited company
- Anthony J. Cooper
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electro-optical converter
- Patent number 5,067,787
- Issue date Nov 26, 1991
- Aster Corporation
- Frederick J. Gillham
- G02 - OPTICS
Information Patent Grant
Electro-optical converter including ridgid support for optical fibe...
- Patent number 4,844,573
- Issue date Jul 4, 1989
- Aster Corporation
- Frederick J. Gillham
- G02 - OPTICS
Information Patent Grant
Optical communication apparatus and method for telephone supervisor...
- Patent number 4,817,204
- Issue date Mar 28, 1989
- Process Systems, Inc.
- Ralph J. Jannelli
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Fiber-optic distribution system for broadband signals
- Patent number 4,748,689
- Issue date May 31, 1988
- Alcatel, N.V.
- Friedemann Mohr
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone network coupler
- Patent number 4,727,535
- Issue date Feb 23, 1988
- Rapitech System Inc.
- Randy Brandt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical fiber bandwidth limiting method
- Patent number 4,696,063
- Issue date Sep 22, 1987
- Pacific Bell
- John J. Schembri
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical interface to an electrical central office
- Patent number 4,596,051
- Issue date Jun 17, 1986
- Nathan W. Feldman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Servo-linearized opto-electronic analog interface
- Patent number 4,591,663
- Issue date May 27, 1986
- Trad, Inc.
- Thomas W. Sullivan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical telephone
- Patent number 4,590,620
- Issue date May 20, 1986
- Nathan W. Feldman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Opto-coupler interfacing circuit
- Patent number 4,558,183
- Issue date Dec 10, 1985
- Cellutron Corporation
- C. James Corris
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
AC/DC Current divider circuit
- Patent number 4,479,066
- Issue date Oct 23, 1984
- AT&T Bell Laboratories
- Milton L. Embree
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System of optical telephony
- Patent number 4,330,869
- Issue date May 18, 1982
- Societe Anonyme dite: Compagnie Generale d'Electricite
- Jean Robieux
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Arrangement for signaling in a voice communication system with opti...
- Patent number 4,326,298
- Issue date Apr 20, 1982
- Siemens Aktiengesellschaft
- Ingrid Fromm
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Power supply system to terminal equipment through an optical fiber...
- Patent number 4,325,137
- Issue date Apr 13, 1982
- Kokusai Denshin Denwa Co., Ltd.
- Ikeda Yoshikazu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Opto-isolator hybrid circuit
- Patent number 4,313,225
- Issue date Jan 26, 1982
- Bell Telephone Laboratories, Incorporated
- Robert L. Carbrey
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal corrected optocoupled device
- Patent number 4,190,747
- Issue date Feb 26, 1980
- Bell Telephone Laboratories, Incorporated
- Alexander Feiner
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone set for optical fibers lines
- Patent number 4,187,404
- Issue date Feb 5, 1980
- Thomson-CSF
- Pierre Deman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optically encoded acoustic to digital transducer
- Patent number 4,016,556
- Issue date Apr 5, 1977
- GTE Laboratories Incorporated
- John E. Fulenwider
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
RF RADIOHEAD WITH OPTICAL INTERCONNECTION TO BASEBAND PROCESSOR
- Publication number 20220256649
- Publication date Aug 11, 2022
- Apple Inc.
- Rastislav Vazny
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SHARED SECRET ARRANGEMENTS AND OPTICAL DATA TRANSFER
- Publication number 20150215295
- Publication date Jul 30, 2015
- Digimarc Corporation
- John D. Lord
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR A WIRELESS OPTICAL LINK
- Publication number 20140086586
- Publication date Mar 27, 2014
- Nokia Corporation
- Martti VOUTILAINEN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SHARED SECRET ARRANGEMENTS AND OPTICAL DATA TRANSFER
- Publication number 20140057676
- Publication date Feb 27, 2014
- Digimarc Corporation
- John D. Lord
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Fiber Optic Terminals, Systems, and Methods for Network Service Man...
- Publication number 20110135307
- Publication date Jun 9, 2011
- Mark E. Conner
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Fiber optic earpiece to reduce radiation transmitted to a cell phon...
- Publication number 20080311967
- Publication date Dec 18, 2008
- Amit Ronen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Telephone line communication interface
- Publication number 20070121923
- Publication date May 31, 2007
- Tyco Safety Products Canada, Ltd.
- Reinhart Pildner
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Telephone line connection and disconnection circuit
- Publication number 20020122551
- Publication date Sep 5, 2002
- Yuan-Neng Fan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Telephone sets using electrooptical means in the transmission path

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

RF radiohead with optical interconnection to baseband processor

RF radiohead with optical interconnection to baseband processor

Shared secret arrangements and optical data transfer

Method and apparatus for a wireless optical link

Fiber optic earpiece to reduce radiation transmitted to a cell phon...

Multi-dwelling unit module for passive optical networks

Telephone line switch using an optocooupler

Electronically switched optically coupled line interface

Combined loop current sink, battery detector, and ringing detector...

Two-way optical communications system

Electro-optical converter

Electro-optical converter including ridgid support for optical fibe...

Optical communication apparatus and method for telephone supervisor...

Fiber-optic distribution system for broadband signals

Telephone network coupler

Optical fiber bandwidth limiting method

Optical interface to an electrical central office

Servo-linearized opto-electronic analog interface

Optical telephone

Opto-coupler interfacing circuit

AC/DC Current divider circuit

System of optical telephony

Arrangement for signaling in a voice communication system with opti...

Power supply system to terminal equipment through an optical fiber...

Opto-isolator hybrid circuit

Signal corrected optocoupled device

Telephone set for optical fibers lines

Optically encoded acoustic to digital transducer

Patents Applicationslast 30 patents

RF RADIOHEAD WITH OPTICAL INTERCONNECTION TO BASEBAND PROCESSOR

SHARED SECRET ARRANGEMENTS AND OPTICAL DATA TRANSFER

METHOD AND APPARATUS FOR A WIRELESS OPTICAL LINK

SHARED SECRET ARRANGEMENTS AND OPTICAL DATA TRANSFER

Fiber Optic Terminals, Systems, and Methods for Network Service Man...

Fiber optic earpiece to reduce radiation transmitted to a cell phon...

Telephone line communication interface

Telephone line connection and disconnection circuit