using opto-couplers

Industry

CPC
H04B1/587

This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

HELECTRICITY H04Electric communication H04BTRANSMISSION H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00 Details of transmission systems not characterised by the medium used for transmission

Current Industry

H04B1/587using opto-couplers

Industries

Patents Grantslast 30 patents

Information Patent Grant
System for electrical stimulation during functional MRI
- Patent number 11,554,261
- Issue date Jan 17, 2023
- Roskilde/Køge Hospital
- Anders Ohlhues Baandrup
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Opto-isolator with correction circuit
- Patent number 9,191,124
- Issue date Nov 17, 2015
- Avago Technologies General IP (Singapore) Pte. Ltd.
- Gopinath Maasi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Linear, optical coupled line impedance circuit
- Patent number 6,400,822
- Issue date Jun 4, 2002
- Texas Instruments Incorporated
- Uzoma Olugbo Anozie
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data access arrangement having improved transmit-receive separation
- Patent number 6,282,001
- Issue date Aug 28, 2001
- Infineon Technologies North America Corp.
- David Whitney
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data access arrangement having improved transmit-receive separation
- Patent number 5,742,417
- Issue date Apr 21, 1998
- Siemens Components, Inc.
- David Whitney
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Hybrid circuit and data communication apparatus
- Patent number 5,734,703
- Issue date Mar 31, 1998
- Hitachi Maxell, Ltd.
- Yuichiro Hiyoshi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data access arrangement having improved transmit-receive separation
- Patent number 5,579,144
- Issue date Nov 26, 1996
- Siemens Components, Inc.
- David Whitney
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transformerless hybrid circuit having direct powered line-side ampl...
- Patent number 5,528,686
- Issue date Jun 18, 1996
- AT&T Corp.
- Donald T. Cwynar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transformerless hybrid circuit
- Patent number 5,528,685
- Issue date Jun 18, 1996
- AT&T Corp.
- Donald T. Cwynar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Solid state isolation device using opto-isolators
- Patent number 5,465,298
- Issue date Nov 7, 1995
- Cermetek Microelectronics
- Dennis E. Wilkison
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transformer-less hybrid circuit
- Patent number 5,280,526
- Issue date Jan 18, 1994
- AT&T Bell Laboratories
- Donald R. Laturell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electronic external line repeater
- Patent number 4,560,843
- Issue date Dec 24, 1985
- Telefonaktiebolaget LM Ericsson
- Lars A. Lenell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Trunk circuit with single coupling transformer
- Patent number 4,321,431
- Issue date Mar 23, 1982
- Mitel Corporation
- Patrick R. Beirne
- 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
Transformerless trunk circuit
- Patent number 4,182,936
- Issue date Jan 8, 1980
- Mitel Corporation
- Patrick R. Beirne
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Interface circuit and method for telephone extension lines
- Patent number 4,142,075
- Issue date Feb 27, 1979
- Burr-Brown Research Corporation
- Wilfred W. Olschewski
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electronic hybrid circuit for connecting a two-wire line to switchi...
- Patent number 4,086,447
- Issue date Apr 25, 1978
- International Business Machines Corporation
- Hans Rudolf Schindler
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electric two-to-four wire conversion circuit for use in telephone s...
- Patent number 4,039,766
- Issue date Aug 2, 1977
- Jeumont-Schneider
- Jean A. Picandet
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optically coupled two-wire to four-wire hybrid lines
- Patent number 3,987,257
- Issue date Oct 19, 1976
- International Telephone and Telegraph Corporation
- Harry Place
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
BROADBAND HIGH POWER TRX HYBRID IMPLEMENTATION
- Publication number 20240063843
- Publication date Feb 22, 2024
- INFINEON TECHNOLOGIES AG
- Ruediger Bauder
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM FOR ELECTRICAL STIMULATION DURING FUNCTIONAL MRI
- Publication number 20200282209
- Publication date Sep 10, 2020
- Roskilde/Køge Hospital
- Anders Ohlhues Baandrup
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Opto-Isolator With Correction Circuit
- Publication number 20140119739
- Publication date May 1, 2014
- Avago Technologies General IP (Singapore) PTE. LTD.
- Gopinath Maasi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

using opto-couplers

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

System for electrical stimulation during functional MRI

Opto-isolator with correction circuit

Linear, optical coupled line impedance circuit

Data access arrangement having improved transmit-receive separation

Data access arrangement having improved transmit-receive separation

Hybrid circuit and data communication apparatus

Data access arrangement having improved transmit-receive separation

Transformerless hybrid circuit having direct powered line-side ampl...

Transformerless hybrid circuit

Solid state isolation device using opto-isolators

Transformer-less hybrid circuit

Electronic external line repeater

Trunk circuit with single coupling transformer

Opto-isolator hybrid circuit

Signal corrected optocoupled device

Transformerless trunk circuit

Interface circuit and method for telephone extension lines

Electronic hybrid circuit for connecting a two-wire line to switchi...

Electric two-to-four wire conversion circuit for use in telephone s...

Optically coupled two-wire to four-wire hybrid lines

Patents Applicationslast 30 patents

BROADBAND HIGH POWER TRX HYBRID IMPLEMENTATION

SYSTEM FOR ELECTRICAL STIMULATION DURING FUNCTIONAL MRI

Opto-Isolator With Correction Circuit