Reinhard W. Rosch

Person

Richmond, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Telephone line interface circuit with voltage control
- Patent number 5,661,794
- Issue date Aug 26, 1997
- Northern Telecom Limited
- Reinhard W. Rosch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of providing d.c. feed to a telephone line
- Patent number 5,511,118
- Issue date Apr 23, 1996
- Northern Telecom Limited
- Stanley A. Gores
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Protection and recovery of telephone line interface circuits
- Patent number 5,390,231
- Issue date Feb 14, 1995
- Northern Telecom Limited
- Paul F. Hung
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone line interface circuit with voltage switching
- Patent number 5,323,461
- Issue date Jun 21, 1994
- Northern Telecom Limited
- Stanley D. Rosenbaum
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wideband telephone line interface circuit
- Patent number 5,274,702
- Issue date Dec 28, 1993
- Northern Telecom Limited
- Reinhard W. Rosch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Impedance generator for a telephone line interface circuit
- Patent number 5,258,713
- Issue date Nov 2, 1993
- Northern Telecom Limited
- Reinhard W. Rosch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Protection arrangement for a telephone subscriber line interface ci...
- Patent number 4,947,427
- Issue date Aug 7, 1990
- Northern Telecom Limited
- Reinhard W. Rosch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Active impedance line feed circuit
- Patent number 4,764,956
- Issue date Aug 16, 1988
- Northern Telecom Limited
- Reinhard Rosch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone lines status sensor
- Patent number 4,446,338
- Issue date May 1, 1984
- Northern Telecom Limited
- Reinhard W. Rosch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Reinhard W. Rosch

Person

Patents Grantslast 30 patents

Telephone line interface circuit with voltage control

Method of providing d.c. feed to a telephone line

Protection and recovery of telephone line interface circuits

Telephone line interface circuit with voltage switching

Wideband telephone line interface circuit

Impedance generator for a telephone line interface circuit

Protection arrangement for a telephone subscriber line interface ci...

Active impedance line feed circuit

Telephone lines status sensor