Hans-Robert Schemmel

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Nuremberg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Phase-locked loop with pulse-duration modulation fine frequency con...
- Patent number 5,053,723
- Issue date Oct 1, 1991
- U.S. Philips Corp.
- Hans-Robert Schemmel
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Circuit arrangement for clock recovery
- Patent number 5,036,288
- Issue date Jul 30, 1991
- U.S. Philips Corporation
- Hans-Robert Schemmel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Circuit arrangement comprising two parallel branches for transmitti...
- Patent number 5,021,683
- Issue date Jun 4, 1991
- U.S. Philips Corp.
- Hans-Robert Schemmel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Circuit arrangement for converting an a.c. signal into a binary signal
- Patent number 4,634,983
- Issue date Jan 6, 1987
- U.S. Philips Corporation
- Hans R. Schemmel
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Circuit for deriving of signals and counter cycle signals from one...
- Patent number 4,485,351
- Issue date Nov 27, 1984
- Philips Kommunikations Industrie AG
- Hans R. Schemmel
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Controllable electronic resistance device
- Patent number 4,137,466
- Issue date Jan 30, 1979
- U.S. Philips Corporation
- Hans R. Schemmel
- H03 - BASIC ELECTRONIC CIRCUITRY