Hendrik J. Kotmans

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Eindhoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Digital echo canceller comprising a double-talk detector
- Patent number 5,278,900
- Issue date Jan 11, 1994
- U.S. Philips Corporation
- Petrus J. Van Gerwen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital echo canceller
- Patent number 4,903,247
- Issue date Feb 20, 1990
- U.S. Philips Corporation
- Petrus J. Van Gerwen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Frequency-domain block-adaptive digital filter
- Patent number 4,807,173
- Issue date Feb 21, 1989
- U.S. Philips Corporation
- Petrus C. W. Sommen
- H03 - BASIC ELECTRONIC CIRCUITRY