Henricus J. M. Otten

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Eindhoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Audio transmission circuit comprising a transmit amplifier in the f...
- Patent number 4,680,789
- Issue date Jul 14, 1987
- U.S. Philips Corporation
- Peter J. M. Sijbers
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission circuit for a DTMF-telephone set
- Patent number 4,585,909
- Issue date Apr 29, 1986
- U.S. Philips Corporation
- Henricus J. M. Otten
- H04 - ELECTRIC COMMUNICATION TECHNIQUE