Willem van Doorn

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Hilversum, NL

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Patents Grantslast 30 patents

Information Patent Grant
Preamplifier for an optical receiver
- Patent number 4,808,810
- Issue date Feb 28, 1989
- AT&T and Philips Telecommunications B.V.
- Willem Van Doorn
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Equalizing network having a plurality of frequency sensitive attenu...
- Patent number 4,225,834
- Issue date Sep 30, 1980
- U.S. Philips Corporation
- Willem van Doorn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE