Lance J. Katzfey

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San Diego, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Remote volume control by means of frequency modulation feedback loop
- Patent number 4,591,915
- Issue date May 27, 1986
- Oak Industries Inc.
- Mircho A. Davidov
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal processing circuit for video signal with buried audio signal
- Patent number 4,361,852
- Issue date Nov 30, 1982
- Sony Corporation
- Lance J. Katzfey
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video projection apparatus
- Patent number 4,305,092
- Issue date Dec 8, 1981
- Sony Corporation
- Lance J. Katzfey
- H04 - ELECTRIC COMMUNICATION TECHNIQUE