David P. Whipple

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Greenacres, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Center frequency calibration for DC coupled frequency modulation in...
- Patent number 5,150,082
- Issue date Sep 22, 1992
- Hewlett-Packard Company
- Scott B. Grimmett
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
FM Modulator phase-locked loop with FM calibration
- Patent number 4,573,026
- Issue date Feb 25, 1986
- Hewlett-Packard Company
- G. Stephen Curtis
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Frequency modulation in a phase-locked loop
- Patent number 4,546,331
- Issue date Oct 8, 1985
- Hewlett-Packard Company
- Marcus K. DaSilva
- H03 - BASIC ELECTRONIC CIRCUITRY