Lloyd E. Matthews

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Berwyn, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Beam current compensated vertical size control
- Patent number 4,885,510
- Issue date Dec 5, 1989
- Zenith Electronics Corporation
- Lloyd E. Matthews
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Regulator with rectifier IR drop compensation
- Patent number 4,652,987
- Issue date Mar 24, 1987
- Zenith Electronics Corporation
- Lloyd E. Matthews
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Vertical drive circuit for video display
- Patent number 4,289,994
- Issue date Sep 15, 1981
- Zenith Radio Corporation
- Gregory J. Beaumont
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Self-oscillating sawtooth current deflection generator
- Patent number 4,234,828
- Issue date Nov 18, 1980
- Zenith Radio Corporation
- Lloyd E. Matthews
- H03 - BASIC ELECTRONIC CIRCUITRY