Joseph Kadlec

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Berwyn, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Automatic vertical size control
- Patent number 4,766,355
- Issue date Aug 23, 1988
- Zenith Electronics Corporation
- Joseph Kadlec
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dual intensity video circuit
- Patent number 4,698,681
- Issue date Oct 6, 1987
- Zenith Electronics Corporation
- Joseph Kadlec
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Monostable multivibrator for video display
- Patent number 4,682,226
- Issue date Jul 21, 1987
- Zenith Electronics Corporation
- Joseph Kadlec
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Temperature compensated oscillator for raster scanned video display
- Patent number 4,621,240
- Issue date Nov 4, 1986
- Zenith Electronics Corporation
- Robert J. Alvord
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Multivibrator synchronization system for video display
- Patent number 4,253,117
- Issue date Feb 24, 1981
- Zenith Radio Corporation
- Joseph Kadlec
- H04 - ELECTRIC COMMUNICATION TECHNIQUE