Melvin C. Hendrickson

Person

Elmhurst, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Technique for toggling coding mode in a television signal encoder
- Patent number 4,759,061
- Issue date Jul 19, 1988
- Zenith Electronics Corporation
- Richard W. Citta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Television signal scrambling system
- Patent number 4,598,313
- Issue date Jul 1, 1986
- Zenith Electronics Corporation
- Melvin C. Hendrickson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Decoder lockout defeat circuit
- Patent number 4,558,360
- Issue date Dec 10, 1985
- Zenith Electronics Corporation
- Melvin C. Hendrickson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Memory select system for an STV decoder
- Patent number 4,460,922
- Issue date Jul 17, 1984
- Zenith Electronics Corporation
- James W. Ensinger
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
IR Remote control system
- Patent number 4,425,647
- Issue date Jan 10, 1984
- Zenith Radio Corporation
- Johnny Collins
- G08 - SIGNALLING
Information Patent Grant
Subscription television decoder
- Patent number 4,408,225
- Issue date Oct 4, 1983
- Zenith Radio Corporation
- James W. Ensinger
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
IR Remote control system
- Patent number 4,377,006
- Issue date Mar 15, 1983
- Zenith Radio Corporation
- Johnny Collins
- G08 - SIGNALLING
Information Patent Grant
Television receiver having multiplexed phase lock loop tuning system
- Patent number 4,317,228
- Issue date Feb 23, 1982
- Zenith Radio Corporation
- Melvin C. Hendrickson
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Stv Subscriber address system
- Patent number 4,292,650
- Issue date Sep 29, 1981
- Zenith Radio Corporation
- Melvin C. Hendrickson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus for shifting a tuning window
- Patent number 4,156,199
- Issue date May 22, 1979
- Zenith Radio Corporation
- Melvin C. Hendrickson
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
82 Detent manual varactor tuning system
- Patent number 4,081,771
- Issue date Mar 28, 1978
- Zenith Radio Corporation
- Melvin Carlyle Hendrickson
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Multi-speed ramp for a varactor tuning system
- Patent number 3,943,449
- Issue date Mar 9, 1976
- Zenith Radio Corporation
- Melvin C. Hendrickson
- H03 - BASIC ELECTRONIC CIRCUITRY

Melvin C. Hendrickson

Person

Patents Grantslast 30 patents

Technique for toggling coding mode in a television signal encoder

Television signal scrambling system

Decoder lockout defeat circuit

Memory select system for an STV decoder

IR Remote control system

Subscription television decoder

IR Remote control system

Television receiver having multiplexed phase lock loop tuning system

Stv Subscriber address system

Apparatus for shifting a tuning window

82 Detent manual varactor tuning system

Multi-speed ramp for a varactor tuning system