Richard G. Merrell

Person

Darien, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
VIR line recognition system
- Patent number 4,160,993
- Issue date Jul 10, 1979
- Zenith Radio Corporation
- Richard G. Merrell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
High speed phase locked loop tuning system
- Patent number 4,156,197
- Issue date May 22, 1979
- Zenith Radio Corporation
- Richard G. Merrell
- H03 - BASIC ELECTRONIC CIRCUITRY
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
Electronic television tuner interface circuit
- Patent number 4,151,559
- Issue date Apr 24, 1979
- Zenith Radio Corporation
- Richard G. Merrell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital phase comparator with reset
- Patent number 4,090,143
- Issue date May 16, 1978
- Zenith Radio Corporation
- Richard G. Merrell
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
High speed tuning system
- Patent number 4,070,629
- Issue date Jan 24, 1978
- Zenith Radio Corporation
- Richard G. Merrell
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Remote control with reduced responsiveness to interrupted actuating...
- Patent number 4,021,741
- Issue date May 3, 1977
- Zenith Radio Corporation
- Johnny Collins
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Channel selection indicator for memory tuning system
- Patent number 4,002,985
- Issue date Jan 11, 1977
- Zenith Radio Corporation
- Richard G. Merrell
- 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

Richard G. Merrell

Person

Patents Grantslast 30 patents

VIR line recognition system

High speed phase locked loop tuning system

Apparatus for shifting a tuning window

Electronic television tuner interface circuit

Digital phase comparator with reset

High speed tuning system

Remote control with reduced responsiveness to interrupted actuating...

Channel selection indicator for memory tuning system

Multi-speed ramp for a varactor tuning system