Marvin E. Frerking

Person

Cedar Rapids, IA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Injection mode steering oscillator
- Patent number 6,977,557
- Issue date Dec 20, 2005
- Marvin Elmer Frerking
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Residual frequency effects compensation
- Patent number 6,545,550
- Issue date Apr 8, 2003
- Marvin E. Frerking
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Deglitched digital mixer circuit
- Patent number 5,053,651
- Issue date Oct 1, 1991
- Rockwell International Corporation
- Marvin E. Frerking
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Integrator controlled time compensated clock oscillator
- Patent number 4,906,944
- Issue date Mar 6, 1990
- Rockwell International Corporation
- Marvin E. Frerking
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Vibration compensated crystal oscillator
- Patent number 4,891,611
- Issue date Jan 2, 1990
- Rockwell International Corporation
- Marvin E. Frerking
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Closed loop temperature compensated frequency reference
- Patent number 4,513,259
- Issue date Apr 23, 1985
- Rockwell International Corporation
- Marvin E. Frerking
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Variable gain oven temperature control circuit
- Patent number 4,449,032
- Issue date May 15, 1984
- The United States of America as represented by the Secretary of the Air Force
- Marvin E. Frerking
- G05 - CONTROLLING REGULATING
Information Patent Grant
Accelerated warm-up crystal oven
- Patent number 4,396,892
- Issue date Aug 2, 1983
- Rockwell International Corporation
- Marvin E. Frerking
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Time compensated clock oscillator
- Patent number 4,305,041
- Issue date Dec 8, 1981
- Rockwell International Corporation
- Marvin E. Frerking
- G04 - HOROLOGY
Information Patent Grant
Closed loop temperature compensated frequency reference
- Patent number 4,297,657
- Issue date Oct 27, 1981
- Rockwell International Corporation
- Marvin E. Frerking
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Non-linear digital-to analog conversion
- Patent number 4,126,853
- Issue date Nov 21, 1978
- Rockwell International Corporation
- Marvin E. Frerking
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Radio receiver noise suppression
- Patent number 3,978,412
- Issue date Aug 31, 1976
- Rockwell International Corporation
- Marvin E. Frerking
- H03 - BASIC ELECTRONIC CIRCUITRY

Marvin E. Frerking

Person

Patents Grantslast 30 patents

Injection mode steering oscillator

Residual frequency effects compensation

Deglitched digital mixer circuit

Integrator controlled time compensated clock oscillator

Vibration compensated crystal oscillator

Closed loop temperature compensated frequency reference

Variable gain oven temperature control circuit

Accelerated warm-up crystal oven

Time compensated clock oscillator

Closed loop temperature compensated frequency reference

Non-linear digital-to analog conversion

Radio receiver noise suppression