Dietrich H. Schaefer

Follow

Person

Marion, IA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for reducing phaselock loop FM'ing
- Patent number 4,011,520
- Issue date Mar 8, 1977
- Rockwell International Corporation
- Dietrich H. Schaefer
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Electronic phaselock circuitry
- Patent number 3,991,378
- Issue date Nov 9, 1976
- Rockwell International Corporation
- Dietrich H. Schaefer
- G01 - MEASURING TESTING
Information Patent Grant
Phaselock circuitry with lock indication
- Patent number 3,982,190
- Issue date Sep 21, 1976
- Rockwell International Corporation
- Dietrich H. Schaefer
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Frequency selective signal presence detector
- Patent number 3,958,183
- Issue date May 18, 1976
- Rockwell International Corporation
- Dietrich H. Schaefer
- G01 - MEASURING TESTING