Heinrich Pfeifer

Follow

Person

Denzlingen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Sound channel circuit for digital television receivers
- Patent number 5,202,766
- Issue date Apr 13, 1993
- Deutsche ITT Industries GmbH
- Sonke Mehrgardt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Circuit arrangement for averaging signals during pulse-density D/A...
- Patent number 4,947,171
- Issue date Aug 7, 1990
- Deutsche ITT Industries GmbH
- Heinrich Pfeifer
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Digital decimation filter
- Patent number 4,872,129
- Issue date Oct 3, 1989
- Deutsche ITT Industries, GmbH
- Heinrich Pfeifer
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Video recorder with a magnetic recording medium in the form of a tape
- Patent number 4,757,390
- Issue date Jul 12, 1988
- Deutsche ITT Industries GmbH
- Soenke Mehrgardt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Frequency demodulator circuit with zero-crossing counter
- Patent number 4,707,666
- Issue date Nov 17, 1987
- Deutsche ITT Industries GmbH
- Heinrich Pfeifer
- H03 - BASIC ELECTRONIC CIRCUITRY