Inventor
PFEIFER HEINRICH
DE8 patents
⚠️ This page may combine multiple inventors who share the name “PFEIFER HEINRICH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ITT IND GMBH DEUTSCHE
6 patentsUS4757390AJul 12, 1988
Video recorder with a magnetic recording medium in the form of a tape
ITT IND GMBH DEUTSCHE86 citations96
US4947171AAug 7, 1990
Circuit arrangement for averaging signals during pulse-density D/A or A/D conversion
ITT IND GMBH DEUTSCHE74 citations95
US4872129AOct 3, 1989
Digital decimation filter
ITT IND GMBH DEUTSCHE43 citations91
US4707666ANov 17, 1987
Frequency demodulator circuit with zero-crossing counter
ITT IND GMBH DEUTSCHE22 citations81
US5202766AApr 13, 1993
Sound channel circuit for digital television receivers
ITT IND GMBH DEUTSCHE18 citations72
US4633517ADec 30, 1986
Circuit for decoding traffic information message tone signals
ITT IND GMBH DEUTSCHE13 citations72