Inventor
ASCHWANDEN FELIX
31 patents
⚠️ This page may combine multiple inventors who share the name “ASCHWANDEN FELIX”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RCA CORP
20 patentsUS4443769AApr 17, 1984
Frequency search system for a phase locked loop
RCA CORP38 citations91
US4498103AFeb 5, 1985
Slow genlock circuit
RCA CORP23 citations82
US4204173AMay 20, 1980
Tuning circuit with provisions for reducing pulse width jitter
RCA CORP19 citations82
US4575757AMar 11, 1986
PAL offset generator
RCA CORP7 citations74
US4506175AMar 19, 1985
Digital phase comparator circuit producing sign and magnitude outputs
RCA CORP19 citations74
US4491870AJan 1, 1985
Digital sync separator
RCA CORP13 citations74
US4335412AJun 15, 1982
Triax safety circuit
RCA CORP15 citations74
US4227186AOct 7, 1980
Self-stabilizing analog to digital converter useful in phase locked loop tuning systems
RCA CORP13 citations74
US4184174AJan 15, 1980
Comb filter system
RCA CORP7 citations74
US4182994AJan 8, 1980
Phase locked loop tuning system including stabilized time interval control circuit
RCA CORP6 citations74
US4097810AJun 27, 1978
Phase locked loop tuning system with a preset channel memory
RCA CORP8 citations74
US4092672AMay 30, 1978
Master oscillator synchronizing system
RCA CORP13 citations74
US4072983AFeb 7, 1978
SECAM identification circuit
RCA CORP10 citations74
US4352206ASep 28, 1982
Comparison arrangement for a digital tuning system
RCA CORP2 citations63
US4264918AApr 28, 1981
Automatic chroma gain control circuits useful in secam coders
RCA CORP3 citations63
US4263609AApr 21, 1981
Automatic deviation limit control circuit for secam encoders
RCA CORP2 citations63
US4255758AMar 10, 1981
Self-adjusting bell filter circuit for use in SECAM coders
RCA CORP3 citations63
US4145711AMar 20, 1979
SECAM modulator
RCA CORP2 citations63
US4528527AJul 9, 1985
SECAM Modulator
RCA CORP0 citations52
US4084177AApr 11, 1978
Secam subcarrier generator
RCA CORP1 citations47
RCA LICENSING CORP
4 patentsUS5032917AJul 16, 1991
Video signal blending apparatus
RCA LICENSING CORP188 citations99
US5036293AJul 30, 1991
Oscillator for use with video signal time scaling apparatus
RCA LICENSING CORP10 citations74
US4907116AMar 6, 1990
Power supply fault protection circuit
RCA LICENSING CORP12 citations72
US5060057AOct 22, 1991
Intraframe processor and luminance-chrominance adaptive separator apparatus
RCA LICENSING CORP1 citations50
RCA THOMSON LICENSING CORP
4 patentsUS5317398AMay 31, 1994
Video/film-mode (3:2 pulldown) detector using patterns of two-field differences
RCA THOMSON LICENSING CORP117 citations97
US5999802ADec 7, 1999
Direct conversion tuner
RCA THOMSON LICENSING CORP82 citations96
US5983088ANov 9, 1999
Wide frequency spectrum television tuner with single local oscillator
RCA THOMSON LICENSING CORP47 citations92
US5896306AApr 20, 1999
Group delay correction method and apparatus
RCA THOMSON LICENSING CORP28 citations92