Inventor
ZSCHEILE JR JOHN W
US31 patents
⚠️ This page may combine multiple inventors who share the name “ZSCHEILE JR JOHN W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNISYS CORP
17 patentsUS5414730AMay 9, 1995
Asynchronous samples data demodulation system
UNISYS CORP77 citations96
US5559788ASep 24, 1996
Multiple channel quadrature communication system and method
UNISYS CORP56 citations95
US5022049AJun 4, 1991
Multiple access code acquisition system
UNISYS CORP118 citations93
US5598154AJan 28, 1997
Apparatus and method for generating and utilizing pseudonoise code sequences
UNISYS CORP49 citations92
US5299229AMar 29, 1994
High rate-low rate PN code tracking system
UNISYS CORP29 citations92
US5696789ADec 9, 1997
Apparatus and method for signal identification
UNISYS CORP25 citations91
US4776012AOct 4, 1988
Method of jumping composite PN codes
UNISYS CORP26 citations90
US5257282AOct 26, 1993
High speed code sequence generator
UNISYS CORP53 citations89
US4809295AFeb 28, 1989
Code lengthening system
UNISYS CORP48 citations89
US4827269AMay 2, 1989
Apparatus to maintain arbitrary polarization stabilization of an antenna
UNISYS CORP27 citations88
US5222100AJun 22, 1993
Range based acquisition system
UNISYS CORP16 citations74
US5048053ASep 10, 1991
Detecting and tracking circuit for component PN codes
UNISYS CORP19 citations74
US4852121AJul 25, 1989
Coherent pseudonoise code tracking loop
UNISYS CORP7 citations74
US4890297ADec 26, 1989
Burst jammer erasure circuit for spread spectrum receivers
UNISYS CORP11 citations73
US4817113AMar 28, 1989
Range estimation using floating reference points
UNISYS CORP16 citations73
US5724340AMar 3, 1998
Apparatus and method for amplitude tracking
UNISYS CORP11 citations72
US4817001AMar 28, 1989
Method of correcting navigation system errors caused by drift
UNISYS CORP5 citations62
SPERRY CORP
12 patentsUS4394642AJul 19, 1983
Apparatus for interleaving and de-interleaving data
SPERRY CORP203 citations98
US4418393ANov 29, 1983
Matched filter spread spectrum code recovery apparatus
SPERRY CORP132 citations96
US4435822AMar 6, 1984
Coherent spread spectrum receiving apparatus
SPERRY CORP103 citations92
US4225935ASep 30, 1980
Coding method and system with enhanced security
SPERRY CORP48 citations92
US4573155AFeb 25, 1986
Maximum likelihood sequence decoder for linear cyclic codes
SPERRY CORP22 citations81
US4429310AJan 31, 1984
Random binary waveform encoded ranging apparatus
SPERRY CORP15 citations74
US4417249ANov 22, 1983
Phase weighted adaptive processor
SPERRY CORP13 citations74
US4325138AApr 13, 1982
Continuous wave adaptive signal processor system
SPERRY CORP19 citations74
US4613860ASep 23, 1986
Coder-decoder for purged binary block codes
SPERRY CORP13 citations72
US4397034AAug 2, 1983
Low probability of intercept transmitting apparatus
SPERRY CORP10 citations71
US4513285AApr 23, 1985
Quasi coherent two-way ranging apparatus
SPERRY CORP20 citations69
US4441194AApr 3, 1984
Triple bit non-coherent matched filter receiving system
SPERRY CORP5 citations63