Inventor
SANDERS DAVID E
29 patents
⚠️ This page may combine multiple inventors who share the name “SANDERS DAVID E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
E SYSTEMS INC
15 patentsUS4509017AApr 2, 1985
Method and apparatus for pulse angle modulation
E SYSTEMS INC97 citations96
US4066977AJan 3, 1978
Digitized AGC amplifier with gain hysteresis circuit
E SYSTEMS INC57 citations96
US4484335ANov 20, 1984
Method and apparatus for despreading a spread spectrum signal at baseband
E SYSTEMS INC57 citations94
US4696017ASep 22, 1987
Quadrature signal generator having digitally-controlled phase and amplitude correction
E SYSTEMS INC43 citations91
US4530103AJul 16, 1985
Method and apparatus for baseband tracking of a PN code sequence in a spread spectrum receiver
E SYSTEMS INC43 citations91
US4528674AJul 9, 1985
Method and apparatus for baseband generation of a spread spectrum reference signal for use in an LMS adaptive array processor
E SYSTEMS INC41 citations87
US4373141AFeb 8, 1983
Fast updating peak detector circuit
E SYSTEMS INC23 citations82
US4215239AJul 29, 1980
Apparatus for the acquisition of a carrier frequency and symbol timing lock
E SYSTEMS INC23 citations82
US4087628AMay 2, 1978
Carrier lock detector
E SYSTEMS INC21 citations81
US4380737AApr 19, 1983
Fast AGC slew circuit
E SYSTEMS INC13 citations74
US4485358ANov 27, 1984
Method and apparatus for pulse angle modulation
E SYSTEMS INC16 citations73
US4186349AJan 29, 1980
Adaptive narrow band noise estimator/suppressor radio receiver
E SYSTEMS INC14 citations73
US4280218AJul 21, 1981
False alarm processor
E SYSTEMS INC6 citations62
US4125764ANov 14, 1978
Transversal correlator error detector
E SYSTEMS INC4 citations61
US4499585AFeb 12, 1985
Method and apparatus for producing a shaped spectrum modulating signal
E SYSTEMS INC5 citations56
NCR CO
10 patentsUS4017798AApr 12, 1977
Spread spectrum demodulator
NCR CO177 citations97
US4122393AOct 24, 1978
Spread spectrum detector
NCR CO57 citations96
US4077016AFeb 28, 1978
Apparatus and method for inhibiting false locking of a phase-locked loop
NCR CO134 citations96
US4163944AAug 7, 1979
Compensation circuit for an electrical signal mixer
NCR CO83 citations94
US4105975AAug 8, 1978
Offset correction circuit for phase detectors
NCR CO23 citations82
US4039749AAug 2, 1977
Spread spectrum demodulator
NCR CO30 citations82
US4317204AFeb 23, 1982
Spread spectrum conferencing communication system
NCR CO17 citations73
US4149121AApr 10, 1979
Four phase to two phase correlator
NCR CO18 citations73
US3997796ADec 14, 1976
High speed divide-by-two circuit
NCR CO14 citations73
US3990015ANov 2, 1976
Differential phase shift keyed detector utilizing a circulating memory
NCR CO4 citations61