Inventor
BUTIN HENRI
8 patents
Patents
8 patentsUS4554668ANov 19, 1985
Frequency-hopping radio communications system
THOMSON CSF180 citations97
US4573209AFeb 25, 1986
Fixed station of a radiocommunications system with frequency jumps and two-way transmitters
THOMSON CSF8 citations72
US4554669ANov 19, 1985
Frequency jump radiocommunications system with interburst redundancy
THOMSON CSF8 citations72
US4031327AJun 21, 1977
Telephone set and system utilizing frequency division multiplexing
THOMSON CSF7 citations72
US4234867ANov 18, 1980
Threshold device for distinguishing the white level from the black level in an input signal delivered by a reading head for analyzing a document
THOMSON CSF10 citations71
US4322686AMar 30, 1982
Frequency comparator circuit
THOMSON CSF5 citations60
US4059804ANov 22, 1977
Frequency comparison circuit
THOMSON CSF5 citations53
US4105981AAug 8, 1978
Synchronous demodulation device
THOMSON CSF1 citations48