Inventor
MOTLEY DAVID M
17 patents
⚠️ This page may combine multiple inventors who share the name “MOTLEY DAVID M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HYCOM INC
16 patentsUS3971996AJul 27, 1976
Phase tracking network
HYCOM INC58 citations95
US3962637AJun 8, 1976
Ultrafast adaptive digital modem
HYCOM INC90 citations95
US4028626AJun 7, 1977
Digital data receiver with automatic timing recovery and control
HYCOM INC35 citations92
US3931584AJan 6, 1976
Automatic gain control
HYCOM INC41 citations92
US4458355AJul 3, 1984
Adaptive phase lock loop
HYCOM INC30 citations90
US4061978ADec 6, 1977
Timing recovery for an automatically equalized data modem
HYCOM INC50 citations90
US3935535AJan 27, 1976
Fast equalization acquisition for automatic adaptive digital modem
HYCOM INC32 citations81
US4597089AJun 24, 1986
Single pulse fast learn modem
HYCOM INC24 citations78
US4937839AJun 26, 1990
Frequency multiplexed full duplex 4800 bps modem
HYCOM INC8 citations73
US4731800AMar 15, 1988
Raised-cosine filtering for modems
HYCOM INC11 citations73
US4726029AFeb 16, 1988
Error-correcting modem
HYCOM INC13 citations73
US4061977ADec 6, 1977
Phase tracking network
HYCOM INC20 citations73
US3988539AOct 26, 1976
Data transmission system using optimal eight-vector signaling scheme
HYCOM INC19 citations73
US3943448AMar 9, 1976
Apparatus and method for synchronizing a digital modem using a random multilevel data signal
HYCOM INC17 citations73
US3979685ASep 7, 1976
Frequency shift key demodulator
HYCOM INC10 citations68
US5038366AAug 6, 1991
Frequency multiplexed full duplex 4800 BPS modem
HYCOM INC5 citations62