Inventor
QURESHI SHAHID U H
10 patents
Patents
10 patentsUS4756007AJul 5, 1988
Adaptive communication rate modem
CODEX CORP261 citations95
US4631735ADec 23, 1986
Coded modulation system with feedback
CODEX CORP100 citations95
US4004226AJan 18, 1977
QAM receiver having automatic adaptive equalizer
CODEX CORP95 citations95
US4989221AJan 29, 1991
Sample rate converter
CODEX CORP49 citations92
US4455661AJun 19, 1984
Dual processor digital modem apparatus
CODEX CORP35 citations92
US4358853ANov 9, 1982
Digital modem transmitter
CODEX CORP46 citations92
US4344176AAug 10, 1982
Time recovery circuitry in a modem receiver
CODEX CORP34 citations92
US5193204AMar 9, 1993
Processor interface circuitry for effecting data transfers between processors
CODEX CORP23 citations91
US4563657AJan 7, 1986
Frequency synthesizer and digital phase lock loop
CODEX CORP39 citations89
US4439864AMar 27, 1984
Modem circuitry
CODEX CORP16 citations73