PATENTS
"Adjusting Filter
Coefficients"
David Goodman, Gurcan Mustafa
patent no. 5,121,415, Jun. 1992
"Telecommunications
switching systems"
David Goodman
patent no. 4,916,691, Apr 1990
"Spread spectrum
FH-MFSK receiver"
David Goodman, Henry Paul S, Prabhu Vasant S
patent no. 4,271,524, Jun. 1981
"Sidetone control
circuit for a telephone set"
David Goodman, Johnston James, Noll Michael
patent no. 4,081,620, Mar. 1978
"Error detection
and correction system"
David Goodman, Steele Raymond
patent no. 4,054,863, Oct. 1977
"Adaptive quantizer
apparatus using training model"
Gersho Allen, David Goodman
patent no. 3,931,596, Jan 1976
"Adaptive delta
modulator"
David Goodman
patent no. 3,652,957, Mar. 1972
"Digital code
converter for converting a delta modulation code to a different permutation
code"
David Goodman
patent no. 3,596,267, Jul 1971