FT

Forrest F. Tzeng

CO Comsat: 3 patents #17 of 107Top 20%
Overall (All Time): #1,652,367 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5459784 Dual-tone multifrequency (DTMF) signalling transparency for low-data-rate vocoders — 1995-10-17
5307441 Wear-toll quality 4.8 kbps speech codec — 1994-04-26
5293449 Analysis-by-synthesis 2,4 kbps linear predictive speech codec — 1994-03-08