Inventor
MAITRA SIDHARTHA
US14 patents
Patents
14 patentsUS5600649AFeb 4, 1997
Digital simultaneous voice and data modem
MULTI TECH SYSTEMS INC120 citations99
US5577041ANov 19, 1996
Method of controlling a personal communication system
MULTI TECH SYSTEMS INC124 citations99
US5471470ANov 28, 1995
Computer-based multifunction personal communications system
MULTI TECH SYSTEMS INC152 citations99
US5452289ASep 19, 1995
Computer-based multifunction personal communications system
MULTI TECH SYSTEMS INC447 citations99
US5546395AAug 13, 1996
Dynamic selection of compression rate for a voice compression algorithm in a voice over data modem
MULTI TECH SYSTEMS INC200 citations98
US5790532AAug 4, 1998
Voice over video communication system
MULTI TECH SYSTEMS INC79 citations97
US5764627AJun 9, 1998
Method and apparatus for a hands-free speaker phone
MULTI TECH SYSTEMS INC74 citations97
US7082106B2Jul 25, 2006
Computer-based multi-media communications system and method
MULTI TECH SYSTEMS INC50 citations96
USD394250SMay 12, 1998
Icon for a display screen
MULTI TECH SYSTEMS INC58 citations96
US5673268ASep 30, 1997
Modem resistant to cellular dropouts
MULTI TECH SYSTEMS INC47 citations96
US5592586AJan 7, 1997
Voice compression system and method
MULTI TECH SYSTEMS INC31 citations96
US5559793ASep 24, 1996
Echo cancellation system and method
MULTI TECH SYSTEMS INC58 citations96
US5754589AMay 19, 1998
Noncompressed voice and data communication over modem for a computer-based multifunction personal communications system
MULTI TECH SYSTEMS INC35 citations91
US5673257ASep 30, 1997
Computer-based multifunction personal communication system
MULTI TECH SYSTEMS INC17 citations82