Assignee
US ROBOTICS INC
US11 patents
Top patents by PatentIndex Score
US5438614AAug 1, 1995
Modem management techniques
US ROBOTICS INC134 citations97
US5577105ANov 19, 1996
Telephone call routing and switching techniques for data communications
US ROBOTICS INC161 citations96
US5528595AJun 18, 1996
Modem input/output signal processing techniques
US ROBOTICS INC142 citations95
US5724413AMar 3, 1998
Host computer digital signal processing system for communicating over voice-grade telephone channels
US ROBOTICS INC23 citations92
US5579305ANov 26, 1996
Asymmetric duplex modem utilizing narrow band echo cancellation
US ROBOTICS INC23 citations92
US5515398AMay 7, 1996
Modem line probing signal techniques
US ROBOTICS INC42 citations92
US5438536AAug 1, 1995
Flash memory module
US ROBOTICS INC42 citations92
US5008901AApr 16, 1991
Asymmetrical duplex error-controlled modem
US ROBOTICS INC43 citations91
US5472351ADec 5, 1995
Personal computer modem card interface construction
US ROBOTICS INC68 citations90
US5416776AMay 16, 1995
Modem backplane techniques
US ROBOTICS INC51 citations88
US5535014AJul 9, 1996
Method for maintaining a communication link with a facsimile modem
US ROBOTICS INC5 citations55