Ping Li

Person

New Brighton, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for mode switching in a voice over data comput...
- Patent number 5,864,560
- Issue date Jan 26, 1999
- Multi-Tech Systems, Inc.
- Ping Li
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Digital simultaneous voice and data mode switching control
- Patent number 5,815,503
- Issue date Sep 29, 1998
- Multi-Tech Systems, Inc.
- Ping Li
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Voice over video communication system
- Patent number 5,790,532
- Issue date Aug 4, 1998
- Multi-Tech Systems, Inc.
- Raghu Sharma
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method and apparatus for a hands-free speaker phone
- Patent number 5,764,627
- Issue date Jun 9, 1998
- Multi-Tech Systems, Inc.
- Raghu Sharma
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Modem resistant to cellular dropouts
- Patent number 5,673,268
- Issue date Sep 30, 1997
- Multi-Tech Systems, Inc.
- Raghu Sharma
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Computer-based multifunction personal communication system
- Patent number 5,673,257
- Issue date Sep 30, 1997
- Multi-Tech Systems, Inc.
- Raghu Sharma
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Voice over data modem with selectable voice compression
- Patent number 5,617,423
- Issue date Apr 1, 1997
- Multi-Tech Systems, Inc.
- Ping Li
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Digital simultaneous voice and data modem
- Patent number 5,600,649
- Issue date Feb 4, 1997
- Multi-Tech Systems, Inc.
- Raghu Sharma
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method of controlling a personal communication system
- Patent number 5,577,041
- Issue date Nov 19, 1996
- Multi-Tech Systems, Inc.
- Raghu Sharma
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Communication method between a personal computer and communication...
- Patent number 5,574,725
- Issue date Nov 12, 1996
- Multi-Tech Systems, Inc.
- Raghu Sharma
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Dynamic selection of compression rate for a voice compression algor...
- Patent number 5,546,395
- Issue date Aug 13, 1996
- Multi-Tech Systems, Inc.
- Raghu N. Sharma
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Ringdown and ringback signalling for a computer-based multifunction...
- Patent number 5,535,204
- Issue date Jul 9, 1996
- Multi-Tech Systems, Inc.
- Ping Li
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Voice and data transmission system
- Patent number 5,500,859
- Issue date Mar 19, 1996
- Multi-Tech Systems, Inc.
- Raghu Sharma
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Computer-based multifunction personal communications system
- Patent number 5,471,470
- Issue date Nov 28, 1995
- Multi-Tech Systems, Inc.
- Raghu Sharma
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Computer-based multifunction personal communications system
- Patent number 5,452,289
- Issue date Sep 19, 1995
- Multi-Tech Systems, Inc.
- Raghu Sharma
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method and apparatus for establishing protocol spoofing from a modem
- Patent number 5,309,562
- Issue date May 3, 1994
- Multi-Tech Systems, Inc.
- Ping Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for automatic balancing of modem resources
- Patent number 5,301,274
- Issue date Apr 5, 1994
- Multi-Tech Systems, Inc.
- Ping Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Computer implemented voice over data communication apparatus and me...
- Publication number 20030223407
- Publication date Dec 4, 2003
- Multi-Tech Systems, Inc.
- Raghu Sharma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Computer implemented communication apparatus and method
- Publication number 20030223461
- Publication date Dec 4, 2003
- Multi-Tech Systems, Inc.
- Raghu Sharma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Person

Patents Grantslast 30 patents

Method and apparatus for mode switching in a voice over data comput...

Digital simultaneous voice and data mode switching control

Voice over video communication system

Method and apparatus for a hands-free speaker phone

Modem resistant to cellular dropouts

Computer-based multifunction personal communication system

Voice over data modem with selectable voice compression

Digital simultaneous voice and data modem

Method of controlling a personal communication system

Communication method between a personal computer and communication...

Dynamic selection of compression rate for a voice compression algor...

Ringdown and ringback signalling for a computer-based multifunction...

Voice and data transmission system

Computer-based multifunction personal communications system

Computer-based multifunction personal communications system

Method and apparatus for establishing protocol spoofing from a modem

Method and apparatus for automatic balancing of modem resources

Patents Applicationslast 30 patents

Computer implemented voice over data communication apparatus and me...

Computer implemented communication apparatus and method