Prabhakar Chitrapu

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Princeton, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Technique of controlling telephone calls
- Patent number 5,809,110
- Issue date Sep 15, 1998
- Dialogic Corporation
- Mark Ulrich
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Call processing using previously obtained line characteristics
- Patent number 5,764,759
- Issue date Jun 9, 1998
- Dialogic Corporation
- Chris Hamilton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Tone blocking using variable delay buffer
- Patent number 5,687,177
- Issue date Nov 11, 1997
- Dialogic Corporation
- Prabhakar Chitrapu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Tone blocking using variable delay buffer
- Patent number 5,604,793
- Issue date Feb 18, 1997
- Dialogic Corporation
- Prabhakar Chitrapu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Ring tone detection for a telephone system
- Patent number 5,442,694
- Issue date Aug 15, 1995
- Dialogic Corporation
- Prabhakar Chitrapu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE