Santanu Das

Person

Stamford, CT, US

People

Patents Grantslast 30 patents

Information Patent Grant
System for providing data services to a circuit switched exchange
- Patent number 4,789,981
- Issue date Dec 6, 1988
- Alcatel N.V.
- John A. Yanosy
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Comprehensive automatic directory assistance apparatus and method t...
- Patent number 4,608,460
- Issue date Aug 26, 1986
- ITT Corporation
- Nicholas J. R. Carter
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Expansion apparatus for use in communication systems
- Patent number 4,602,363
- Issue date Jul 22, 1986
- ITT Corporation
- Santanu Das
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Information transport system
- Patent number 4,602,362
- Issue date Jul 22, 1986
- ITT Corporation
- Franklin Hargrave
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Simultaneous voice and data communication and data base access in a...
- Patent number 4,589,107
- Issue date May 13, 1986
- ITT Corporation
- Francisco A. Middleton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Use of a tone bus to provide polling and data distribution apparatu...
- Patent number 4,584,680
- Issue date Apr 22, 1986
- ITT Corporation
- Nicholas J. R. Carter
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Simultaneous voice and data communication and data base access in a...
- Patent number 4,578,789
- Issue date Mar 25, 1986
- ITT Corporation
- Francisco A. Middleton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multiparty line adapter with privacy feature controlled by reversal...
- Patent number 4,528,424
- Issue date Jul 9, 1985
- International Telephone & Telegraph Corporation
- Francisco A. Middleton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Combining and splitting of voice and data from multiple terminal so...
- Patent number 4,488,287
- Issue date Dec 11, 1984
- International Telephone & Telegraph Corporation
- Nicholas J. R. Carter
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone line circuit and system
- Patent number 4,456,991
- Issue date Jun 26, 1984
- International Telephone & Telegraph Corporation
- Ramon C. W. Chea
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Analog subscriber/trunk module with shared ringing source and ring-...
- Patent number 4,435,803
- Issue date Mar 6, 1984
- International Telephone & Telegraph Corporation
- Santanu Das
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Fault-tolerant clock signal distribution arrangement
- Patent number 4,185,245
- Issue date Jan 22, 1980
- International Telephone & Telegraph Corporation
- Frank Fellinger
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Santanu Das

Person

Patents Grantslast 30 patents

System for providing data services to a circuit switched exchange

Comprehensive automatic directory assistance apparatus and method t...

Expansion apparatus for use in communication systems

Information transport system

Simultaneous voice and data communication and data base access in a...

Use of a tone bus to provide polling and data distribution apparatu...

Simultaneous voice and data communication and data base access in a...

Multiparty line adapter with privacy feature controlled by reversal...

Combining and splitting of voice and data from multiple terminal so...

Telephone line circuit and system

Analog subscriber/trunk module with shared ringing source and ring-...

Fault-tolerant clock signal distribution arrangement