Membership
Tour
Register
Log in
Peruvemba S. Balasubramanian
Follow
Person
Chappaqua, NY, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
IR FM modem with flash modulation
Patent number
5,610,947
Issue date
Mar 11, 1997
International Business Machines Corporation
Peruvemba S. Balasubramanian
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Flash NRZI infrared modem
Patent number
5,602,873
Issue date
Feb 11, 1997
International Business Machines Corporation
Peruvemba S. Balasubramanian
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Rotatable pen-based computer with automatically reorienting display
Patent number
5,566,098
Issue date
Oct 15, 1996
International Business Machines Corporation
Samuel A. M. Lucente
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Multiprotocol directed infrared communication controller
Patent number
5,557,634
Issue date
Sep 17, 1996
International Business Machines Corporation
Peruvemba S. Balasubramanian
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
ASK demodulator implemented with digital bandpass filter
Patent number
5,532,641
Issue date
Jul 2, 1996
International Business Machines Corporation
Peruvemba S. Balasubramanian
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Rotatable pen-based computer
Patent number
5,432,720
Issue date
Jul 11, 1995
International Business Machines Corporation
Samuel A. M. Lucente
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Electrically programmable logic array
Patent number
4,177,452
Issue date
Dec 4, 1979
International Business Machines Corporation
Peruvemba S. Balasubramanian
G11 - INFORMATION STORAGE
Information
Patent Grant
Merged array PLA device, circuit, fabrication method and testing te...
Patent number
4,140,967
Issue date
Feb 20, 1979
International Business Machines Corporation
Peruvemba S. Balasubramanian
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Generalized performance power optimized PLA circuits
Patent number
4,140,921
Issue date
Feb 20, 1979
International Business Machines Corporation
Peruvemba S. Balasubramanian
H03 - BASIC ELECTRONIC CIRCUITRY