Llewellyn E. Wall

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Concord, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Photodetector quiescent current compensation method and apparatus
- Patent number 5,929,689
- Issue date Jul 27, 1999
- SensArray Corporation
- Llewellyn E. Wall
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Analog to digital conversion on multiple channel IC chips
- Patent number 5,045,685
- Issue date Sep 3, 1991
- Irvine Sensors Corporation
- Llewellyn E. Wall
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Pre-amplifier in focal plane detector array
- Patent number 4,791,286
- Issue date Dec 13, 1988
- Irvine Sensors Corporation
- Llewellyn E. Wall
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Pre-amplifier in focal plane detector array
- Patent number 4,555,623
- Issue date Nov 26, 1985
- Irvine Sensors Corporation
- Walter F. Bridgewater
- H03 - BASIC ELECTRONIC CIRCUITRY