George C. Harrison

Person

Chelmsford, MA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Electronic flash control circuit
- Patent number 5,159,381
- Issue date Oct 27, 1992
- Polaroid Corporation
- George C. Harrison
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electronic flash apparatus for reducing the incidence of human eyel...
- Patent number 5,051,768
- Issue date Sep 24, 1991
- Polaroid Corporation
- George C. Harrison
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Infrared wink ranging system
- Patent number 4,785,322
- Issue date Nov 15, 1988
- Polaroid Corporation
- George C. Harrison
- G02 - OPTICS
Information Patent Grant
Controlled inductive storage DC-to-DC converter
- Patent number 4,336,583
- Issue date Jun 22, 1982
- Polaroid Corporation
- Stephen J. Campbell
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electronic flash inhibit arrangement
- Patent number 4,162,836
- Issue date Jul 31, 1979
- Polaroid Corporation
- George C. Harrison
- G02 - OPTICS
Information Patent Grant
Control system for flash-illuminated automatic focusing camera
- Patent number 4,156,565
- Issue date May 29, 1979
- Polaroid Corporation
- George C. Harrison
- G02 - OPTICS
Information Patent Grant
Regulated strobe with hysteresis
- Patent number 4,068,151
- Issue date Jan 10, 1978
- Polaroid Corporation
- George C. Harrison
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Quench strobe with predetermined quench rate
- Patent number 4,057,811
- Issue date Nov 8, 1977
- Polaroid Corporation
- George C. Harrison
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

George C. Harrison

Person

Patents Grantslast 30 patents

Electronic flash control circuit

Electronic flash apparatus for reducing the incidence of human eyel...

Infrared wink ranging system

Controlled inductive storage DC-to-DC converter

Electronic flash inhibit arrangement

Control system for flash-illuminated automatic focusing camera

Regulated strobe with hysteresis

Quench strobe with predetermined quench rate