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Frank Whitehead
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Orangevale, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Fiber optic signal detector with two switchable input channels
Patent number
6,787,745
Issue date
Sep 7, 2004
Avanex Corporation
Roger A. Hajjar
G02 - OPTICS
Information
Patent Grant
Actively-controllable optical switches based on optical position se...
Patent number
6,580,846
Issue date
Jun 17, 2003
Versatile Optical Networks, Inc.
Alan C. Burroughs
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus for quantitative measurements of ultrasonic wave power di...
Patent number
5,463,593
Issue date
Oct 31, 1995
Claudio I. Zanelli, Intec Research Company
Claudio I. Zanelli
G01 - MEASURING TESTING
Information
Patent Grant
Achromatic expansion prism for magneto-optical drive
Patent number
5,311,496
Issue date
May 10, 1994
Hyundai Electronics America
Frank R. Whitehead
G11 - INFORMATION STORAGE
Information
Patent Grant
Focus and tracking error detector apparatus for optical and magneto...
Patent number
5,113,386
Issue date
May 12, 1992
Eastman Kodak Company
Frank R. Whitehead
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for anamorphically shaping and achromatically...
Patent number
5,013,136
Issue date
May 7, 1991
Eastman Kodak Company
Frank R. Whitehead
G02 - OPTICS
Information
Patent Grant
Highlighting gray scale video display terminal
Patent number
4,733,229
Issue date
Mar 22, 1988
Frank R. Whitehead
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
Fiber optic signal detector with two switchable input channels
Publication number
20020113200
Publication date
Aug 22, 2002
Roger A. Hajjar
G02 - OPTICS
Information
Patent Application
Optical wavelength-division multiplexing and demultiplexing by usin...
Publication number
20010055442
Publication date
Dec 27, 2001
Frank Whitehead
G02 - OPTICS