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Richard V. Johnson
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Pasadena, CA, US
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last 30 patents
Information
Patent Grant
Cross scan beam positioner for multiple channel laser ROS
Patent number
4,514,739
Issue date
Apr 30, 1985
Xerox Corporation
Richard V. Johnson
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for improving resolution of scophony scanning...
Patent number
4,357,627
Issue date
Nov 2, 1982
Xerox Corporation
Richard V. Johnson
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Acousto-optic device utilizing Fresnel zone plate electrode array
Patent number
4,348,079
Issue date
Sep 7, 1982
Xerox Corporation
Richard V. Johnson
G02 - OPTICS
Information
Patent Grant
Electronic alignment of laser beam utilized in a laser scanning system
Patent number
4,308,544
Issue date
Dec 29, 1981
Xerox Corporation
John A. Lucero
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
TIR Electro-optic modulator with individually addressed electrodes
Patent number
4,281,904
Issue date
Aug 4, 1981
Xerox Corporation
Robert A. Sprague
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Single sideband scanner
Patent number
4,253,725
Issue date
Mar 3, 1981
Xerox Corporation
Richard V. Johnson
G02 - OPTICS
Information
Patent Grant
Laser scanning utilizing facet tracking and acousto pulse imaging t...
Patent number
4,205,348
Issue date
May 27, 1980
Xerox Corporation
Leonard C. DeBenedictis
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Facet tracking in laser scanning
Patent number
4,170,028
Issue date
Oct 2, 1979
Xerox Corporation
Leonard C. DeBenedictis
G06 - COMPUTING CALCULATING COUNTING