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3812490
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Information
Patent Grant
3812490
References
Source
Patent Number
3,812,490
Date Filed
Not available
Date Issued
Tuesday, May 21, 1974
50 years ago
CPC
G09G3/3486 - using light modulating elements actuated by a magnetic field
G02B26/004 - based on a displacement or a deformation of a fluid
G08B5/22 - using electric transmission using electro-magnetic transmission
G09F9/372 - the positions of the elements being controlled by the application of an electric field
G09F9/375 - the position of the elements being controlled by the application of a magnetic field
G09G3/16 - by control of light from an independent source
G11B5/62 - Record carriers characterised by the selection of the material
US Classifications
345 - Computer graphics processing and selective visual display systems
359 - Optical: systems and elements
G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
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