Optical: systems and elements – Single channel simultaneously to or from plural channels – By surface composed of lenticular elements
Patent
1999-10-06
2000-05-02
Mack, Ricky
Optical: systems and elements
Single channel simultaneously to or from plural channels
By surface composed of lenticular elements
G02B 2710
Patent
active
06057965&
ABSTRACT:
An improved system for scanning images is provided. The system includes a housing having a transparent support surface on which the document or other image being scanned is placed. The housing further contains an array of generally triangular-shaped prisms optically aligned. The array of prisms is coated with one of two types of electro-optical materials, one that makes the prisms reflective in the presence of an electromagnetic field and transparent in the absence of an electromagnetic field, and another that makes the prisms reflective in the absence of an electromagnetic field and transparent in the presence of an electromagnetic field. The electromagnetic field is created by applying a voltage across the coated prisms. A sequencer is used to activate individual electro-optical prisms so that the slices of the image can be reflected. By sequentially activating the electro-optical prisms, successive slices of the image can be presented to an image receptor disposed outside of the housing. A partially reflective mirror disposed within the housing redirects slices of the image reflected by the array of prisms into the image receptor. The system further includes a light source, which is disposed behind the partially reflective mirror outside of the housing. The light source is provided to illuminate the image being scanned. If the image receptor accepts digital input, the sequential images can be digitized for processing, storage and/or transmission.
REFERENCES:
patent: 5986808 (1999-11-01), Wang
Angelo Michael F.
Prakash Ramkrishna
Whiteman William
Chichester Ronald L.
Compaq Computer Corporation
Katz Paul N.
Mack Ricky
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