Image forming method and apparatus

Details Image forming method and apparatus Image forming method and apparatus

1980-07-15

1983-07-12

Corbin, John K.

350332, G02F 113

Patent

active

043927190

ABSTRACT:
An image forming method and device for use in a document copier in which an optical image is projected upon a memory liquid crystal cell. A voltage is applied to the cell to determine whether the image recorded thereupon is a positive or negative image. The image recorded upon the memory liquid crystal cell is then projected upon a recording medium. A second image can be combined with that from the memory liquid crystal cell and projected therewith onto the recording medium.

REFERENCES:
patent: 3761171 (1973-09-01), Fields
patent: 3778149 (1973-12-01), Fields
patent: 3798452 (1974-03-01), Spitz et al.
Conference, 1972 SID Symposium, Digest of Technical Papers, San Francisco, Calif., USA (6-8 Jun. 1972), A. D. Jacobson, "Photoactivated Liquid Crystal Light Valves", pp. 70-71.

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