Single toner color image display apparatus and method

Details Single toner color image display apparatus and method Single toner color image display apparatus and method

1987-04-30

1989-02-28

Grimley, A. T.

Photocopying

Including fiber optics

355 3BE, 355 4, 355 30, 3461531, G03G 1500, G03G 1501, G03B 2752, G01D 1506

Patent

active

048090409

ABSTRACT:
A system for displaying graphic or pictorial intelligence, including half tones and the like. The system includes an endless belt having an electrically insulating externally facing surface; an electrostatic charge writing head for depositing an electrostatic charge pattern on said belt in correspondence to a desired image to be formed thereupon; a developing station for depositing toner upon said electrostatic image to render same visible; means to move said belt past said imaging and development stations and to a viewing position whereat said display may be seen by a user; and a casing enclosing said belt, writing head, and developing station, one side of the casing being provided with a transparent wall to enable the developed image to be perceived by the user.

REFERENCES:
patent: 2919170 (1959-12-01), Epstein
patent: 3069681 (1962-12-01), Sloan
patent: 4322734 (1982-03-01), Ebi et al.
patent: 4693951 (1987-09-01), Takasu et al.

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