Micro-image handling apparatus with automatic focusing function

Details Micro-image handling apparatus with automatic focusing function Micro-image handling apparatus with automatic focusing function

1990-06-01

1991-06-11

Mathews, A. A.

Photocopying

Projection printing and copying cameras

With focusing or projection screen

355 56, 353 26A, G03B 2728

Patent

active

050236571

ABSTRACT:
A microreader-printer having an automatic focusing function. According to this reader-printer, an autofocusing operation is discontinued in response to a frame search command, removal of a projecting lens from an optical path and removal of a microfilm carrier from an operative position. On the contrary, a print command being generated during the autofocusing operation in congress is suspended until the completion of the autofocusing operation.

REFERENCES:
patent: 4733262 (1988-03-01), Taniguchi et al.
patent: 4768052 (1988-08-01), Hamada et al.
patent: 4790649 (1988-12-01), Harada et al.
patent: 4791445 (1988-12-01), Akada et al.
patent: 4816860 (1989-03-01), Ida et al.

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