Image reader having electrical and optical means for varying mag

Details Image reader having electrical and optical means for varying mag Image reader having electrical and optical means for varying mag

1991-08-09

1992-12-01

Fuller, Benjamin R.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358451, 355 55, 382 47, H04N 1387, H04N 1393, G06K 942, G03B 2752

Patent

active

051683695

ABSTRACT:
An optical image reader having the capacity to vary magnification both electrically and optically is provided. Operator controls permit variable magnification of image signals to a desired level. An optical sensor can be independently moved for focusing.

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patent: 4701808 (1987-10-01), Nagashima
patent: 4771473 (1988-09-01), Sugiura
patent: 5083216 (1992-01-01), Abuyama

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