Image reading apparatus having detachable optical system

Details Image reading apparatus having detachable optical system Image reading apparatus having detachable optical system

1990-09-10

1994-08-02

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Picture signal generator

382 59, H04N 1024

Patent

active

053350901

ABSTRACT:
An image reading apparatus according to the present invention comprises a first unit for scanning an original while exposing the original to light, and a second unit detachably provided to the first unit for receiving light from the first unit and converting an original image into electrical signals. The first unit includes a light source for irradiating the original and an optical member for projecting the original image at a predetermined position. The second unit is provided in the vicinity of the predetermined position and includes an image sensor for reading the original image to generate the electrical signals, a signal processing portion for processing the electrical signals generated from the image sensor, and a storage portion for storing the processed electrical signals.

REFERENCES:
patent: 4731668 (1988-03-01), Satomura et al.
patent: 4887165 (1989-12-01), Sato et al.
patent: 4947261 (1990-08-01), Ishikawa et al.
patent: 4969054 (1990-11-01), Tsuji et al.
patent: 5045953 (1991-09-01), Kotani et al.

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