Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Patent
1990-12-17
1992-08-04
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
250221, 382 59, H01J 4014, G06K 922
Patent
active
051361515
ABSTRACT:
An image reading apparatus of the invention is designed to read an image on a manuscript. The manuscript may be located under or above the image reading apparatus. The image reading apparatus comprises a casing, a reading mechanism situated inside the casing, an actuating mechanism situated inside the casing for moving the reading mechanism, and a circuit mechanism for controlling the reading mechanism and the actuating mechanism. The casing has a reading window formed inside an upper or bottom portion of the casing. An image to be read is placed adjacent to the reading window, and the reading mechanism reads the image through the reading window. The circuit mechanism is provided with at least one circuit plate, which is located at one side of the casing above or below a moving area of the reading mechanism. Accordingly, the size of the image reading apparatus is minimized. A grip is integrally formed with the casing, and the circuit plate is retained inside the grip.
REFERENCES:
patent: 4639790 (1987-01-01), Kusaka
patent: 4847484 (1989-07-01), Kikuchi
patent: 4862512 (1989-08-01), Hidaka et al.
Messinger Michael
Nelms David C.
Nisca Corporation
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