Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Patent
1989-06-23
1991-01-15
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
250561, 358482, H01J 4014
Patent
active
049856170
ABSTRACT:
A device in which a manuscript is passed between moving member, such as a seamless rotating body, and a reading device to allow the latter to read an image of the manuscript. Facing the rotating body, a detector for detecting a front end of the manuscript is mounted to a support member to which the reading device is also mounted. It becomes thereby possible to improve accuracy in detection, and, at the same time, to provide the entire manuscript reader in a small size.
REFERENCES:
patent: 4417148 (1983-11-01), Otake
patent: 4467195 (1984-08-01), Kawamura et al.
patent: 4553036 (1985-11-01), Kawamura et al.
patent: 4805032 (1989-02-01), Watanabe et al.
patent: 4899227 (1990-02-01), Yamada
Canon Kabushiki Kaisha
Le Que Tan
Nelms David C.
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