Photocopying – Projection printing and copying cameras – Original moves continuously
Patent
1989-01-24
1990-04-03
Griffin, Donald A.
Photocopying
Projection printing and copying cameras
Original moves continuously
G03G 1500
Patent
active
049144731
ABSTRACT:
A multiple-exposure apparatus in a graphic arts copying machine of a slit-exposure type includes an original holding member mounted for horizontal reciprocating motion. An optical exposure system exposes an optical image of a slitwise segment of the original onto a photosensitive material. A moving device reciprocates the holding member and conveys the photosensitive material relative to the optical system. The moving device is adapted to synchronize the advance of the original holding member and the conveyance of the photosensitive material. A data setting device is provided for setting predetermined data concerning a predetermined multiple-exposure layout mode of the original onto the photosensitive material. A control unit controls the operation of the optical exposure system by enabling and disabling the exposure by the optical system and also synchronizes the moving device in an associated relationship as a function of the predetermined set data. Multiple-exposures of the original thus are made on the photosensitive material in the prederemined multiple-exposure layout mode.
REFERENCES:
patent: 3656851 (1972-04-01), Kakii et al.
patent: 4487501 (1984-12-01), Suzuki et al.
patent: 4660957 (1987-04-01), Ueda et al.
Handa Masayuki
Matsukawa Masaaki
Miyasaka Eiji
Sugimoto Yoshio
Takeda Morihiro
Dainippon Screen Mfg. Co,. Ltd.
Griffin Donald A.
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