Photocopying – Projection printing and copying cameras – Combined with or convertible to a contact printer
Patent
1987-11-06
1988-11-01
Prescott, A. C.
Photocopying
Projection printing and copying cameras
Combined with or convertible to a contact printer
355 3FU, G03G 1520
Patent
active
047823623
ABSTRACT:
The timing signal generated by the paper sending-out roller or the paper detector outputs a signal with synchronously the paper sending-out cycle. The flash lamp photoflashes with synchronously the output signal. The photoflash is generated in accordance with length of carrying direction of the paper. The paper sending-out roller sends out one of a plurality of the papers in accordance with a predetermined timing signal, and the flash lamp photoflashes at a predetermined number of times and stops the flashlight at a predetermined time in accordance with the predetermined timing signal as an index. The paper detector is installed at a position close to the paper carrying apparatus line from the flash fusing apparatus, and a delay circuit is provided so as to delay the detection output of the paper detector with a predetermined time. No photoflash irradiates the gap between a precede paper and a next paper at the continue printing the a plurality of cut sheets.
REFERENCES:
patent: 4542980 (1985-09-01), Tajima
patent: 4609279 (1986-09-01), Hausmann et al.
patent: 4668073 (1987-05-01), Hatabe et al.
Fujiware Shigetaka
Higaki Masaru
Kumasaka Takao
Mitsuya Teruaki
Hitachi , Ltd.
Hitachi Koki Co,. Ltd.
Prescott A. C.
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