Photocopying – Projection printing and copying cameras – Combined with or convertible to a contact printer
Patent
1981-02-17
1982-07-27
Moses, Richard L.
Photocopying
Projection printing and copying cameras
Combined with or convertible to a contact printer
355 3BE, 355 77, G03G 1500
Patent
active
043414648
ABSTRACT:
A reproduction apparatus comprises a rotatable drum having trained over its circumferential surface a length of finite belt that extends and is transportable back and forth between two supply reels inside the drum and is impressible with image information to be transferred to receiving material at a transfer station adjacent to the drum surface. During transport of the belt in either direction relative to the drum surface the drum is held at a peripheral velocity which depends upon the direction of the belt transport and, considering both magnitude and direction, is equal to a given processing velocity of the belt relative to the transfer station minus the velocity of transport of the belt over the drum surface. Thus, the transport of the belt relative to the transfer station is always in the same direction and of the same magnitude, whether the belt is being transported from one reel to the other or back from the other to the one reel.
REFERENCES:
patent: 3480361 (1969-01-01), Doi et al.
patent: 3706489 (1972-12-01), Moxness et al.
patent: 4068942 (1978-01-01), Penwell
patent: 4076183 (1978-02-01), Kingsley
patent: 4076410 (1978-02-01), Kono et al.
patent: 4231652 (1980-11-01), Moser et al.
Johnston Albert C.
Moses Richard L.
Oce'-Nederland, B.V.
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