Photocopying – Including fiber optics
Patent
1978-11-17
1980-10-07
Hix, L. T.
Photocopying
Including fiber optics
355 67, 355 99, G03B 2754
Patent
active
042265231
ABSTRACT:
An imaging device for flash imaging, through an imaging mask at an imaging film plane, a dry-process imaging film having a layer of an energy dispersible image forming material on a surface thereof. The device comprises electromagnetic energy collecting means which is associated with a source of electromagnetic energy. The energy collecting means includes an energy transmitting body which directs, collimates and shapes the electromagnetic energy emitted by the energy source. The energy collecting means also includes energy intercepting and reflecting members which form a chamber in which the energy source and the energy transmitting body are at least partially encased. A housing is provided for maintaining the energy transmitting body and the energy intercepting and reflecting members in a predetermined position with relation to one another, the energy source and the imaging mask at the imaging film plane. The imaging device is especially adapted for flash imaging microfiche cards comprised of pre-formed areas or zones of an energy dispersible image forming material, and enables an electromagnetic energy source such as a Xenon flash tube to be operated at lower energy levels for shorter time periods thereby appreciably reducing energy costs and prolonging the useful life of the flash tube, while at the same time providing excellent image resolution in all directions in the imaging film.
REFERENCES:
patent: 3241437 (1966-03-01), Thiels
patent: 3514200 (1970-05-01), Bowker
patent: 3692994 (1972-09-01), Hirschman et al.
patent: 3966317 (1976-06-01), Wacks et al.
Marshall Gerald F.
Ovshinsky Herbert C.
Brady W. J.
Energy Conversion Devices Inc.
Hix L. T,.
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