Photocopying – Projection printing and copying cameras – Combined with or convertible to a contact printer
Patent
1978-05-04
1980-08-19
Moses, R. L.
Photocopying
Projection printing and copying cameras
Combined with or convertible to a contact printer
355 3SH, G03G 1500
Patent
active
042181291
ABSTRACT:
An electrophotographic apparatus particularly suitable for printing a plurality of duplicated copies from each of a plurality of sheet-like documents comprising a sheet-like document feeding device for feeding the sheet-like document at a constant velocity, an optical system including an illumination lamp and a projecting lens for exposing and scanning the document during the traveling of the document, a photosensitive drum for forming a latent image corresponding to the document image and retaining the latent image for a relatively long time period, a device for developing the latent image with toner particles, a device for transferring the toner image onto a record paper and a device for fixing the toner image on the paper. After the latent image has been once formed on the photosensitive drum the given number of duplicated copies are formed by repeatedly effecting the development, transfer and fixing operations. The document can be set in the document feeding device while the duplicating operation for forming a plurality of copies for the previous document is carried out.
REFERENCES:
patent: 3623806 (1971-11-01), Short
patent: 3752573 (1973-08-01), Miller
patent: 3830590 (1974-08-01), Harris et al.
patent: 3886329 (1975-05-01), Kamiyama
patent: 4000943 (1977-01-01), Bar-On
patent: 4046466 (1977-09-01), Ando et al.
Ishimoto Osamu
Nishikawa Masaji
Yamazaki Masaru
Moses R. L.
Olympus Optical Co,. Ltd.
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