Magnetic duplicator with multiple copies

Details Magnetic duplicator with multiple copies Magnetic duplicator with multiple copies

1979-05-14

1981-05-19

Cardillo, Jr., Raymond F.

Facsimile and static presentation processing

Facsimile

Recording apparatus

346 742, 358287, 358288, H04N 128, G03G 1900

Patent

active

042688728

ABSTRACT:
In a duplicator, a reflected light from a document or an original copy is converted into an electrical video signal by an image pickup element, and the electrical video signal is supplied to a magnetic recording head to form a magnetic latent image on a magnetic recording drum, in the latent image forming mode. In the copy mode, the magnetic latent image is developed by a magnetic toner, and the toner picture is transferred onto a recording paper which runs through a paper transport path. The transferred toner picture is fixed on the recording paper, and the remaining toner on the surface of the magnetic recording drum is scraped after the transfer operation. A set value of a copy register is compared with a counting value of a copy counter by a comparator. When the counting value reaches the set value, a copy end signal is generated. With the pushing of a copy switch, a control portion of the duplicator operates, first for the latent image forming mode and then for the copy mode. The copy mode is maintained without returning to the latent image forming mode, until the copy end signal is generated.

REFERENCES:
patent: 2762295 (1956-09-01), Varga
patent: 3161544 (1964-12-01), Berry
patent: 3301948 (1967-01-01), Todt
patent: 3684363 (1972-08-01), Ito et al.
patent: 3867569 (1975-02-01), Watson
patent: 3936045 (1976-02-01), Ariyama
patent: 4022122 (1977-05-01), Moser et al.
patent: 4051484 (1977-09-01), Marlin
patent: 4107742 (1978-08-01), Levy
patent: 4161738 (1979-07-01), Kokaji

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