Recorders – Printing – dotting – or punching marker – Ink transfer support or moving means
Patent
1989-01-23
1989-12-26
Evans, Arthur G.
Recorders
Printing, dotting, or punching marker
Ink transfer support or moving means
3461601, G01D 1700
Patent
active
048901245
ABSTRACT:
In a printing apparatus, there are provided a transfer drum having a charge storage layer and an electrode provided on one side thereof, a printing head having a photoconductive layer provided at the other side thereof, a transparent electrode provided on the photoconductive layer such that the photoconductive layer and the charge storage layer are interposed between the transparent electrode and the electrode, a beam applying device for applying a constant laser beam to the photoconductive layer from a side of the transparent electrode, a printing signal applying device for applying a printing signal between the transparent electrode and the electrode, developing device for developing the charge pattern, and photographic fixing device for fixing the developed charge pattern on a piece of paper. Since the charge storage layer on a transfer drum is provided apart from the photoconductive layer, the laser printer has a simple structure, and can be presented with low cost.
REFERENCES:
patent: 4803565 (1989-02-01), Teshigawara et al.
patent: 4831408 (1989-05-01), Yoshikawa
Asakura Tsutou
Furuya Masato
Nakagaki Shintaro
Shinonaga Hirohiko
Takanashi Itsuo
Evans Arthur G.
Victor Company of Japan Ltd.
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