Recorders – Printing – dotting – or punching marker – Ink transfer support or moving means
Patent
1984-12-03
1987-01-13
Evans, Arthur G.
Recorders
Printing, dotting, or punching marker
Ink transfer support or moving means
50336, 346108, G01D 1514
Patent
active
046368175
ABSTRACT:
Two rows or three rows of shutter apertures are arranged in mutually staggered fashion to form a shutter array element. In the case of two rows of shutter apertures, the distance between adjacent shutter apertures in each row is set to be 1.22-2.0 times the length of one shutter aperture in the direction of extension of each row of the shutter apertures, while, in the case of three rows of shutter apertures, the distance between adjacent shutter apertures in each row is 2.4-3.3 times the length of one aperture in the direction of each row. When this shutter array element is used as a light signal generating means for an electrophotographic printer, improvement in quality of images can be attained.
REFERENCES:
patent: 4524372 (1985-06-01), De Cock et al.
Canon Kabushiki Kaisha
Evans Arthur G.
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