Printhead with plural arrays of printing elements

Details Printhead with plural arrays of printing elements Printhead with plural arrays of printing elements

2005-03-08

2005-03-08

Pham, Hai (Department: 2861)

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

Reexamination Certificate

active

06864908

ABSTRACT:
A xerographic print engine employs a photoreceptor with an image receiving surface, a printhead for directing light to the photoreceptor to produce thereon a latent image, and a developer for converting the latent image to a printable image to be transferred from the photoreceptor to a print medium during a relative motion between the photoreceptor and the print medium. The printhead has light emitting diodes disposed in plural rows arranged alongside each other on a substrate which also supports driver circuitry connecting with imaging electronics for activating individual ones of the diodes. An optical element focuses light of the diodes onto a row of the latent image, the focussing being accomplished concurrently for individual ones of the diodes located in a plurality of the rows.

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patent: WO 8204353 (1982-12-01), None
JP 61 160982, “Led Array Head”, Abstract, publication Date Jul. 21, 1986.

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