LED array device for printer

Details LED array device for printer LED array device for printer

1984-09-11

1986-08-12

Davie, James W.

Electric lamp and discharge devices

With temperature modifier

For lead-in-seal or stem protection

357 16, 357 45, 313500, H01L 3300

Patent

active

046059440

ABSTRACT:
An LED array device includes a plurality of LED units and a board for supporting the plurality of LED units. Each LED unit has a plurality of LED elements aligned straight in a predetermined pitch with a predetermined spacing between neighboring LED elements. The plurality of LED units are aligned straight with their end edges confronting each other such that an array of LED elements on one LED unit is in alignment with an array of LED elements on a next LED unit with the predetermined pitch being maintained. A spacing between an LED element positioned at the end of the alignment on the LED unit and the end edge of the LED unit is less than a half of the predetermined spacing.

REFERENCES:
patent: 3821616 (1974-06-01), Kravitz
patent: 3850517 (1974-11-01), Stephany et al.
patent: 4182025 (1980-01-01), Wickenden
patent: 4318597 (1982-03-01), Kotani et al.
Proceedings of the SID, vol. 23/2, 1982, pp. 81-84, "Optical Printer Using LED Array".
Nikkei Electronics, "LED Printer Emplying Amorphous Si Photosensitive Drum", pp. 92-95, Apr. 9, 1984.

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