Line sensor apparatus

Details Line sensor apparatus Line sensor apparatus

1990-06-19

1992-01-07

Boudreau, Leo H.

Facsimile and static presentation processing

Facsimile

Recording apparatus

357 81, 250238, H04N 5335

Patent

active

050796356

ABSTRACT:
A line sensor apparatus is adapted to read a character or pattern image on a document. In this apparatus, an illumination device for illuminating the document, a optical lens for focusing the light beam reflected by the document, a CCD line reading sensor for photoelectrically converting the light beam focused by the optical lens into an electric signal, and a holding member for holding the CCD line sensor and the optical lens are assembled as one body in such a manner as to constitute a carriage device. A uniformly radiated heat-radiating plate is in contact with the entire botttom surface of a support for the CCD line sensor, so that the heat generated by the CCD line sensor is radiated from the heat-radiating plate. Further, the CCD line sensor is kept in tight contact with the holding member, so that the heat generated by the CCD line sensor is also radiated from the holding member.

REFERENCES:
patent: 3227885 (1966-01-01), Hirai et al.
patent: 4670795 (1987-06-01), Yamanishi
patent: 4783700 (1988-11-01), Nagane
patent: 4803561 (1989-02-01), Kubota
patent: 4893196 (1990-01-01), Koshiyouji et al.
patent: 4926227 (1990-05-01), Jensen
patent: 4926242 (1990-05-01), Itoh et al.

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