Scanner unit and carriage therefor

Details Scanner unit and carriage therefor Scanner unit and carriage therefor

2005-04-12

2005-04-12

Coles, Edward (Department: 2622)

Facsimile and static presentation processing

Facsimile

Picture signal generator

C349S064000, C358S509000, C399S211000

Reexamination Certificate

active

06879414

ABSTRACT:
A scanner unit has first and second carriages under an original table glass. The first carriage has a first frame extending from a front side to a rear side along the original table, that is, in a main scan direction. Two rails for supporting both end portions of the first frame such that the first frame may slide in a sub-scan direction are provided on the front side and rear side of the scanner unit. A cold cathode fluorescent lamp is mounted on the first frame. In order to make a high-voltage-side harness of the cold cathode fluorescent lamp as short as possible, an inverter circuit board, which is a lighting circuit, is disposed as close as possible to a positive electrode of the cold cathode fluorescent lamp. A weight is attached on a side opposite to the inverter circuit board, thereby to stabilize a weight balance of the first frame in the main scan direction.

REFERENCES:
patent: 2923854 (1960-02-01), Banios
patent: 4765424 (1988-08-01), Daley
patent: 5653714 (1997-08-01), Dietz et al.
patent: 5920408 (1999-07-01), Nagano
patent: 362113595 (1987-05-01), None
patent: 9-244156 (1997-09-01), None

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