Linear light source and image reading device provided with this

Illumination – Plural light sources

Reexamination Certificate

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C362S230000, C358S475000

Reexamination Certificate

active

06953263

ABSTRACT:
A linear light source (A) including an insulating substrate (1), a plurality of light emitting elements (3) arranged in columns on the substrate (1), a wiring pattern (2) connected with the light emitting elements (3) and co formed on the substrate (1) so as to divide the light emitting elements (3) into a plurality of groups (B1to Bn), and first and second terminal units (23a, 23b) in continuity with the wiring pattern (2). The plurality of light emitting elements (3) define a plurality of clearances (P1to P2−1) between adjacent light emitting elements, the clearances (P P1to P2−1) being adjusted so as to have different lengths.

REFERENCES:
patent: 5283425 (1994-02-01), Imamura
patent: 5313289 (1994-05-01), Nagane et al.
patent: 5430484 (1995-07-01), Nagane et al.
patent: 3-97276 (1991-04-01), None
patent: 3-258158 (1991-11-01), None
patent: 6-64228 (1994-04-01), None
patent: 6-98096 (1994-04-01), None
patent: 10-190945 (1998-07-01), None

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