Line illumination device and image input apparatus using the same

A lighting device and wiring technology, which is applied to the components of lighting devices, lighting devices, lighting and heating equipment, etc., and can solve the problems of unrecorded storage, unrecorded light guide and light source storage, etc.
CN101277359AInactive Publication Date: 2008-10-01MITSUBISHI ELECTRIC CORP
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
MITSUBISHI ELECTRIC CORP
Publication Date
2008-10-01
Estimated Expiration
Not applicable Β· inactive patent

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Abstract

The invention provides a line illumination device with a compact structure containing a light source and a light-guiding body inside a frame as well as a simple power supply structure of the light source, and an image input device using the line illumination device. The rod-shaped light-guiding body (1) is contained inside the frame (6), and the light source (3) emitting light into the light-guiding body (1) is arranged at the end part of the light-guiding body (1) so that a flexible substrate (4) loading the light source (3) is bent and contained inside the frame (6); wiring installed on the flexible substrate (4) supplies power for the light source (3) so as to emit out line-shaped light from the light-guiding body (1).
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Description

technical field

[0001] The present invention relates to a line illuminating device that injects light from a light source into a light guide and emits it in a linear form, and an image input device using the line illuminating device for discriminating banknotes and the like. Background technique

[0002] Conventionally, image sensors have been used in equipment such as facsimile machines and scanners. For the image sensor, a line illumination device is generally used.

[0003] [Patent Document 1] Japanese Patent Laid-Open No. 2001-357429 (Fig. 3)

[0004] [Patent Document 2] Japanese Patent Laid-Open No. 2003-60854 (Fig. 1)

[0005] [Patent Document 3] Japanese Patent Laid-Open No. 2004-64146 (Fig. 1)

[0006] As such a line lighting device, Patent Document 1 ( FIG. 3 ) describes a configuration in which LEDs mounted on a substrate are arranged on side surfaces (ends) of a light guide. In addition, Patent Document 2 ( FIG. 1 ) describes a structure in which a light guide...

Claims

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