LINE LIGHT SOURCE AND CONTACT TYPE IMAGE SENSOR

PROBLEM TO BE SOLVED: To provide a line light source unit (line light source) in which light emitted from an ultraviolet light source is efficiently totally reflected in a light guide member by installing a fluorescent member applied on a light guide member surface, and light converted into visible...

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Bibliographische Detailangaben
1. Verfasser:	TOKITA NAOYUKI
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM BLASTING CALCULATING CINEMATOGRAPHY COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY ELECTROGRAPHY FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF HEATING HOLOGRAPHY IMAGE DATA PROCESSING OR GENERATION, IN GENERAL LIGHTING MECHANICAL ENGINEERING NON-PORTABLE LIGHTING DEVICES PHOTOGRAPHY PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR SYSTEMS THEREOF VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a line light source unit (line light source) in which light emitted from an ultraviolet light source is efficiently totally reflected in a light guide member by installing a fluorescent member applied on a light guide member surface, and light converted into visible light by the fluorescent member is emitted as illumination with the uniform distribution of strength (illuminance) from the emission part of the light guide member, and to provide a contact type image sensor (image sensor) on which the line light source is mounted and which irradiates the surface of an original with the illumination having the uniform distribution of strength (illuminance). SOLUTION: The line light source is characterized by comprising: a plurality of arrayed ultraviolet light sources; a light guide member for totally reflecting the light from these ultraviolet light sources inside and guiding the light to an emission part; and the fluorescent member which is formed on the light guide member and in which ultraviolet rays from the ultraviolet light source are scattered and reflected to be visible light. COPYRIGHT: (C)2009,JPO&INPIT