Image sensor module and light guiding member used for the same

Details Image sensor module and light guiding member used for the same Image sensor module and light guiding member used for the same

2008-07-31

2010-02-09

Sohn, Seung C (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

C250S239000

Reexamination Certificate

active

07659503

ABSTRACT:
An image sensor module includes a light source, a light guide elongated in a first direction, a reflector covering the guide, and a light receiver for linear light reflected on a reading target in a second direction perpendicular to the first direction. The guide includes an incident surface for entering light from the light source, a reflecting portion for reflecting, in a direction crossing the first direction, the light from the incident surface, and a surface for emitting light from the reflecting portion as linear light elongated in the first direction. The reflector has an opening and an inclined surface. The opening extends in the first direction to pass the light reflected by the target. The inclined surface, at an end of the opening in the first direction, has a normal which is non-parallel to the first direction and a third direction perpendicular to the first and second directions.

REFERENCES:
patent: 4320291 (1982-03-01), Uramoto
patent: 6121755 (2000-09-01), Nowak et al.
patent: 6448573 (2002-09-01), Benton
patent: 6538727 (2003-03-01), Nicholas
patent: 6555837 (2003-04-01), Benton
patent: 6911803 (2005-06-01), Hanson
patent: 2000-125080 (2000-04-01), None

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