Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Patent
1996-07-09
1998-07-14
Allen, Stephone B.
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
358482, G01J 104
Patent
active
057808406
ABSTRACT:
A close contact type image sensor having an improved structure and manufacturing process utilizes a body having integral reflective surfaces to eliminate assembly steps. The body and reflective surfaces are formed using different plastic materials in a single injection molding process. A material having highly reflective characteristics is used for the reflective surfaces. A light source is aligned with the reflective surface by pins in the sensor body which are inserted into holes in the light source. Alternatively, the light source can be mounted on a printed circuit board which has holes that are aligned with the pins. A self focusing lens is mounted in the body to focus reflected light onto a light detector which is mounted on a printed circuit board. A transparent cover piece is mounted in an opening in the body. Flat spring clips secure the printed circuit board to the body of the sensor.
REFERENCES:
patent: 5182445 (1993-01-01), Yamashita
patent: 5280364 (1994-01-01), Kihara et al.
patent: 5383034 (1995-01-01), Imamura et al.
patent: 5434682 (1995-07-01), Imamura et al.
patent: 5579114 (1996-11-01), Imamura
Jung Seung-Shik
Lee Young-Jae
Yang Dong-Choul
Allen Stephone B.
Samsung Electronics Co,. Ltd.
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