Proximity sensor
AssigneePanasonic Corporation
InventorYosuke Morita
Life of this patent
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Abstract
A proximity sensor detects an object to be detected. The proximity sensor includes a board; at least three light emitting portions which are mounted on a surface of the board such that not all the light emitting portions is arranged on a straight line, and which emits light; and a light receiving portion which is mounted on the surface of the board so as to have a predetermined positional relationship with the three light emitting portions, and which receives reflected light derived from light emitted from the light emitting portions and reflected by the object to be detected.
Claims8
A proximity sensor for detecting an object to be detected, comprising:
- a board;
- at least three light emitting portions which are mounted on a surface of the board such that not all the light emitting portions is arranged on a straight line, and which emits light;
- and
- a light receiving portion which is mounted on the surface of the board so as to have a predetermined positional relationship with the three light emitting portions, and which receives reflected light derived from light emitted from the light emitting portions and reflected by the object to be detected.
Dependencies are inferred from the claim text.