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US 8,207,517 B2Granted
Photo interrupter
AssigneeEverlight Electronics Co., Ltd.
InventorsChin-Hsu Wang, Chih-Hao Hsu, Chun-Chih Liang
Life of this patent
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Abstract
A photo interrupter is provided. The photo interrupter includes a housing and a light emitting/receiving unit. The housing defines a recess portion and has a first engaging portion disposed in the recess portion. The light emitting/receiving unit has a second engaging portion. When the light emitting/receiving unit is disposed in the recess portion, the first engaging portion engages with the second engaging portion.
Claims12
A photo interrupter, comprising:
- a housing, comprising a first engaging portion, a first housing, and a second housing, wherein the first engaging portion comprises a first sub-engaging portion and a second sub-engaging portion respectively disposed in the first and second housings, and the first and second housings respectively define a first recess and a second recess;
- a light emitting/receiving unit, comprising a second engaging portion, a light emitting member disposed in the first recess, and a light receiving member disposed in the second recess;
- wherein the second engaging portion comprises a third sub-engaging portion and a fourth sub-engaging portion respectively disposed on the light emitting member and the light receiving member, the first sub-engaging member engages with the third sub-engaging member, and the second sub-engaging member engages with the fourth sub-engaging member.
Dependencies are inferred from the claim text.