Patent ID: 9435886
Filing Date: 2016-09-06
CPC Classification: G01S,H01L,Y10T

Claim Text:
1. A proximity sensor, comprising: a transmitter unit, for transmitting a light signal; a receiver unit, for receiving the light signal reflected by an object to determine a proximity status of the object; and a housing having at least a portion which defines an enclosed receiver accommodation space for surrounding and accommodating the receiver unit, wherein the portion of the housing defining the enclosed receiver accommodation space includes a sealed first light passage made of a light-transmissible material, and the light passage is provided for the light signal reflected by the object to pass through; wherein the housing includes a portion made of the light-transmissible material whose surface is partially covered by the light shielding material such that the uncovered light-transmissible material forms the first light passage, and the enclosed receiver accommodation space formed by the housing is larger than the receiver unit so that there is empty space around the receiver unit, wherein the housing includes a top cover and at least one partition wall both made of the light-transmissible material, and the light shielding material includes at least one side shielding layer and a top shielding layer, wherein the at least one side shielding layer is adhered to the partition wall and the top shielding layer is adhered to a bottom surface of the top cover, or the at least one side shielding layer is adhered to the partition wall and the top shielding layer is adhered to a bottom surface and a top surface of the top cover.