公开(公告)号：US3723747A

公开(公告)日：1973-03-27

申请号：US3723747D

申请日：1971-06-03

Applicant: ELECTRO SIGNAL LAB

Inventor： STEELE D

IPC: G01N21/53 ,  G08B17/107 ,  G01N21/26

CPC classification number: G08B17/107 ,  G01N21/53 ,  G01N2201/0639 ,  G08B17/113

Abstract: A smoke detector with a first cell sensing light scattered from matter to be detected and a second compensating cell has an adjustable plug for varying light from a source to the compensating cell and a diffuser for spreading the adjusted light over the same area of the compensating cell as the area of the first cell exposed to scattered light.

Abstract translation: 具有感测从要检测的物质散发的光的第一单元的烟雾探测器和第二补偿单元具有用于从光源到补偿单元的变化的光的可调节插头和用于将调节的光扩散在补偿单元的相同区域上的扩散器 因为第一个电池的面积暴露于散射光。