A light guide member (220) useable for an object detection apparatus (101) is devised. The object detection apparatus (101) includes a light source unit (210), and a detection unit (206) for detecting an object adhered on a surface of a light translucent m...

A light guide member (220) useable for an object detection apparatus (101) is devised. The object detection apparatus (101) includes a light source unit (210), and a detection unit (206) for detecting an object adhered on a surface of a light translucent m...

An optical sensor that a deterioration of detecting accuracy is suppressed is provided, and an optical sensor that an increase of the number of components and an increase of a physical constitution are suppressed is provided. The optical sensor has a light...

A light-receiving signal from a photo diode is inputted to a control unit for generating rain drop information through a current high pass filter circuit (20, 20A), a current to voltage conversion circuit, a voltage high pass filter circuit (40, 40A), a pe...