Nippondenso Co., Ltd.

Yutaka Maeda

Masaya Nakamura

Manabu Yamada

Makoto Shirai

Masanori Fukutani

Naochika Nunogaki

Tomotsugu Terada

Katsuhide Akimoto

Sunlight sensor that detects a distrubition and amount of thermal load

Photosensor for detecting the position of incident light in two

An insolation sensor for detecting a substantial insolation direction from the sun including a light shading film an aperture defined therein and provided on one of the surfaces of a glass substrate. A position detection element having a photoelectric conversion film made of a semiconductor is formed on the other surface. The rays of light from the sun are incident as a spot beam H onto the position detection element through the aperture. The position detection element detects a center of the intensity of photocurrent at the beam receiving portion. Therefore, even when the intensity of each of the direct rays and scattered rays from the sun change on the ground depending on the weather conditions, the center position of the distribution of the insolation intensity can be detected in accordance with the weather conditions, and a substantial insolation direction can be detected.

Insolation sensor

Growing community of inventors

Takahama, Japan

Yutaka Maeda