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International Congress on Applications of Lasers & Electro-Optics | 1989

Micro object detecting sensor using a laser diode

Yasunobu Sakai; Hirofumi Kitajima; Tsukasa Yamashita

A new micro object detecting sensor using diffracted light wave was developed. A linelike micro-object on the order of tenth micrometers in diameter can be detected over a large operating range of 0. 5mm wide 80mm long. The sensitivity of this sensor is not affected by the color material or diameter of the object. Futhermore the sensor is able to detect not only the existence of the object but also the lateral direction of the moving object when it gets out of the operating range.


Optical Review | 1995

Optical Spatial Filter Sensor for Ground Speed

Yasunobu Sakai; Tetsuya Uno; Junichi Takagi; Tsukasa Yamashita


Archive | 1994

Road surface discriminator and apparatus applying same

Tetsuya Uno; Takeshi Ishida; Junichi Takagi; Yasunobu Sakai


Archive | 1995

Sensor for detecting raindrops, wiper drive apparatus using the device, and vehicle using them

Hiroshi Fukui; Yasunobu Sakai; Junichi Takagi


Jsae Review | 1995

Road Surface Recognition Method Using Optical Spatial Filter

Tetsuya Uno; Yasunobu Sakai; Junichi Takagi; Tsukasa Yamashita


Archive | 1993

Optical device for measuring speed

Tetuya Uno; Junichi Takagi; Yasunobu Sakai


Archive | 1997

General operation integrated control method and its controller

Hisashi Takeuchi; Takayoshi Takahara; Yasunobu Sakai


Archive | 1994

Road-surface examining device and device using it

Tetsuya Uno; Takeshi Ishida; Junichi Takagi; Yasunobu Sakai


Archive | 1994

Object discriminator ( road surface )

Takeshi Ishida; Yasunobu Sakai; Junichi Takagi; Tetsuya Uno


Archive | 1995

Regentropfensensor, Scheibenwischeranlage mit einem derartigen Sensor und damit ausgerüstetes Kraftfahrzeug Raindrop sensor windshield wiper system with such a sensor and motor vehicle equipped therewith

Hiroshi Fukui; Yasunobu Sakai; Junichi Takagi

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