Optical device for a surface vehicle guidance system using a...

Details Optical device for a surface vehicle guidance system using a... Optical device for a surface vehicle guidance system using a...

G - Physics

05

B

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G05B 1/00 (2006.01) E02F 9/20 (2006.01) G05D 1/02 (2006.01) H01J 3/14 (2006.01)

Patent

CA 1079384

AN OPTICAL DEVICE FOR A SURFACE VEHICLE GUIDANCE SYSTEM USING A LIGHT-CONTRAST PROGRAMME Abstract of the Disclosure An optical device comprising an illuminator, a receiver located below the illuminator and a scanner. The scanner is designed two identical mirror prisms rigidly coupled to each other and rotatably mounted on a common axle. One of the prisms intercepts the light beams of the illunimator. The other prism is placed below the former so that it intercepts the light beams reflected form the light-contrast pattern bearing surface being explored and directed to the receiver. A gap is provided between the mirror prisms which accommoda- tes a partition made of a light-tight material. The casing is provided with two viewing windows which correspond to said mirror prisms. The above design of the scanner makes it possi- ble to use the optical device in automatic guidance systems on board vehicles operating under any environmental conditions both in the day-time and at night on various surfaces bearing a light-contrast pattern.

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