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Light deflection device

  • US 4,717,241 A
  • Filed: 06/11/1985
  • Issued: 01/05/1988
  • Est. Priority Date: 06/11/1984
  • Status: Expired due to Term
First Claim
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1. A light deflection device for precisely deflecting a laser beam so that the laser beam can be precisely aligned coincident with at least one other laser beam, comprising a cantilever having a fixed end and a free end, a light deflecting element disposed in the vicinity of the fixed end of the cantilever and movable with high precision in response to movement of an intermediate portion of the cantilever between the fixed and free ends, and a deflection means for imparting a desired amount of deflection to the free end of the cantilever to cause a lesser deflection of the intermediate portion of the cantilever between the fixed end and free end, said deflection means comprising a screw and a motor, and said deflection means being capable of causing an angle of deflection of the light deflecting element to be precisely adjusted by the deflection imparted to the free end of the cantilever by the deflection means.

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