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Stabilized optical sighting system

  • US 5,867,317 A
  • Filed: 09/19/1996
  • Issued: 02/02/1999
  • Est. Priority Date: 09/19/1995
  • Status: Expired due to Fees
First Claim
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1. A stabilized sighting system having:

  • sight means including an aiming mirror apt to be steered by control motors about an elevation axis and about a circular axis, said circular axis being relative to a support, said control motors being driven for deflecting a light beam received along a set sighting line in a geographical frame of reference (x, y, z) by amounts such that said beam is directed along the circular axis,measurement means for measuring real angles imparted to said aiming mirror by said control motors about said circular axis and about an elevation axis,a gyro unit carried by said support and arranged for continuously supplying data enabling conversion of an angular position in the geographical framer of reference (x, y, z) to a position in a frame of reference tied to said support (x1, y1, z1); and

    a computer and servo-control unit for computing an actual angular position of the sighting line from information provided by said measurement means and from stored parameters modelling at least optical and mechanical defects of the sighting system, for transmitting said actual angular position to a user device and for controlling said control motors based on information received from said gyro unit and from said measurement means.

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