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Device mountable in a craft for the recording of data from a remote object

  • US 4,017,145 A
  • Filed: 04/29/1975
  • Issued: 04/12/1977
  • Est. Priority Date: 05/09/1974
  • Status: Expired due to Term
First Claim
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1. In a device arranged to record data from a remote object constituted by a surface while being moved in a given direction relative to such surface, the device including a primary element mounted for continuous rotation about a main axis and presenting a radiation reflecting surface oriented at a fixed angle of 45 degrees to the main axis and the main axis being substantially perpendicular to the surface, the improvement wherein said device further comprises a first plane mirror permanently disposed on one side of said main axis a second plane mirror permanently disposed on the opposite side of said main axis, at least one of said mirrors being oriented so that its reflecting surface extends at an angle unequal to 45°

  • to the main axis, and two pivotally mounted mirror support shafts each carrying a respective one of said plane mirrors and each lying in a plane which is perpendicular to the main axis.

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