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Optical scanner

  • US 4,042,823 A
  • Filed: 03/17/1976
  • Issued: 08/16/1977
  • Est. Priority Date: 03/17/1976
  • Status: Expired due to Term
First Claim
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1. A scanner which comprises:

  • a. a laser beam source;

    b. a relay lens to adjust the diameter of a beam emergent from said source to a predetermined dimension;

    c. an inclined plate of transparent material, said plate located in the path of said beam to cause an emerging beam to be shifted a predetermined amount in a direction parallel to said beam;

    d. rotation means to cause said plate to rotate about the point at which said beam impinges upon said plate;

    e. optical transfer means located beyond said inclined plate to intercept and transmit said emerging beam; and

    f. a reflecting cone located beyond said optical transfer means to deflect a beam emerging from said optical transfer means to the surrounding environment.

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