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Vehicle control scanning system

  • US 4,099,591 A
  • Filed: 09/02/1976
  • Issued: 07/11/1978
  • Est. Priority Date: 09/02/1976
  • Status: Expired due to Term
First Claim
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1. A vehicle control scanning system comprising:

  • (a) a network of reflective target members disposed along the expected path of said vehicle and on both sides of said path;

    (b) vehicle carried optical scanning means for generating scanning optical beams for scanning said target members on both sides of said path during travel of said vehicle;

    (c) said scanning means including(i) a light source for providing a single optical beam;

    (ii) a rotating mirror having a plurality of facets;

    (iii) a mirror system interposed in the path of said optical beam and being constructed and arranged to reflect said beam simultaneously to two different facets of said rotating mirror to provide two simultaneously scanning beams; and

    (d) vehicle carried detection means positioned for detecting the reflected optical beams from said both sides.

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