US PATENT SUBCLASS 250 / 203.2
.~.~.~ Target illuminated by artificial light source

Current as of: June, 1999
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250 /   HD   RADIANT ENERGY

200  DF  PHOTOCELLS; CIRCUITS AND APPARATUS {11}
201.1  DF  .~ Photocell controls its own optical systems {8}
203.1  DF  .~.~ Following a target (e.g., a star or instrument pointer or other object) other than a pattern {2}
203.2.~.~.~ Target illuminated by artificial light source

DEFINITION

Classification: 250/203.2

Target illuminated by artificial light source:

(under subclass 203.1) Subject matter in which the object to be tracked is, as disclosed, illuminated by an artificial light source, e.g., a laser, and the light from that source which is reflected from the target is detected and used to track the object.