US PATENT SUBCLASS 356 / 139.05
.~.~ With optical elements moving relative to fixed housing to follow or align

Current as of: June, 1999
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356 /   HD   OPTICS: MEASURING AND TESTING

138  DF  ANGLE MEASURING OR ANGULAR AXIAL ALIGNMENT {11}
139.04  DF  .~ Automatic following or aligning while indicating measurement {3}
139.05.~.~ With optical elements moving relative to fixed housing to follow or align

DEFINITION

Classification: 356/139.05

With optical elements moving relative to fixed housing to follow or align:

(under subclass 139.04) Subject matter including optical elements in a housing that reorient the optical axis to follow or align the object independently of the housing.

(1) Note. Gimballed optical elements which may be in a subhousing that follows or aligns falls within the concept of this subclass.