(under the class definition) Subject matter wherein an optical element moves or changes its optical characteristic to compensate for vibrations, atmospheric turbulence, etc., to maintain a stable image.
SEE OR SEARCH THIS CLASS, SUBCLASS:
399+, for telescopes.
401, for a telescope with antirotation.
402+, for periscopes.
407+, for binoculars.
SEE OR SEARCH CLASS 74, Machine Element or Mechanism,
5.22, for gyroscopes combined with other structure.
250, Radiant Energy,
201.1, for photocell control that could include image stabilization.
