US PATENT SUBCLASS 359 / 212
.~.~ Including reflective type moving element

Current as of: June, 1999
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359 /   HD   OPTICS: SYSTEMS (INCLUDING COMMUNICATION) AND ELEMENTS

196  DF  DEFLECTION USING A MOVING ELEMENT OR MEDIUM (OFFSETTING OR CHANGING AT LEAST A PORTION OF THE BEAM) {3}
197  DF  .~ Using a periodically moving element (periodic change of optically reflecting, refracting or diffracting element) {6}
212.~.~ Including reflective type moving element {4}
213  DF  .~.~.~> Having oscillating element {1}
216  DF  .~.~.~> Having multifaceted rotating element {1}
220  DF  .~.~.~> Having planar rotating reflector with transverse rotation axis
221  DF  .~.~.~> Having planar rotating reflector with rotation axis in its plane

DEFINITION

Classification: 359/212

Including reflective type moving element:

(under subclass 197) Subject matter wherein a light wave that strikes the medium of the moving element is returned to the original medium with the angles of incidence and reflection equal and lying in the same plane.

SEE OR SEARCH THIS CLASS, SUBCLASS:

838+, for reflectors in general.