US PATENT SUBCLASS 359 / 213
.~.~.~ Having oscillating 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  DF  .~.~ Including reflective type moving element {4}
213.~.~.~ Having oscillating element {1}
214  DF  .~.~.~.~> Single plane mirror element {1}

DEFINITION

Classification: 359/213

Having oscillating element:

(under subclass 212) Subject matter wherein the reflecting element has oscillating or vibrating motion.

SEE OR SEARCH THIS CLASS, SUBCLASS:

520+, for signal reflectors vibrating, oscillating, and rotating.