US PATENT SUBCLASS 347 / 244
.~.~.~.~ Specific lens

Current as of: June, 1999
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347 /   HD   INCREMENTAL PRINTING OF SYMBOLIC INFORMATION

224  DF  LIGHT OR BEAM MARKING APPARATUS OR PROCESSES {2}
225  DF  .~ Scan of light {12}
233  DF  .~.~ Plural beam scan {9}
241  DF  .~.~.~ Specific optical structure {3}
244.~.~.~.~ Specific lens

DEFINITION

Classification: 347/244

Specific lens:

(under subclass 241) Subject matter comprising details of a lens or lens system.

(1) Note. This subclass includes, for example, position, arrangement, characteristic or type of lens or lens system (e.g., refractive index, dimension).

SEE OR SEARCH CLASS

359, Optics: Systems (Including Communication) and Elements,

642+, for lens structure and appropriate subclasses for other optical elements.