US PATENT SUBCLASS 359 / 601
GLARE OR UNWANTED LIGHT REDUCTION


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



359 /   HD   OPTICS: SYSTEMS (INCLUDING COMMUNICATION) AND ELEMENTS

601GLARE OR UNWANTED LIGHT REDUCTION {6}
602  DF  .~> With mirror (e.g., mirror with glare screen, etc.) {1}
609  DF  .~> Display window
610  DF  .~> With blind for nonviewing eye
611  DF  .~> Barrel end or lens mount shade {1}
613  DF  .~> Directional or angular discrimination
614  DF  .~> With absorption means


DEFINITION

Classification: 359/601

GLARE OR UNWANTED LIGHT REDUC-TION:

(under the class definition) Subject matter including structure to primarily reduce the intensity of nonimaging light for an optical means or a viewer's eyes.

(1) Note. Such intensity reduction may be performed by blocking, absorbing, transmitting away, or reflecting an undesired part of the light.

(2) Note. This and the indented subclasses include angle discriminator, glare re-ducing mirror, mirror with glare shield, and display window. For classification here, the claims should include struc-ture which reduces glare, as indicated therein or in the specification.

SEE OR SEARCH THIS CLASS, SUBCLASS:

229, for glare elimination by placing an opaque element in an optical path.

290+, for light control by altering an optical medium.

493, for glare prevention by means of polarizers.

580+, for light interference coatings which reduce glare. 591+, for natural or sun light directing for illumination.

SEE OR SEARCH CLASS

296, Land Vehicles: Bodies and Tops,

97.1+, for vehicle glare screens, per se.

348, Television,

834, for cathode-ray tubes combined with a glare reduction filter.

351, Optics: Eye Examining, Vision Testing and Correcting,

44+, for glare reduction in spectacles.