US PATENT SUBCLASS 359 / 458-- .~.~.~ Stereoscopic imaging or three dimensional imaging

US PATENT SUBCLASS 359 / 458
.~.~.~ Stereoscopic imaging or three dimensional imaging

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

443	DF	PROJECTION SCREEN {13}
454	DF	.~ Unitary sheet comprising plural refracting areas {1}
455	DF	.~.~ Lenticular {2}
458		.~.~.~ Stereoscopic imaging or three dimensional imaging

DEFINITION

Classification: 359/458

Stereoscopic imaging or three dimensional imaging:

(under subclass 455) Subject matter wherein a lenticulated refractive screen is placed between a picture and a viewer eye to provide an illusion of relief or an illusory three dimension picture of a single perspective.

SEE OR SEARCH THIS CLASS, SUBCLASS:

462+, for stereoscopic device that may include a nominal recitation of a projection screen.

478, for relief illusion.

SEE OR SEARCH CLASS

352, Optics: Motion Pictures,

57+, for stereoscopic camera or projectors and subclasses 85+ for special effects, particularly subclass 86 for devices creating an illusion of three dimensional viewing without employing separate left and right images.