The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 24, 2005
Filed:
Jul. 17, 2003
Jefferson E. Odhner, Amherst, NH (US);
Donald L. Cullen, Columbus, OH (US);
Ken G. Wasson, Foster City, CA (US);
James E. Dvorsky, Hillard, OH (US);
Jefferson E. Odhner, Amherst, NH (US);
Donald L. Cullen, Columbus, OH (US);
Ken G. Wasson, Foster City, CA (US);
James E. Dvorsky, Hillard, OH (US);
Luckoff Display Corporation, Columbus, OH (US);
Abstract
The present invention is directed to an improvement in a diffractive display suitable for presenting graphic and the like displays. Broadly, a novel embodiment is realized from a holographic diffraction pattern carried by a magnet or element and an electrically energizable coil magnetically coupled with said magnet that is energizable for movement of the magnet. Rotation of the holographic diffraction pattern generates a display using the diffracted light from the holographic diffraction grating. Another novel embodiment is realized from a faceted rotatable element (FRE) having an array of facets each bearing a diffraction grating and a source energizable for rotation of the FRE from a resting station to a viewing station. Rotation of the FRE generates a display using the diffracted light from the diffraction gratings.