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:
Sep. 14, 1999
Filed:
Sep. 02, 1998
Diana Chen, Gilbert, AZ (US);
Davis H Hartman, Phoenix, AZ (US);
Motorola, Inc., Schaumburg, IL (US);
Abstract
A teleconference system including a display terminal composed of an image source, a plurality of optical elements, a display screen and a planar optical structure associated with an outermost surface of the display screen; a video camera positioned to receive a reflected image from the display screen and a transmission link to a distant teleconference system. The planar optical structure is formed integral the display screen, such as through molding, or the like, or alternatively affixed to the outermost surface of the display screen in the form of a coating, or a plastic of glass element. The planar optical structure includes a blazed grating, thereby providing for the transmission therethrough of a portion of light and the reflectance of a portion of light incident thereon.