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:
Nov. 19, 2002
Filed:
Dec. 11, 1998
Robbie Thielemans, Deerlijk, BE;
Claude Tydtgat, Ledegem, BE;
Barco N.V., Frankrijklaan Poperinge, BE;
Abstract
A universal device provided with means to be controlled by a control unit which forms part of a projector. The device, in conjunction with this control unit, can be used for the automatic adjustment of the projector. More specifically, the adjustments of convergence, geometry, focus, astigmatism, contrast modulation, gamma correction, soft edge, adjacent and overlapping geometry. In addition, the device provides support for non-adjustment tasks such as signal decoding, signal testing and analysis, peak detection, RAM expansion, wire-free transmission of information between at least two projectors. The universal device exhibits different operational characteristics in accordance with different applications imposed on it by the control unit of the projector. The device includes an analog-to-digital converter, a memory, a programmable digital component, and an interface to the control unit of the projector as some of the components.