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:
Apr. 25, 1989
Filed:
Sep. 24, 1986
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
A display device having a number of display panels arranged in a plane to constitute a large picture image screen includes a correction-value determining means positioned in front of and apart from the display panels to observe the optical condition of the display panels so as to determine a part to be corrected in the display panels and a value to be corrected for the part, a correction signal generating means for generating a correction signal on the basis of the corrected value which is provided from the correction value determining means, correction circuits for the display panels, and a recorrection signal generating means which receives the correction signal from the correction signal generating means and transmits a recorrection signal to the correction circuit for one or more number of the display panels to be corrected.