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:
Feb. 11, 2003
Filed:
Jul. 25, 1997
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
In a display device used together with a playback apparatus such as an optical disk, a control is provided responding to a playback signal from an playback apparatus in order to prevent burn-out of CRT phosphor or deterioration of phosphor. A first controller controls the playback apparatus, and a second controller controls the display device, and those two controllers communicate with each other, thereby recognizing an operation status and a display status. Thus those two controllers control circuits and apparatus including a video control circuit which controls a contrast, whereby optimizing a display on a screen, and control status of an audio output, a power supply controller, and a playback apparatus controller.