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:
Jan. 05, 1993
Filed:
Jun. 04, 1991
Pioneer Electronic Corporation, Tokyo, JP;
Abstract
The signal switching ouput device comprises an attenuator which attenuates a brightness of an input image signal, a first switching means which alternatively outputs an output from said attenuator or said input image signal, delay circuits which delay a character signal by a specified time, a second switch which alternatively provides an output from said first switch and a character signal delayer by the specified time, and an switch instructing means which switches between said first switch and said second switch according to said character signal, and outputs an RGB signal showing a character while delaying it and lowers a brightness level of input image signals composing a background image during a specified period before and after the output of the RGB signal, so that a character displayed on a display unit is trimmed by a dark lines and are very easy to recognize.