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:
Aug. 28, 2007
Filed:
Mar. 24, 2005
Hiroyuki Mano, Yokohama, JP;
Kiyokazu Nishioka, Yokohama, JP;
Toshio Futami, Mobara, JP;
Kiyoshige Kinugawa, Chiba-ken, JP;
Hiroyuki Mano, Yokohama, JP;
Kiyokazu Nishioka, Yokohama, JP;
Toshio Futami, Mobara, JP;
Kiyoshige Kinugawa, Chiba-ken, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A multi-tone display matrix display device including a matrix display panel having a matrix having plural X and Y direction signal lines lying at right angles to each other, intersecting points on the matrix being pixels of an image, an X direction driving section for sequentially scanning X direction signal lines to provide image signals, a Y direction driving section for driving the Y direction signal lines in synchronism with the scanning of the X direction signal lines to sequentially provide select signals to the Y direction signal lines, an A-D converter section for converting an analog signal into a digital signal, a voltage generating section for generating signals at plural voltage levels, and a selector section for selecting an output signal from the voltage generating section based on the output from A-D converter section and providing to output to the X direction driving section as an image signal.