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:
Sep. 07, 1999
Filed:
Mar. 28, 1994
Masaki Nishiyama, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A display device to realize a smooth scroll on a display screen is provided. This device comprises: a memory having a plurality of storage parts which can store information to be displayed which is formed by a plurality of dot lines on a line unit basis; transfer circuit for transferring the information stored in the memory to a video memory on a unit basis of one dot line or a plurality of dot lines less the total contained in the above line unit; a timer for controlling the transfer of the information from the memory to the video memory; display apparatus for displaying the information in the video memory; and a controller for scrolling the information which is displayed on the display screen on the display apparatus.