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:
May. 23, 2000
Filed:
Jul. 17, 1996
Arshad Hussain, Foothill Ranch, CA (US);
Canon Business Machines, Inc., Costa Mesa, CA (US);
Abstract
A system to scroll a first image inside a window of a second image displayed on a display screen. The system includes storage of the second image in a VRAM, designation of display addresses in the VRAM corresponding to a location of the window on the display screen, storage of the first image in a memory different from the VRAM, definition of a pointer indicating a first portion of the image to be displayed in the window, and copying of the first portion of the first image from the memory to the VRAM at the display addresses based on the pointer. The system further includes display of the first portion of the first image in the window of the second image, acceptance of user interface commands to scroll the first image and changing the value of a pointer in response thereto, the changed value indicative of a second portion of the first image to be displayed in the window, and repetition of the copying step and the displaying step with respect to the second portion.