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. 26, 1989
Filed:
Feb. 12, 1987
Satish Gupta, Peekskill, NY (US);
Leon Lumelsky, Stamford, CT (US);
Robert L Mansfield, Austin, TX (US);
Hector G Romero, Jr, Austin, TX (US);
Marc Segre, Rhinebeck, NY (US);
Alexander K Spencer, Austin, TX (US);
Joe C St Clair, Round Rock, TX (US);
James D Wagoner, Georgetown, TX (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A display adapter for displaying graphics data in pixel form on a high resolution display monitor includes a digital signal processor for managing adapter resources and controlling coordinate transformations, a system storage which is divided into a first portion for storing instructions for the digital signal processor and the second portion for storing data representing information to be displayed, an input buffer for permitting asynchronous and overlapped communication between the graphics display adapter and a host computer to speed operation of the system, a pixel processor for drawing vectors and manipulating areas to be displayed on the monitor, a bit mapped frame buffer, a color palette connected to outputs of the frame buffer for providing appropriate color signals to the high resolution monitor and a cursor circuit for controlling display of a cursor on the screen on the monitor.