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. 10, 1991
Filed:
Oct. 17, 1989
James Corona, Kingston, NY (US);
Terence W Lindgren, Rosendale, NY (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
Method and apparatus for setting up a graphics vector generator. Computing values representative of difference functions between delta Y values and delta X values for a vector to be drawn; storing such functions; and storing a sign of said difference functions for controlling X, Y, swap and multiplex operations. An X, Y, swap for swapping x values and Y values in response to said sign storage to present a larger of an X function or a Y function to a control means for controlling a number of iterations in generation of a vector and iteration counter for controlling a number of iterations in generation of a vector.