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:
Nov. 30, 1993
Filed:
May. 04, 1993
David C Frank, Ossining, NY (US);
Shigeru Matsubara, Yamato, JP;
Hiroshi Satoh, Machida, JP;
Stephen P Thompson, Delray Beach, FL (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
Method and apparatus for displaying a horizontal screen separator line between two screen areas. A first step operates a display screen controller (12) in a split screen mode of operation so as to display a first screen area (3) at an upper portion of a display screen (18) and a second screen area (4) at a lower portion of the display screen. The step of operating further includes a step of reading data from a screen memory (42) and displaying rows of corresponding alphanumeric characters. Each character is displayed as a plurality of image pixels arranged along a first number of horizontal scan lines. A further step displays a horizontal visual separator (2) between a last row of the first screen area and a first row of the second screen area. The step of displaying the horizontal visual separator includes the steps of (a) reading data from the screen memory and beginning a display of a row of corresponding visual separator characters; and (b) terminating the display of the row of corresponding visual separator characters after displaying a second number of horizontal scan lines that is less than the first number of horizontal scan lines.