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:
Jan. 24, 1984
Filed:
Mar. 19, 1982
William S Duvall, Portola Valley, CA (US);
William K English, Tokyo, JP;
Xerox Corporation, Stamford, CT (US);
Abstract
A data processing system comprises a first selection device for selecting a plurality of characters of a first set, the characters of the first set each being defined by a bit map of first predetermined dimensions. A second selection device is capable of selecting a plurality of characters of a second set, the characters of the second set each being defined by a bit map of second predetermined dimensions greater than the first predetermined dimensions. A display device is capable of displaying the selected characters of the first and second sets, and a control device is responsive to the first and second selection devices for controlling the display device to display the selected characters of the first set in a first display area and the selected characters of the second set in a second display area, the first dislay area representing a page of text of characters of the first set, and the second display area representing a magnified portion of the page of text comprised of characters of the second set.