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:
Feb. 01, 1994
Filed:
Apr. 23, 1993
Kenji Kaneko, Kawagoe, JP;
Akira Hayama, Kawagoe, JP;
Toshiyuki Kimura, Kawagoe, JP;
Junichi Nishida, Kawagoe, JP;
Fumio Endo, Kawagoe, JP;
Hitoshi Sato, Kawagoe, JP;
Kiyoshi Furukawa, Kawagoe, JP;
Pioneer Electronic Corporation, Tokyo, JP;
Abstract
A map display apparatus for displaying a wide area map and an enlarged map is disclosed. When a display mode is shifted from the mode of displaying the enlarged map to the mode of displaying the wide area map, a cursor frame is displayed on a position on a parent screen corresponding to the divided area which has been displayed in an enlarged manner just before the shift of the display mode, so that the position on the parent screen of the area which has been displayed in the enlarged manner so far can be easily discriminated.