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:
Jun. 18, 1991
Filed:
Jan. 16, 1990
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A mobile navigation system using a communication system between at least one mobile object and a key station. The navigation system includes a unit mounted on the mobile object for determining the position of the mobile object, and a unit mounted on the mobile object for transmitting data representative of the determined position to the key station via the communication system. The navigation system further includes a data base unit mounted in the key station for storing map data, a unit mounted in the key station for deriving map data of an area including the position of the mobile object from the data base unit, in response to the transmitted position data, a unit mounted in the key station for transmitting data including the derived map data to the mobile object via the communication system, and a unit mounted on the mobile object for displaying a composite image composed of the position data of the mobile object and the map data, in response to the transmitted data from the key station.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile