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. 23, 2003
Filed:
Dec. 04, 2002
Toshio Hayashi, Hiroshima-ken, JP;
Fumitaka Andou, Hiroshima-ken, JP;
Kazufumi Adachi, Hiroshima-ken, JP;
Kiyoshi Sakamoto, Chiba-ken, JP;
Mazda Motor Corporation, Hiroshima, JP;
Abstract
An air pressure warning device of a vehicle tire has an excessive/deficient amount calculation module ( ) for calculating an excessive/deficient amount on the basis of the difference between a normal air pressure stored in a normal air pressure storage module ( ) and a detected tire air pressure, an informing control module ( ) for controlling an informing module ( ) to inform an excessive/deficient state of the tire air pressure determined based on the calculated excessive/deficient amount, and a normal air pressure correction module for increasing the readout normal air pressure by a predetermined value when an expressway traveling detection module ( ) detects that the vehicle is on an expressway.