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:
Mar. 19, 2013
Filed:
Nov. 05, 2010
Applicant:
Shinya Saguchi, Aichi, JP;
Inventor:
Shinya Saguchi, Aichi, JP;
Assignee:
Kabushiki Kaisha Tokai Rika Denki Seisakusho, Aichi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60R 25/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A key locator includes a first and second antenna arranged in a vehicle. A first query unit transmits a challenge from the first antenna. A second query unit transmits a challenge from the second antenna to an electronic key responding to the challenge of the first query unit. A key locating unit determines the location of the electronic key in accordance with whether responses to the challenges from the first and second antennas are received from the electronic key.