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. 28, 2016
Filed:
Oct. 13, 2014
Alps Electric Co., Ltd., Tokyo, JP;
Katsuhiro Seino, Miyagi-ken, JP;
ALPS ELECTRIC CO., LTD., Tokyo, JP;
Abstract
A keyless entry system includes an on-vehicle unit which is mounted in a vehicle, and a mobile device which is able to perform radio communication with the on-vehicle unit. The keyless entry system controls on-vehicle equipment mounted in the vehicle through radio communication between the on-vehicle unit and the mobile device. The on-vehicle unit has a plurality of LF transmission antennas (transmission antennas) for radio-transmitting a signal to the mobile device, and at least one of the plurality of LF transmission antennas is arranged in the vehicle interior of a door of the vehicle and is attached such that radiating magnetic flux passes through the window of the vehicle.