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:
Dec. 29, 2020
Filed:
Jul. 02, 2019
Alps Alpine Co., Ltd., Tokyo, JP;
Satoshi Nakajima, Miyagi, JP;
Satoshi Hayasaka, Miyagi, JP;
Akira Hashimoto, Detroit, MI (US);
Itaru Yamana, Miyagi, JP;
Yasuhiro Suzuki, Miyagi, JP;
ALPS ALPINE CO., LTD., Tokyo, JP;
Abstract
An in-vehicle device includes a plurality of transmitting antennas, an in-vehicle device transmitter configured to transmit measurement signals via the plurality of respective transmitting antennas, an in-vehicle device receiver configured to receive, from a portable device, a measurement result signal that includes measurement data of received signal strengths of the respective measurement signals that have been transmitted from the plurality of respective transmitting antennas, and an in-vehicle device controller configured to determine whether to identify a location of the portable device based on the received signal strengths included in the measurement result signal, and, in a case where the in-vehicle device controller has determined that the location of the portable device is to be identified, identify the location of the portable device based on the received signal strengths included in the measurement result signal.