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:
Jan. 28, 2020
Filed:
Aug. 31, 2018
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Electronic Devices & Storage Corporation, Tokyo, JP;
Kai Sasadate, Kanagawa, JP;
Masaki Jono, Kanagawa, JP;
Hiroaki Sugita, Tokyo, JP;
Tetsuro Oishi, Kanagawa, JP;
Minoru Yagi, Kanagawa, JP;
KABUSHIKI KAISHA TOSHIBA, Tokyo, JP;
TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATION, Tokyo, JP;
Abstract
A door lock control system includes a first device including a first transmitter, a first receiver, and a first controller configured to measure first signal strengths of radio signals received from a plurality of surrounding devices by the first receiver, and control the first transmitter to transmit the measured first signal strengths to a second device. The system further includes the second device including a second receiver and a second controller configured to measure second signal strengths of radio signals received from a plurality of surrounding devices by the second receiver, control the second receiver to receive the first signal strengths from the first device, compare the first signal strengths with the second signal strengths, and control a door lock based on the comparison of the first and the second signal strengths.