Kabushiki Kaisha Toshiba

Toshiba Electronic Devices & Storage Corporation

Tetsuro Oishi

Minoru Yagi

Kai Sasadate

Hiroaki Sugita

Masaki Jono

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.

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Kanagawa, Japan

Tetsuro Oishi