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1. (WO2018100726) WATT-HOUR METER AND PASSKEY CHANGE METHOD

Pub. No.:    WO/2018/100726    International Application No.:    PCT/JP2016/085860
Publication Date: Fri Jun 08 01:59:59 CEST 2018 International Filing Date: Sat Dec 03 00:59:59 CET 2016
IPC: H04L 9/16
G01R 22/06
G06F 21/44
H04B 1/713
H04L 9/32
Applicants: MITSUBISHI ELECTRIC CORPORATION
三菱電機株式会社
Inventors: MAEDA, Yuki
前田 雄輝
INUGAI, Kentaro
犬飼 健大郎
Title: WATT-HOUR METER AND PASSKEY CHANGE METHOD
Abstract:
A control unit configured so as to have: a passkey verification unit (1170) for verifying whether a new passkey transmitted to a wireless communication device (1200) and a new passkey returned from the wireless communication device (1200) match; and a retry control unit (1160) for resetting the wireless communication device (1200) and enabling the new passkey when the verification result is a match and causing a change indication to the new passkey to be retried when the verification result is a mismatch, and when the retry continues a prescribed number of times or more, issues an indication for a change to a prescribed passkey and resetting to the wireless communication device (1200) without undergoing new verification.