こるものさんのネタ帳

Quote

誤差を利用したシステムなんですね

鍵には溝があります
溝の深さには１０段階あります
０～９　良く鍵に３１５６とか書いてる
これが溝の深さなんですね

ここで　　５、６の間を５．５って溝を作る

この鍵は５、６どちらでも空くのです


1番目が３、４
２番目が８、９
３番目が１、２
４番目が６、７
のホテル部屋の鍵を作る
実際には
もっと多いけどね○番目までは

でマスターキーは　
３．５、８．５、１．５、６．５
で溝のキーをつくると
全部の部屋開くのですね

– マスターキーってなに？。 - DIY(日曜大工) - 教えて！goo (via perm-orange) (via reretlet) (via d-d-d) (via karlmcbee) (via kuriz) (via handa) Via :: H & A :: tumblr
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