Key having locking release storage display function

Abstract

PURPOSE: To check locking after going out by incorporating a locking sensor detecting locking, a release sensor detecting release, a buffer, in which detection is stored, and a display section displaying a storage content into a key body. CONSTITUTION: A locking sensor 1, a release sensor 2, a buffer 3 and a display section 6 are incorporated into a key body. Locking is detected by the locking sensor 1, and stored in the buffer 3, and the storage content is displayed to the display section 4. Release is detected by the release sensor 2, and stored in the buffer 3, and the content is displayed to the display section 4. Accordingly, the display section 4 is viewed after going out, thus checking whether a nor locked. COPYRIGHT: (C)1990,JPO&Japio

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Cited By (2)

    Publication numberPublication dateAssigneeTitle
    US-6255957-B1July 03, 2001Vos Verkehrs-Optimierungs-Systeme Gmbh & Co. KgProcess and device for controlling the closure of locks
    WO-9829626-A1July 09, 1998Vos Verkehrs-Optimierungs-Systeme Gmbh & Co. KgProcede et dispositif pour controler l'etat de fermeture de verrous