KEY STORING CASE, AND ABSENCE SETTING DEVICE USING THE CASE

PROBLEM TO BE SOLVED: To provide a key storing case provided with a key use detecting means which can be realized at low cost without providing any modification to a lock but keeping it as it is, and an absence setting device utilizing the case. SOLUTION: This device comprises an inner case 4 for co...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SAKURAI MASAAKI, SUNABA MAKOTO, AIDA RYUICHI, NISHIMURA MITSUO
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES THEREFOR ALARM SYSTEMS FIXED CONSTRUCTIONS HANDCUFFS KEYS LOCKS ORDER TELEGRAPHS PHYSICS SAFES SIGNALLING SIGNALLING OR CALLING SYSTEMS WINDOW OR DOOR FITTINGS
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