Wireless key system

A wireless key system employs short-range wireless communication to transmit key information from a key device to a lock device. The lock device then authenticates the wireless communication link between the lock device and key device, and unlocks a door or other structure if authentication succeeds...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	KATO SHINTA
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES THEREFOR ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDEDFOR ELSEWHERE CHECKING-DEVICES ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY FIXED CONSTRUCTIONS GENERATING RANDOM NUMBERS HANDCUFFS KEYS LOCKS PHYSICS REGISTERING OR INDICATING THE WORKING OF MACHINES SAFES TIME OR ATTENDANCE REGISTERS TRANSMISSION VOTING OR LOTTERY APPARATUS WINDOW OR DOOR FITTINGS
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Beschreibung
Zusammenfassung:	A wireless key system employs short-range wireless communication to transmit key information from a key device to a lock device. The lock device then authenticates the wireless communication link between the lock device and key device, and unlocks a door or other structure if authentication succeeds. The key information used for authentication may include both a unique address and a shared code. Besides unlocking a door, the system may perform other functions, such as monitoring room occupancy, switching power on and off, and taking safety measures when the key device is moved out of communication range with the lock device.