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US08269644B2 Apparatus and method for electronic lock key indicator 有权
电子钥匙指示器的装置和方法

Apparatus and method for electronic lock key indicator
摘要:
An apparatus for tracking and indicating the status of a lock, comprising: a movement sensing device for sensing movement of a key related to said lock and providing information about said movement; a controller for reception of said information about said movement, processing said information and identifying a key rotation event that is associated with a lock status; and an indication unit being connected to said controller; providing an indication of the lock status according to control signals that are provided by said controller.
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