Easy-to retrofit, electronically controlled door lock system

Details Easy-to retrofit, electronically controlled door lock system Easy-to retrofit, electronically controlled door lock system

2005-03-16

2011-10-11

Wu, Daniel (Department: 2612)

Communications: electrical

Selective

Intelligence comparison for controlling

C340S005100, C340S005200, C340S003100, C340S426280, C340S542000, C070S271000, C070S163000

Reexamination Certificate

active

08035478

ABSTRACT:
Disclosed is an easy-to-retrofit, electronically controlled door lock system designed to change or expand functions of a door lock without having to replace the door lock as a whole. The door lock system includes a door lock100for locking and unlocking a door in response to an input signal from a key means, the door lock having predetermined inherent functions, and a function expanding device200having additional functions other than the predetermined inherent functions of the door lock, the function expanding device being replaceably attached to the door lock.

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International Search Report for PCT/KR2005/000756, ISA/KR, Daejeon, Korea, Jun. 30, 2005.

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