ELECTRONIC DOOR SWITCH HAVING RELEASING FUNCTION OF LOCKING STATE IN EMERGENCY AND METHOD FOR RELEASING LOCKING STATE OF THE SAME
PURPOSE: An electronic door switch having a releasing function of a locking state in emergency and a method for releasing a locking state of the same are provided to open a door according to user information such as a secret number, a fingerprint, and an iris by using a portable locking state releas...
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Main Author | |
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Format | Patent |
Language | English Korean |
Published |
16.11.2002
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Edition | 7 |
Subjects | |
Online Access | Get full text |
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