Title:
AUTOMATICALLY RINGING ELECTRONIC DOOR LOCK
Document Type and Number:
WIPO Patent Application WO/2012/002608
Kind Code:
A1
Abstract:
The present invention relates to an automatically ringing electronic door lock, and more particularly, to an electronic door lock that rings automatically when a keypad of the electronic door lock is pressed to open a door, such that a person on the other side of the door can easily perceive the presence of a visitor. An electronic door lock according to the present invention comprises: an outdoor unit installed outside a door, and including a keypad having a numeric pad for inputting a security code for locking/unlocking the door; an indoor unit installed inside the door, and locking/unlocking the door in response to a door-locking signal and a door-unlocking signal according to the security code inputted to the outdoor unit; and a bell button disposed in a certain region of the outdoor unit to output a melody when the bell button is operated to call a person to the inside of the door. When the numeric pad of the keypad is pressed, a melody is outputted in the same manner as that of the bell button.
Inventors:
CHO HEE MOON (KR)
Application Number:
PCT/KR2010/005450
Publication Date:
January 05, 2012
Filing Date:
August 18, 2010
Export Citation:
Assignee:
CHO HEE MOON (KR)
International Classes:
E05B45/06; E05B47/00
Foreign References:
| KR20030066474A | 2003-08-09 | |||
| KR19980051448A | 1998-09-15 | |||
| KR20050008592A | 2005-01-21 | |||
| JP2009104325A | 2009-05-14 | |||
| US5564294A | 1996-10-15 | |||
| KR200400015Y1 | 2005-11-02 |
Attorney, Agent or Firm:
RO, Wan Goo (KR)
노완구 (KR)
노완구 (KR)
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