Title:
DIGITAL ENTRANCE OPENING AND CLOSING DEVICE
Document Type and Number:
WIPO Patent Application WO/2013/157762
Kind Code:
A8
Abstract:
The present invention relates to a digital entrance opening and closing device which comprises: a housing that includes an outer case disposed on the outer side surface of a door and an inner case coupled to the outer case on the inner side surface of the door across the door; a key input unit disposed on the outer case of the housing for inputting a password; an entrance door opening and closing unit disposed in the housing to operate the opening and closing of the door according to the control signal from a control unit; a control unit that compares the password input by means of the key input unit with a preset password in order to control the opening and closing operation of the entrance door opening and closing unit; an open button unit disposed in the inner case of the housing and connected to the control unit to automatically open the door; a manual opening button unit that sends a signal to the control unit so that the door is not automatically locked when the door is closed; and a power supply unit that supplies driving power to each of the above described configurations. In the entrance door opening and closing unit, a handle portion is pushed or pulled in the direction in which the door is opened so as to open the door, and the upward movement of a roller linked to the pushing or pulling of the handle portion is used to detect increasing or decreasing speed so as to detect the opening of the door. According to the present invention, when the handle portion of the door is pushed or pulled in the direction in which the door is opened, the opening of the door can be detected by the speed at which the handle portion is pushed or pulled and by the rolling movement of the roller, and the door can be opened smoothly so as to improve the safety and operating convenience of the door.
Inventors:
YOON BYUNGMAN (KR)
LEE EUNSOOK (KR)
YOON CHAEHI (KR)
LEE EUNSOOK (KR)
YOON CHAEHI (KR)
Application Number:
PCT/KR2013/002835
Publication Date:
May 08, 2014
Filing Date:
April 05, 2013
Export Citation:
Assignee:
YOON BYUNGMAN (KR)
LEE EUNSOOK (KR)
YOON CHAEHI (KR)
YOON CHAEHO (KR)
LEE EUNSOOK (KR)
YOON CHAEHI (KR)
YOON CHAEHO (KR)
International Classes:
E05B47/02; E05B49/02
Attorney, Agent or Firm:
NURY PATENT LAW FIRM (9 Munjeong-ro, Songpa-gu, Seoul 138-825, KR)
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