Title:
CONCEALED TYPE ABSENCE DETERMINATION NON-CONTACT KEY SYSTEM
Document Type and Number:
Japanese Patent JP2021011798
Kind Code:
A
Abstract:
To provide a concealed type absence determination non-contact key system that conceals an arrangement of both a lock cylinder and a dead bolt of a door, which makes it difficult for anyone other than a person concerned to open/close the door.SOLUTION: If a person possesses a designated key or a radio wave transmission source such as a mobile phone or smart phone, unlocking can be performed by approaching a certain distance and even when both hands are occupied. Moreover, only an action of unlocking is performed, and locking is forcibly performed after a certain time period. The system is structured so as to determine an absence or presence in a home and be able to construct a linked system with crime prevention, presence control and a sensor.SELECTED DRAWING: Figure 1
Inventors:
ITO AKISATO
Application Number:
JP2019136467A
Publication Date:
February 04, 2021
Filing Date:
July 08, 2019
Export Citation:
Assignee:
ITO AKISATO
International Classes:
E05B49/00; E05B9/08; E05B45/12