发明名称 A DIGITAL DOOR LOCK AND A CONTROL METHOD THEREOF
摘要 A digital door lock and a control method thereof are provided to improve the consumption of battery by release the power saving mode of the tag by the wake up signal but also the preamble signal. The checking device confirms door incoming and outgoing intent of user. The reader(200) is connected to the checking device and transmits the power saving mode releasing signal according to door incoming and outgoing intent of user. The authorized user is supplied with the tag(300). The tag releases the power saving mode by the power saving mode clearing signal. The checking device is adhered to the front side of door. The heater sensor recognizes the user approaching the door. The pressure sensor is adhered to the handle of door. The pressure sensor senses the generated pressure according to the contacting state between the handle and the user.
申请公布号 KR20090087228(A) 申请公布日期 2009.08.17
申请号 KR20080012548 申请日期 2008.02.12
申请人 NDS CORPORATION 发明人 KIM, JI TAE
分类号 E05B47/00;E05B49/00 主分类号 E05B47/00
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