Invention Grant
US07994918B2 Method and system for monitoring one or more objects by electronic device
失效
用于通过电子设备监视一个或多个物体的方法和系统
- Patent Title: Method and system for monitoring one or more objects by electronic device
- Patent Title (中): 用于通过电子设备监视一个或多个物体的方法和系统
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Application No.: US12271936Application Date: 2008-11-17
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Publication No.: US07994918B2Publication Date: 2011-08-09
- Inventor: Jia-Jiang Lai , Chih-Lung Tsan
- Applicant: Jia-Jiang Lai , Chih-Lung Tsan
- Applicant Address: TW Tu-Cheng, New Taipei
- Assignee: Chi Mei Communication Systems, Inc.
- Current Assignee: Chi Mei Communication Systems, Inc.
- Current Assignee Address: TW Tu-Cheng, New Taipei
- Agent Frank R. Niranjan
- Priority: CN200810301692 20080521
- Main IPC: G08B13/14
- IPC: G08B13/14
Abstract:
A method and system for monitoring one or more objects by an electronic device are provided. The method includes defining a distance threshold between the electronic device and an object having a RFID tag, calculating a distance between the electronic device and the object, and generating alerts upon detecting that the distance is greater than the distance threshold.
Public/Granted literature
- US20090289794A1 METHOD AND SYSTEM FOR MONITORING ONE OR MORE OBJECTS BY ELECTRONIC DEVICE Public/Granted day:2009-11-26
Information query
