发明名称 Light sensing hidden object location system
摘要 An object locating system for automatically locating a hidden or lost wireless object. This is applicable to objects such as remote controls for TVs and VCRs and the like. An ambient light photosensor is located on the object. The object locating system also includes an alarm located on the wireless object, which is electrically connected to the ambient light photosensor. The ambient light photosensor senses ambient lighting conditions. The alarm is actuated when the ambient light photosensor detects ambient light below a predetermined level.
申请公布号 US2003197610(A1) 申请公布日期 2003.10.23
申请号 US20030443180 申请日期 2003.05.21
申请人 CHANDAR RAVI 发明人 CHANDAR RAVI
分类号 G08B21/24;(IPC1-7):G08B13/14 主分类号 G08B21/24
代理机构 代理人
主权项
地址