Dual-Signaling Location System

作者: Dale Tilby , Rickey Antonucci

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摘要: A dual-signaling location system including a device and cellular phone case. The may include sensor fob an electronic mechanism, where said mechanism activates button alarm; chain to attach key ring, ring connects set of keys. case housing accept mobile communication device; signal panel, panel houses coordinating second alarm.

参考文章(4)
Robert M. Kennard, John W. Howard, Richard Cutler, System and wireless device for locating a remote object ,(2010)
Mark N. Robins, Heather N. Bean, Matt Flach, Battery charging using a portable energy storage device ,(2002)