发明申请
US20080062120A1 Location tracking system 审中-公开
位置跟踪系统

Location tracking system
摘要:
A multi-range location tracking system for tracking a location of one or more objects, such as people, pets, or things, has one or more GPS-enabled accessory devices, with each accessory device being coupled to a corresponding one of the objects and being configured to generate location data of the corresponding object. The location tracking system also has a wireless link and one or more base units configured to communicate location data directly with the one or more accessory devices through the wireless link.
信息查询
0/0