发明公开
EP1864082A4 TWO-WAY COMMUNICATION SYSTEM FOR TRACKING LOCATIONS AND STATUSES OF WHEELED VEHICLES
有权
ZWEIWEGE-KOMMUNIKATIONSSYSTEM ZUR VERFOLGUNG VON STANDORT UND STATE EINES RADFAHRZEUGES
- 专利标题： TWO-WAY COMMUNICATION SYSTEM FOR TRACKING LOCATIONS AND STATUSES OF WHEELED VEHICLES
- 专利标题（中）： ZWEIWEGE-KOMMUNIKATIONSSYSTEM ZUR VERFOLGUNG VON STANDORT UND STATE EINES RADFAHRZEUGES
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申请号： EP06748454申请日： 2006-03-20
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公开(公告)号： EP1864082A4公开(公告)日： 2015-02-25
- 发明人: HANNAH STEPHEN E , CARTER SCOTT J , JAMES JESSE M
- 申请人： GATEKEEPER SYSTEMS INC
- 专利权人： GATEKEEPER SYSTEMS INC
- 当前专利权人： GATEKEEPER SYSTEMS INC
- 优先权： US66319505 2005-03-18; US66314705 2005-03-18; US66332705 2005-03-18
- 主分类号： G08B1/08
- IPC分类号： G08B1/08 ; B60R25/09 ; B62B5/04
摘要：
A system for controlling shopping carts usage in the vicinity of a parking lot, the system comprising: a device that repeatedly transmits a lock command from a directional antenna (282), said directional antenna mounted above ground and angled downward to create a lock zone (286) in which shopping cart use is restricted, said lock zone encompassing an exit area associated with the parking lot; and a plurality of shopping carts, each shopping cart comprising a brake mechanism, and comprising an RF communication circuit that is responsive to the lock command by activating the brake mechanism.
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