发明名称 |
Sistema de comunicación bidireccional para rastrear localizaciones y estados de vehículos con ruedas |
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. |
申请公布号 |
ES2605370(T3) |
申请公布日期 |
2017.03.14 |
申请号 |
ES20060748454T |
申请日期 |
2006.03.20 |
申请人 |
GATEKEEPER SYSTEMS, INC. |
发明人 |
HANNAH, Stephen E.;CARTER, Scott J.;JAMES, Jesse M. |
分类号 |
G08B1/08;B60R25/09;B62B5/04 |
主分类号 |
G08B1/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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