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    • 2. 发明申请
    • Bi-Directional Radio Monitoring System
    • 双向无线电监测系统
    • US20070268110A1
    • 2007-11-22
    • US11660024
    • 2005-08-04
    • Anthony Little
    • Anthony Little
    • B60R25/10G06F7/04
    • G07C9/00309B60R25/2072B60R25/24G07C2009/00793G07C2209/63
    • A bi-directional radio monitoring system includes a base unit (14) having a base RF transceiver (15) with two or more fixed antennae (17, 18, 19) associated therewith. The base unit communicates with a portable transceiver (16) using ultra high frequency (UHF) radio signals whereby, by using the two or more antennae (17, 18, 19), the base unit (14) is able to determine a relative position of the portable transceiver (16), depending on the closeness of the movable transceiver (16) to each of the fixed transceiver antennae (17, 18, 19). The RF signal transmission by the base unit (14) may vary in terms of channel, power, packet length, data rate and packet contents transmitted from each antennae (17, 18, 19) to give rise to responses from the portable transceiver (16) that enable the base unit (14) to track the movement of the portable transceiver (16).
    • 双向无线电监测系统包括具有与其相关联的两个或多个固定天线(17,18,19)的基本RF收发器(15)的基本单元(14)。 基本单元使用超高频(UHF)无线电信号与便携式收发器(16)通信,由此通过使用两个或更多个天线(17,18,19),基座单元(14)能够确定相对位置 取决于可移动收发器(16)与每个固定收发器天线(17,18,19)的接近程度,便携式收发器(16)。 基站单元(14)的RF信号传输可以根据从每个天线(17,18,19)发送的信道,功率,分组长度,数据速率和分组内容来改变,从而产生来自便携式收发器(16)的响应 ),其使得基本单元(14)能够跟踪便携式收发器(16)的移动。
    • 4. 发明申请
    • Access control
    • 访问控制
    • US20060055510A1
    • 2006-03-16
    • US10545012
    • 2004-02-24
    • Anthony LittlePaul Hogan
    • Anthony LittlePaul Hogan
    • G05B19/00
    • E05B81/78
    • An access control system for controlling access to a restricted area or space using proximity detection of a portable control unit has a manually operated switch (18) that operates in conjunction with the proximity detection. When a control unit is sensed within range of a detection means, the switch is enabled so that subsequent actuation facilitates entry to the area or space. The space may be the interior of a vehicle, and the access control is a door (20) with a handle (12), movement of which in a defined direction operates the switch (18) to allow the door (20) to be opened by the handle (12). The switch (18) can also be used to lock the door (12).
    • 用于使用便携式控制单元的接近检测来控制对限制区域或空间的访问的访问控制系统具有与接近检测一起操作的手动操作的开关(18)。 当在检测装置的范围内感测到控制单元时,开关被使能,使得随后的致动有助于进入该区域或空间。 该空间可以是车辆的内部,并且进入控制是具有手柄(12)的门(20),其沿着限定方向的移动操作开关(18)以允许门(20)打开 通过手柄(12)。 开关(18)也可用于锁定门(12)。