公开(公告)号：US20090174546A1

公开(公告)日：2009-07-09

申请号：US11969524

申请日：2008-01-04

Applicant: Ming-Ren LIAN ,  Hubert A. PATTERSON ,  Kevin D. ROMER

Inventor： Ming-Ren LIAN ,  Hubert A. PATTERSON ,  Kevin D. ROMER

IPC: G08B1/08

CPC classification number: G01S5/12 ,  G01S5/14

Abstract: An object tracking system, method and computer product, that include a remote communication device associated with the object to be tracked that includes a transmitter for broadcasting a tracking signal, and a search unit, that includes a receiver receiving the tracking signal from the remote communication device, and a processor analyzing the received tracking signal from the remote communication device to derive a relative direction and a relative distance to the remote communication device from the search unit.

Abstract translation: 一种对象跟踪系统，方法和计算机产品，其包括与要跟踪的对象相关联的远程通信设备，所述远程通信设备包括用于广播跟踪信号的发射机，以及搜索单元，其包括接收来自所述远程通信的跟踪信号 以及处理器，分析来自所述远程通信设备的所接收的跟踪信号，以从所述搜索单元导出与所述远程通信设备的相对方向和相对距离。

公开(公告)号：US5708423A

公开(公告)日：1998-01-13

申请号：US437313

申请日：1995-05-09

Applicant: Touraj Ghaffari ,  Mark Grimes ,  Kevin D. Romer

Inventor： Touraj Ghaffari ,  Mark Grimes ,  Kevin D. Romer

IPC: G06K17/00 ,  G07C9/00 ,  G08B13/24 ,  H04Q1/00

CPC classification number: G08B13/14 ,  G06K17/0022 ,  G07C9/00111 ,  G08B13/2408 ,  G08B13/2434 ,  G08B13/2462 ,  G08B13/2471 ,  G08B13/2474 ,  G08B13/248 ,  G08B13/2482 ,  G08B13/2488

Abstract: A data processing system automatically maintains records of respective locations of a plurality of objects in real time. Each of the objects has secured thereto a respective object marker which transmits an identification signal that is unique to the respective object. Sensor devices are installed at respective doorways of a building. Each sensor device receives the identification signal transmitted from the object marker as the respective object is moved through the doorway. The sensor device detects from the identification signal a direction in which the object is being moved through the doorway and generates a detection signal indicative of the detected direction of movement and also indicative of the identification signal for the object. The data processing system receives the detection signals from the sensor devices and maintains a data record with respect to each of the objects indicating the present location in the building of each of the objects.

Abstract translation: 数据处理系统实时自动维护多个对象的相应位置的记录。 每个对象已经确保了相应的对象标记，其传送对于相应对象是唯一的识别信号。 传感器设备安装在建筑物的相应门口。 当各物体移动通过门口时，每个传感器装置接收从对象标记发送的识别信号。 传感器装置从识别信号检测物体通过门口移动的方向，并产生指示检测到的移动方向的检测信号，并且还指示对象的识别信号。 数据处理系统接收来自传感器设备的检测信号，并且维护关于每个对象的数据记录，指示每个对象的建筑物中的当前位置。