公开(公告)号：US08138988B2

公开(公告)日：2012-03-20

申请号：US12221078

申请日：2008-07-30

申请人： Ken Furnanz ,  Thomas Shafer ,  Ian MacDuff

发明人： Ken Furnanz ,  Thomas Shafer ,  Ian MacDuff

IPC分类号： H01Q1/36

CPC分类号： G01S13/825 ,  G01S7/06 ,  H01Q1/38 ,  H01Q11/08 ,  H01Q19/30

摘要： The invented system includes a beacon affixed to the object subject to loss and a tracker held by the owner of the lost object, the tracker repeatedly, electronically ‘interrogating’ the beacon with a radio frequency (RF) signal, the beacon repeatedly responding to the interrogation, and the tracker effectively triangulating to determine the lost object's nominal location by a measure of distance and direction. In accordance with one embodiment of the invention, the tracker includes one or more antenna each coupled with a power amplifier to determine in real time the distance and direction of the beacon from the tracker. In this embodiment, the tracker indicates both distance and direction of the object-affixed beacon to the tracker-holding owner via a simple color-coded light array. In one embodiment of the invention, the invented antenna of which there is one (or more) includes a helically wound conductor of elliptical cross section disposed around the hollow interior surface of a hollow mandrel.

摘要翻译： 本发明的系统包括固定在物体上的信标，以及由丢失的物体的所有者所持有的跟踪器，跟踪器重复地以“射频”信号电子“询问”信标，该信标重复响应于该信标 询问，跟踪器通过距离和方向的测量，有效地三角测量失物体的名义位置。 根据本发明的一个实施例，跟踪器包括一个或多个天线，每个天线与功率放大器耦合，实时地确定来自跟踪器的信标的距离和方向。 在本实施例中，跟踪器经由简单的颜色编码的光阵列将对象附着的信标的距离和方向指示给跟踪者持有者。 在本发明的一个实施例中，有一个（或多个）本发明的天线包括设置在中空心轴的中空内表面周围的椭圆形横截面的螺旋缠绕导体。

公开(公告)号：US20070071251A1

公开(公告)日：2007-03-29

申请号：US11233248

申请日：2005-09-21

申请人： Ian MacDuff

发明人： Ian MacDuff

IPC分类号： H04B3/00

CPC分类号： H04R5/02

摘要： An automatic audio switching system comprising first and second audio devices connected to the switching circuit and to the output speaker, said circuit comprising of a relay, switching device, diodes, a capacitor, resistor and a transformer. Said transformer boosts up received ac voltage, then the diode rectifies the ac to dc, the capacitor and resister make a 2 second timer, the transistor switch, switches to ground changing the pole of said relay thus changing output of the system from one audio system to other.

摘要翻译： 一种自动音频切换系统，包括连接到开关电路和输出扬声器的第一和第二音频装置，所述电路包括继电器，开关装置，二极管，电容器，电阻器和变压器。 所述变压器升压接收的交流电压，然后二极管整流交流至直流，电容器和电阻器制作2秒定时器，晶体管开关切换到接地，改变所述继电器的极点，从而从一个音频系统改变系统的输出 到其他