SYSTEM FOR LOCATING AN OBJECT FURNISHED WITH AN RFID TAG

    公开(公告)号:US20180329015A1

    公开(公告)日:2018-11-15

    申请号:US15521530

    申请日:2015-10-23

    申请人: TAGSYS

    IPC分类号: G01S1/82 G01S13/75 G01S5/18

    摘要: Some embodiments are directed to a system for locating an object furnished with a tag in a predetermined space. The tag is interrogatable remotely by an RFID reader. According to the invention, a zone of sound is created with an ultrasound generator. A sound wave of frequency f1−f2 is present in this zone. The tag is equipped with an acoustic sensor able to sense the signals of frequency f1-f2 and this acoustic sensor is designed together with the tag to modify the content or the level of the RFID tag response signal when the acoustic sensor receives a signal of frequency f1-f2. The RFID reader is then able to locate the object in the zone of sound when it receives the modified response signal from the RFID tag or when it no longer receives any response signal from the RFID tag.

    Guided underwater object
    3.
    发明申请
    Guided underwater object 有权
    引导水下物体

    公开(公告)号:US20050099890A1

    公开(公告)日:2005-05-12

    申请号:US10938415

    申请日:2004-09-10

    CPC分类号: G01S1/76 G01S3/803 G05D1/10

    摘要: A guided underwater object (GUO) (100) comprises steering means, an on-board guidance system (200) for controlling the steering means, and a hydrophone unit or units (104A, 104B, 104C, 104D, 104E, 104F, 104G, 104H) arranged to pass signals induced therein by an acoustic guiding beam to the on-board guidance system to effect directional control of the self-propelled underwater object. The GUO is guided by a remote guidance system characterised by a plurality of transmitter arrays (402A, 402B, 402C, 402D; 412A, 412B, 412C, 412D; 422P, 422Q, 422R) arranged to transmit a plurality of contiguous acoustic beams (302A, 302B, 302C, 302D) each having a different frequency or frequency chirp (or other acoustic signal coding) and enclosing a guidance corridor of lower sound level (‘null’) (304) extending approximately in the direction of propagation of the acoustic beams and defining a flight path of the object. The GUO requires no on-board search sensors, no communications link with the guidance system and is of low cost.

    摘要翻译: 引导水下物体(GUO)(100)包括转向装置,用于控制转向装置的车载引导系统(200)和水听器单元(104A,104B,104C,104D,104E ,104F,104G,104H),其布置成将由声引导梁引导的信号传递到车载引导系统,以实现自推进水下物体的方向控制。 GUO由远程引导系统引导,其特征在于多个发射机阵列(402A,402B,402C,402D; 412A,412B,412C,412D; 422P,422Q,422R) 每个具有不同频率或频率啁啾声(或其它声信号编码)的邻近声束(302A,302B,302C,302D),并且包围较低声级的引导走廊(“零”), )(304)大致沿着声束的传播方向延伸并且限定物体的飞行路径。 GUO不需要车载搜索传感器,与引导系统无通信连接,成本低廉。

    Transducer to generate phase-encoded wavefields
    4.
    发明授权
    Transducer to generate phase-encoded wavefields 失效
    传感器产生相位编码波场

    公开(公告)号:US5557583A

    公开(公告)日:1996-09-17

    申请号:US300643

    申请日:1994-09-02

    IPC分类号: G01S1/76 G10K15/02 G01S15/00

    CPC分类号: G10K15/02 G01S1/76

    摘要: A transducer capable of generating a phase-encoded wavefield is described. The encoded phase is related to the angular co-ordinates of direction of transmission. By decoding the phase values of the received wavefield, a direction can be obtained. Therefore, in navigation applications this transmitter gives additional location information not available from a single received signal using traditional methods such as "range-range" and "hyperbolic" systems. In its simplest configuration, the new transducer comprises two transducers which can be individually controlled. In more complex constructions use of more than two transducers increases the controllability of the desired phase characteristics of the resulting wavefield.It has also been discovered that by using two different phase-encoded wavefields, direction finding of small reflectors can not only be accomplished, but small reflectors can be distinguished from large plane reflectors or else dispersive properties of the propagation medium can be characterized. The first wavefield takes the form of monotonic phase increments with direction as for example would be produced by the present invention, while the second wavefield simply reverses the sense of phase increments of the first. The second wavefield is easily obtained from a source that generates the first either by reprogramming the electronic driving signals for transducers or mechanically interchanging the components of the transducers.

    摘要翻译: 描述了能够产生相位编码波场的换能器。 编码的相位与传播方向的角坐标有关。 通过对接收的波场的相位值进行解码,可以获得方向。 因此,在导航应用中,该发射器使用诸如“范围范围”和“双曲线”系统的传统方法给出了从单个接收信号不可用的附加位置信息。 在其最简单的结构中,新的换能器包括可独立控制的两个换能器。 在更复杂的结构中,使用两个以上的换能器增加了所得到的波场的期望相位特性的可控性。 也已经发现,通过使用两个不同的相位编码波场,不仅可以实现小反射器的方向发现,而且可以将小反射器与大平面反射器区分开,或者可以表征传播介质的色散特性。 第一波场采取单调相位增量的形式,其方向例如将由本发明产生,而第二波场简单地逆转第一波场的相位增量感。 通过重新编程用于换能器的电子驱动信号或机械地交换换能器的部件来产生第一个的第二波场容易地获得。

    HOME NETWORK OF CONNECTED CONSUMER DEVICES
    8.
    发明申请
    HOME NETWORK OF CONNECTED CONSUMER DEVICES 审中-公开
    连接消费者设备的家庭网络

    公开(公告)号:US20150081040A1

    公开(公告)日:2015-03-19

    申请号:US14548337

    申请日:2014-11-20

    IPC分类号: G05B19/418

    摘要: A method of generating an action in an ad hoc wireless network includes providing an ad hoc mesh network of nodes having at least one node associated with a consumer product and at least one node capable generating node data about a consumer product, sending node data to a computing device, using the computing device to retrieve data from a database and associate the data with the node data, and determining, at the computing device, an action based upon the association, and executing an action using the computing device.

    摘要翻译: 在自组织无线网络中生成动作的方法包括提供具有至少一个与消费者产品相关联的节点的节点的ad hoc网状网络以及能够生成关于消费者产品的节点数据的至少一个节点,将节点数据发送到 计算设备,使用所述计算设备从数据库检索数据并将所述数据与所述节点数据相关联,以及在所述计算设备处,基于所述关联确定动作,以及使用所述计算设备来执行动作。

    Acoustic Absolute Position Encoder and Method
    9.
    发明申请
    Acoustic Absolute Position Encoder and Method 有权
    声学绝对位置编码器和方法

    公开(公告)号:US20130322213A1

    公开(公告)日:2013-12-05

    申请号:US13483022

    申请日:2012-05-29

    IPC分类号: G01S3/80

    CPC分类号: G01S1/76

    摘要: The present invention teaches acoustic absolute position encoders and methods for deploying the same. The encoder has a moving member with a mechanical contacting portion, and a stationary member associated with the moving member. Reed elements are mounted on the stationary member such that they are mechanically engaged by the contacting portion of the moving member as the latter moves linearly or rotates. The reed elements generate sound tones in response to transient contact with the contacting portion. A receiver receives the tones and an acoustic processing circuit determines the absolute position of the moving member based on the sound tones.

    摘要翻译: 本发明教导了声学绝对位置编码器及其部署方法。 编码器具有移动构件,其具有机械接触部分和与移动构件相关联的固定构件。 簧片元件安装在固定构件上,使得当移动构件的接触部分线性移动或旋转时,它们被机械地接合。 簧片元件响应于与接触部分的瞬时接触而产生声音。 接收器接收音调,并且声学处理电路基于声音确定移动构件的绝对位置。

    Synchronization of optical signaling beacons
    10.
    发明授权
    Synchronization of optical signaling beacons 失效
    光信号信标的同步

    公开(公告)号:US07076261B2

    公开(公告)日:2006-07-11

    申请号:US10609625

    申请日:2003-07-01

    IPC分类号: H04B7/01 H04B10/00 G01S1/00

    摘要: An arbitrary number of signaling beacons are synchronized simultaneously and automatically by a received modulated control signal in accordance with an arbitrary communication protocol over a communication link which may be separate from or superimposed upon a perceptible signal periodically provided from signaling beacons. The periodic perceptible signal may be stabilized using a crystal oscillator or an external transmitted signal such as a global positioning system (GPS) signal and synchronization thus maintained for extended periods of time even when the synchronization communication link is not available. Interference is substantially prevented by the communication protocol while supporting the provision of any desired beacon control functions.

    摘要翻译: 任意数量的信令信标通过通过通信链路根据任意通信协议的接收的调制控制信号同步并自动同步,通信链路可以与从信令信标周期性地提供的可感知信号分离或叠加。 即使当同步通信链路不可用时,周期性可察觉信号也可以使用晶体振荡器或诸如全球定位系统(GPS)信号的外部发射信号以及因此长时间保持的同步来稳定。 在支持提供任何期望的信标控制功能的同时,通信协议基本上防止了干扰。