Methods, systems, and apparatus for automatic RF power transmission and single antenna energy harvesting

    公开(公告)号:US10979156B2

    公开(公告)日:2021-04-13

    申请号:US16685597

    申请日:2019-11-15

    摘要: In some embodiments, a transmitter has a first mode and a second mode. The transmitter is configured to repeatedly send discrete first wireless signals carrying transmitter identification information uniquely associated with the transmitter in the first mode and to send a second wireless signal carrying the transmitter identification information in the second mode. A receiver is configured to receive a wireless signal of the first wireless signals such that the receiver is activated by the wireless signal of the first wireless signal and, in response to receiving the wireless signal of the first wireless signals, to send a third wireless signal carrying the transmitter identification information to the transmitter. The transmitter is configured to transition from the first mode to the second mode in response to receiving the third wireless signal and determining that the third wireless signal includes the transmitter identification information uniquely associated with the transmitter.

    Wireless sensor system, method and apparatus with switch and outlet control
    6.
    发明授权
    Wireless sensor system, method and apparatus with switch and outlet control 有权
    无线传感器系统,具有开关和出口控制的方法和装置

    公开(公告)号:US09251699B2

    公开(公告)日:2016-02-02

    申请号:US13848667

    申请日:2013-03-21

    IPC分类号: G08C17/02 H04Q9/00

    摘要: In some embodiments an apparatus includes a wireless sensor configured to be operatively coupled to a network gateway device that is configured to receive one of a first data packet or a second packet from the wireless sensor. The wireless sensor is configured to send the first data packet at a first time on a first frequency, the first data packet including a payload associated with a value of a measurement that was measured by the wireless sensor. The wireless sensor is configured to send the second data packet at a second time on a second frequency, the second data packet includes a payload associated with the value.

    摘要翻译: 在一些实施例中,一种装置包括被配置为可操作地耦合到网络网关设备的无线传感器,网络网关设备被配置为从无线传感器接收第一数据分组或第二分组中的一个。 无线传感器被配置为在第一频率上第一时间发送第一数据分组,第一数据分组包括与由无线传感器测量的测量值相关联的有效载荷。 无线传感器被配置为在第二频率上的第二时间发送第二数据分组,第二数据分组包括与该值相关联的有效载荷。

    Bi-stable display tag
    9.
    发明授权

    公开(公告)号:US11418234B2

    公开(公告)日:2022-08-16

    申请号:US16551136

    申请日:2019-08-26

    发明人: Charles E. Greene

    摘要: In some embodiments an apparatus includes a display module and a bi-stable display. The bi-stable display is operatively coupled to the display module and is configured to display a first image at a first time. The display module is configured to be operatively coupled to a wireless module and configured to be wirelessly powered by an external wireless power supply. The display module is configured to receive, at a second time after the first time and in response to a wireless interaction with a wireless device, (1) power from the external wireless power supply and (2) a signal from the wireless module indicative of a second image different from the first image. The bi-stable display is configured to display, in response to a signal indicative of an instruction from the display module, the second image at a third time after the second time.