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    • 3. 发明授权
    • Antenna device
    • 天线设备
    • US08743010B2
    • 2014-06-03
    • US12956048
    • 2010-11-30
    • Masahiro YanagiShigemi KurashimaHideaki Yoda
    • Masahiro YanagiShigemi KurashimaHideaki Yoda
    • H01Q1/48H01Q9/42H01Q1/24H01Q1/04
    • H01Q9/42
    • An antenna device includes a T-shaped element having a first end part, a second end part, and a third end part, the first end part being a feeding point, the T-shaped element being bifurcated at an intermediate point; and a stub having one end connected between the intermediate point and the second end point and another end connected to ground, the stub forming a π-shaped configuration with the T-shaped element; wherein a length of a first line between the first end part and the second end part is longer than a length of a second line between the first end part and the third end part; and the length of the first line and the length of the second line correspond to a first resonance frequency and a second resonance frequency.
    • 天线装置包括具有第一端部,第二端部和第三端部的T形元件,第一端部是馈电点,T形元件在中间点分叉; 以及一端连接在中间点和第二端点之间的另一端与另一端相连的短截线,该短截线形成具有T形元件的“形状”形状; 其中所述第一端部和所述第二端部之间的第一线的长度长于所述第一端部和所述第三端部之间的第二线的长度; 并且第一行的长度和第二行的长度对应于第一共振频率和第二共振频率。
    • 4. 发明授权
    • Product management system and product management method
    • 产品管理系统和产品管理方法
    • US08489471B2
    • 2013-07-16
    • US11826348
    • 2007-07-13
    • Shigemi KurashimaTakashi YubaMasahiro YanagiTakashi Arita
    • Shigemi KurashimaTakashi YubaMasahiro YanagiTakashi Arita
    • G06Q10/00G06G1/14G06Q30/00
    • G06Q10/087
    • A product management system is disclosed. The product management system comprises a product detection device disposed on a product display rack and configured to detect presence/absence of a product on the product display rack, a wireless communication device disposed on the product display rack and configured to wirelessly transmit information about the presence/absence of the product detected by the product detection device, a relay device to relay communications between the wireless communication device and a network, a product management device to store and display the information transmitted from the wireless communication device via the relay device and the network, and a terminal device capable of wireless communications with the wireless communication device and configured to travel with a shopper.
    • 披露了产品管理系统。 所述产品管理系统包括:产品检测装置,其被设置在产品展示架上并且被配置为检测所述产品展示架上产品的存在与否;布置在所述产品展示架上的无线通信装置, /不存在由产品检测装置检测到的产品,用于中继无线通信设备和网络之间的通信的中继设备,产品管理设备,用于存储和显示经由中继设备和网络从无线通信设备发送的信息 以及能够与无线通信设备进行无线通信并被配置为与购物者一起旅行的终端设备。