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    • 7. 发明专利
    • Light device and positional information management system
    • 光设备和位置信息管理系统
    • JP2013258051A
    • 2013-12-26
    • JP2012133314
    • 2012-06-12
    • Ricoh Co Ltd株式会社リコー
    • HIROI TAKAAKI
    • F21S2/00F21V3/00F21V23/00F21Y101/02G01S1/68G01S5/02H04W4/04H05B37/02
    • H05B37/0272F21K9/27F21K9/66F21Y2115/10H05B33/0803
    • PROBLEM TO BE SOLVED: To eliminate limitations on a transmission/reception area of wireless communication.SOLUTION: A transmission area of wireless signals is not limited by metal cap parts 152, 154 since in a light device 150A, a positional signal transmitter 158 and a wireless communication device 159 are arranged in the vicinity of the center of a light source cover part 162 in a longitudinal direction (X direction). A transmission area of the positional signal transmitter 158 becomes a transmission/reception coverage area as a circular area centering around the center of the light device 150. Pattern antennas 164, 165 have pattern antennas formed with a transparent electrode, and are integrally formed by laminating on a sheet-like member 166 made from a transparent plastic film or a glass substrate. The pattern antennas 164, 165 are electrically connected with upper substrates 157, 171 via respective lead wires 167, 168.
    • 要解决的问题:消除对无线通信的发送/接收区域的限制。解决方案:无线信号的传输区域不受金属盖部分152,154的限制,因为在光设备150A中,位置信号发射机158和 无线通信装置159沿纵向(X方向)布置在光源盖部分162的中心附近。 位置信号发送器158的发送区域成为以光设备150的中心为中心的圆形区域的发送/接收覆盖区域。模式天线164,165具有形成有透明电极的图案天线,并且通过层叠 在由透明塑料膜或玻璃基板制成的片状构件166上。 图案天线164,165经由相应的引线167,168与上基板157,171电连接。