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    • 2. 发明授权
    • Apparatus and method for operating a symmetric cipher engine in cipher-block chaining mode
    • 光触摸屏设备
    • US08253714B2
    • 2012-08-28
    • US12271006
    • 2008-11-14
    • Hawaii WY XuanEdward YS LeeRobert David Parsons
    • Hawaii WY XuanEdward YS LeeRobert David Parsons
    • G06F3/042
    • G06F3/0421
    • An optical touch screen apparatus and method for manufacturing an optical touch screen apparatus are disclosed. The optical touch screen apparatus may comprise a touch screen plate having at least one pair of grooves formed on a front surface thereof; at least one pair of circuit boards disposed on the front surface of the touch screen plate, wherein each of the grooves respectively partially receives each of the circuit boards; an infrared emitting device for emitting an infrared beam, wherein the infrared emitting device is mounted on the first of the circuit boards; and an infrared receiving device for receiving the infrared beam, wherein the infrared receiving device is mounted on the second of the circuit boards and in optical communication with the infrared emitting device.
    • 公开了一种用于制造光学触摸屏设备的光学触摸屏设备和方法。 光学触摸屏设备可以包括触摸屏板,其具有形成在其前表面上的至少一对凹槽; 设置在所述触摸屏板的前表面上的至少一对电路板,其中每个所述凹槽分别部分地接收每个所述电路板; 用于发射红外光束的红外发射装置,其中所述红外发射装置安装在所述第一电路板上; 以及用于接收红外光束的红外线接收装置,其中红外接收装置安装在第二电路板上并与红外发射装置进行光通信。