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    • 2. 发明申请
    • ELECTROMAGNETIC PEN, ELECTROMAGNETIC SIGNAL TRANSMISSION METHOD AND PROCESSING METHOD, APPARATUS AND DEVICE
    • 电磁笔,电磁信号传输方法及处理方法,装置和装置
    • US20120068975A1
    • 2012-03-22
    • US13274923
    • 2011-10-17
    • JIANGLI WEIXuanming Shi
    • JIANGLI WEIXuanming Shi
    • G06F3/033
    • G06F3/046G06F3/03545
    • An electromagnetic pen, an electromagnetic signal transmission method and an electromagnetic signal processing method, a processing device and a processing apparatus comprises: a reference inductance and a reference capacitor, connected with each other in parallel in a housing of the electromagnetic pen and configured to transmit an electromagnetic signal in a handwritten frequency; a control capacitor, connected with the reference capacitor in parallel and controlled by a control switch connected in series so as to transmit an electromagnetic signal in a control frequency. The processing device comprises: a receiving identification module, configured to receive the electromagnetic signal transmitted by the electromagnetic pen and identify a frequency of the electromagnetic signal; a handwritten input module, configured to input a handwritten symbol when the identified frequency is within a range of the handwritten frequency; and a control input module, configured to input a control signal.
    • 电磁笔,电磁信号传输方法和电磁信号处理方法,处理装置和处理装置包括:参考电感和参考电容器,其在电磁笔的外壳中并联连接并配置为传送 手写频率的电磁信号; 控制电容器并联连接参考电容器,并由串联连接的控制开关控制,以便以控制频率传输电磁信号。 处理装置包括:接收识别模块,用于接收由电磁笔发送的电磁信号,识别电磁信号的频率; 手写输入模块,被配置为当所识别的频率在所述手写频率的范围内时输入手写符号; 以及控制输入模块,被配置为输入控制信号。