发明名称 RADIO COMMUNICATION EQUIPMENT
摘要 PROBLEM TO BE SOLVED: To provide a new radio communication equipment using a USB interface. SOLUTION: This radio communication equipment is provided with a transmitting part 650 equipped with an LED1 (620) having first wavelength for emitting light only in an SEO section of a USB signal and an LED2 (622) having second wavelength different from the first wavelength for emitting light according to the value of the USB signal in any section other than the SEO section and a receiving part 660 equipped with a photodiode PD1 (1642) for detecting light outputted by the LED1, and for outputting the light as a signal indicating a prescribed section to a USB buffer 604 and a photodiode PD2 for detecting the light of the LED2 in a state that any light is not received by the photodiode PDI, and for outputting the detected result as the value of the USB signal to the USB buffer 604.
申请公布号 JP2002055746(A) 申请公布日期 2002.02.20
申请号 JP20000241765 申请日期 2000.08.09
申请人 CANON INC 发明人 TAKAYANAGI YOSHIAKI
分类号 G06F3/00;G06F13/38;H04B10/00;H04B10/116 主分类号 G06F3/00
代理机构 代理人
主权项
地址