发明名称 OUT OF SIGHT REFLECTING DEVICE FOR PORTABLE OPTICAL SPACE COMMUNICATION EQUIPMENT
摘要 PURPOSE:To keep a stable communication state by reflecting an optical signal when opposite optical space communication equipment is at locations out of sight. CONSTITUTION:A light emitting device 22 and a light receiving device 21 arranged between both optical repeaters 1, 2 are provided and both signal conversion control circuits are featured to be used for allowing the same optical signal to radiate from the light emitting device 22 as the optical signal received by the light receiving device 21. Moreover, an optical reflecting member 26 is provided with a light receiving device 29 and a display device 30 starting an optical signal received from the light receiving device 29 with the signal conversion control circuit and lighted or rung to display the presence of the optical signal.
申请公布号 JPH05136742(A) 申请公布日期 1993.06.01
申请号 JP19910321062 申请日期 1991.11.09
申请人 TOHOKU ELECTRIC POWER CO INC;KOITO IND LTD 发明人 WATANABE MIKIO;WAKABAYASHI YOSHIMICHI
分类号 H04B10/11;H04B10/114;H04B10/29 主分类号 H04B10/11
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