JPS59113853U - 公衆電話機の貨幣に関する検出回路 - Google Patents

公衆電話機の貨幣に関する検出回路

Info

Publication number
JPS59113853U
JPS59113853U JP376783U JP376783U JPS59113853U JP S59113853 U JPS59113853 U JP S59113853U JP 376783 U JP376783 U JP 376783U JP 376783 U JP376783 U JP 376783U JP S59113853 U JPS59113853 U JP S59113853U
Authority
JP
Japan
Prior art keywords
circuit
sine wave
pulse
constant current
led
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP376783U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6313581Y2 (cs
Inventor
奥川　守文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP376783U priority Critical patent/JPS59113853U/ja
Publication of JPS59113853U publication Critical patent/JPS59113853U/ja
Application granted granted Critical
Publication of JPS6313581Y2 publication Critical patent/JPS6313581Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Prepayment Telephone Systems (AREA)
  • Testing Of Coins (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
JP376783U 1983-01-15 1983-01-15 公衆電話機の貨幣に関する検出回路 Granted JPS59113853U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP376783U JPS59113853U (ja) 1983-01-15 1983-01-15 公衆電話機の貨幣に関する検出回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP376783U JPS59113853U (ja) 1983-01-15 1983-01-15 公衆電話機の貨幣に関する検出回路

Publications (2)

Publication Number Publication Date
JPS59113853U true JPS59113853U (ja) 1984-08-01
JPS6313581Y2 JPS6313581Y2 (cs) 1988-04-18

Family

ID=30135380

Family Applications (1)

Application Number Title Priority Date Filing Date
JP376783U Granted JPS59113853U (ja) 1983-01-15 1983-01-15 公衆電話機の貨幣に関する検出回路

Country Status (1)

Country Link
JP (1) JPS59113853U (cs)

Also Published As

Publication number Publication date
JPS6313581Y2 (cs) 1988-04-18

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