JPS5984956U - 公衆電話機の故障監視装置 - Google Patents

公衆電話機の故障監視装置

Info

Publication number
JPS5984956U
JPS5984956U JP14795183U JP14795183U JPS5984956U JP S5984956 U JPS5984956 U JP S5984956U JP 14795183 U JP14795183 U JP 14795183U JP 14795183 U JP14795183 U JP 14795183U JP S5984956 U JPS5984956 U JP S5984956U
Authority
JP
Japan
Prior art keywords
public telephone
supervisory signal
program
monitoring device
failure monitoring
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
JP14795183U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6115647Y2 (enrdf_load_stackoverflow
Inventor
木下　利治
速水　均
国井　修二
Original Assignee
株式会社田村電機製作所
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 株式会社田村電機製作所 filed Critical 株式会社田村電機製作所
Priority to JP14795183U priority Critical patent/JPS5984956U/ja
Publication of JPS5984956U publication Critical patent/JPS5984956U/ja
Application granted granted Critical
Publication of JPS6115647Y2 publication Critical patent/JPS6115647Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Prepayment Telephone Systems (AREA)
JP14795183U 1983-09-24 1983-09-24 公衆電話機の故障監視装置 Granted JPS5984956U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14795183U JPS5984956U (ja) 1983-09-24 1983-09-24 公衆電話機の故障監視装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14795183U JPS5984956U (ja) 1983-09-24 1983-09-24 公衆電話機の故障監視装置

Publications (2)

Publication Number Publication Date
JPS5984956U true JPS5984956U (ja) 1984-06-08
JPS6115647Y2 JPS6115647Y2 (enrdf_load_stackoverflow) 1986-05-15

Family

ID=30328866

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14795183U Granted JPS5984956U (ja) 1983-09-24 1983-09-24 公衆電話機の故障監視装置

Country Status (1)

Country Link
JP (1) JPS5984956U (enrdf_load_stackoverflow)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52127003A (en) * 1976-04-19 1977-10-25 Hitachi Ltd Communication control device for switching lines

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52127003A (en) * 1976-04-19 1977-10-25 Hitachi Ltd Communication control device for switching lines

Also Published As

Publication number Publication date
JPS6115647Y2 (enrdf_load_stackoverflow) 1986-05-15

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