JPS59152886U - ボタン電話装置 - Google Patents

ボタン電話装置

Info

Publication number
JPS59152886U
JPS59152886U JP4689583U JP4689583U JPS59152886U JP S59152886 U JPS59152886 U JP S59152886U JP 4689583 U JP4689583 U JP 4689583U JP 4689583 U JP4689583 U JP 4689583U JP S59152886 U JPS59152886 U JP S59152886U
Authority
JP
Japan
Prior art keywords
hold
self
timer
alarm sound
telephone device
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
JP4689583U
Other languages
English (en)
Japanese (ja)
Other versions
JPS646619Y2 (enrdf_load_stackoverflow
Inventor
奥村　宣示
亀倉　哲雄
勝彦 小野塚
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 JP4689583U priority Critical patent/JPS59152886U/ja
Publication of JPS59152886U publication Critical patent/JPS59152886U/ja
Application granted granted Critical
Publication of JPS646619Y2 publication Critical patent/JPS646619Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP4689583U 1983-03-31 1983-03-31 ボタン電話装置 Granted JPS59152886U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4689583U JPS59152886U (ja) 1983-03-31 1983-03-31 ボタン電話装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4689583U JPS59152886U (ja) 1983-03-31 1983-03-31 ボタン電話装置

Publications (2)

Publication Number Publication Date
JPS59152886U true JPS59152886U (ja) 1984-10-13
JPS646619Y2 JPS646619Y2 (enrdf_load_stackoverflow) 1989-02-21

Family

ID=30177444

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4689583U Granted JPS59152886U (ja) 1983-03-31 1983-03-31 ボタン電話装置

Country Status (1)

Country Link
JP (1) JPS59152886U (enrdf_load_stackoverflow)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56131290A (en) * 1980-03-18 1981-10-14 Meisei Electric Co Ltd Trunk line holding system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56131290A (en) * 1980-03-18 1981-10-14 Meisei Electric Co Ltd Trunk line holding system

Also Published As

Publication number Publication date
JPS646619Y2 (enrdf_load_stackoverflow) 1989-02-21

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