JPS646619Y2 - - Google Patents

Info

Publication number
JPS646619Y2
JPS646619Y2 JP1983046895U JP4689583U JPS646619Y2 JP S646619 Y2 JPS646619 Y2 JP S646619Y2 JP 1983046895 U JP1983046895 U JP 1983046895U JP 4689583 U JP4689583 U JP 4689583U JP S646619 Y2 JPS646619 Y2 JP S646619Y2
Authority
JP
Japan
Prior art keywords
hold
telephone
line
self
circuit
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.)
Expired
Application number
JP1983046895U
Other languages
English (en)
Japanese (ja)
Other versions
JPS59152886U (ja
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 filed Critical
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 JPS59152886U (ja) 1984-10-13
JPS646619Y2 true JPS646619Y2 (en]) 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 (en])

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5924596B2 (ja) * 1980-03-18 1984-06-11 明星電気株式会社 局線保留方式

Also Published As

Publication number Publication date
JPS59152886U (ja) 1984-10-13

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