JPH0756522Y2 - 電話回線保持回路 - Google Patents

電話回線保持回路

Info

Publication number
JPH0756522Y2
JPH0756522Y2 JP1989127444U JP12744489U JPH0756522Y2 JP H0756522 Y2 JPH0756522 Y2 JP H0756522Y2 JP 1989127444 U JP1989127444 U JP 1989127444U JP 12744489 U JP12744489 U JP 12744489U JP H0756522 Y2 JPH0756522 Y2 JP H0756522Y2
Authority
JP
Japan
Prior art keywords
telephone
line
lines
holding circuit
telephone line
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 - Lifetime
Application number
JP1989127444U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0365339U (en, 2012
Inventor
由文 辻井
Original Assignee
アイワ株式会社
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 アイワ株式会社 filed Critical アイワ株式会社
Priority to JP1989127444U priority Critical patent/JPH0756522Y2/ja
Publication of JPH0365339U publication Critical patent/JPH0365339U/ja
Application granted granted Critical
Publication of JPH0756522Y2 publication Critical patent/JPH0756522Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

JP1989127444U 1989-10-31 1989-10-31 電話回線保持回路 Expired - Lifetime JPH0756522Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989127444U JPH0756522Y2 (ja) 1989-10-31 1989-10-31 電話回線保持回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989127444U JPH0756522Y2 (ja) 1989-10-31 1989-10-31 電話回線保持回路

Publications (2)

Publication Number Publication Date
JPH0365339U JPH0365339U (en, 2012) 1991-06-25
JPH0756522Y2 true JPH0756522Y2 (ja) 1995-12-25

Family

ID=31675199

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989127444U Expired - Lifetime JPH0756522Y2 (ja) 1989-10-31 1989-10-31 電話回線保持回路

Country Status (1)

Country Link
JP (1) JPH0756522Y2 (en, 2012)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5487004A (en) * 1977-12-23 1979-07-11 Nippon Telegr & Teleph Corp <Ntt> Plug-in telephone holding device
JPS6123755U (ja) * 1984-07-19 1986-02-12 株式会社田村電機製作所 保留回路

Also Published As

Publication number Publication date
JPH0365339U (en, 2012) 1991-06-25

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