JPH0476760U - - Google Patents

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Publication number
JPH0476760U
JPH0476760U JP12099090U JP12099090U JPH0476760U JP H0476760 U JPH0476760 U JP H0476760U JP 12099090 U JP12099090 U JP 12099090U JP 12099090 U JP12099090 U JP 12099090U JP H0476760 U JPH0476760 U JP H0476760U
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JP
Japan
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internal
external
telephone
line
telephone line
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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
JP12099090U
Other languages
English (en)
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JP2536990Y2 (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 JP1990120990U priority Critical patent/JP2536990Y2/ja
Publication of JPH0476760U publication Critical patent/JPH0476760U/ja
Application granted granted Critical
Publication of JP2536990Y2 publication Critical patent/JP2536990Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

【図面の簡単な説明】
第１図は本考案の一実施例の回路図、第２図は
本実施例の動作説明図、第３図は本考案の第２実
施例の要部の回路図、第４図は従来装置の回路図
、第５図は該従来装置の動作説明図である。 Ｋ１〜Ｋ３……リレー、１１，１２……リング
検知回路、１３……制御回路、１４……内線ボタ
ン。

Claims (1)

  1. 【実用新案登録請求の範囲】 外線電話回線と内線電話回線を切替える第１の
    リレーと、 外線電話回線と内線電話回線を切替え、内蔵電
    話機と第１のリング検知回路に接続する第２のリ
    レーと、 前記第１のリレーからの信号をフアクシミリ通
    信ラインと第２のリング検知回路に切替える第３
    のリレーと、 内外線発着信時には内又は外線電話回線と前記
    フアクシミリ通信ラインと接続し、かつ外又は内
    線電話回線と前記内蔵電話機とを接続し、前記内
    蔵電話機を用いた内又は外線通話中に外又は内線
    発着信があつた時には、前記外又は内線電話回線
    と前記フアクシミリ通信ラインとを接続するよう
    に前記第１〜３のリレーを切替えるように制御す
    る制御回路とを具備したことを特徴とする内外線
    切替器。
JP1990120990U 1990-11-19 1990-11-19 内外線切替器 Expired - Lifetime JP2536990Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990120990U JP2536990Y2 (ja) 1990-11-19 1990-11-19 内外線切替器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990120990U JP2536990Y2 (ja) 1990-11-19 1990-11-19 内外線切替器

Publications (2)

Publication Number Publication Date
JPH0476760U true JPH0476760U (ja) 1992-07-03
JP2536990Y2 JP2536990Y2 (ja) 1997-05-28

Family

ID=31868869

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990120990U Expired - Lifetime JP2536990Y2 (ja) 1990-11-19 1990-11-19 内外線切替器

Country Status (1)

Country Link
JP (1) JP2536990Y2 (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6339262A (ja) * 1986-08-04 1988-02-19 Nec Corp 網制御回路
JPH02266746A (ja) * 1989-04-07 1990-10-31 Ricoh Co Ltd ファクシミリ装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6339262A (ja) * 1986-08-04 1988-02-19 Nec Corp 網制御回路
JPH02266746A (ja) * 1989-04-07 1990-10-31 Ricoh Co Ltd ファクシミリ装置

Also Published As

Publication number Publication date
JP2536990Y2 (ja) 1997-05-28

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term