JPS6059661U - Telephone line switching circuit - Google Patents

Telephone line switching circuit

Info

Publication number
JPS6059661U
JPS6059661U JP14953583U JP14953583U JPS6059661U JP S6059661 U JPS6059661 U JP S6059661U JP 14953583 U JP14953583 U JP 14953583U JP 14953583 U JP14953583 U JP 14953583U JP S6059661 U JPS6059661 U JP S6059661U
Authority
JP
Japan
Prior art keywords
switching circuit
line switching
telephone line
telephone
capacitor
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
JP14953583U
Other languages
Japanese (ja)
Other versions
JPH0332125Y2 (en
Inventor
仲田 淳嗣
江原 正光
斉藤 安彦
Original Assignee
神田通信工業株式会社
日本電信電話株式会社
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 神田通信工業株式会社, 日本電信電話株式会社 filed Critical 神田通信工業株式会社
Priority to JP14953583U priority Critical patent/JPS6059661U/en
Publication of JPS6059661U publication Critical patent/JPS6059661U/en
Application granted granted Critical
Publication of JPH0332125Y2 publication Critical patent/JPH0332125Y2/ja
Granted legal-status Critical Current

Links

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。
(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第1図はさきに考案した電話機の回線切換回路の回路図
、第2図は本考案の一実施例である電話機の回線切換回
路の回路図である。 −計装置N・・・電話機、TC・・・通話回路、As5
s自己保持形継電器、ao、  al、  a2. 、
a3・・・自己保持形継電器Aの接点、DI、 R2,
R3、R4,R5・・・ダイオード、R1,R2・・・
抵抗器、R3,H3I、H−32・・・フックスイッチ
の接点、C1,C2・・・コンデンサ、1,2・・・常
用回線、3,4・・・予備回線。 、第1図 第2図
FIG. 1 is a circuit diagram of a line switching circuit for a telephone that was previously devised, and FIG. 2 is a circuit diagram of a line switching circuit for a telephone that is an embodiment of the present invention. -Measuring device N...Telephone, TC...Telephone circuit, As5
s Self-holding relay, ao, al, a2. ,
a3... Contact of self-holding relay A, DI, R2,
R3, R4, R5...Diode, R1, R2...
Resistor, R3, H3I, H-32... Hook switch contact, C1, C2... Capacitor, 1, 2... Regular line, 3, 4... Reserve line. , Figure 1, Figure 2

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] “     2対の電話回線に複数の電話機を自己保持
形継電器の接点を介し連接接続した電話機の回線切換回
路において、前記自己保持形継電器の接点及びフックス
イッチの第1のブレーク接点を介した前記自己保持形継
電器の復旧回路に直列にコンデンサを挿入し、抵抗器と
フックスイッチの第2のメーク接点とを直列接続したも
のを前記コンデンサと並列に接続したことを特徴とする
電話機の回線切換回路。
“In a telephone line switching circuit in which a plurality of telephones are serially connected to two pairs of telephone lines via the contacts of a self-holding relay, A line switching circuit for a telephone set, characterized in that a capacitor is inserted in series in the recovery circuit of a holding type relay, and a resistor and a second make contact of a hook switch are connected in series and connected in parallel with the capacitor.
JP14953583U 1983-09-29 1983-09-29 Telephone line switching circuit Granted JPS6059661U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14953583U JPS6059661U (en) 1983-09-29 1983-09-29 Telephone line switching circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14953583U JPS6059661U (en) 1983-09-29 1983-09-29 Telephone line switching circuit

Publications (2)

Publication Number Publication Date
JPS6059661U true JPS6059661U (en) 1985-04-25
JPH0332125Y2 JPH0332125Y2 (en) 1991-07-08

Family

ID=30331916

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14953583U Granted JPS6059661U (en) 1983-09-29 1983-09-29 Telephone line switching circuit

Country Status (1)

Country Link
JP (1) JPS6059661U (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7293107B1 (en) 1998-10-09 2007-11-06 Netmotion Wireless, Inc. Method and apparatus for providing mobile and other intermittent connectivity in a computing environment

Also Published As

Publication number Publication date
JPH0332125Y2 (en) 1991-07-08

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