JPS619987U - Signal tone switching circuit for button telephone equipment - Google Patents

Signal tone switching circuit for button telephone equipment

Info

Publication number
JPS619987U
JPS619987U JP9380684U JP9380684U JPS619987U JP S619987 U JPS619987 U JP S619987U JP 9380684 U JP9380684 U JP 9380684U JP 9380684 U JP9380684 U JP 9380684U JP S619987 U JPS619987 U JP S619987U
Authority
JP
Japan
Prior art keywords
signal tone
switch
switching circuit
turned
button telephone
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.)
Pending
Application number
JP9380684U
Other languages
Japanese (ja)
Inventor
保 若林
二三男 杉山
潤 児玉
Original Assignee
株式会社東芝
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 株式会社東芝 filed Critical 株式会社東芝
Priority to JP9380684U priority Critical patent/JPS619987U/en
Publication of JPS619987U publication Critical patent/JPS619987U/en
Pending legal-status Critical Current

Links

Landscapes

  • Sub-Exchange Stations And Push- Button Telephones (AREA)

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図は本考案のボタン電話装置の信号切換回路の一実
施例を示すブロック図、第２図は従来のボタン電話装置
の回路構成を示すブロック図である。 １・・・ボタン電話主装置、３・・・局線ユニット、４
・・・自己保持形クロスポイント回路、５・・・内線電
話機、６・・・呼び出し音信号発生器、７・・・トラン
ス、８・・・Ｃ−ＭτＳクロスポイント回路、９・・・
抵抗、１０・・・トランス、１１・・・ダイオードスイ
ッチ、１２・・・ダイオード、１３・・・抵抗、１４・
・・コンデンサ、２１・・・外部ライン、３２・・・端
子。FIG. 1 is a block diagram showing an embodiment of the signal switching circuit of the button telephone device of the present invention, and FIG. 2 is a block diagram showing the circuit configuration of a conventional button telephone device. 1... Key telephone main device, 3... Office line unit, 4
...Self-holding cross point circuit, 5...Extension telephone, 6...Ring tone signal generator, 7...Transformer, 8...C-MτS cross point circuit, 9...
Resistor, 10...Transformer, 11...Diode switch, 12...Diode, 13...Resistor, 14...
...Capacitor, 21...External line, 32...Terminal.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１） 主装置に接続される外線を該主装置に接続
されている複数の内線電話機に切換える通話路切換スイ
ッチと、外線からの着信及び内線での呼び出しに対応す
る信号音を少なくとも発生する音源と、内線電話機と通
話路切換スイッチの間のそれぞれの通話路に直流カット
のためのトランスを介して接続され前記音源からの信号
音を内線電話機に切り換え送出する信号音切換スイッチ
とを具えたボタン電話装置において、前記トランスと前
記信号音切換スイッチの間に装置電源のオン時にオンと
なり、オフ時にオフとなるスイッチを配したことを特徴
とするボタン電話装置の信号音切換回路。(1) A call path changeover switch that switches an external line connected to the main device to a plurality of extension telephones connected to the main device, and a sound source that generates at least a signal tone corresponding to an incoming call from the external line and a call on the extension. and a signal tone changeover switch that is connected to each communication path between the extension telephone and the communication path changeover switch via a transformer for cutting direct current and switches and transmits the signal tone from the sound source to the extension telephone. 1. A signal tone switching circuit for a button telephone device, characterized in that a switch is disposed between the transformer and the signal tone changeover switch, the switch being turned on when the device is turned on and turned off when the device is turned off. （２）スイッチはダイオードスイッチであることを特徴
とする実用新案登録請求の範囲第（１）項記載のボタン
電話装置の信号音切換回路。(2) The signal tone switching circuit for a button telephone device according to claim (1), wherein the switch is a diode switch.
JP9380684U 1984-06-25 1984-06-25 Signal tone switching circuit for button telephone equipment Pending JPS619987U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9380684U JPS619987U (en) 1984-06-25 1984-06-25 Signal tone switching circuit for button telephone equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9380684U JPS619987U (en) 1984-06-25 1984-06-25 Signal tone switching circuit for button telephone equipment

Publications (1)

Publication Number Publication Date
JPS619987U true JPS619987U (en) 1986-01-21

Family

ID=30651811

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9380684U Pending JPS619987U (en) 1984-06-25 1984-06-25 Signal tone switching circuit for button telephone equipment

Country Status (1)

Country Link
JP (1) JPS619987U (en)

Similar Documents

Publication Publication Date Title
JPS619987U (en) Signal tone switching circuit for button telephone equipment
JPH0238039B2 (en)
JPS60108079U (en) Power outage incoming circuit for telephone equipment
JPS59157374U (en) button telephone device
JPS6261560U (en)
JPS6264059U (en)
JPH03826B2 (en)
JPH0359761U (en)
JPS5996957U (en) ringtone identification circuit
JPS5978779U (en) button telephone device
JPH0453348U (en)
JPS59114653U (en) Incoming ringing circuit
JPS6347691U (en)
JPS6017058U (en) dial sending circuit
JPS6275669U (en)
JPH033867U (en)
JPS6413840U (en)
JPS601067U (en) Telephone ring volume adjustment circuit
JPH0464841U (en)
JPS5959053U (en) portable receiver
JPH01126652U (en)
JPS60174348U (en) telephone circuit
JPH0348953U (en)
JPS58129769U (en) Emergency call caller identification device
JPS5917666U (en) push button dial telephone