JPS61100092U - - Google Patents

Info

Publication number
JPS61100092U
JPS61100092U JP18495684U JP18495684U JPS61100092U JP S61100092 U JPS61100092 U JP S61100092U JP 18495684 U JP18495684 U JP 18495684U JP 18495684 U JP18495684 U JP 18495684U JP S61100092 U JPS61100092 U JP S61100092U
Authority
JP
Japan
Prior art keywords
relay contact
signal
transformer
switching
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.)
Pending
Application number
JP18495684U
Other languages
Japanese (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 JP18495684U priority Critical patent/JPS61100092U/ja
Publication of JPS61100092U publication Critical patent/JPS61100092U/ja
Pending legal-status Critical Current

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

Description

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

図は本考案の実施例を示し、第１図はＳＳＣの
回路図、第２図はＫＳＵのブロツク図である。 ２……回線（電話回線）、３……ＳＳＣ（信号
送出回路）、４……通話線、１３……ＣＮＴ（制
御部）、２１，２２……ＡＳ（アナログスイツチ
：スイツチング手段）、ｈｄ１，ｈｄ２……接点
（第１のリレー接点）、ｄｓ１……接点（第２の
リレー接点）、Ｑ１……トランジスタ（スイツチ
ング素子）、ＰＣ１……フオトカプラ（光電的結
合手段）、Ｔ１……変成器、ＨＤ，ＤＳ……リレ
ー。 The figures show an embodiment of the present invention; FIG. 1 is a circuit diagram of the SSC, and FIG. 2 is a block diagram of the KSU. 2... Line (telephone line), 3... SSC (signal sending circuit), 4... Call line, 13... CNT (control unit), 21, 22... AS (analog switch: switching means), hd 1 , hd 2 ... contact (first relay contact), ds 1 ... contact (second relay contact), Q 1 ... transistor (switching element), PC 1 ... photocoupler (photoelectric coupling means), T 1 ...Transformer, HD, DS...Relay.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 電話回線を端末機器側から切替える第１のリレ
ー接点と、該リレー接点を介して直流ループ閉成
用のスイツチング素子と音声信号送出用の変成器
とを選択的に前記電話回線へ接続する第２のリレ
ー接点と、前記スイツチング素子に対しパルスダ
イヤル信号の送出時にオン、オフの制御を行なう
光電的結合手段と、前記変成器を介して保留音と
音声周波ダイヤル信号とを選択的に送出するスイ
ツチング手段とを設けたことを特徴とする信号送
出回路。 A first relay contact for switching the telephone line from the terminal equipment side, and a second relay contact for selectively connecting a switching element for closing a DC loop and a transformer for sending out an audio signal to the telephone line via the relay contact. a relay contact, a photoelectric coupling means for controlling the switching element to turn on and off when a pulse dialing signal is sent, and a switching device for selectively sending hold music and an audio frequency dialing signal via the transformer. 1. A signal sending circuit comprising: means.
JP18495684U 1984-12-07 1984-12-07 Pending JPS61100092U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18495684U JPS61100092U (en) 1984-12-07 1984-12-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18495684U JPS61100092U (en) 1984-12-07 1984-12-07

Publications (1)

Publication Number Publication Date
JPS61100092U true JPS61100092U (en) 1986-06-26

Family

ID=30742439

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18495684U Pending JPS61100092U (en) 1984-12-07 1984-12-07

Country Status (1)

Country Link
JP (1) JPS61100092U (en)

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