JPS6137655U - Intercom with talkback function - Google Patents

Intercom with talkback function

Info

Publication number
JPS6137655U
JPS6137655U JP12182684U JP12182684U JPS6137655U JP S6137655 U JPS6137655 U JP S6137655U JP 12182684 U JP12182684 U JP 12182684U JP 12182684 U JP12182684 U JP 12182684U JP S6137655 U JPS6137655 U JP S6137655U
Authority
JP
Japan
Prior art keywords
base unit
intercom
handset
additional
talkback function
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
JP12182684U
Other languages
Japanese (ja)
Other versions
JPH046295Y2 (en
Inventor
泉 稲吉
Original Assignee
アイホン株式会社
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 アイホン株式会社 filed Critical アイホン株式会社
Priority to JP12182684U priority Critical patent/JPS6137655U/en
Publication of JPS6137655U publication Critical patent/JPS6137655U/en
Application granted granted Critical
Publication of JPH046295Y2 publication Critical patent/JPH046295Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Interconnected Communication Systems, Intercoms, And Interphones (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 drawings]

第１図は本考一によるトークバツク門能付インターホン
の回蕗図、第２図は従来におけるインターホンのブロッ
クダイヤグラムである。 １・・・・・・親機、２・・・・・・増設岐機、３・・
・・・・増設親機側ハンドセットの送話器、２１・・・
・・・増設親機側ハンドセットの受話器、２９・・・・
・・親機側ハンドセットの送話器、３６・・・・・・親
機側ハンドセットの受話器、３８・・・・・・増幅回路
。FIG. 1 is a schematic diagram of an intercom with talkback function according to this study, and FIG. 2 is a block diagram of a conventional intercom. 1...Main machine, 2...Extension branch machine, 3...
...Extension base unit side handset transmitter, 21...
...Extension handset receiver, 29...
. . . Transmitter of the base handset, 36 . . . Handset of the base handset, 38 . . . Amplification circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ４線で結ばれた親機と増設親機とを有するトークバック
機能付インターホンにおいて、該親機は、該増設親機側
を呼び出すスイッチと、該スイ−ツチで呼び出された被
呼者と通話可能な親機側送受話器とを備えると共に、前
記増設親機は、前記親機から呼び出された場合に、前記
増設親機側ではハンドセットを取り上げることなく所定
時間確認の返事をするための増幅回路と、該ハンドセッ
トを取り上げた場合に該増幅回路を含む通話路の通話レ
ベルを低下して発呼者と通話するための増設親機側送受
話器とを備えたことを特徴とするトークバック機能付イ
ンターホン。In an intercom with a talkback function that has a base unit and an additional base unit connected by four wires, the base unit has a switch that calls the additional base unit, and a callee that is called by the switch. The additional base unit includes an amplifier circuit for responding to a confirmation within a predetermined time without picking up the handset when the additional base unit is called by the base unit. and an additional handset on the base unit side for lowering the speech level of the communication path including the amplifier circuit and communicating with the caller when the handset is picked up. Intercom.
JP12182684U 1984-08-07 1984-08-07 Intercom with talkback function Granted JPS6137655U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12182684U JPS6137655U (en) 1984-08-07 1984-08-07 Intercom with talkback function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12182684U JPS6137655U (en) 1984-08-07 1984-08-07 Intercom with talkback function

Publications (2)

Publication Number Publication Date
JPS6137655U true JPS6137655U (en) 1986-03-08
JPH046295Y2 JPH046295Y2 (en) 1992-02-20

Family

ID=30680604

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12182684U Granted JPS6137655U (en) 1984-08-07 1984-08-07 Intercom with talkback function

Country Status (1)

Country Link
JP (1) JPS6137655U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS649122U (en) * 1987-07-06 1989-01-18

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS649122U (en) * 1987-07-06 1989-01-18
JPH0327943Y2 (en) * 1987-07-06 1991-06-17

Also Published As

Publication number Publication date
JPH046295Y2 (en) 1992-02-20

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