JPS60111157U - Telephone ring volume adjustment circuit - Google Patents

Telephone ring volume adjustment circuit

Info

Publication number
JPS60111157U
JPS60111157U JP20260683U JP20260683U JPS60111157U JP S60111157 U JPS60111157 U JP S60111157U JP 20260683 U JP20260683 U JP 20260683U JP 20260683 U JP20260683 U JP 20260683U JP S60111157 U JPS60111157 U JP S60111157U
Authority
JP
Japan
Prior art keywords
volume adjustment
adjustment circuit
ring volume
telephone ring
circuit
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
JP20260683U
Other languages
Japanese (ja)
Inventor
清 長島
Original Assignee
日本電気株式会社
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 日本電気株式会社 filed Critical 日本電気株式会社
Priority to JP20260683U priority Critical patent/JPS60111157U/en
Publication of JPS60111157U publication Critical patent/JPS60111157U/en
Pending 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 drawings]

第1図は本考案の一実施例を示す回路図である。 1・・・電話回線、2・・・トーンリンが発生回路、3
・・・抵抗、4・・・抵抗、5・・・呼出し音発生器、
6・・・マイク、7・・・雑音量検出回路、8・・・リ
レー、8a・・・接点、10・・・信号線。
FIG. 1 is a circuit diagram showing an embodiment of the present invention. 1...Telephone line, 2...Tonelin generation circuit, 3
...Resistance, 4...Resistance, 5...Ring tone generator,
6... Microphone, 7... Noise amount detection circuit, 8... Relay, 8a... Contact, 10... Signal line.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 電話機の呼出し音を発生させるための回路において、電
話機の周囲の雑音量を検知する回路を具備し、該回路の
動作により、呼出し音の発生に係る負荷を加減して、呼
出し音量を調節するようにしたことを特徴とする電話機
の呼出し音量調節回路。
A circuit for generating a ring tone of a telephone is equipped with a circuit that detects the amount of noise surrounding the telephone, and the ring volume is adjusted by adjusting the load related to the generation of the ring tone by the operation of the circuit. A ring volume adjustment circuit for a telephone set.
JP20260683U 1983-12-27 1983-12-27 Telephone ring volume adjustment circuit Pending JPS60111157U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20260683U JPS60111157U (en) 1983-12-27 1983-12-27 Telephone ring volume adjustment circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20260683U JPS60111157U (en) 1983-12-27 1983-12-27 Telephone ring volume adjustment circuit

Publications (1)

Publication Number Publication Date
JPS60111157U true JPS60111157U (en) 1985-07-27

Family

ID=30765046

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20260683U Pending JPS60111157U (en) 1983-12-27 1983-12-27 Telephone ring volume adjustment circuit

Country Status (1)

Country Link
JP (1) JPS60111157U (en)

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