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JPS5843100U - automatic broadcasting device - Google Patents

automatic broadcasting device

Info

Publication number
JPS5843100U
JPS5843100U JP1981136216U JP13621681U JPS5843100U JP S5843100 U JPS5843100 U JP S5843100U JP 1981136216 U JP1981136216 U JP 1981136216U JP 13621681 U JP13621681 U JP 13621681U JP S5843100 U JPS5843100 U JP S5843100U
Authority
JP
Japan
Prior art keywords
broadcasting device
automatic broadcasting
sound pressure
sets
background noise
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
JP1981136216U
Other languages
Japanese (ja)
Inventor
土肥　治
弓仲　武雄
青木　吾一
中里　真朗
寺西　勝也
Original Assignee
株式会社日立製作所
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 株式会社日立製作所 filed Critical 株式会社日立製作所
Priority to JP1981136216U priority Critical patent/JPS5843100U/en
Publication of JPS5843100U publication Critical patent/JPS5843100U/en
Pending legal-status Critical Current

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  • Control Of Amplification And Gain Control (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図は従来の自動放送装置ブロック図、第２図は第１
図のエスカレータ−への応用例図、第３゛図は駅用エス
カレータ−周辺の騒音レベルの変化図、第４図は本考案
の自動放送装置のブロック図、第５図は第４図のエスカ
レータ−への応用例図、第６図は本考案による放送音圧
レベルの変化図である。 １２・・・・・・マイクロホン、１３・・・・・・増幅
器、１４・・・・・・アクチュエータ、１５・・・・・
・アッテネータ、１６中・・・出力インターフェース。 第２　ロ ー　　　　（４ 第３閃Figure 1 is a block diagram of a conventional automatic broadcasting device, and Figure 2 is a block diagram of a conventional automatic broadcasting device.
Fig. 3 is a diagram of the change in noise level around a station escalator, Fig. 4 is a block diagram of the automatic broadcasting device of the present invention, and Fig. 5 is an example of the escalator shown in Fig. 4. FIG. 6 is a diagram showing changes in broadcast sound pressure level according to the present invention. 12...Microphone, 13...Amplifier, 14...Actuator, 15...
・Attenuator, 16 in... Output interface. 2nd Low (4 3rd Flash

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 状況に応じて自動的に案内あるいは警報放送を行なう自
動放送装置において、周囲の暗騒音レベルを計測する装
置、前記暗騒音レベルに応じて所定の音圧レベルを設定
する装置、前記設定値に応じて放送装置の音圧利得を調
整する装置を付加したことを特徴とする自動放送装置。An automatic broadcasting device that automatically broadcasts guidance or warnings depending on the situation, including a device that measures a background noise level in the surroundings, a device that sets a predetermined sound pressure level according to the background noise level, and a device that sets a predetermined sound pressure level according to the set value. An automatic broadcasting device characterized in that it is further equipped with a device for adjusting the sound pressure gain of the broadcasting device.
JP1981136216U 1981-09-16 1981-09-16 automatic broadcasting device Pending JPS5843100U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1981136216U JPS5843100U (en) 1981-09-16 1981-09-16 automatic broadcasting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981136216U JPS5843100U (en) 1981-09-16 1981-09-16 automatic broadcasting device

Publications (1)

Publication Number Publication Date
JPS5843100U true JPS5843100U (en) 1983-03-23

Family

ID=29929551

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981136216U Pending JPS5843100U (en) 1981-09-16 1981-09-16 automatic broadcasting device

Country Status (1)

Country Link
JP (1) JPS5843100U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014191033A (en) * 2013-03-26 2014-10-06 Nec Access Technica Ltd Voice output device and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014191033A (en) * 2013-03-26 2014-10-06 Nec Access Technica Ltd Voice output device and method

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