JPS59187298U - Amplifier for public address broadcasting - Google Patents

Amplifier for public address broadcasting

Info

Publication number
JPS59187298U
JPS59187298U JP7979683U JP7979683U JPS59187298U JP S59187298 U JPS59187298 U JP S59187298U JP 7979683 U JP7979683 U JP 7979683U JP 7979683 U JP7979683 U JP 7979683U JP S59187298 U JPS59187298 U JP S59187298U
Authority
JP
Japan
Prior art keywords
amplifier
output
frequency band
public address
limiting 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
JP7979683U
Other languages
Japanese (ja)
Inventor
小山　勝行
享 加藤
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP7979683U priority Critical patent/JPS59187298U/en
Publication of JPS59187298U publication Critical patent/JPS59187298U/en
Pending legal-status Critical Current

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Landscapes

  • Tone Control, Compression And Expansion, Limiting Amplitude (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) [Abstract] 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図は従来の拡声放送装置のブロック図、第２図はこ
の考案の一実施例による拡声放送用増幅　・装置のブロ
ック図である。 １・・・音源、２・・・増幅装置、２１・・・出力レベ
ル制限回路、２２・・・周波数帯域制限回路、２３・・
・増幅回路。なお図中同一符号は同一、又は相当部分を
示す。FIG. 1 is a block diagram of a conventional loudspeaker broadcasting device, and FIG. 2 is a block diagram of an amplification device for loudspeaker broadcasting according to an embodiment of this invention. DESCRIPTION OF SYMBOLS 1... Sound source, 2... Amplifying device, 21... Output level limiting circuit, 22... Frequency band limiting circuit, 23...
・Amplification circuit. Note that the same reference numerals in the figures indicate the same or equivalent parts.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 一　　　　　音源からの入力信号を受けその出力レベル
を外部からの調整操作に応じて制限する出力レベル制限
回路と、該レベル制限された出力信号の出力周波数帯域
を外部からの調整操作に応じて制限する周波数帯域制限
回路と、該周波数帯域制限回路の出力を増幅する増幅回
路とを備えたことを特徴とする拡声放送用増幅装置。(1) An output level limiting circuit that receives an input signal from a sound source and limits its output level in accordance with an external adjustment operation, and limits the output frequency band of the level-limited output signal in accordance with an external adjustment operation. 1. An amplifier for loudspeaker broadcasting, comprising a frequency band limiting circuit and an amplifier circuit for amplifying the output of the frequency band limiting circuit.
JP7979683U 1983-05-25 1983-05-25 Amplifier for public address broadcasting Pending JPS59187298U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7979683U JPS59187298U (en) 1983-05-25 1983-05-25 Amplifier for public address broadcasting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7979683U JPS59187298U (en) 1983-05-25 1983-05-25 Amplifier for public address broadcasting

Publications (1)

Publication Number Publication Date
JPS59187298U true JPS59187298U (en) 1984-12-12

Family

ID=30209787

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7979683U Pending JPS59187298U (en) 1983-05-25 1983-05-25 Amplifier for public address broadcasting

Country Status (1)

Country Link
JP (1) JPS59187298U (en)

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