JPS61394U - speaker protection circuit - Google Patents
speaker protection circuitInfo
- Publication number
- JPS61394U JPS61394U JP7262585U JP7262585U JPS61394U JP S61394 U JPS61394 U JP S61394U JP 7262585 U JP7262585 U JP 7262585U JP 7262585 U JP7262585 U JP 7262585U JP S61394 U JPS61394 U JP S61394U
- Authority
- JP
- Japan
- Prior art keywords
- output
- rectifier circuit
- speaker
- circuit
- protection 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
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
第１図はこの考案の一実施例を示す回路図、第２図はこ
の考案の基本原理を示す回路図、第３図は第１図の実施
例を簡略化した実施例の回路図である。
図中、同一あるいは相当部分は同一符号で示してあり、
１，１′は入力端子、２，８は可変抵抗、３〜６および
９〜１２はダイオード、７は積分回路、１３は電解コン
デンサ、１５は自己保持型スイッチ、１５′はスイッチ
、１５“は切換スイッチ、１６はスピーカ、２１は第１
の整流回路、２２は第２の整流回路である。Fig. 1 is a circuit diagram showing an embodiment of this invention, Fig. 2 is a circuit diagram showing the basic principle of this invention, and Fig. 3 is a circuit diagram of a simplified embodiment of the embodiment of Fig. 1. . In the figures, the same or corresponding parts are indicated by the same symbols.
1 and 1' are input terminals, 2 and 8 are variable resistors, 3 to 6 and 9 to 12 are diodes, 7 is an integrating circuit, 13 is an electrolytic capacitor, 15 is a self-holding switch, 15' is a switch, and 15'' is a Selector switch, 16 is the speaker, 21 is the first
22 is a second rectifier circuit.
Claims (1)
に印加される電力増幅器からの信号を整流する第１の整
流回路， （ｂ）この第１の整流回路の出力を積分する積分回路， （Ｃ）上記第１の整流回路と同一人力電圧において上記
第１の整流回路の出力よりも高い出力電圧を出力する第
２の整流回路を備え， （ｄ）上記積分回路の出力が一定値より大きくなると動
作七で上記スピーカへの入力を遮断し、その後は上記第
２の整流回路の出力が加えられ上記第２の整流回路の出
力が一定値より小さくなると復帰する自己保持型スイッ
チを備えたスピ一カ保護回路。[Claims for Utility Model Registration] (a) A first rectifier circuit connected in parallel with a speaker and rectifying a signal from a power amplifier applied to an input terminal of the speaker; an integrating circuit that integrates the output; (C) a second rectifier circuit that outputs a higher output voltage than the output of the first rectifier circuit at the same human voltage as the first rectifier circuit; When the output of the circuit becomes larger than a certain value, the input to the speaker is cut off in operation 7, and after that, the output of the second rectifier circuit is added, and when the output of the second rectifier circuit becomes smaller than the certain value, it is restored. Speaker protection circuit with self-holding switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7262585U JPS61394U (en) | 1985-05-16 | 1985-05-16 | speaker protection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7262585U JPS61394U (en) | 1985-05-16 | 1985-05-16 | speaker protection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61394U true JPS61394U (en) | 1986-01-06 |
Family
ID=30611207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7262585U Pending JPS61394U (en) | 1985-05-16 | 1985-05-16 | speaker protection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61394U (en) |
-
1985
- 1985-05-16 JP JP7262585U patent/JPS61394U/en active Pending
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