JPS593615U - Loudness display circuit - Google Patents
Loudness display circuitInfo
- Publication number
- JPS593615U JPS593615U JP9960482U JP9960482U JPS593615U JP S593615 U JPS593615 U JP S593615U JP 9960482 U JP9960482 U JP 9960482U JP 9960482 U JP9960482 U JP 9960482U JP S593615 U JPS593615 U JP S593615U
- Authority
- JP
- Japan
- Prior art keywords
- loudness
- changeover switch
- circuit
- transistor
- display 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
Landscapes
- Audible And Visible Signals (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (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
第１図は従来例を示す図、第２図は本考案の一実施例を
示す図である。
９．１０・・・切換スイッチ、１９・・・発光ダイオー
ド、Ｑ、、 Ｑ２・・・トランジスタ。FIG. 1 is a diagram showing a conventional example, and FIG. 2 is a diagram showing an embodiment of the present invention. 9.10... Selector switch, 19... Light emitting diode, Q,, Q2... Transistor.
Claims (1)
）に見合うように調整するラウドネス回路の０Ｎ−ＯＦ
Ｆを表示する為の回路であって、前記ラウドネス回路を
０Ｎ−ＯＦＦすべく入力信号路を切換える切換スイッチ
と、該切換スイッチの入力端子側に接続された第１トラ
ンジスタと、該第１トランジスタにて制御される第２ト
ランジスタと、該第２トランジスタにて制御される発光
素子とを備え、前記切換スイッチを切換えることにより
前記第１トランジスタのベース電位を制御し、以ってラ
ウドネス回路の０Ｎ−ＯＦＦ表示を制御するようにした
ことを特徴とするラウドネス表示回路。0N-OF of the loudness circuit that adjusts the input signal to match the human auditory characteristics (Fletcher Munson characteristics)
A circuit for displaying F, which includes a changeover switch for switching an input signal path to turn the loudness circuit from ON to OFF, a first transistor connected to the input terminal side of the changeover switch, and a first transistor connected to the input terminal side of the changeover switch. and a light emitting element controlled by the second transistor, and by switching the changeover switch, the base potential of the first transistor is controlled. A loudness display circuit characterized by controlling an OFF display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9960482U JPS593615U (en) | 1982-06-30 | 1982-06-30 | Loudness display circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9960482U JPS593615U (en) | 1982-06-30 | 1982-06-30 | Loudness display circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS593615U true JPS593615U (en) | 1984-01-11 |
Family
ID=30235973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9960482U Pending JPS593615U (en) | 1982-06-30 | 1982-06-30 | Loudness display circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS593615U (en) |
-
1982
- 1982-06-30 JP JP9960482U patent/JPS593615U/en active Pending
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