JPS58144915U - loudness control circuit - Google Patents
loudness control circuitInfo
- Publication number
- JPS58144915U JPS58144915U JP4097982U JP4097982U JPS58144915U JP S58144915 U JPS58144915 U JP S58144915U JP 4097982 U JP4097982 U JP 4097982U JP 4097982 U JP4097982 U JP 4097982U JP S58144915 U JPS58144915 U JP S58144915U
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- series
- control circuit
- loudness control
- capacitor
- 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
- 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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のラウドネス制御回路の回路図、第２，３
図は本考案の２つの実施例を示す回路図： である。
ＳｌおよびＳ２・・・スイッチ、ＶＲＩ・・・可変抵抗
、Ｃ１゜Ｃ２，Ｃ１ｏおよびＣ２ｏ・・・コンデンサ、
Ｒ□、 Ｒ２，Ｒ３゜、 Ｒ４，Ｒｌｏ、 Ｒ２Ｏ
およびＲ２Ｏ・・・抵抗。Figure 1 is a circuit diagram of a conventional loudness control circuit, Figures 2 and 3
The figure is a circuit diagram showing two embodiments of the present invention. Sl and S2...switch, VRI...variable resistor, C1°C2, C1o and C2o...capacitor,
R□, R2, R3゜, R4, Rlo, R2O
and R2O...resistance.
Claims (1)
記入力端子と前記可変抵抗の摺動子との間にスイッチを
介して接続された第１のコンデンサと第１の抵抗とを直
列接続した第１の直列回路と、前記入力端子と前記可変
抵抗の摺動子との間に前記スイッチを介して接続された
第２の抵抗と第３の抵抗とを直列接続した第２の直列回
路と、前記第２の抵抗と第３の抵抗との接続点と、前記
基準電位点との間に接続されかつ前記第１のコンデンサ
の容量より大きな容量を有する第２のコン、 デンサ
とを備えてなるラウドネス制御回路。A variable resistor connected between an input terminal and a reference potential point, and a first capacitor and a first resistor connected via a switch between the input terminal and a slider of the variable resistor are connected in series. A second series circuit in which a first series circuit is connected in series, and a second resistor and a third resistor are connected in series between the input terminal and the slider of the variable resistor through the switch. a second capacitor connected between a circuit, a connection point between the second resistor and the third resistor, and the reference potential point and having a capacitance larger than the capacitance of the first capacitor; Includes a loudness control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4097982U JPS58144915U (en) | 1982-03-25 | 1982-03-25 | loudness control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4097982U JPS58144915U (en) | 1982-03-25 | 1982-03-25 | loudness control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58144915U true JPS58144915U (en) | 1983-09-29 |
Family
ID=30052177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4097982U Pending JPS58144915U (en) | 1982-03-25 | 1982-03-25 | loudness control circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58144915U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5121801A (en) * | 1974-08-14 | 1976-02-21 | Clarion Co Ltd |
-
1982
- 1982-03-25 JP JP4097982U patent/JPS58144915U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5121801A (en) * | 1974-08-14 | 1976-02-21 | Clarion Co Ltd |
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