JPS6374820U - - Google Patents
Info
- Publication number
- JPS6374820U JPS6374820U JP16968686U JP16968686U JPS6374820U JP S6374820 U JPS6374820 U JP S6374820U JP 16968686 U JP16968686 U JP 16968686U JP 16968686 U JP16968686 U JP 16968686U JP S6374820 U JPS6374820 U JP S6374820U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- intermediate tap
- variable resistor
- high frequency
- switch
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
Description
第１図は本考案実施例のラウドネスコントロー
ル回路の回路図、第２図は従来のラウドネスコン
トロール回路の回路図である。
１……第１高域上昇回路、２……第２高域上昇
回路、３……入力端子、４……低域上昇回路、５
……スイツチ手段（スイツチングトランジスタ）
、６……出力端子、Ｔ……中間タツプ、ＶＲ……
中間タツプ付可変抵抗器、Ｓ１１……ラウドネス
スイツチ、ＦＳ……モード切換スイツチ、ｔ……
可動接点。
FIG. 1 is a circuit diagram of a loudness control circuit according to an embodiment of the present invention, and FIG. 2 is a circuit diagram of a conventional loudness control circuit. 1...First high frequency increasing circuit, 2...Second high frequency increasing circuit, 3...Input terminal, 4...Low frequency increasing circuit, 5
...Switching means (switching transistor)
, 6... Output terminal, T... Intermediate tap, VR...
Variable resistor with intermediate tap, S 11 ... Loudness switch, FS... Mode selection switch, t...
Movable contacts.
Claims (1)
高域上昇回路及び中間タツプ付可変抵抗器と、該
可変抵抗器の中間タツプと接地間に接続された低
域上昇回路と、前記第１高域上昇回路と前記中間
タツプとをそのＯＮ操作時、ＯＮ側接点に接続す
ることで接続するラウドネススイツチと、前記第
２高域上昇回路と前記ＯＮ側接点とをその作動時
接続するスイツチ手段と、前記中間タツプ付可変
抵抗器の可動接点に接続された出力端子と、ラジ
オ受信部と他の入力信号源部とを選択的に切換え
ると共に、他の入力信号源部側への切換えで前記
スイツチ手段を作動する切換スイツチとよりなる
ラウドネスコントロール回路。 A first high-frequency boost circuit connected to the input terminal, a second
When a high frequency rise circuit and a variable resistor with an intermediate tap, a low frequency rise circuit connected between the intermediate tap of the variable resistor and the ground, the first high frequency rise circuit and the intermediate tap are turned on, , a loudness switch connected by being connected to the ON side contact, a switch means for connecting the second high frequency raising circuit and the ON side contact when activated, and connected to the movable contact of the variable resistor with an intermediate tap. A loudness control circuit comprising: an output terminal for selectively switching between a radio receiving section and another input signal source section, and a changeover switch for operating said switch means by switching to the other input signal source section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16968686U JPS6374820U (en) | 1986-11-05 | 1986-11-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16968686U JPS6374820U (en) | 1986-11-05 | 1986-11-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6374820U true JPS6374820U (en) | 1988-05-18 |
Family
ID=31103721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16968686U Pending JPS6374820U (en) | 1986-11-05 | 1986-11-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6374820U (en) |
-
1986
- 1986-11-05 JP JP16968686U patent/JPS6374820U/ja active Pending
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