JPS6193018U - - Google Patents
Info
- Publication number
- JPS6193018U JPS6193018U JP17741984U JP17741984U JPS6193018U JP S6193018 U JPS6193018 U JP S6193018U JP 17741984 U JP17741984 U JP 17741984U JP 17741984 U JP17741984 U JP 17741984U JP S6193018 U JPS6193018 U JP S6193018U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- key input
- smoothing circuit
- processor
- output
- 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.)
- Granted
Links
- 238000009499 grossing Methods 0.000 claims 3
- 230000007423 decrease Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
Description
第１図はこの考案の実施例である音量制御回路
の回路図、第２図は従来の音量制御回路を示す回
路図である。
１…音量制御プロセツサ、２，３，４…キー入
力端子、１０，１２…抵抗、１１，１３…コンデ
ンサ、１５…音量回路、１９…定電圧ダイオード
、２０…ダイオード。なお、図中、同一符号は同
一または相当部分を示す。
FIG. 1 is a circuit diagram of a volume control circuit according to an embodiment of this invention, and FIG. 2 is a circuit diagram showing a conventional volume control circuit. DESCRIPTION OF SYMBOLS 1... Volume control processor, 2, 3, 4... Key input terminal, 10, 12... Resistor, 11, 13... Capacitor, 15... Volume circuit, 19... Constant voltage diode, 20... Diode. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
所定の信号を出力するプロセツサと、このプロセ
ツサの出力を平滑する平滑回路と、この平滑回路
の出力にもとづいて音量等を増減する回路と、上
記複数のキー入力端子のうち特定の入力端子に信
号が入力されたときのみ上記平滑回路の充電電荷
の放電経路を形成する放電回路とを備えたことを
特徴とする音量等の制御回路。 A processor that has a plurality of key input terminals and outputs a predetermined signal in response to each key input, a smoothing circuit that smoothes the output of this processor, and a circuit that increases or decreases the volume etc. based on the output of this smoothing circuit. A control circuit for controlling volume, etc., comprising: a discharge circuit that forms a discharge path for the charges in the smoothing circuit only when a signal is input to a specific input terminal among the plurality of key input terminals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984177419U JPH0314814Y2 (en) | 1984-11-20 | 1984-11-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984177419U JPH0314814Y2 (en) | 1984-11-20 | 1984-11-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6193018U true JPS6193018U (en) | 1986-06-16 |
| JPH0314814Y2 JPH0314814Y2 (en) | 1991-04-02 |
Family
ID=30734987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984177419U Expired JPH0314814Y2 (en) | 1984-11-20 | 1984-11-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0314814Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61158722U (en) * | 1985-03-20 | 1986-10-01 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59172817A (en) * | 1983-03-19 | 1984-09-29 | Matsushita Electric Ind Co Ltd | Sound volume control circuit |
-
1984
- 1984-11-20 JP JP1984177419U patent/JPH0314814Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59172817A (en) * | 1983-03-19 | 1984-09-29 | Matsushita Electric Ind Co Ltd | Sound volume control circuit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61158722U (en) * | 1985-03-20 | 1986-10-01 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0314814Y2 (en) | 1991-04-02 |
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