JPH0251414U - - Google Patents
Info
- Publication number
- JPH0251414U JPH0251414U JP13077888U JP13077888U JPH0251414U JP H0251414 U JPH0251414 U JP H0251414U JP 13077888 U JP13077888 U JP 13077888U JP 13077888 U JP13077888 U JP 13077888U JP H0251414 U JPH0251414 U JP H0251414U
- Authority
- JP
- Japan
- Prior art keywords
- volume
- control signal
- converter
- output
- detection 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
- 238000001514 detection method Methods 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案の一実施例を示すブロツク図、
第２図及び第３図はその動作説明に供する線図で
ある。
１…ポテンシヨメータ、２…Ａ／Ｄコンバータ
、３…検知回路、４…制御信号発生部、５…音量
制御回路。
FIG. 1 is a block diagram showing an embodiment of the present invention.
FIGS. 2 and 3 are diagrams for explaining the operation. DESCRIPTION OF SYMBOLS 1... Potentiometer, 2... A/D converter, 3... Detection circuit, 4... Control signal generator, 5... Volume control circuit.
Claims (1)
ータリエンコーダと、該エンドレスロータリエン
コーダから発生する上記電圧値をコード化するＡ
／Ｄコンバータと、該Ａ／Ｄコンバータの出力の
変化を検知する検知回路と、該検知回路の出力を
音量制御信号に変換する制御信号発生部と、上記
音量制御信号により音量の増減を行う音量制御回
路とを備えたことを特徴とする電子式音量制御装
置。 An endless rotary encoder that generates a voltage according to the rotation angle, and A that encodes the voltage value generated from the endless rotary encoder.
a /D converter, a detection circuit that detects a change in the output of the A/D converter, a control signal generator that converts the output of the detection circuit into a volume control signal, and a volume that increases or decreases the volume using the volume control signal. An electronic volume control device characterized by comprising a control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13077888U JPH0251414U (en) | 1988-10-05 | 1988-10-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13077888U JPH0251414U (en) | 1988-10-05 | 1988-10-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0251414U true JPH0251414U (en) | 1990-04-11 |
Family
ID=31386251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13077888U Pending JPH0251414U (en) | 1988-10-05 | 1988-10-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0251414U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008048318A (en) * | 2006-08-21 | 2008-02-28 | Kenwood Corp | Electronic device, and control method |
-
1988
- 1988-10-05 JP JP13077888U patent/JPH0251414U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008048318A (en) * | 2006-08-21 | 2008-02-28 | Kenwood Corp | Electronic device, and control method |