JPS60150826U - Key operation bell sound generator - Google Patents
Key operation bell sound generatorInfo
- Publication number
- JPS60150826U JPS60150826U JP3848584U JP3848584U JPS60150826U JP S60150826 U JPS60150826 U JP S60150826U JP 3848584 U JP3848584 U JP 3848584U JP 3848584 U JP3848584 U JP 3848584U JP S60150826 U JPS60150826 U JP S60150826U
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- signal
- key operation
- transistor
- digit
- 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
Landscapes
- Input From Keyboards Or The Like (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Noise Elimination (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図は従来のシンセサイザーチューナーの基本的な構
成を示す図、第２図は本考案のキー操作ベル音発生装置
の構成を示す図、第３図は同、説明図である。
１３・・・・・・キー操作回路、１９・・・・・・周波
数表示器、２０・・・・・・クロックパルス発生回路、
２３・・・・・・トランジスタ、２５・・・・・・スピ
ーカー。FIG. 1 is a diagram showing the basic configuration of a conventional synthesizer tuner, FIG. 2 is a diagram showing the configuration of the key-operated bell sound generating device of the present invention, and FIG. 3 is an explanatory diagram of the same. 13...Key operation circuit, 19...Frequency display, 20...Clock pulse generation circuit,
23...Transistor, 25...Speaker.
Claims (1)
した信号と基準信号をプログラマブル分周器を通して分
周した信号とを位相比較し、当該位相比較出力により上
記電圧制御型局部発振器の局部発振周波数を制御すると
ともに、上記プログラマブル分周器の分周比を変化させ
ることにより受信周波数を決定するようにしたシンセサ
イザーチューナーにおいて、 （イ）キー操作回路１３゜ （ロ）当該キー操作回路１３からの指令信号に応じてミ
ューティング信号を出力する制御回路１２゜ （ハ）受信周波数の各桁およびその他の表示をする複数
個のセグメント群を有する周波数表示器１９゜ に）当該周波数表示器１９の各セグメント群を時分割駆
動する複数個のパルス列からなるデジット信号Ｄａ、
Ｄｂ、Ｄｃ・・・・・・Ｄｇを出力するクロックパルス
発生回路２０゜ （ホ）上記ミューティング信号が供給されるトランジス
タ２３゜ （へ）当該トランジスタ２３と並列に接続され、上記ミ
ューティング信号が供給されるスピーカー２５゜ とからなり、上記トランジスタ２３を上記デジット信号
Ｄａ、 Ｄｂ、 Ｄｃ・・・・・・Ｄｇのうち１または
複数個のデジット信号により制御して、オン、オフさせ
ることを特徴とするキー操作音発生装置。[Claims for Utility Model Registration] A signal obtained by frequency-downgrading the local oscillation output signal of a voltage-controlled local oscillator and a signal obtained by frequency-dividing the reference signal through a programmable frequency divider are compared in phase, and the above-mentioned voltage is determined by the phase comparison output. In a synthesizer tuner that controls the local oscillation frequency of a controlled local oscillator and determines the reception frequency by changing the division ratio of the programmable frequency divider, (a) key operation circuit 13° (b) A control circuit 12° that outputs a muting signal in response to a command signal from the key operation circuit 13 (c) a frequency display 19° having a plurality of segment groups for displaying each digit of the received frequency and other information) A digit signal Da consisting of a plurality of pulse trains that time-divisionally drives each segment group of the frequency display 19;
A clock pulse generation circuit 20° (E) that outputs Db, Dc, Dg, etc. (E) A transistor 23° (F) connected in parallel with the transistor 23 to which the muting signal is supplied. The transistor 23 is controlled by one or more of the digit signals Da, Db, Dc, . . . , Dg to turn it on and off. Key operation sound generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3848584U JPS60150826U (en) | 1984-03-17 | 1984-03-17 | Key operation bell sound generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3848584U JPS60150826U (en) | 1984-03-17 | 1984-03-17 | Key operation bell sound generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60150826U true JPS60150826U (en) | 1985-10-07 |
| JPH0136358Y2 JPH0136358Y2 (en) | 1989-11-06 |
Family
ID=30545540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3848584U Granted JPS60150826U (en) | 1984-03-17 | 1984-03-17 | Key operation bell sound generator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60150826U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63142926U (en) * | 1987-03-12 | 1988-09-20 |
-
1984
- 1984-03-17 JP JP3848584U patent/JPS60150826U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63142926U (en) * | 1987-03-12 | 1988-09-20 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0136358Y2 (en) | 1989-11-06 |
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