JPS602396U - DC motor control circuit for alarm clock - Google Patents
DC motor control circuit for alarm clockInfo
- Publication number
- JPS602396U JPS602396U JP1983092293U JP9229383U JPS602396U JP S602396 U JPS602396 U JP S602396U JP 1983092293 U JP1983092293 U JP 1983092293U JP 9229383 U JP9229383 U JP 9229383U JP S602396 U JPS602396 U JP S602396U
- Authority
- JP
- Japan
- Prior art keywords
- alarm clock
- control circuit
- motor control
- control
- transistor
- 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
- Electromechanical Clocks (AREA)
- Control Of Direct Current Motors (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図は本考案の一実施例を示した電気回路図、第２〜
４図はそれぞれ定電圧回路の例を示した電気回路図であ
る。
２・・・・・・制御トランジスタ、３・・・・・・音量
制御用可変抵抗、４・・・・・・駆動トランジスタ、５
・・・・・・電池、６・・・・・・直流モータ、７・・
・・・・定電圧回路。Figure 1 is an electrical circuit diagram showing an embodiment of the present invention, Figure 2-
FIG. 4 is an electric circuit diagram showing an example of a constant voltage circuit. 2...Control transistor, 3...Variable resistor for volume control, 4...Drive transistor, 5
...Battery, 6...DC motor, 7...
... Constant voltage circuit.
Claims (1)
る制御トランジスタと、この制御トランジスタの出力を
音量制御用可変抵抗を介してベース入力に受ける駆動ト
ランジスタと、この駆動トランジスタと電源間に直列に
接続されたベル駆動、 用の直流モータと、上記制御
トランジスタの出力電圧を一定電圧に保持する定電圧回
路とからなるアラーム時計の直流モータ制御回路。A control transistor operated by an alarm output generated at a preset time, a drive transistor whose base input receives the output of this control transistor via a variable resistor for volume control, and a bell connected in series between this drive transistor and a power supply. A DC motor control circuit for an alarm clock consisting of a DC motor for driving and a constant voltage circuit that maintains the output voltage of the control transistor at a constant voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983092293U JPS602396U (en) | 1983-06-16 | 1983-06-16 | DC motor control circuit for alarm clock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983092293U JPS602396U (en) | 1983-06-16 | 1983-06-16 | DC motor control circuit for alarm clock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS602396U true JPS602396U (en) | 1985-01-09 |
Family
ID=30222452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1983092293U Pending JPS602396U (en) | 1983-06-16 | 1983-06-16 | DC motor control circuit for alarm clock |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS602396U (en) |
-
1983
- 1983-06-16 JP JP1983092293U patent/JPS602396U/en active Pending
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