JPS6235398U - - Google Patents
Info
- Publication number
- JPS6235398U JPS6235398U JP12679985U JP12679985U JPS6235398U JP S6235398 U JPS6235398 U JP S6235398U JP 12679985 U JP12679985 U JP 12679985U JP 12679985 U JP12679985 U JP 12679985U JP S6235398 U JPS6235398 U JP S6235398U
- Authority
- JP
- Japan
- Prior art keywords
- buzzer
- capacitor
- charging
- sounding circuit
- discharging
- 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
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Emergency Alarm Devices (AREA)
Description
第１図は本考案のブザー発音回路を示す回路図
、第２図は充放電回路を示す回路図、第３図は従
来のブザー発音回路を示す回路図である。
１……直流電源、２，３，４……スイツチ、５
……ブザー、６……コンデンサ、１１，１２……
整流素子。
FIG. 1 is a circuit diagram showing a buzzer sounding circuit of the present invention, FIG. 2 is a circuit diagram showing a charging/discharging circuit, and FIG. 3 is a circuit diagram showing a conventional buzzer sounding circuit. 1...DC power supply, 2, 3, 4...Switch, 5
...Buzzer, 6...Capacitor, 11,12...
Rectifying element.
Claims (1)
音回路において、ブザーの陽極および陰極とコン
デンサとの間に整流素子を接続することによつて
、ブザーに加わる充放電電圧極性を同極とするこ
とを特徴とするブザー発音回路。 In a buzzer sounding circuit that generates sound by charging and discharging a capacitor, a rectifying element is connected between the anode and cathode of the buzzer and the capacitor, so that the polarity of the charging and discharging voltage applied to the buzzer is made the same polarity. Buzzer sounding circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12679985U JPS6235398U (en) | 1985-08-20 | 1985-08-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12679985U JPS6235398U (en) | 1985-08-20 | 1985-08-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6235398U true JPS6235398U (en) | 1987-03-02 |
Family
ID=31020952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12679985U Pending JPS6235398U (en) | 1985-08-20 | 1985-08-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6235398U (en) |
-
1985
- 1985-08-20 JP JP12679985U patent/JPS6235398U/ja active Pending