JPH0427647U - - Google Patents
Info
- Publication number
- JPH0427647U JPH0427647U JP6805390U JP6805390U JPH0427647U JP H0427647 U JPH0427647 U JP H0427647U JP 6805390 U JP6805390 U JP 6805390U JP 6805390 U JP6805390 U JP 6805390U JP H0427647 U JPH0427647 U JP H0427647U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric vibrator
- booster circuit
- sound generation
- generation control
- piezoelectric
- 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
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Description
第１図は本考案の実施例を示す回路図、第２図
は同上のリンガーとして動作する場合の回路図、
第３図は電話機の従来例の回路図である。
１……圧電音響変換器、２……圧電振動子、３
……発音制御手段。
Fig. 1 is a circuit diagram showing an embodiment of the present invention, Fig. 2 is a circuit diagram when operating as a ringer as described above,
FIG. 3 is a circuit diagram of a conventional example of a telephone. 1...Piezoelectric acoustic transducer, 2...Piezoelectric vibrator, 3
...pronunciation control means.
Claims (1)
に印加される電圧の昇圧を行う昇圧回路と、発音
制御手段からの発音制御信号に対応して前記昇圧
回路を圧電振動子に接離する切換手段とを有する
ことを特徴とする圧電型音響変換器。 A piezoelectric vibrator that performs acoustic conversion, a booster circuit that boosts the voltage applied to the piezoelectric vibrator, and switching that connects and disconnects the booster circuit to the piezoelectric vibrator in response to a sound generation control signal from a sound generation control means. A piezoelectric acoustic transducer comprising means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6805390U JPH0427647U (en) | 1990-06-27 | 1990-06-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6805390U JPH0427647U (en) | 1990-06-27 | 1990-06-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0427647U true JPH0427647U (en) | 1992-03-05 |
Family
ID=31602167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6805390U Pending JPH0427647U (en) | 1990-06-27 | 1990-06-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0427647U (en) |
-
1990
- 1990-06-27 JP JP6805390U patent/JPH0427647U/ja active Pending