JPS61107296U - - Google Patents
Info
- Publication number
- JPS61107296U JPS61107296U JP19121484U JP19121484U JPS61107296U JP S61107296 U JPS61107296 U JP S61107296U JP 19121484 U JP19121484 U JP 19121484U JP 19121484 U JP19121484 U JP 19121484U JP S61107296 U JPS61107296 U JP S61107296U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- circuit
- audio signal
- oscillator
- untuned
- 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 description 2
- 230000005236 sound signal Effects 0.000 claims 3
- 239000003990 capacitor Substances 0.000 claims 1
- 238000001514 detection method Methods 0.000 claims 1
- 230000010355 oscillation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第１図はこの考案に係る音響／電気信号変換回
路のブロツク線図、第２図は負荷回路のインピー
ダンス／周波数特性の説明図である。
図中、１は音源、２はマイクロホン、３は圧電
素子、５は発振器、６は検波器である。
FIG. 1 is a block diagram of the acoustic/electrical signal conversion circuit according to the invention, and FIG. 2 is an explanatory diagram of the impedance/frequency characteristics of the load circuit. In the figure, 1 is a sound source, 2 is a microphone, 3 is a piezoelectric element, 5 is an oscillator, and 6 is a detector.
Claims (1)
振器と、 音声信号を受けるコンデンサ形マイクロホンと
圧電素子とを有して形成され、上記発振器から送
出される搬送波信号を上記音声信号によつて変調
するための非同調負荷回路と、 該非同調負荷回路からの変調信号を検波して上
記音声信号を電気信号に復調する検波回路とを備
えていることを特徴とする音響／電気信号変換回
路。[Claims for Utility Model Registration] An oscillator having an internal oscillation circuit and transmitting a carrier wave signal, a capacitor type microphone that receives an audio signal, and a piezoelectric element, and the carrier wave signal transmitted from the oscillator is transmitted as described above. An acoustic/acoustic system comprising: an untuned load circuit for modulating an audio signal; and a detection circuit for detecting a modulated signal from the untuned load circuit and demodulating the audio signal into an electrical signal. Electrical signal conversion circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19121484U JPS61107296U (en) | 1984-12-17 | 1984-12-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19121484U JPS61107296U (en) | 1984-12-17 | 1984-12-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61107296U true JPS61107296U (en) | 1986-07-08 |
Family
ID=30748654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19121484U Pending JPS61107296U (en) | 1984-12-17 | 1984-12-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61107296U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013157897A (en) * | 2012-01-31 | 2013-08-15 | Tokai Rubber Ind Ltd | Electrostatic speaker device and electrostatic microphone device |
-
1984
- 1984-12-17 JP JP19121484U patent/JPS61107296U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013157897A (en) * | 2012-01-31 | 2013-08-15 | Tokai Rubber Ind Ltd | Electrostatic speaker device and electrostatic microphone device |
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