JPS58138486U - Microphone connection circuit - Google Patents
Microphone connection circuitInfo
- Publication number
- JPS58138486U JPS58138486U JP3416182U JP3416182U JPS58138486U JP S58138486 U JPS58138486 U JP S58138486U JP 3416182 U JP3416182 U JP 3416182U JP 3416182 U JP3416182 U JP 3416182U JP S58138486 U JPS58138486 U JP S58138486U
- Authority
- JP
- Japan
- Prior art keywords
- pole
- terminal
- microphone
- plug
- connection circuit
- 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
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図は従来のマイクロホン接続回路の１例の回路図、
第２図は従来のマイクロホン接続回路の他の例の回路図
、第３図は本考案回路の１実施例の回路図、第４図は本
考案回路に外部マイクロホンを接続した場合の１実施例
の回路図である。
１・・・・・・エレクトレットマイクロホンユニット、
２・・・・・・電源端子、３・・・・・・出力端子、４
・・・・・・接地端子、６・・・・・・外部マイクロホ
ン、？、９．１１・・・・・・プラグ、１０．１２・・
・・・・ジャック、Ｃ０・・・・・・コンデンサ、Ｒ１
・・・・・・抵抗、Ｑ亡・・・・電界効果トランジスタ
（ＦＥＴ）。Figure 1 is a circuit diagram of an example of a conventional microphone connection circuit.
Fig. 2 is a circuit diagram of another example of the conventional microphone connection circuit, Fig. 3 is a circuit diagram of one embodiment of the circuit of the present invention, and Fig. 4 is an embodiment of the circuit of the present invention in which an external microphone is connected. FIG. 1...Electret microphone unit,
2...Power terminal, 3...Output terminal, 4
......Ground terminal, 6...External microphone, ? , 9.11...Plug, 10.12...
... Jack, C0 ... Capacitor, R1
...Resistance, Q loss...Field effect transistor (FET).
Claims (1)
は該外部マイクロホンの出力端子、第２極は接地端子に
接続された２極プラグによって接続可能であり、電源を
供給されて動作する内蔵マイクロホンを有する機器のマ
イクロホンの接続回路において、第１極及び第２極は該
内蔵マイクロホンの出力端子、第３極は接地端子に接続
された３極プラグと、第１端子は該機器の出力端子、第
２端子は電源端子、第３端子は接地端子に接続されてお
り、該３極プラグが挿入される第３極プラグの第１〜第
３極が夫々該第１〜第３端子に接続され、該外部マイク
ロホンの２極プラグが挿木されると該２極プラグの第１
極は該第１端子、第２極は該第２、第３端子に接続され
るジャックとよりなるマイクロホンの接続回路。An external microphone that operates without being supplied with power can be connected to a two-pole plug whose first pole is connected to the output terminal of the external microphone and whose second pole is connected to the ground terminal, and the built-in microphone which operates when supplied with power. In a connection circuit for a microphone of a device, the first and second poles are the output terminals of the built-in microphone, the third pole is a three-pole plug connected to the ground terminal, and the first terminal is the output terminal of the device, The second terminal is connected to a power supply terminal, the third terminal is connected to a ground terminal, and the first to third poles of a third pole plug into which the three-pole plug is inserted are connected to the first to third terminals, respectively. , when the two-prong plug of the external microphone is inserted, the first one of the two-prong plug
A microphone connection circuit comprising a jack connected to the first terminal as a pole, and a jack connected to the second and third terminals as a second pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3416182U JPS58138486U (en) | 1982-03-11 | 1982-03-11 | Microphone connection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3416182U JPS58138486U (en) | 1982-03-11 | 1982-03-11 | Microphone connection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58138486U true JPS58138486U (en) | 1983-09-17 |
Family
ID=30045669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3416182U Pending JPS58138486U (en) | 1982-03-11 | 1982-03-11 | Microphone connection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58138486U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS567291B2 (en) * | 1978-03-31 | 1981-02-17 |
-
1982
- 1982-03-11 JP JP3416182U patent/JPS58138486U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS567291B2 (en) * | 1978-03-31 | 1981-02-17 |
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