JPS62198709U - - Google Patents
Info
- Publication number
- JPS62198709U JPS62198709U JP8758886U JP8758886U JPS62198709U JP S62198709 U JPS62198709 U JP S62198709U JP 8758886 U JP8758886 U JP 8758886U JP 8758886 U JP8758886 U JP 8758886U JP S62198709 U JPS62198709 U JP S62198709U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- muting
- capacitor
- connects
- series
- 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.)
- Granted
Links
- 239000003990 capacitor Substances 0.000 claims description 3
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 6
- 230000003321 amplification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Landscapes
- Control Of Amplification And Gain Control (AREA)
- Amplifiers (AREA)
Description
第１図は本考案の一実施例のブロツク図、第２
図は第１図に示された実施例の動作を説明するた
めの波形図、第３図は本考案の他の実施例のブロ
ツク図、第４図は第３図に示された実施例の動作
を説明するための波形図、第５図は先行技術のブ
ロツク図、第６図は第５図に示された先行技術の
動作を説明するための波形図である。
１２，１４，１５，１８，１９，２８，３０，
３１……抵抗、１３，２０，２７……トランジス
タ、１６，３３……コンデンサ、１７，３４……
ミユーテイング信号発生回路、２１……ライン、
２２……音響信号発生回路、２３……増幅回路、
２４……スピーカ。
Fig. 1 is a block diagram of an embodiment of the present invention;
The figures are waveform diagrams for explaining the operation of the embodiment shown in Fig. 1, Fig. 3 is a block diagram of another embodiment of the present invention, and Fig. 4 is a waveform diagram of the embodiment shown in Fig. 3. FIG. 5 is a block diagram of the prior art, and FIG. 6 is a waveform diagram for explaining the operation of the prior art shown in FIG. 12, 14, 15, 18, 19, 28, 30,
31...Resistor, 13,20,27...Transistor, 16,33...Capacitor, 17,34...
Muting signal generation circuit, 21...line,
22...Acoustic signal generation circuit, 23...Amplification circuit,
24...Speaker.
Claims (1)
に接続し、トランジスタのベースに直列にコンデ
ンサを接続し、音響信号を遮断すべきときに、コ
ンデンサにミユーテイング信号を与えてトランジ
スタを導通させるミユーテイング信号発生回路を
設け、音響信号のラインに並列に設けられたスイ
ツチング素子をトランジスタの導通時の出力によ
つて導通させることを特徴とするミユーテイング
回路。 A muting signal generation circuit that connects a power supply, a resistor, and a transistor in series in this order, connects a capacitor in series to the base of the transistor, and applies a muting signal to the capacitor to make the transistor conductive when an acoustic signal should be cut off. 1. A muting circuit characterized in that a switching element provided in parallel with an acoustic signal line is made conductive by an output when a transistor is made conductive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8758886U JPH0535615Y2 (en) | 1986-06-09 | 1986-06-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8758886U JPH0535615Y2 (en) | 1986-06-09 | 1986-06-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62198709U true JPS62198709U (en) | 1987-12-17 |
| JPH0535615Y2 JPH0535615Y2 (en) | 1993-09-09 |
Family
ID=30944940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8758886U Expired - Lifetime JPH0535615Y2 (en) | 1986-06-09 | 1986-06-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0535615Y2 (en) |
-
1986
- 1986-06-09 JP JP8758886U patent/JPH0535615Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0535615Y2 (en) | 1993-09-09 |
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