JPS6385988U - - Google Patents
Info
- Publication number
- JPS6385988U JPS6385988U JP18125186U JP18125186U JPS6385988U JP S6385988 U JPS6385988 U JP S6385988U JP 18125186 U JP18125186 U JP 18125186U JP 18125186 U JP18125186 U JP 18125186U JP S6385988 U JPS6385988 U JP S6385988U
- Authority
- JP
- Japan
- Prior art keywords
- microphone
- directivity
- speaker
- main microphone
- inputting
- 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
- 238000010586 diagram Methods 0.000 description 4
Description
第１図はこの考案の構成を示すブロツク図、第
２図はこの考案の一実施例を示す説明図、第３図
はこの考案の実施例における電気回路を示す回路
図、第４図は従来の音声入力装置の一例を示す説
明図である。
図において１は主マイクロホン、２はマイクア
ーム、３はヘツドパツト、４はヘツドバンド、５
は出力端子、６は付設マイクロホン、７は差動増
幅器、１１，１２は電気信号。なお、図中同一符
号は同一または相当する部分を示す。
Fig. 1 is a block diagram showing the configuration of this invention, Fig. 2 is an explanatory diagram showing an embodiment of this invention, Fig. 3 is a circuit diagram showing an electric circuit in an embodiment of this invention, and Fig. 4 is a conventional one. FIG. 2 is an explanatory diagram showing an example of a voice input device. In the figure, 1 is the main microphone, 2 is the microphone arm, 3 is the headpad, 4 is the headband, and 5
is an output terminal, 6 is an attached microphone, 7 is a differential amplifier, and 11 and 12 are electrical signals. Note that the same reference numerals in the figures indicate the same or corresponding parts.
Claims (1)
ホン、この主マイクロホンと同じ方向に向かつて
配置され話者後方の雑音の入力する指向性を持つ
付設マイクロホン、上記主マイクロホンと上記付
設マイクロホンの電気信号の差に対する信号を得
る差動増幅器を備えた音声入力装置。 A main microphone with directivity for inputting the speaker's voice, an attached microphone placed facing the same direction as the main microphone and having directivity for inputting noise behind the speaker, and electrical signals from the main microphone and the attached microphone. An audio input device with a differential amplifier that obtains a signal for the difference between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18125186U JPS6385988U (en) | 1986-11-26 | 1986-11-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18125186U JPS6385988U (en) | 1986-11-26 | 1986-11-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6385988U true JPS6385988U (en) | 1988-06-04 |
Family
ID=31125948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18125186U Pending JPS6385988U (en) | 1986-11-26 | 1986-11-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6385988U (en) |
-
1986
- 1986-11-26 JP JP18125186U patent/JPS6385988U/ja active Pending
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