JPH0453394U - - Google Patents
Info
- Publication number
- JPH0453394U JPH0453394U JP9565090U JP9565090U JPH0453394U JP H0453394 U JPH0453394 U JP H0453394U JP 9565090 U JP9565090 U JP 9565090U JP 9565090 U JP9565090 U JP 9565090U JP H0453394 U JPH0453394 U JP H0453394U
- Authority
- JP
- Japan
- Prior art keywords
- microphone unit
- condenser microphone
- electret condenser
- holder
- held
- 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
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000011888 foil Substances 0.000 claims 1
- 230000035945 sensitivity Effects 0.000 claims 1
- 238000003786 synthesis reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 230000005284 excitation Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 1
Landscapes
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Description
第１図は請求項１の考案の実施例を示す断面図
、第２図は第１図の上面図、第３図は第１図の実
施例の電気回路図、第４図はエレクトレツトの電
荷と誘電電荷とを示す図、第５図はマイクロホン
ユニツトの音響入力に対する周波数特性図、第６
図はマイクロホンユニツトの加振に対する周波数
特性図、第７図は、第１図の実施例及び比較例の
加振に対する周波数特性図、第８図は請求項２の
考案の実施例を示す断面図、第９図は請求項３の
考案の実施例を示す断面図、第１０図は請求項３
の考案の実施例の電気回路図である。
1 is a sectional view showing an embodiment of the invention of claim 1, FIG. 2 is a top view of FIG. 1, FIG. 3 is an electric circuit diagram of the embodiment of FIG. 1, and FIG. 4 is an electret diagram. Figure 5 is a diagram showing the electric charge and dielectric charge. Figure 5 is a frequency characteristic diagram for the acoustic input of the microphone unit.
The figure is a frequency characteristic diagram for excitation of the microphone unit, FIG. 7 is a frequency characteristic diagram for excitation of the embodiment and comparative example of FIG. 1, and FIG. 8 is a sectional view showing an embodiment of the invention of claim 2. , FIG. 9 is a sectional view showing an embodiment of the invention according to claim 3, and FIG. 10 is a cross-sectional view showing an embodiment of the invention according to claim 3.
FIG. 2 is an electrical circuit diagram of an embodiment of the invention.
Claims (1)
るホルダと、 そのホルダの一方の保持部に保持され、音孔が
開放されたバツクエレクトレツトコンデンサマイ
クロホンユニツトと、 そのバツクエレクトレツトコンデンサマイクロ
ホンユニツトとほぼ平行した軸心を有し、同一向
きで上記ホルダの他方の保持部に保持され、上記
バツクエレクトレツトコンデンサマイクロホンユ
ニツトと機械的振動に対する感度がほぼ同一であ
り、出力端子が上記バツクエレクトレツトコンデ
ンサマイクロホンユニツトの出力端子と接続され
、音孔が閉塞されたホイルエレクトレツトコンデ
ンサマイクロホンユニツトと、 よりなる振動雑音打消マイクロホン。 (2) ならんだ二つの保持部を有し、剛体よりな
るホルダと、 そのホルダの一方の保持部に保持された第１エ
レクトレツトコンデンサマイクロホンユニツトと
、 その第１エレクトレツトコンデンサマイクロホ
ンユニツトとほぼ平行した軸心を有し、逆向きに
上記ホルダの他方の保持部に保持され、上記第１
エレクトレツトコンデンサマイクロホンユニツト
とほぼ同一特性で、出力端子が互いに接続された
同一形式の第２エレクトレツトコンデンサマイク
ロホンユニツトと、 よりなる振動雑音打消マイクロホン。 (3) ならんだ二つの保持部を有し、剛体よりな
るホルダと、 そのホルダの一方の保持部に保持され、音孔が
開放された第１エレクトレツトコンデンサマイク
ロホンユニツトと、 その第１エレクトレツトコンデンサマイクロホ
ンユニツトとほぼ平行した軸心を有し、同一向き
で上記ホルダの他方の保持部に保持され、上記第
１エレクトレツトコンデンサマイクロホンユニツ
トとほぼ同一特性で、音孔が閉塞された同一形式
の第２エレクトレツトコンデンサマイクロホンユ
ニツトと、 上記第１エレクトレツトコンデンサマイクロホ
ンユニツトの出力と上記第２エレクトレツトコン
デンサマイクロホンユニツトの出力とを逆極性で
合成する合成回路と、 よりなる振動雑音打消マイクロホン。[Scope of Claim for Utility Model Registration] (1) A holder made of a rigid body and having two holding parts arranged in a row, and a back-electret condenser microphone unit held by one of the holding parts of the holder and having an open sound hole. and has an axis substantially parallel to the back-electret condenser microphone unit, is held in the same direction in the other holding part of the holder, and has substantially the same sensitivity to mechanical vibration as the back-electret condenser microphone unit. A vibration noise canceling microphone comprising: a foil electric condenser microphone unit whose output terminal is connected to the output terminal of the back electric condenser microphone unit and whose sound hole is closed; (2) A holder made of a rigid body and having two holding parts arranged in a line; a first electret condenser microphone unit held by one of the holding parts of the holder; and a holder substantially parallel to the first electret condenser microphone unit. and is held in the other holding part of the holder in the opposite direction, and the first
A vibration noise canceling microphone consisting of a second electret condenser microphone unit having almost the same characteristics as an electret condenser microphone unit and having the same type of output terminals connected to each other. (3) A holder made of a rigid body and having two holding parts arranged in a line; a first electret condenser microphone unit held by one of the holding parts of the holder and having an open sound hole; and the first electret. The first electret condenser microphone unit has an axis substantially parallel to the condenser microphone unit, is held in the same direction in the other holding part of the holder, has substantially the same characteristics as the first electret condenser microphone unit, and has a closed sound hole. A vibration noise canceling microphone comprising: a second electret condenser microphone unit; and a synthesis circuit that synthesizes the output of the first electret condenser microphone unit and the output of the second electret condenser microphone unit with opposite polarities.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990095650U JP2544012Y2 (en) | 1990-09-12 | 1990-09-12 | Vibration noise canceling microphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990095650U JP2544012Y2 (en) | 1990-09-12 | 1990-09-12 | Vibration noise canceling microphone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0453394U true JPH0453394U (en) | 1992-05-07 |
| JP2544012Y2 JP2544012Y2 (en) | 1997-08-13 |
Family
ID=31834541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990095650U Expired - Fee Related JP2544012Y2 (en) | 1990-09-12 | 1990-09-12 | Vibration noise canceling microphone |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2544012Y2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009506658A (en) * | 2005-08-23 | 2009-02-12 | アナログ デバイシス， インコーポレイテッド | Microphone system and method for reducing noise |
| JP2009100425A (en) * | 2007-10-19 | 2009-05-07 | Yamaha Corp | Condenser microphone device |
| WO2010140312A1 (en) * | 2009-06-04 | 2010-12-09 | パナソニック株式会社 | Microphone |
| JP2011087123A (en) * | 2009-10-15 | 2011-04-28 | Hosiden Corp | Capacitor microphone |
| JP2012039211A (en) * | 2010-08-04 | 2012-02-23 | Audio Technica Corp | Microphone array |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1821569A1 (en) * | 2004-12-07 | 2007-08-22 | NTT DoCoMo, Inc. | Microphone device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5764984U (en) * | 1980-10-06 | 1982-04-17 | ||
| JPH01142295U (en) * | 1988-03-19 | 1989-09-29 | ||
| JPH0241099A (en) * | 1988-07-30 | 1990-02-09 | Sony Corp | Microphone equipment |
-
1990
- 1990-09-12 JP JP1990095650U patent/JP2544012Y2/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5764984U (en) * | 1980-10-06 | 1982-04-17 | ||
| JPH01142295U (en) * | 1988-03-19 | 1989-09-29 | ||
| JPH0241099A (en) * | 1988-07-30 | 1990-02-09 | Sony Corp | Microphone equipment |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009506658A (en) * | 2005-08-23 | 2009-02-12 | アナログ デバイシス， インコーポレイテッド | Microphone system and method for reducing noise |
| JP2009100425A (en) * | 2007-10-19 | 2009-05-07 | Yamaha Corp | Condenser microphone device |
| WO2010140312A1 (en) * | 2009-06-04 | 2010-12-09 | パナソニック株式会社 | Microphone |
| JP2011087123A (en) * | 2009-10-15 | 2011-04-28 | Hosiden Corp | Capacitor microphone |
| JP2012039211A (en) * | 2010-08-04 | 2012-02-23 | Audio Technica Corp | Microphone array |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2544012Y2 (en) | 1997-08-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |