JP4555741B2 - 振動板を共用するイヤホンマイク - Google Patents
振動板を共用するイヤホンマイク Download PDFInfo
- Publication number
- JP4555741B2 JP4555741B2 JP2005202475A JP2005202475A JP4555741B2 JP 4555741 B2 JP4555741 B2 JP 4555741B2 JP 2005202475 A JP2005202475 A JP 2005202475A JP 2005202475 A JP2005202475 A JP 2005202475A JP 4555741 B2 JP4555741 B2 JP 4555741B2
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- Japan
- Prior art keywords
- earphone
- diaphragm
- microphone
- signal
- earphone microphone
- 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.)
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- Piezo-Electric Transducers For Audible Bands (AREA)
- Headphones And Earphones (AREA)
- Telephone Set Structure (AREA)
Description
2 マイク
3 コード
4 コネクタ
5 ピエゾアクチュエータ
6 ピエゾセンサー
7 振動板
8 ピエゾセンサー
9 イヤホン出力信号
10 減算回路
Claims (2)
- 電気信号が印加されるピエゾアクチュエータと電気信号が取り出されるピエゾセンサーの双方が同一の振動板に機械的振動が伝えられるように同心円状に固着された振動板を共用するイヤホンマイク。
- 前記ピエゾセンサーの出力信号から前記ピエゾアクチュエータに印加される信号を減算してマイクロホン出力信号とする請求項1の振動板を共用するイヤホンマイク。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005202475A JP4555741B2 (ja) | 2005-07-12 | 2005-07-12 | 振動板を共用するイヤホンマイク |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005202475A JP4555741B2 (ja) | 2005-07-12 | 2005-07-12 | 振動板を共用するイヤホンマイク |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007027811A JP2007027811A (ja) | 2007-02-01 |
JP4555741B2 true JP4555741B2 (ja) | 2010-10-06 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2005202475A Active JP4555741B2 (ja) | 2005-07-12 | 2005-07-12 | 振動板を共用するイヤホンマイク |
Country Status (1)
Country | Link |
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JP (1) | JP4555741B2 (ja) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000115889A (ja) * | 1998-09-30 | 2000-04-21 | Aiphone Co Ltd | 電気音響変換器 |
JP2000175285A (ja) * | 1998-12-03 | 2000-06-23 | Hirofumi Kimura | 送話受話などの信号を、一体化したイヤホ―ンとスピ―カの構成方法装置 |
WO2002021881A1 (fr) * | 2000-09-04 | 2002-03-14 | Applied Electronics Laboratories, Inc. | Fenetre d'affichage presentant une fonction d'entree-sortie |
JP2003009272A (ja) * | 2001-06-22 | 2003-01-10 | Fukuoka Institute Of Technology | イヤホーンマイク |
-
2005
- 2005-07-12 JP JP2005202475A patent/JP4555741B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000115889A (ja) * | 1998-09-30 | 2000-04-21 | Aiphone Co Ltd | 電気音響変換器 |
JP2000175285A (ja) * | 1998-12-03 | 2000-06-23 | Hirofumi Kimura | 送話受話などの信号を、一体化したイヤホ―ンとスピ―カの構成方法装置 |
WO2002021881A1 (fr) * | 2000-09-04 | 2002-03-14 | Applied Electronics Laboratories, Inc. | Fenetre d'affichage presentant une fonction d'entree-sortie |
JP2003009272A (ja) * | 2001-06-22 | 2003-01-10 | Fukuoka Institute Of Technology | イヤホーンマイク |
Also Published As
Publication number | Publication date |
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JP2007027811A (ja) | 2007-02-01 |
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