CN2747592Y - 光学变换器以及使用该光学变换器的乐器 - Google Patents
光学变换器以及使用该光学变换器的乐器 Download PDFInfo
- Publication number
- CN2747592Y CN2747592Y CNU2004201048090U CN200420104809U CN2747592Y CN 2747592 Y CN2747592 Y CN 2747592Y CN U2004201048090 U CNU2004201048090 U CN U2004201048090U CN 200420104809 U CN200420104809 U CN 200420104809U CN 2747592 Y CN2747592 Y CN 2747592Y
- Authority
- CN
- China
- Prior art keywords
- light
- light emission
- optical fiber
- optical
- detecting unit
- 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.)
- Expired - Lifetime
Links
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Images
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10F—AUTOMATIC MUSICAL INSTRUMENTS
- G10F1/00—Automatic musical instruments
- G10F1/02—Pianofortes with keyboard
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Photo Coupler, Interrupter, Optical-To-Optical Conversion Devices (AREA)
- Optical Couplings Of Light Guides (AREA)
- Length Measuring Devices By Optical Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP325731/03 | 2003-09-18 | ||
| JP2003325731A JP4284650B2 (ja) | 2003-09-18 | 2003-09-18 | 光学検出装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2747592Y true CN2747592Y (zh) | 2005-12-21 |
Family
ID=34308710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004201048090U Expired - Lifetime CN2747592Y (zh) | 2003-09-18 | 2004-09-20 | 光学变换器以及使用该光学变换器的乐器 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US7186967B2 (cg-RX-API-DMAC7.html) |
| JP (1) | JP4284650B2 (cg-RX-API-DMAC7.html) |
| CN (1) | CN2747592Y (cg-RX-API-DMAC7.html) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10348715B4 (de) | 2003-10-16 | 2006-05-04 | Infineon Technologies Ag | Verfahren zum Herstellen eines Flachleiterrahmens mit verbesserter Haftung zwischen diesem und Kunststoff sowie Flachleiterrahmen |
| US7825312B2 (en) * | 2008-02-27 | 2010-11-02 | Steinway Musical Instruments, Inc. | Pianos playable in acoustic and silent modes |
| US20090282962A1 (en) * | 2008-05-13 | 2009-11-19 | Steinway Musical Instruments, Inc. | Piano With Key Movement Detection System |
| US8541673B2 (en) | 2009-04-24 | 2013-09-24 | Steinway Musical Instruments, Inc. | Hammer stoppers for pianos having acoustic and silent modes |
| US8148620B2 (en) * | 2009-04-24 | 2012-04-03 | Steinway Musical Instruments, Inc. | Hammer stoppers and use thereof in pianos playable in acoustic and silent modes |
| US7977566B2 (en) | 2009-09-17 | 2011-07-12 | Waleed Sami Haddad | Optical instrument pickup |
| US8519252B2 (en) | 2011-03-16 | 2013-08-27 | Waleed Sami Haddad | Optoelectronic pickup for musical instruments |
| US9047851B2 (en) | 2012-09-19 | 2015-06-02 | Light4Sound | Optoelectronic pickup for musical instruments |
| JP7497369B2 (ja) * | 2020-10-15 | 2024-06-10 | 株式会社デンソーテン | 車載装置 |
| CN121702297B (zh) * | 2026-02-09 | 2026-04-21 | 长飞光纤光缆股份有限公司 | 一种高重复性的空芯光纤翘曲测试系统 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3937952A (en) * | 1972-09-22 | 1976-02-10 | National Research Development Corporation | Keyboard and switches for keyboards |
| US4480183A (en) * | 1982-03-16 | 1984-10-30 | Burroughs Corporation | Multi-plane optical membrane switch apparatus |
| JP3552374B2 (ja) | 1995-11-30 | 2004-08-11 | ヤマハ株式会社 | 信号出力装置および光センサ |
| JP3496374B2 (ja) | 1995-11-30 | 2004-02-09 | ヤマハ株式会社 | 光ファイバセンサ用コネクタ |
| JP3922085B2 (ja) * | 2002-04-25 | 2007-05-30 | ヤマハ株式会社 | 光ファイバ束の保持構造 |
| JP3979168B2 (ja) * | 2002-04-26 | 2007-09-19 | ヤマハ株式会社 | 鍵盤楽器の押鍵検出装置における発光部構造 |
-
2003
- 2003-09-18 JP JP2003325731A patent/JP4284650B2/ja not_active Expired - Fee Related
-
2004
- 2004-09-20 US US10/943,914 patent/US7186967B2/en not_active Expired - Lifetime
- 2004-09-20 CN CNU2004201048090U patent/CN2747592Y/zh not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005093755A (ja) | 2005-04-07 |
| JP4284650B2 (ja) | 2009-06-24 |
| US20050061959A1 (en) | 2005-03-24 |
| US7186967B2 (en) | 2007-03-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140920 Granted publication date: 20051221 |