DE69535303D1 - Lautsprecher und Antriebsvorrichtung dafür - Google Patents
Lautsprecher und Antriebsvorrichtung dafürInfo
- Publication number
- DE69535303D1 DE69535303D1 DE69535303T DE69535303T DE69535303D1 DE 69535303 D1 DE69535303 D1 DE 69535303D1 DE 69535303 T DE69535303 T DE 69535303T DE 69535303 T DE69535303 T DE 69535303T DE 69535303 D1 DE69535303 D1 DE 69535303D1
- Authority
- DE
- Germany
- Prior art keywords
- speaker
- drive device
- drive
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/002—Damping circuit arrangements for transducers, e.g. motional feedback circuits
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
- Circuit For Audible Band Transducer (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6212549A JPH0879896A (ja) | 1994-09-06 | 1994-09-06 | スピーカ |
Publications (1)
Publication Number | Publication Date |
---|---|
DE69535303D1 true DE69535303D1 (de) | 2007-01-04 |
Family
ID=16624532
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69535303T Expired - Lifetime DE69535303D1 (de) | 1994-09-06 | 1995-09-05 | Lautsprecher und Antriebsvorrichtung dafür |
Country Status (4)
Country | Link |
---|---|
US (1) | US6384550B1 (de) |
EP (1) | EP0701386B1 (de) |
JP (1) | JPH0879896A (de) |
DE (1) | DE69535303D1 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001016681A (ja) * | 1999-06-29 | 2001-01-19 | Nakamichi Corp | 駆動機構付きスピーカ |
US6555979B2 (en) * | 2000-12-06 | 2003-04-29 | L. Taylor Arnold | System and method for controlling electrical current flow as a function of detected sound volume |
JP2002271879A (ja) * | 2001-03-13 | 2002-09-20 | Citizen Electronics Co Ltd | 多機能型音響装置 |
GB0108258D0 (en) * | 2001-04-03 | 2001-05-23 | Univ Birmingham | Actuator assembly |
US20050079345A1 (en) * | 2002-09-17 | 2005-04-14 | Thomsen Susanne Dahl | Polyolefin fibres and their use in the preparation of nonwovens with high bulk and resilience |
JP2007067999A (ja) * | 2005-09-01 | 2007-03-15 | Nippon Densan Corp | 振動音響発生装置 |
US20080232636A1 (en) * | 2007-03-23 | 2008-09-25 | Sonic Dynamics, Llc | Sonic piston |
US8295537B2 (en) * | 2010-03-31 | 2012-10-23 | Bose Corporation | Loudspeaker moment and torque balancing |
DE102014017570B4 (de) * | 2014-11-27 | 2020-07-23 | Audi Ag | Verfahren zum Betreiben einer Antriebseinrichtung sowie entsprechende Antriebseinrichtung |
MY201278A (en) | 2015-09-14 | 2024-02-14 | Wing Acoustics Ltd | Improvements in or relating to audio transducers |
JP6693023B2 (ja) | 2015-09-16 | 2020-05-13 | エスゼット ディージェイアイ テクノロジー カンパニー リミテッドSz Dji Technology Co.,Ltd | 音を生成するための方法、及びシステム |
US11166100B2 (en) | 2017-03-15 | 2021-11-02 | Wing Acoustics Limited | Bass optimization for audio systems and devices |
US11137803B2 (en) | 2017-03-22 | 2021-10-05 | Wing Acoustics Limited | Slim electronic devices and audio transducers incorporated therein |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4287389A (en) * | 1978-10-30 | 1981-09-01 | Gamble George W | High-fidelity speaker system |
US4246447A (en) * | 1979-05-29 | 1981-01-20 | Iec Electronics Corporation | Piezoelectric transducer drive |
EP0114910B1 (de) * | 1983-01-28 | 1988-11-09 | Intersonics Incorporated | Lautsprechersystem für sehr tiefe Frequenzen |
JPS59156169A (ja) | 1983-02-23 | 1984-09-05 | Canon Inc | 振動波モーター用制御回路 |
US4794294A (en) * | 1986-06-12 | 1988-12-27 | Canon Kabushiki Kaisha | Vibration wave motor |
GB2196815B (en) * | 1986-09-25 | 1989-01-11 | David Robin Birt | Motional feedback system for loudspeakers |
US5061882A (en) * | 1987-02-09 | 1991-10-29 | Nikon Corporation | Power supply frequency regulating device for vibration wave driven motor |
US5710491A (en) * | 1988-10-19 | 1998-01-20 | Nikon Corporation | Driving control device for vibration wave motor |
JPH02121497A (ja) * | 1988-10-31 | 1990-05-09 | Victor Co Of Japan Ltd | デジタルスピーカユニツト及びその駆動装置 |
DE3908402A1 (de) * | 1989-03-15 | 1990-09-20 | Jack Janeke | Tiefbasslautsprecher |
JP2890484B2 (ja) * | 1989-06-15 | 1999-05-17 | 株式会社ニコン | 超音波モータの駆動装置 |
JP2774660B2 (ja) | 1990-04-03 | 1998-07-09 | 住友電気工業株式会社 | 巻付グリップ位置決め工具 |
US5418336A (en) | 1990-10-17 | 1995-05-23 | Canon Research Centre Europe Ltd. | Sound output device |
US5191618A (en) * | 1990-12-20 | 1993-03-02 | Hisey Bradner L | Rotary low-frequency sound reproducing apparatus and method |
US5197104A (en) * | 1991-04-18 | 1993-03-23 | Josef Lakatos | Electrodynamic loudspeaker with electromagnetic impedance sensor coil |
US5140641A (en) * | 1991-04-22 | 1992-08-18 | Intersonics Incorporated | Servo valve loudspeaker |
JP3169421B2 (ja) * | 1992-03-13 | 2001-05-28 | キヤノン株式会社 | 振動波モータの駆動制御装置 |
US5245296A (en) * | 1992-07-10 | 1993-09-14 | Miller Francis A | Audio amplifier circuit and method of operation |
GB2269960B (en) | 1992-08-20 | 1996-03-27 | Canon Audio Ltd | Sound output system |
US5461273A (en) * | 1992-12-16 | 1995-10-24 | Matsushita Electric Industrial Co., Ltd. | Method and an apparatus for controlling a moving velocity of an ultrasonic motor |
US5493615A (en) * | 1993-05-26 | 1996-02-20 | Noise Cancellation Technologies | Piezoelectric driven flow modulator |
-
1994
- 1994-09-06 JP JP6212549A patent/JPH0879896A/ja not_active Withdrawn
-
1995
- 1995-09-05 EP EP95306189A patent/EP0701386B1/de not_active Expired - Lifetime
- 1995-09-05 DE DE69535303T patent/DE69535303D1/de not_active Expired - Lifetime
- 1995-09-06 US US08/524,407 patent/US6384550B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0701386B1 (de) | 2006-11-22 |
US6384550B1 (en) | 2002-05-07 |
JPH0879896A (ja) | 1996-03-22 |
EP0701386A2 (de) | 1996-03-13 |
EP0701386A3 (de) | 1998-01-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de |