AU5902099A - Parametric loudspeaker with electro-acoustical diaphragm transducer - Google Patents
Parametric loudspeaker with electro-acoustical diaphragm transducerInfo
- Publication number
- AU5902099A AU5902099A AU59020/99A AU5902099A AU5902099A AU 5902099 A AU5902099 A AU 5902099A AU 59020/99 A AU59020/99 A AU 59020/99A AU 5902099 A AU5902099 A AU 5902099A AU 5902099 A AU5902099 A AU 5902099A
- Authority
- AU
- Australia
- Prior art keywords
- electro
- parametric loudspeaker
- diaphragm transducer
- acoustical diaphragm
- acoustical
- 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.)
- Abandoned
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
- H04R19/00—Electrostatic transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2217/00—Details of magnetostrictive, piezoelectric, or electrostrictive transducers covered by H04R15/00 or H04R17/00 but not provided for in any of their subgroups
- H04R2217/03—Parametric transducers where sound is generated or captured by the acoustic demodulation of amplitude modulated ultrasonic waves
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15944298A | 1998-09-24 | 1998-09-24 | |
US09159442 | 1998-09-24 | ||
PCT/US1999/019580 WO2000018182A1 (en) | 1998-09-24 | 1999-08-26 | Parametric loudspeaker with electro-acoustical diaphragm transducer |
Publications (1)
Publication Number | Publication Date |
---|---|
AU5902099A true AU5902099A (en) | 2000-04-10 |
Family
ID=22572623
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU59020/99A Abandoned AU5902099A (en) | 1998-09-24 | 1999-08-26 | Parametric loudspeaker with electro-acoustical diaphragm transducer |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP1123634A4 (en) |
JP (1) | JP2002526004A (en) |
CN (2) | CN1181704C (en) |
AU (1) | AU5902099A (en) |
BR (1) | BR9913954A (en) |
CA (1) | CA2345339A1 (en) |
HK (1) | HK1041763A1 (en) |
WO (1) | WO2000018182A1 (en) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050100181A1 (en) * | 1998-09-24 | 2005-05-12 | Particle Measuring Systems, Inc. | Parametric transducer having an emitter film |
JP4588321B2 (en) * | 2001-10-09 | 2010-12-01 | ポンペイ,フランク,ジョセフ | Ultrasonic transducers for parametric arrays |
CN1754405B (en) * | 2003-02-27 | 2010-04-14 | Nxp股份有限公司 | Generating device for generating a useful stream of a medium, in particular for generating sound |
JP4438444B2 (en) | 2004-02-19 | 2010-03-24 | セイコーエプソン株式会社 | Projector equipped with ultrasonic speaker and method for displaying sound reproduction range in projector |
JP2005354582A (en) * | 2004-06-14 | 2005-12-22 | Seiko Epson Corp | Ultrasonic transducer and ultrasonic speaker employing it |
JP4103877B2 (en) * | 2004-09-22 | 2008-06-18 | セイコーエプソン株式会社 | Electrostatic ultrasonic transducer and ultrasonic speaker |
KR100689876B1 (en) | 2004-12-20 | 2007-03-09 | 삼성전자주식회사 | Sound reproducing system by transfering and reproducing acoustc signal with ultrasonic |
JP2007028205A (en) | 2005-07-15 | 2007-02-01 | Sony Corp | Electroacoustic transducer and method of forming diaphragm thereof |
CN101558660B (en) * | 2006-05-22 | 2013-08-21 | 奥迪欧彼塞尔斯有限公司 | Apparatus and methods for generating pressure waves |
KR101000291B1 (en) * | 2007-12-20 | 2010-12-13 | 한국전자통신연구원 | Apparatus and method for transmitting sound through nonlinear media |
CN102082551A (en) * | 2010-12-16 | 2011-06-01 | 瑞声声学科技(深圳)有限公司 | Audio-frequency playback system of parametric acoustic array and modulating method thereof |
WO2012086124A1 (en) * | 2010-12-20 | 2012-06-28 | Necカシオモバイルコミュニケーションズ株式会社 | Oscillator device and electronic instrument |
CN103262576B (en) * | 2010-12-20 | 2016-12-28 | 日本电气株式会社 | Oscillator device and electronic installation |
CN103220606B (en) * | 2012-01-20 | 2015-10-21 | 中华大学 | Electroacoustic transducer and manufacture method thereof |
JP6315616B2 (en) * | 2012-06-12 | 2018-04-25 | ジョセフ ポンペイ フランク | Ultrasonic transducer |
US9002043B2 (en) | 2013-02-20 | 2015-04-07 | Turtle Beach Corporation | Parametric transducer and related methods |
US8718297B1 (en) * | 2013-02-20 | 2014-05-06 | Parametric Sound Corporation | Parametric transducer and related methods |
CN103152659A (en) * | 2013-02-26 | 2013-06-12 | 广东欧珀移动通信有限公司 | Piezoelectric ceramic speaker protective device and mobile terminal |
US9981139B2 (en) * | 2013-05-08 | 2018-05-29 | Dalhousie University | Acoustic transmitter and implantable receiver |
US9332344B2 (en) | 2013-06-13 | 2016-05-03 | Turtle Beach Corporation | Self-bias emitter circuit |
JP2016531246A (en) * | 2013-06-27 | 2016-10-06 | ミニパンプス, エルエルシー | Method for making corrugated flexible diaphragm |
JP6255994B2 (en) * | 2013-06-27 | 2018-01-10 | 株式会社リコー | Energy converter |
US9976713B2 (en) | 2013-07-05 | 2018-05-22 | Qualcomm Incorporated | Apparatus and method for providing a frequency response for audio signals |
RU2571588C2 (en) * | 2014-07-24 | 2015-12-20 | Владимир Анатольевич Ефремов | Electronic device for automatic translation of oral speech from one language to another |
JP6365164B2 (en) * | 2014-09-18 | 2018-08-01 | 株式会社村田製作所 | Vibration device and tactile presentation device |
USRE49437E1 (en) | 2014-09-30 | 2023-02-28 | Apple Inc. | Audio driver and power supply unit architecture |
WO2016054100A1 (en) | 2014-09-30 | 2016-04-07 | Nunntawi Dynamics Llc | Loudspeaker with reduced audio coloration caused by reflections from a surface |
CN104688192B (en) * | 2015-03-31 | 2017-06-06 | 西安交通大学 | Audio sound source based on difference frequency ultrasound is produced and air flue characteristic test method and system |
WO2017079435A1 (en) * | 2015-11-03 | 2017-05-11 | Nrg Systems, Inc. | Techniques for providing a broad-band ultrasonic transducer device using a plurality of narrow-band transducer arrays and a method of wildlife deterrence using same |
US10834497B2 (en) | 2016-09-23 | 2020-11-10 | Apple Inc. | User interface cooling using audio component |
TWI626854B (en) * | 2016-11-24 | 2018-06-11 | 財團法人金屬工業研究發展中心 | Electret thin film and manufacturing method thereof |
WO2019199978A1 (en) * | 2018-04-10 | 2019-10-17 | Nrg Systems, Inc. | Techniques for providing acoustic impedance matching for a broad-band ultrasonic transducer device and a method of wildlife deterrence using same |
CN109168108B (en) * | 2018-10-24 | 2021-03-02 | 维沃移动通信有限公司 | Amplitude adjusting method and device for electroacoustic device and mobile terminal |
CN112004176B (en) * | 2020-08-19 | 2021-05-07 | 厦门大学 | Underwater sound transducer for realizing underwater broadband collimation |
US20220183659A1 (en) * | 2020-12-15 | 2022-06-16 | Sonicedge Ltd. | Earphone Driver And Applications |
CN117560607B (en) * | 2023-12-29 | 2024-04-05 | 汉得利(常州)电子股份有限公司 | Ultrasonic loudspeaker |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4056742A (en) * | 1976-04-30 | 1977-11-01 | Tibbetts Industries, Inc. | Transducer having piezoelectric film arranged with alternating curvatures |
US4242541A (en) * | 1977-12-22 | 1980-12-30 | Olympus Optical Co., Ltd. | Composite type acoustic transducer |
US4276449A (en) * | 1978-06-01 | 1981-06-30 | Tadashi Sawafuji | Speaker or microphone having corrugated diaphragm with conductors thereon |
US4322877A (en) * | 1978-09-20 | 1982-04-06 | Minnesota Mining And Manufacturing Company | Method of making piezoelectric polymeric acoustic transducer |
WO1986001670A1 (en) * | 1984-08-28 | 1986-03-13 | Matsushita Electric Industrial Co., Ltd. | Directional speaker system |
JP2745147B2 (en) * | 1989-03-27 | 1998-04-28 | 三菱マテリアル 株式会社 | Piezoelectric transducer |
EP0599250B1 (en) * | 1992-11-24 | 2001-10-04 | Canon Kabushiki Kaisha | Acoustic output device, and electronic apparatus using said device |
US6304662B1 (en) * | 1998-01-07 | 2001-10-16 | American Technology Corporation | Sonic emitter with foam stator |
US5859915A (en) * | 1997-04-30 | 1999-01-12 | American Technology Corporation | Lighted enhanced bullhorn |
-
1999
- 1999-08-26 JP JP2000571709A patent/JP2002526004A/en active Pending
- 1999-08-26 WO PCT/US1999/019580 patent/WO2000018182A1/en not_active Application Discontinuation
- 1999-08-26 CN CNB998126802A patent/CN1181704C/en not_active Expired - Fee Related
- 1999-08-26 EP EP99946657A patent/EP1123634A4/en not_active Withdrawn
- 1999-08-26 CA CA002345339A patent/CA2345339A1/en not_active Abandoned
- 1999-08-26 CN CN 200410087797 patent/CN1620195A/en active Pending
- 1999-08-26 BR BR9913954-5A patent/BR9913954A/en not_active Application Discontinuation
- 1999-08-26 AU AU59020/99A patent/AU5902099A/en not_active Abandoned
-
2002
- 2002-05-04 HK HK02103388A patent/HK1041763A1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP1123634A1 (en) | 2001-08-16 |
BR9913954A (en) | 2002-02-13 |
CA2345339A1 (en) | 2000-03-30 |
JP2002526004A (en) | 2002-08-13 |
CN1620195A (en) | 2005-05-25 |
CN1181704C (en) | 2004-12-22 |
EP1123634A4 (en) | 2006-04-19 |
WO2000018182A1 (en) | 2000-03-30 |
CN1331901A (en) | 2002-01-16 |
HK1041763A1 (en) | 2002-07-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK6 | Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase |