CA2317631A1 - Sonic emitter with foam stator - Google Patents
Sonic emitter with foam stator Download PDFInfo
- Publication number
- CA2317631A1 CA2317631A1 CA002317631A CA2317631A CA2317631A1 CA 2317631 A1 CA2317631 A1 CA 2317631A1 CA 002317631 A CA002317631 A CA 002317631A CA 2317631 A CA2317631 A CA 2317631A CA 2317631 A1 CA2317631 A1 CA 2317631A1
- Authority
- CA
- Canada
- Prior art keywords
- forward face
- film
- foam member
- electrostatic
- variable voltage
- 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
- 239000006260 foam Substances 0.000 title claims abstract description 142
- 239000000203 mixture Substances 0.000 claims abstract description 39
- 230000008878 coupling Effects 0.000 claims description 16
- 238000010168 coupling process Methods 0.000 claims description 16
- 238000005859 coupling reaction Methods 0.000 claims description 16
- 230000005236 sound signal Effects 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 230000001902 propagating effect Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 230000004044 response Effects 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 2
- 239000000463 material Substances 0.000 description 19
- 239000012528 membrane Substances 0.000 description 9
- 210000004027 cell Anatomy 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 8
- 238000000576 coating method Methods 0.000 description 8
- 238000010276 construction Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 238000012856 packing Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000002985 plastic film Substances 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 229920002799 BoPET Polymers 0.000 description 3
- 239000005041 Mylar™ Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 238000004513 sizing Methods 0.000 description 3
- 239000011800 void material Substances 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 239000006261 foam material Substances 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 229920003223 poly(pyromellitimide-1,4-diphenyl ether) Polymers 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005686 electrostatic field Effects 0.000 description 1
- 210000000497 foam cell Anatomy 0.000 description 1
- 238000010097 foam moulding Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Circuit For Audible Band Transducer (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/004,090 US6304662B1 (en) | 1998-01-07 | 1998-01-07 | Sonic emitter with foam stator |
| US09/004,090 | 1998-01-07 | ||
| PCT/US1999/000314 WO1999035884A1 (en) | 1998-01-07 | 1999-01-07 | Sonic emitter with foam stator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2317631A1 true CA2317631A1 (en) | 1999-07-15 |
Family
ID=21709084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002317631A Abandoned CA2317631A1 (en) | 1998-01-07 | 1999-01-07 | Sonic emitter with foam stator |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US6304662B1 (enExample) |
| EP (1) | EP1077015A4 (enExample) |
| JP (1) | JP2002501359A (enExample) |
| KR (1) | KR100574711B1 (enExample) |
| CN (1) | CN1290468A (enExample) |
| AU (1) | AU762300B2 (enExample) |
| BR (1) | BR9906785A (enExample) |
| CA (1) | CA2317631A1 (enExample) |
| WO (1) | WO1999035884A1 (enExample) |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020076069A1 (en) * | 1998-01-07 | 2002-06-20 | American Technology Corporation | Sonic emitter with foam stator |
| US20050100181A1 (en) * | 1998-09-24 | 2005-05-12 | Particle Measuring Systems, Inc. | Parametric transducer having an emitter film |
| US6850623B1 (en) | 1999-10-29 | 2005-02-01 | American Technology Corporation | Parametric loudspeaker with improved phase characteristics |
| EP1123634A4 (en) * | 1998-09-24 | 2006-04-19 | American Tech Corp | PARAMETRIC LOUDSPEAKER WITH ELECTRIC ACOUSTIC MEMBRANE |
| FI108204B (fi) * | 1999-11-25 | 2001-11-30 | Kari Johannes Kirjavainen | Kalvo energioiden muuntamiseksi |
| US6526149B1 (en) * | 2001-06-28 | 2003-02-25 | Earthworks, Inc. | System and method for reducing non linear electrical distortion in an electroacoustic device |
| WO2005043771A1 (en) | 2003-10-23 | 2005-05-12 | American Technology Corporation | Method of adusting linear parameters of a parametric ultrasonic signal to reduce non-linearities in decoupled audio output waves and system including same |
| JP2005354473A (ja) * | 2004-06-11 | 2005-12-22 | Seiko Epson Corp | 超音波トランスデューサ及びこれを用いた超音波スピーカ |
| JP4069904B2 (ja) * | 2004-06-21 | 2008-04-02 | セイコーエプソン株式会社 | 超音波スピーカ、及びプロジェクタ |
| JP4103877B2 (ja) * | 2004-09-22 | 2008-06-18 | セイコーエプソン株式会社 | 静電型超音波トランスデューサ及び超音波スピーカ |
| US7607512B2 (en) * | 2005-08-23 | 2009-10-27 | Ronald Paul Harwood | Speaker assembly for a structural pole and a method for mounting same |
| RU2440693C2 (ru) * | 2006-01-03 | 2012-01-20 | Транспарент Саунд Текнолоджи БИ.ВИ.,NL | Электростатические акустические системы и способы |
| JP4899590B2 (ja) * | 2006-03-31 | 2012-03-21 | ヤマハ株式会社 | 静電型スピーカ |
| JP4697007B2 (ja) * | 2006-03-31 | 2011-06-08 | ヤマハ株式会社 | 静電型スピーカ |
| US8670581B2 (en) | 2006-04-14 | 2014-03-11 | Murray R. Harman | Electrostatic loudspeaker capable of dispersing sound both horizontally and vertically |
| US8184832B2 (en) * | 2006-04-14 | 2012-05-22 | Harman Murray R | Electrostatic loudspeaker capable of dispersing sound both horizontally and vertically |
| DE102007007957A1 (de) * | 2007-02-17 | 2008-08-21 | Lyttron Technology Gmbh | Lautsprecher aufgebaut aus Folien |
| US8275137B1 (en) | 2007-03-22 | 2012-09-25 | Parametric Sound Corporation | Audio distortion correction for a parametric reproduction system |
| JP2009272978A (ja) * | 2008-05-09 | 2009-11-19 | Nippon Hoso Kyokai <Nhk> | フレキシブルスピーカ |
| JP2009278479A (ja) * | 2008-05-16 | 2009-11-26 | Foster Electric Co Ltd | 静電型スピーカ |
| PL2579928T3 (pl) | 2010-06-11 | 2018-03-30 | Sanofi-Aventis Deutschland Gmbh | Zespół napędowy, komponent napędu i urządzenie do podawania leku |
| JP5825737B2 (ja) | 2010-06-14 | 2015-12-02 | パラメトリック サウンド コーポレーション | パラメトリック信号処理・放射システムおよびその関連方法 |
| US9036831B2 (en) | 2012-01-10 | 2015-05-19 | Turtle Beach Corporation | Amplification system, carrier tracking systems and related methods for use in parametric sound systems |
| US8958580B2 (en) | 2012-04-18 | 2015-02-17 | Turtle Beach Corporation | Parametric transducers and related methods |
| US8934650B1 (en) | 2012-07-03 | 2015-01-13 | Turtle Beach Corporation | Low profile parametric transducers and related methods |
| US8718297B1 (en) * | 2013-02-20 | 2014-05-06 | Parametric Sound Corporation | Parametric transducer and related methods |
| US8903104B2 (en) | 2013-04-16 | 2014-12-02 | Turtle Beach Corporation | Video gaming system with ultrasonic speakers |
| US9332344B2 (en) | 2013-06-13 | 2016-05-03 | Turtle Beach Corporation | Self-bias emitter circuit |
| US8988911B2 (en) | 2013-06-13 | 2015-03-24 | Turtle Beach Corporation | Self-bias emitter circuit |
| JP7410935B2 (ja) | 2018-05-24 | 2024-01-10 | ザ リサーチ ファウンデーション フォー ザ ステイト ユニバーシティー オブ ニューヨーク | 容量性センサ |
Family Cites Families (48)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL29692C (enExample) | 1929-04-30 | |||
| US1809754A (en) | 1929-05-13 | 1931-06-09 | Joseph J Steedle | Electrostatic reproducer |
| BE373730A (enExample) | 1929-09-27 | |||
| US2855467A (en) | 1953-12-11 | 1958-10-07 | Curry Electronics Inc | Loud speakers |
| US3008013A (en) | 1954-07-20 | 1961-11-07 | Ferranti Ltd | Electrostatic loudspeakers |
| BE540809A (enExample) | 1954-08-26 | |||
| US2935575A (en) | 1957-08-20 | 1960-05-03 | Philco Corp | Loud-speakers |
| US2934612A (en) * | 1957-10-24 | 1960-04-26 | Walter O Stanton | Electrostatic speaker |
| US2975243A (en) | 1958-01-17 | 1961-03-14 | Philco Corp | Transducers |
| NL281549A (enExample) | 1961-09-25 | |||
| US3345469A (en) | 1964-03-02 | 1967-10-03 | Rod Dev Corp | Electrostatic loudspeakers |
| US3389226A (en) | 1964-12-29 | 1968-06-18 | Gen Electric | Electrostatic loudspeaker |
| US3373251A (en) | 1965-02-23 | 1968-03-12 | Shure Bros | Electrostatic transducer |
| US3544733A (en) | 1967-06-15 | 1970-12-01 | Minnesota Mining & Mfg | Electrostatic acoustic transducer |
| US3654403A (en) | 1969-05-01 | 1972-04-04 | Chester C Pond | Electrostatic speaker |
| US3821490A (en) | 1970-10-09 | 1974-06-28 | Chester C Pond | Electroacoustic transducer especially electrostatic speakers and systems |
| US3674946A (en) | 1970-12-23 | 1972-07-04 | Magnepan Inc | Electromagnetic transducer |
| IT958810B (it) | 1971-05-07 | 1973-10-30 | Rank Organisation Ltd | Trasduttore elettroacustico parti colarmente per altoparlanti aurico lari e microfoni |
| US3787642A (en) | 1971-09-27 | 1974-01-22 | Gte Automatic Electric Lab Inc | Electrostatic transducer having resilient electrode |
| GB1428405A (en) | 1972-05-26 | 1976-03-17 | Rank Organisation Ltd | Electro-acoustic transducers |
| JPS5223333Y2 (enExample) | 1972-06-17 | 1977-05-27 | ||
| US3892927A (en) | 1973-09-04 | 1975-07-01 | Theodore Lindenberg | Full range electrostatic loudspeaker for audio frequencies |
| US3919499A (en) | 1974-01-11 | 1975-11-11 | Magnepan Inc | Planar speaker |
| GB1471297A (en) | 1974-12-23 | 1977-04-21 | Foster Electric Co Ltd | Electrodynamic type electroacoustic transducer |
| US4160882A (en) | 1978-03-13 | 1979-07-10 | Driver Michael L | Double diaphragm electrostatic transducer each diaphragm comprising two plastic sheets having different charge carrying characteristics |
| US4210786A (en) | 1979-01-24 | 1980-07-01 | Magnepan, Incorporated | Magnetic field structure for planar speaker |
| US4289936A (en) | 1980-04-07 | 1981-09-15 | Civitello John P | Electrostatic transducers |
| NL8004351A (nl) | 1980-07-30 | 1982-03-01 | Philips Nv | Elektreetomzetter. |
| US4385210A (en) | 1980-09-19 | 1983-05-24 | Electro-Magnetic Corporation | Electro-acoustic planar transducer |
| US4434327A (en) * | 1981-11-20 | 1984-02-28 | Bell Telephone Laboratories, Incorporated | Electret transducer with variable actual air gap |
| US4429193A (en) * | 1981-11-20 | 1984-01-31 | Bell Telephone Laboratories, Incorporated | Electret transducer with variable effective air gap |
| US4480155A (en) | 1982-03-01 | 1984-10-30 | Magnepan, Inc. | Diaphragm type magnetic transducer |
| US4471172A (en) | 1982-03-01 | 1984-09-11 | Magnepan, Inc. | Planar diaphragm transducer with improved magnetic circuit |
| US4550228A (en) | 1983-02-22 | 1985-10-29 | Apogee Acoustics, Inc. | Ribbon speaker system |
| JPS60190100A (ja) | 1984-03-09 | 1985-09-27 | Murata Mfg Co Ltd | 圧電スピ−カ |
| US5054081B1 (en) | 1985-04-02 | 1994-06-28 | Roger A West | Electrostatic transducer with improved bass response utilizing distributed bass resonance energy |
| CA1277415C (en) * | 1986-04-11 | 1990-12-04 | Lorne A. Whitehead | Elastomer membrane enhanced electrostatic transducer |
| US4803733A (en) | 1986-12-16 | 1989-02-07 | Carver R W | Loudspeaker diaphragm mounting system and method |
| DE3731196A1 (de) | 1987-09-17 | 1989-03-30 | Messerschmitt Boelkow Blohm | Frequenzselektiver schallwandler |
| US4939784A (en) | 1988-09-19 | 1990-07-03 | Bruney Paul F | Loudspeaker structure |
| US5430805A (en) | 1990-12-27 | 1995-07-04 | Chain Reactions, Inc. | Planar electromagnetic transducer |
| DE4140961A1 (de) * | 1991-12-12 | 1993-06-17 | Bosch Gmbh Robert | Elektrohydraulisches aggregat, insbesondere elektrokraftstoffpumpe fuer kraftfahrzeuge |
| US5388163A (en) * | 1991-12-23 | 1995-02-07 | At&T Corp. | Electret transducer array and fabrication technique |
| US5357578A (en) * | 1992-11-24 | 1994-10-18 | Canon Kabushiki Kaisha | Acoustic output device, and electronic apparatus using the acoustic output device |
| US5392358A (en) | 1993-04-05 | 1995-02-21 | Driver; Michael L. | Electrolytic loudspeaker assembly |
| WO1998035529A2 (en) * | 1997-02-07 | 1998-08-13 | Sri International | Elastomeric dielectric polymer film sonic actuator |
| US6011855A (en) * | 1997-03-17 | 2000-01-04 | American Technology Corporation | Piezoelectric film sonic emitter |
| US5859915A (en) * | 1997-04-30 | 1999-01-12 | American Technology Corporation | Lighted enhanced bullhorn |
-
1998
- 1998-01-07 US US09/004,090 patent/US6304662B1/en not_active Expired - Lifetime
-
1999
- 1999-01-07 AU AU21070/99A patent/AU762300B2/en not_active Ceased
- 1999-01-07 JP JP2000528132A patent/JP2002501359A/ja active Pending
- 1999-01-07 KR KR1020007007494A patent/KR100574711B1/ko not_active Expired - Fee Related
- 1999-01-07 CA CA002317631A patent/CA2317631A1/en not_active Abandoned
- 1999-01-07 BR BR9906785-4A patent/BR9906785A/pt not_active Application Discontinuation
- 1999-01-07 CN CN99802767A patent/CN1290468A/zh active Pending
- 1999-01-07 WO PCT/US1999/000314 patent/WO1999035884A1/en not_active Ceased
- 1999-01-07 EP EP99901351A patent/EP1077015A4/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| EP1077015A1 (en) | 2001-02-21 |
| CN1290468A (zh) | 2001-04-04 |
| KR20010033915A (ko) | 2001-04-25 |
| KR100574711B1 (ko) | 2006-04-28 |
| JP2002501359A (ja) | 2002-01-15 |
| BR9906785A (pt) | 2000-10-17 |
| AU762300B2 (en) | 2003-06-19 |
| US6304662B1 (en) | 2001-10-16 |
| EP1077015A4 (en) | 2006-04-19 |
| AU2107099A (en) | 1999-07-26 |
| WO1999035884A1 (en) | 1999-07-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Dead |