DE2150194C3 - Elektrostatischer Lautsprecher - Google Patents
Elektrostatischer LautsprecherInfo
- Publication number
- DE2150194C3 DE2150194C3 DE2150194A DE2150194A DE2150194C3 DE 2150194 C3 DE2150194 C3 DE 2150194C3 DE 2150194 A DE2150194 A DE 2150194A DE 2150194 A DE2150194 A DE 2150194A DE 2150194 C3 DE2150194 C3 DE 2150194C3
- Authority
- DE
- Germany
- Prior art keywords
- membrane
- plate
- loudspeaker
- loudspeaker according
- perforated
- 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
Links
- 239000012528 membrane Substances 0.000 claims description 110
- 125000006850 spacer group Chemical group 0.000 claims description 47
- 239000006260 foam Substances 0.000 claims description 12
- 239000011148 porous material Substances 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000003989 dielectric material Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 description 21
- 239000011248 coating agent Substances 0.000 description 17
- 230000005855 radiation Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 229920005989 resin Polymers 0.000 description 7
- 239000011347 resin Substances 0.000 description 7
- 210000004027 cell Anatomy 0.000 description 5
- 238000010276 construction Methods 0.000 description 5
- 238000013016 damping Methods 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229920005830 Polyurethane Foam Polymers 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000011496 polyurethane foam Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 210000002421 cell wall Anatomy 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000006261 foam material Substances 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 235000012773 waffles Nutrition 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229920001342 Bakelite® Polymers 0.000 description 1
- 229920002799 BoPET Polymers 0.000 description 1
- 239000005041 Mylar™ Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000004637 bakelite Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 210000003850 cellular structure Anatomy 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000012260 resinous material Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 230000037303 wrinkles Effects 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
- H04R19/00—Electrostatic transducers
- H04R19/02—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00079488A US3821490A (en) | 1970-10-09 | 1970-10-09 | Electroacoustic transducer especially electrostatic speakers and systems |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2150194A1 DE2150194A1 (de) | 1972-08-03 |
| DE2150194B2 DE2150194B2 (de) | 1981-01-15 |
| DE2150194C3 true DE2150194C3 (de) | 1981-11-19 |
Family
ID=22150879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2150194A Expired DE2150194C3 (de) | 1970-10-09 | 1971-10-08 | Elektrostatischer Lautsprecher |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3821490A (enrdf_load_stackoverflow) |
| JP (2) | JPS5542560B1 (enrdf_load_stackoverflow) |
| DE (1) | DE2150194C3 (enrdf_load_stackoverflow) |
| GB (1) | GB1358057A (enrdf_load_stackoverflow) |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE31228E (en) * | 1967-12-04 | 1983-05-03 | Bose Corporation | Loudspeaker system |
| NL7512512A (nl) * | 1975-10-27 | 1977-04-29 | Bernardus Gradus Peters | Werkwijze en inrichting voor het vervaardigen van een elektrostatische luidspreker. |
| SE398588B (sv) * | 1977-03-23 | 1977-12-27 | Ericsson Telefon Ab L M | Temperaturstabil elektretmikrofon |
| 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 |
| AT366862B (de) * | 1980-07-28 | 1982-05-10 | Akg Akustische Kino Geraete | Elektroakustischer wandler nach dem zweiwegprinzip |
| US6188772B1 (en) | 1998-01-07 | 2001-02-13 | American Technology Corporation | Electrostatic speaker with foam stator |
| US6304662B1 (en) | 1998-01-07 | 2001-10-16 | American Technology Corporation | Sonic emitter with foam stator |
| US20020076069A1 (en) * | 1998-01-07 | 2002-06-20 | American Technology Corporation | Sonic emitter with foam stator |
| US6175636B1 (en) | 1998-06-26 | 2001-01-16 | American Technology Corporation | Electrostatic speaker with moveable diaphragm edges |
| 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 |
| US20050195985A1 (en) * | 1999-10-29 | 2005-09-08 | American Technology Corporation | Focused parametric array |
| JP2005503685A (ja) * | 2001-01-22 | 2005-02-03 | アメリカン・テクノロジー・コーポレーション | 改良非平衡平面型磁気スピーカー |
| EP1632104A2 (en) * | 2003-06-09 | 2006-03-08 | American Technology Corporation | System and method for delivering audio-visual content along a customer waiting line |
| 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 |
| DE102006045385B4 (de) * | 2006-03-01 | 2020-09-24 | Volkswagen Ag | Lautsprecheranordnung in einem Kraftfahrzeug sowie ein Verfahren zur Ansteuerung des mindestens einen Lautsprechers |
| US8275137B1 (en) | 2007-03-22 | 2012-09-25 | Parametric Sound Corporation | Audio distortion correction for a parametric reproduction system |
| US8578599B2 (en) * | 2010-03-22 | 2013-11-12 | Rogers Corporation | Method of making a supported foam circuit laminate |
| US8391514B2 (en) | 2010-06-14 | 2013-03-05 | Parametric Sound Corporation | Parametric transducer systems and related methods |
| WO2013106596A1 (en) | 2012-01-10 | 2013-07-18 | Parametric Sound Corporation | Amplification systems, 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 |
| US8903104B2 (en) | 2013-04-16 | 2014-12-02 | Turtle Beach Corporation | Video gaming system with ultrasonic speakers |
| US8988911B2 (en) | 2013-06-13 | 2015-03-24 | Turtle Beach Corporation | Self-bias emitter circuit |
| US9332344B2 (en) | 2013-06-13 | 2016-05-03 | Turtle Beach Corporation | Self-bias emitter circuit |
| CN109855967B (zh) * | 2019-02-27 | 2021-10-26 | 太原理工大学 | 一种破碎煤岩体压实-声发射-电阻率实验装置及方法 |
| CN117939337B (zh) * | 2024-01-16 | 2024-08-27 | 深圳市十度数码科技有限公司 | 一种可减弱静电吸附作用的音响 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS455746Y1 (enrdf_load_stackoverflow) * | 1965-12-28 | 1970-03-19 | ||
| GB1262505A (en) * | 1968-04-29 | 1972-02-02 | Lloyd Joseph Bobb | Speaker system and electrostatic speaker |
-
1970
- 1970-10-09 US US00079488A patent/US3821490A/en not_active Expired - Lifetime
-
1971
- 1971-10-08 DE DE2150194A patent/DE2150194C3/de not_active Expired
- 1971-10-09 JP JP7914771A patent/JPS5542560B1/ja active Pending
- 1971-10-11 GB GB4727471A patent/GB1358057A/en not_active Expired
-
1979
- 1979-08-24 JP JP10806679A patent/JPS5558695A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2150194B2 (de) | 1981-01-15 |
| JPS57715B2 (enrdf_load_stackoverflow) | 1982-01-07 |
| JPS5542560B1 (enrdf_load_stackoverflow) | 1980-10-31 |
| DE2150194A1 (de) | 1972-08-03 |
| GB1358057A (en) | 1974-06-26 |
| US3821490A (en) | 1974-06-28 |
| JPS5558695A (en) | 1980-05-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |