NO821080L - Audio-forsterkningskrets for drift av bredbaands elektrostatisk hoeyttalere - Google Patents
Audio-forsterkningskrets for drift av bredbaands elektrostatisk hoeyttalereInfo
- Publication number
- NO821080L NO821080L NO821080A NO821080A NO821080L NO 821080 L NO821080 L NO 821080L NO 821080 A NO821080 A NO 821080A NO 821080 A NO821080 A NO 821080A NO 821080 L NO821080 L NO 821080L
- Authority
- NO
- Norway
- Prior art keywords
- transformer
- circuit
- voltage
- approximately
- frequencies
- Prior art date
Links
- 238000004804 winding Methods 0.000 claims description 39
- 239000003990 capacitor Substances 0.000 claims description 17
- 239000012528 membrane Substances 0.000 claims description 17
- 230000000694 effects Effects 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 230000003321 amplification Effects 0.000 claims description 5
- 230000001939 inductive effect Effects 0.000 claims description 5
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000005236 sound signal Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000006698 induction Effects 0.000 claims description 2
- 230000001737 promoting effect Effects 0.000 claims 2
- 230000009466 transformation Effects 0.000 claims 1
- 239000011162 core material Substances 0.000 description 12
- 230000008901 benefit Effects 0.000 description 5
- 230000001965 increasing effect Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005520 electrodynamics Effects 0.000 description 2
- 238000009499 grossing Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 229920006267 polyester film Polymers 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000012799 electrically-conductive coating Substances 0.000 description 1
- 230000005686 electrostatic field Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 230000026683 transduction Effects 0.000 description 1
- 238000010361 transduction Methods 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
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
- H04R3/06—Circuits for transducers, loudspeakers or microphones for correcting frequency response of electrostatic transducers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/176,668 US4323736A (en) | 1980-08-11 | 1980-08-11 | Step-up circuit for driving full-range-element electrostatic loudspeakers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO821080L true NO821080L (no) | 1982-03-31 |
Family
ID=22645337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO821080A NO821080L (no) | 1980-08-11 | 1982-03-31 | Audio-forsterkningskrets for drift av bredbaands elektrostatisk hoeyttalere |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4323736A (da) |
| EP (1) | EP0057215A4 (da) |
| JP (1) | JPS57501355A (da) |
| CA (1) | CA1169359A (da) |
| DK (1) | DK145582A (da) |
| GB (1) | GB2095074B (da) |
| NO (1) | NO821080L (da) |
| NZ (1) | NZ197950A (da) |
| WO (1) | WO1982000559A1 (da) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2701279B2 (ja) * | 1987-12-28 | 1998-01-21 | ヤマハ株式会社 | 音響装置 |
| JP2605321B2 (ja) * | 1987-12-28 | 1997-04-30 | ヤマハ株式会社 | 音響装置 |
| EP0435300A3 (en) * | 1989-12-28 | 1992-02-26 | Kabushiki Kaisha Seidenko | Sound equipment system |
| US20050259833A1 (en) * | 1993-02-23 | 2005-11-24 | Scarpino Frank A | Frequency responses, apparatus and methods for the harmonic enhancement of audio signals |
| NL193847C (nl) * | 1993-03-10 | 2000-12-04 | Amplimo B V | 'Step up'-transformator. |
| US5754413A (en) * | 1996-02-23 | 1998-05-19 | Lucent Technologies Inc. | Reduced voltage stress asymmetrical DC-to-DC converter using first and second transformers having differing turns ratios |
| JP2000050387A (ja) | 1998-07-16 | 2000-02-18 | Massachusetts Inst Of Technol <Mit> | パラメトリックオ―ディオシステム |
| US7391872B2 (en) * | 1999-04-27 | 2008-06-24 | Frank Joseph Pompei | Parametric audio system |
| AU6794200A (en) * | 1999-08-16 | 2001-10-23 | American Technology Corporation | System and method for video display with electrostatic emitters |
| US6424696B1 (en) * | 2000-11-10 | 2002-07-23 | Scimed Life Systems, Inc. | X-ray catheter using a step-up transformer |
| US6551278B1 (en) * | 2000-11-10 | 2003-04-22 | Scimed Life Systems, Inc. | Miniature x-ray catheter with retractable needles or suction means for positioning at a desired site |
| US6546080B1 (en) * | 2000-11-10 | 2003-04-08 | Scimed Life Systems, Inc. | Heat sink for miniature x-ray unit |
| US6554757B1 (en) | 2000-11-10 | 2003-04-29 | Scimed Life Systems, Inc. | Multi-source x-ray catheter |
| US6540720B1 (en) | 2000-11-10 | 2003-04-01 | Scimed Life Systems, Inc. | Miniature x-ray unit |
| US6540655B1 (en) * | 2000-11-10 | 2003-04-01 | Scimed Life Systems, Inc. | Miniature x-ray unit |
| US20040013274A1 (en) * | 2002-06-13 | 2004-01-22 | Bellan Leon M. | Circuit for providing a high-voltage audio signal to an electrostatic loudspeaker and method of operating the same |
| US7054456B2 (en) * | 2004-01-06 | 2006-05-30 | Final Sound International Pte. Ltd. | Invertedly driven electrostatic speaker |
| US8068615B2 (en) * | 2006-05-09 | 2011-11-29 | Bosch Security Systems, Inc. | Automatic transformer saturation compensation circuit |
| US8175294B2 (en) * | 2007-05-07 | 2012-05-08 | Arian M. Jansen | Electrostatic loudspeaker with single ended drive |
| TWI590674B (zh) * | 2012-11-02 | 2017-07-01 | Amazing Microelectronic Corp | Flat loudspeaker output device and its method of starting a flat loudspeaker |
| EP3200479A3 (en) * | 2016-01-28 | 2017-08-30 | Sonion Nederland B.V. | An assembly comprising an electrostatic sound generator and a transformer |
| US11621680B2 (en) * | 2020-11-09 | 2023-04-04 | City University Of Hong Kong | Power amplifier |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE370615A (da) * | 1929-05-27 | |||
| GB345342A (en) * | 1929-07-04 | 1931-03-23 | Vogt Hans | Improvements in or relating to sound-reproducing instruments |
| BE377907A (da) * | 1930-03-07 | |||
| GB1234767A (en) * | 1967-09-18 | 1971-06-09 | Decca Ltd | Improvements in or relating to electro-acoustic transducers |
-
1980
- 1980-08-11 US US06/176,668 patent/US4323736A/en not_active Expired - Lifetime
-
1981
- 1981-08-04 CA CA000383121A patent/CA1169359A/en not_active Expired
- 1981-08-06 NZ NZ197950A patent/NZ197950A/en unknown
- 1981-08-10 WO PCT/US1981/001069 patent/WO1982000559A1/en not_active Application Discontinuation
- 1981-08-10 EP EP19810902229 patent/EP0057215A4/en not_active Withdrawn
- 1981-08-10 GB GB8206543A patent/GB2095074B/en not_active Expired
- 1981-08-10 JP JP56502793A patent/JPS57501355A/ja active Pending
-
1982
- 1982-03-31 DK DK145582A patent/DK145582A/da not_active Application Discontinuation
- 1982-03-31 NO NO821080A patent/NO821080L/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB2095074B (en) | 1984-10-03 |
| EP0057215A4 (en) | 1983-02-09 |
| CA1169359A (en) | 1984-06-19 |
| US4323736A (en) | 1982-04-06 |
| DK145582A (da) | 1982-03-31 |
| NZ197950A (en) | 1984-05-31 |
| EP0057215A1 (en) | 1982-08-11 |
| WO1982000559A1 (en) | 1982-02-18 |
| JPS57501355A (da) | 1982-07-29 |
| GB2095074A (en) | 1982-09-22 |
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