FR2443181A1 - Haut-parleur electrostatique - Google Patents
Haut-parleur electrostatiqueInfo
- Publication number
- FR2443181A1 FR2443181A1 FR7929325A FR7929325A FR2443181A1 FR 2443181 A1 FR2443181 A1 FR 2443181A1 FR 7929325 A FR7929325 A FR 7929325A FR 7929325 A FR7929325 A FR 7929325A FR 2443181 A1 FR2443181 A1 FR 2443181A1
- Authority
- FR
- France
- Prior art keywords
- screen
- flexible sheet
- electrostatic speaker
- loudspeaker
- diaphragm
- 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.)
- Granted
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
- H04R19/02—Loudspeakers
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)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
a. Haut-parleur à condensateur comportant une unité formée d'une electrode de champ et d'un diaphragme, logée dans un volume hermétiquement fermé par un film constituant un écran. b. Haut-parleur caractérisé en ce que le film formant écran est une feuille souple munie d'une couche métallique mince sur toute la surface d'au moins une face de cette feuille souple
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14683678A JPS5573200A (en) | 1978-11-28 | 1978-11-28 | Capacitor-type speaker |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2443181A1 true FR2443181A1 (fr) | 1980-06-27 |
FR2443181B1 FR2443181B1 (fr) | 1986-05-09 |
Family
ID=15416616
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7929325A Expired FR2443181B1 (fr) | 1978-11-28 | 1979-11-28 | Haut-parleur electrostatique |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS5573200A (fr) |
CA (1) | CA1149928A (fr) |
DE (1) | DE2947973A1 (fr) |
FR (1) | FR2443181B1 (fr) |
GB (1) | GB2037537B (fr) |
NL (1) | NL7908511A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2683969A1 (fr) * | 1991-11-15 | 1993-05-21 | Thomson Csf | Membrane d'etancheite pour dispositif immerge, notamment pour dispositif acoustique sous-marin, et dispositif comprenant une telle membrane. |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1993001691A1 (fr) * | 1991-07-11 | 1993-01-21 | Driver Michael L | Ensemble haut-parleur electrolytique |
JP3281887B2 (ja) * | 1993-07-30 | 2002-05-13 | ソニー株式会社 | 静電容量型スピーカー用振動板 |
SE9401761D0 (sv) * | 1994-05-19 | 1994-05-19 | Lars Staahl | Högpresterande skal/membran |
DE102007014577A1 (de) * | 2007-03-23 | 2008-09-25 | Sennheiser Electronic Gmbh & Co. Kg | Kapazitiver Aufnahmewandler und Mikrofon |
CN102300144B (zh) * | 2010-06-22 | 2015-07-29 | 宏达国际电子股份有限公司 | 电容式电声转换系统及其电容式电声转换器 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB422299A (en) * | 1933-11-03 | 1935-01-09 | Gen Electric Co Ltd | Improvements in apparatus such as loud speakers for converting electrical oscillations into mechanical oscillations |
FR1196866A (fr) * | 1956-10-11 | 1959-11-26 | Pye Ltd | Haut-parleurs électrostatiques, comprenant généralement une feuille ou membrane maintenue tendue et disposée entre deux plaques perforées |
CA866963A (en) * | 1969-12-08 | 1971-03-23 | Dayton Wright Associates Limited | Audio system including electrostatic loudspeaker |
US3778562A (en) * | 1973-10-21 | 1973-12-11 | Dayton Wright Ass Ltd | Electrostatic loudspeaker having acoustic wavefront modifying device |
FR2317847A1 (fr) * | 1975-07-08 | 1977-02-04 | Uniroyal Ltd | Transducteur electromecanique |
-
1978
- 1978-11-28 JP JP14683678A patent/JPS5573200A/ja active Granted
-
1979
- 1979-11-21 CA CA000340338A patent/CA1149928A/fr not_active Expired
- 1979-11-22 NL NL7908511A patent/NL7908511A/nl not_active Application Discontinuation
- 1979-11-23 GB GB7940535A patent/GB2037537B/en not_active Expired
- 1979-11-28 FR FR7929325A patent/FR2443181B1/fr not_active Expired
- 1979-11-28 DE DE19792947973 patent/DE2947973A1/de not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB422299A (en) * | 1933-11-03 | 1935-01-09 | Gen Electric Co Ltd | Improvements in apparatus such as loud speakers for converting electrical oscillations into mechanical oscillations |
FR1196866A (fr) * | 1956-10-11 | 1959-11-26 | Pye Ltd | Haut-parleurs électrostatiques, comprenant généralement une feuille ou membrane maintenue tendue et disposée entre deux plaques perforées |
CA866963A (en) * | 1969-12-08 | 1971-03-23 | Dayton Wright Associates Limited | Audio system including electrostatic loudspeaker |
US3778562A (en) * | 1973-10-21 | 1973-12-11 | Dayton Wright Ass Ltd | Electrostatic loudspeaker having acoustic wavefront modifying device |
FR2317847A1 (fr) * | 1975-07-08 | 1977-02-04 | Uniroyal Ltd | Transducteur electromecanique |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2683969A1 (fr) * | 1991-11-15 | 1993-05-21 | Thomson Csf | Membrane d'etancheite pour dispositif immerge, notamment pour dispositif acoustique sous-marin, et dispositif comprenant une telle membrane. |
WO1993010644A1 (fr) * | 1991-11-15 | 1993-05-27 | Thomson-Csf | Membrane d'etancheite pour dispositif acoustique sous-marin |
Also Published As
Publication number | Publication date |
---|---|
GB2037537A (en) | 1980-07-09 |
NL7908511A (nl) | 1980-05-30 |
CA1149928A (fr) | 1983-07-12 |
FR2443181B1 (fr) | 1986-05-09 |
JPS6117440B2 (fr) | 1986-05-07 |
GB2037537B (en) | 1983-05-05 |
DE2947973A1 (de) | 1980-06-04 |
JPS5573200A (en) | 1980-06-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |