CA1149928A - Haut-parleur electrostatique - Google Patents
Haut-parleur electrostatiqueInfo
- Publication number
- CA1149928A CA1149928A CA000340338A CA340338A CA1149928A CA 1149928 A CA1149928 A CA 1149928A CA 000340338 A CA000340338 A CA 000340338A CA 340338 A CA340338 A CA 340338A CA 1149928 A CA1149928 A CA 1149928A
- Authority
- CA
- Canada
- Prior art keywords
- diaphragm
- thin metal
- flexible sheets
- coated
- thickness
- 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
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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14683678A JPS5573200A (en) | 1978-11-28 | 1978-11-28 | Capacitor-type speaker |
JP146836/78 | 1978-11-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1149928A true CA1149928A (fr) | 1983-07-12 |
Family
ID=15416616
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000340338A Expired CA1149928A (fr) | 1978-11-28 | 1979-11-21 | 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) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1993001691A1 (fr) * | 1991-07-11 | 1993-01-21 | Driver Michael L | Ensemble haut-parleur electrolytique |
FR2683969B1 (fr) * | 1991-11-15 | 1997-06-20 | Thomson Csf | Membrane d'etancheite pour dispositif immerge, notamment pour dispositif acoustique sous-marin, et dispositif comprenant une telle membrane. |
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 |
Family Cites Families (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 |
GB838024A (en) * | 1956-10-11 | 1960-06-22 | Pye Ltd | Improvements in electrostatic loudspeakers |
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 |
CA1025994A (fr) * | 1975-07-08 | 1978-02-07 | 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
Also Published As
Publication number | Publication date |
---|---|
FR2443181B1 (fr) | 1986-05-09 |
JPS6117440B2 (fr) | 1986-05-07 |
DE2947973A1 (de) | 1980-06-04 |
GB2037537B (en) | 1983-05-05 |
FR2443181A1 (fr) | 1980-06-27 |
JPS5573200A (en) | 1980-06-02 |
GB2037537A (en) | 1980-07-09 |
NL7908511A (nl) | 1980-05-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US3942029A (en) | Electrostatic transducer | |
US4160882A (en) | Double diaphragm electrostatic transducer each diaphragm comprising two plastic sheets having different charge carrying characteristics | |
US3941946A (en) | Electrostatic transducer assembly | |
US3892927A (en) | Full range electrostatic loudspeaker for audio frequencies | |
US3736436A (en) | Electret pressure transducer | |
US4246448A (en) | Electromechanical transducer | |
US20100158285A1 (en) | Ultrasonic transducer for parametric array | |
CA1149928A (fr) | Haut-parleur electrostatique | |
CA1123090A (fr) | Transducteur electro-acoustique a membrane | |
JP4146927B2 (ja) | コンデンサマイクロフォン | |
WO2018121701A1 (fr) | Structure de haut-parleur électrostatique | |
JPS5881000A (ja) | エレクトレツトマイクロホンシ−ルド | |
US20020141606A1 (en) | Power supply assembly | |
US3833770A (en) | Electrostatic acoustic transducer | |
US3668336A (en) | Audio system including electrostatic loudspeaker | |
US3783202A (en) | Speaker system and electrostatic speaker | |
JP2015130636A (ja) | コンデンサヘッドホン | |
US5206914A (en) | Electrostatic acoustic transducer having extremely thin diaphragm substrate | |
GB2068680A (en) | Arrangement for driving speaker through constant-current power amplifier | |
Clark | An acoustic lens as a directional microphone | |
JP2000050386A (ja) | 狭指向性コンデンサマイクロホン | |
EP0048902A2 (fr) | Procédé de fabrication d'un dispositif électret et transducteur électroacoustique du type condensateur comportant des électrets | |
Adams | Adaptive control of loudspeaker frequency response at low frequencies | |
JPH02161894A (ja) | 咽喉マイクロホン | |
JPS63104554A (ja) | 電話機ハンドセットにおける対フラッシュオーバー電圧防絡装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |