CA1149928A - Electrostatic loudspeaker - Google Patents
Electrostatic loudspeakerInfo
- 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 |
|---|---|---|---|
| JP146836/78 | 1978-11-28 | ||
| JP14683678A JPS5573200A (en) | 1978-11-28 | 1978-11-28 | Capacitor-type speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1149928A true CA1149928A (en) | 1983-07-12 |
Family
ID=15416616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000340338A Expired CA1149928A (en) | 1978-11-28 | 1979-11-21 | Electrostatic loudspeaker |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5573200A (enrdf_load_stackoverflow) |
| CA (1) | CA1149928A (enrdf_load_stackoverflow) |
| DE (1) | DE2947973A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2443181B1 (enrdf_load_stackoverflow) |
| GB (1) | GB2037537B (enrdf_load_stackoverflow) |
| NL (1) | NL7908511A (enrdf_load_stackoverflow) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993001691A1 (en) * | 1991-07-11 | 1993-01-21 | Driver Michael L | Electrolytic loudspeaker assembly |
| 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 |
| US3668336A (en) * | 1969-12-08 | 1972-06-06 | Dayton Wright Associates Ltd | 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 (en) * | 1975-07-08 | 1978-02-07 | Uniroyal Ltd. | Electromechanical transducer |
-
1978
- 1978-11-28 JP JP14683678A patent/JPS5573200A/ja active Granted
-
1979
- 1979-11-21 CA CA000340338A patent/CA1149928A/en 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 DE DE19792947973 patent/DE2947973A1/de not_active Withdrawn
- 1979-11-28 FR FR7929325A patent/FR2443181B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2947973A1 (de) | 1980-06-04 |
| FR2443181B1 (fr) | 1986-05-09 |
| JPS5573200A (en) | 1980-06-02 |
| JPS6117440B2 (enrdf_load_stackoverflow) | 1986-05-07 |
| GB2037537B (en) | 1983-05-05 |
| NL7908511A (nl) | 1980-05-30 |
| GB2037537A (en) | 1980-07-09 |
| FR2443181A1 (fr) | 1980-06-27 |
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 | |
| US8472651B2 (en) | Ultrasonic transducer for parametric array | |
| US4843275A (en) | Air buoyant piezoelectric polymeric film microphone | |
| EP0262145A1 (en) | Piezoelectric polymeric film balloon speaker | |
| MXPA97000089A (en) | Systems of acceleration sensitivity microphone in site reduc | |
| CA1149928A (en) | Electrostatic loudspeaker | |
| CA1123090A (en) | Membrane type electro-acoustic transducer | |
| JP4146927B2 (ja) | コンデンサマイクロフォン | |
| US3084229A (en) | Electrostatic earphone | |
| WO2018121701A1 (zh) | 一种静电扬声器结构 | |
| JPS5881000A (ja) | エレクトレツトマイクロホンシ−ルド | |
| US20020141606A1 (en) | Power supply assembly | |
| US3894333A (en) | Electromechanical transducer and method of making same | |
| US3833770A (en) | Electrostatic acoustic transducer | |
| US3668336A (en) | Audio system including electrostatic loudspeaker | |
| US5206914A (en) | Electrostatic acoustic transducer having extremely thin diaphragm substrate | |
| US3856995A (en) | Pressure gradient piezoelectric microphone | |
| US3783202A (en) | Speaker system and electrostatic speaker | |
| GB2068680A (en) | Arrangement for driving speaker through constant-current power amplifier | |
| JP2015130636A (ja) | コンデンサヘッドホン | |
| JP2000050386A (ja) | 狭指向性コンデンサマイクロホン | |
| CA1197605A (en) | Method for manufacturing electret device | |
| US3649775A (en) | Electro-static phonograph pickup |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |