CA1200888A - Electrostatical sound transducer - Google Patents
Electrostatical sound transducerInfo
- Publication number
- CA1200888A CA1200888A CA000414536A CA414536A CA1200888A CA 1200888 A CA1200888 A CA 1200888A CA 000414536 A CA000414536 A CA 000414536A CA 414536 A CA414536 A CA 414536A CA 1200888 A CA1200888 A CA 1200888A
- Authority
- CA
- Canada
- Prior art keywords
- electric resistance
- surface electric
- layer
- conductive
- acoustic converter
- 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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R19/00—Electrostatic transducers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
- Measuring Fluid Pressure (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 |
|---|---|---|---|
| BG55092 | 1982-01-22 | ||
| BG8255092A BG34753A1 (en) | 1982-01-22 | 1982-01-22 | Electrostatic acoustic converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1200888A true CA1200888A (en) | 1986-02-18 |
Family
ID=3910187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000414536A Expired CA1200888A (en) | 1982-01-22 | 1982-10-29 | Electrostatical sound transducer |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0084608B1 (de) |
| JP (1) | JPS58131900A (de) |
| AT (1) | ATE17910T1 (de) |
| BG (1) | BG34753A1 (de) |
| CA (1) | CA1200888A (de) |
| DE (1) | DE3269003D1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009127787A1 (en) * | 2008-04-18 | 2009-10-22 | Panphonics Oy | Directing sound field of actuator |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4533795A (en) * | 1983-07-07 | 1985-08-06 | American Telephone And Telegraph | Integrated electroacoustic transducer |
| NL193083C (nl) * | 1994-06-08 | 1998-09-08 | Cornelis Ruijtenberg | Werkwijze voor het vervaardigen van een transducent van een elektrostatische luidspreker. |
| FI116873B (fi) | 1996-02-26 | 2006-03-15 | Panphonics Oy | Akustinen elementti ja menetelmä äänen käsittelemiseksi |
| US6282298B1 (en) | 1996-09-03 | 2001-08-28 | New Transducers Limited | Acoustic device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB537931A (en) * | 1940-02-21 | 1941-07-14 | Donovan Ernest Lea Shorter | Improvements in electrostatic loudspeakers |
| GB838022A (en) * | 1956-10-11 | 1960-06-22 | Pye Ltd | Improvements in electrostatic loudspeakers |
| GB1228775A (de) | 1967-06-06 | 1971-04-21 | ||
| US3773976A (en) * | 1969-06-17 | 1973-11-20 | H Beveridge | Electrostatic loudspeaker and amplifier |
| US3668336A (en) * | 1969-12-08 | 1972-06-06 | Dayton Wright Associates Ltd | Audio system including electrostatic loudspeaker |
| US3892927A (en) | 1973-09-04 | 1975-07-01 | Theodore Lindenberg | Full range electrostatic loudspeaker for audio frequencies |
| GB1428913A (en) * | 1974-03-23 | 1976-03-24 | Electrostatic Research Coerpor | Electrostatic transducer and method and means for making same |
-
1982
- 1982-01-22 BG BG8255092A patent/BG34753A1/xx unknown
- 1982-10-26 DE DE8282109902T patent/DE3269003D1/de not_active Expired
- 1982-10-26 EP EP82109902A patent/EP0084608B1/de not_active Expired
- 1982-10-26 AT AT82109902T patent/ATE17910T1/de not_active IP Right Cessation
- 1982-10-29 CA CA000414536A patent/CA1200888A/en not_active Expired
- 1982-11-04 JP JP57192619A patent/JPS58131900A/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009127787A1 (en) * | 2008-04-18 | 2009-10-22 | Panphonics Oy | Directing sound field of actuator |
| US8565454B2 (en) | 2008-04-18 | 2013-10-22 | Panphonics Oy | Directing sound field of actuator |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3269003D1 (en) | 1986-03-20 |
| EP0084608B1 (de) | 1986-02-05 |
| BG34753A1 (en) | 1983-11-15 |
| ATE17910T1 (de) | 1986-02-15 |
| EP0084608A1 (de) | 1983-08-03 |
| JPS58131900A (ja) | 1983-08-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |