CA953017A - Electrostatic electroacoustic transducer - Google Patents
Electrostatic electroacoustic transducerInfo
- Publication number
- CA953017A CA953017A CA118,040A CA118040A CA953017A CA 953017 A CA953017 A CA 953017A CA 118040 A CA118040 A CA 118040A CA 953017 A CA953017 A CA 953017A
- Authority
- CA
- Canada
- Prior art keywords
- electroacoustic transducer
- electrostatic electroacoustic
- electrostatic
- transducer
- electroacoustic
- 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
- H04R19/01—Electrostatic transducers characterised by the use of electrets
- H04R19/013—Electrostatic transducers characterised by the use of electrets for loudspeakers
-
- 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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/24—Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively to two or more frequency ranges
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1970069759U JPS4912598Y1 (en) | 1970-07-14 | 1970-07-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA953017A true CA953017A (en) | 1974-08-13 |
Family
ID=13412034
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA118,040A Expired CA953017A (en) | 1970-07-14 | 1971-07-13 | Electrostatic electroacoustic transducer |
Country Status (6)
Country | Link |
---|---|
US (1) | US3821492A (en) |
JP (1) | JPS4912598Y1 (en) |
CA (1) | CA953017A (en) |
DE (1) | DE2134706B2 (en) |
FR (1) | FR2100906B1 (en) |
GB (1) | GB1352407A (en) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA989514A (en) * | 1972-09-08 | 1976-05-18 | Loh-Yi Chang | Electromechanical transducer and method of making same |
US3980838A (en) * | 1974-02-20 | 1976-09-14 | Tokyo Shibaura Electric Co., Ltd. | Plural electret electroacoustic transducer |
US3894243A (en) * | 1974-06-06 | 1975-07-08 | Us Navy | Polymeric transducer array |
US3970862A (en) * | 1974-06-25 | 1976-07-20 | The United States Of America As Represented By The Secretary Of The Navy | Polymeric sensor of vibration and dynamic pressure |
CA1025994A (en) * | 1975-07-08 | 1978-02-07 | Uniroyal Ltd. | Electromechanical transducer |
US4379951A (en) * | 1977-04-20 | 1983-04-12 | Gabr Saad Z M | Electro-acoustic transducer means |
NL7802688A (en) * | 1978-03-13 | 1979-09-17 | Philips Nv | DEVICE FOR CONVERSION FROM ACOUSTIC TO ELECTRICAL VIBRATIONS AND VERSIONS, EQUIPPED WITH AT LEAST ONE CONDENSER ELECTRICAL ELEMENT CONNECTED TO AN ELECTRONIC CIRCUIT. |
US4207442A (en) * | 1978-05-15 | 1980-06-10 | Freeman Miller L | Driver circuit for electrostatic transducers |
DE3003178C2 (en) * | 1980-01-30 | 1983-08-04 | Sennheiser Electronic Kg, 3002 Wedemark | Electroacoustic converter based on the electrostatic principle |
CH642504A5 (en) * | 1981-06-01 | 1984-04-13 | Asulab Sa | Hybrid electroacoustic transducer |
DK572483A (en) * | 1983-08-19 | 1985-02-20 | Lectret Sa | ACOUSTIC TRANSOR AND PROCEDURE FOR MANUFACTURING THIS |
US4872148A (en) * | 1984-03-08 | 1989-10-03 | Polaroid Corporation | Ultrasonic transducer for use in a corrosive/abrasive environment |
US5054081B1 (en) * | 1985-04-02 | 1994-06-28 | Roger A West | Electrostatic transducer with improved bass response utilizing distributed bass resonance energy |
CA1284837C (en) * | 1987-06-18 | 1991-06-11 | Highwood Audio Inc. | Audio transducer |
EP0775431B1 (en) * | 1993-11-14 | 2007-02-28 | Florian Meinhard König | Multi-channel headset with controlled sound-emission characteristics |
US20060082158A1 (en) * | 2004-10-15 | 2006-04-20 | Schrader Jeffrey L | Method and device for supplying power from acoustic energy |
TWM344699U (en) * | 2008-05-08 | 2008-11-11 | Jetvox Acoustic Corp | Dual band coaxial earphone |
US8855350B2 (en) * | 2009-04-28 | 2014-10-07 | Cochlear Limited | Patterned implantable electret microphone |
EP2553944A4 (en) * | 2010-03-30 | 2016-03-23 | Cochlear Ltd | Low noise electret microphone |
TWI483623B (en) * | 2012-09-14 | 2015-05-01 | Fortune Grand Technology Inc | Speaker unit |
CN106028228B (en) * | 2016-07-25 | 2021-06-11 | 山东共达电声股份有限公司 | Vibrating diaphragm and sound equipment with same |
USD1000422S1 (en) * | 2021-04-14 | 2023-10-03 | Crestron Electronics, Inc. | Loudspeaker grille |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR34837E (en) * | 1927-10-21 | |||
DE494221C (en) * | 1926-06-05 | 1930-03-20 | Vogt Hans | Device for converting acoustic vibrations into electrical and vice versa by means of electrostatic fields |
-
1970
- 1970-07-14 JP JP1970069759U patent/JPS4912598Y1/ja not_active Expired
-
1971
- 1971-07-12 DE DE2134706A patent/DE2134706B2/en not_active Ceased
- 1971-07-13 FR FR7125768A patent/FR2100906B1/fr not_active Expired
- 1971-07-13 CA CA118,040A patent/CA953017A/en not_active Expired
- 1971-07-14 GB GB3313871A patent/GB1352407A/en not_active Expired
-
1973
- 1973-06-26 US US00373816A patent/US3821492A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS4912598Y1 (en) | 1974-03-28 |
US3821492A (en) | 1974-06-28 |
GB1352407A (en) | 1974-05-08 |
DE2134706B2 (en) | 1974-04-18 |
DE2134706A1 (en) | 1972-01-20 |
FR2100906B1 (en) | 1975-10-10 |
FR2100906A1 (en) | 1972-03-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA989972A (en) | Electroacoustic transducer | |
CA1003097A (en) | Electrostatic transducer assembly | |
CA970874A (en) | Electrostatic transducer | |
CA949674A (en) | Electrostatic electroacoustic transducer | |
CA953017A (en) | Electrostatic electroacoustic transducer | |
CA1008170A (en) | Electrostatic transducer | |
CA944473A (en) | Electrostatic transducer | |
CA933277A (en) | Electrostatic electroacoustic transducer | |
CA963570A (en) | Electroacoustic transducer | |
CA926456A (en) | Transducer | |
CA982686A (en) | Electrostatic transducer | |
CA949675A (en) | Electrostatic electroacoustic transducer | |
AU461117B2 (en) | Electroacoustic transducer | |
AU2975171A (en) | Moving coil electroacoustic transducer | |
CA995369A (en) | Capacitive transducer | |
ZA705816B (en) | An electrostatic electroacoustic transducer | |
CA836173A (en) | Electro-acoustic transducer | |
CA869151A (en) | Electrostatic electroacoustic transducer | |
CA908281A (en) | Electrostatic electroacoustic transducer | |
ZA714395B (en) | An electrostatic electroacoustic transducer | |
CA859515A (en) | Electrodynamic transducer | |
AU411997B2 (en) | Electret transducer | |
AU435814B2 (en) | Electroacoustic transducer | |
CA858217A (en) | Transducers | |
CA851943A (en) | Transducers |