DE2055683B2 - ELECTROSTATIC ELECTROACOUSTIC CONVERTER - Google Patents
ELECTROSTATIC ELECTROACOUSTIC CONVERTERInfo
- Publication number
- DE2055683B2 DE2055683B2 DE19702055683 DE2055683A DE2055683B2 DE 2055683 B2 DE2055683 B2 DE 2055683B2 DE 19702055683 DE19702055683 DE 19702055683 DE 2055683 A DE2055683 A DE 2055683A DE 2055683 B2 DE2055683 B2 DE 2055683B2
- Authority
- DE
- Germany
- Prior art keywords
- electroacoustic converter
- electrostatic electroacoustic
- electrostatic
- converter
- 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.)
- Ceased
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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP44092079A JPS4840084B1 (en) | 1969-11-19 | 1969-11-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2055683A1 DE2055683A1 (en) | 1971-06-03 |
DE2055683B2 true DE2055683B2 (en) | 1972-10-05 |
Family
ID=14044426
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19702055683 Ceased DE2055683B2 (en) | 1969-11-19 | 1970-11-12 | ELECTROSTATIC ELECTROACOUSTIC CONVERTER |
Country Status (7)
Country | Link |
---|---|
US (1) | US3894199A (en) |
JP (1) | JPS4840084B1 (en) |
CA (1) | CA949674A (en) |
DE (1) | DE2055683B2 (en) |
FR (1) | FR2067388A1 (en) |
GB (1) | GB1302430A (en) |
ZA (1) | ZA707721B (en) |
Families Citing this family (25)
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 |
JPS5419172B2 (en) * | 1973-07-23 | 1979-07-13 | ||
US4224540A (en) * | 1978-08-10 | 1980-09-23 | Shigeo Okubo | Displacement current sensor |
JPH02149199A (en) * | 1988-11-30 | 1990-06-07 | Matsushita Electric Ind Co Ltd | Electlet condenser microphone |
FI20010766A0 (en) * | 2001-04-11 | 2001-04-11 | Panphonics Oy | Electromechanical converter and method of energy conversion |
JP4103875B2 (en) * | 2004-09-16 | 2008-06-18 | セイコーエプソン株式会社 | Ultrasonic transducer, ultrasonic speaker, acoustic system, and control method of ultrasonic transducer |
JP4103877B2 (en) * | 2004-09-22 | 2008-06-18 | セイコーエプソン株式会社 | Electrostatic ultrasonic transducer and ultrasonic speaker |
FI119794B (en) * | 2005-04-28 | 2009-03-13 | Panphonics Oy | Electrostatic converter, method of its connection and method of manufacture |
US8559660B2 (en) * | 2007-07-12 | 2013-10-15 | Industrial Technology Research Institute | Electrostatic electroacoustic transducers |
TWI343756B (en) * | 2009-08-10 | 2011-06-11 | Ind Tech Res Inst | Flat loudspeaker structure |
TWI367034B (en) * | 2008-08-01 | 2012-06-21 | Ind Tech Res Inst | Structure of a speaker unit |
TWI330500B (en) * | 2007-09-04 | 2010-09-11 | Ind Tech Res Inst | Speaker structure |
TWI340602B (en) * | 2007-09-06 | 2011-04-11 | Ind Tech Res Inst | Structure and manufactruign method of a electrostatic loudspeaker |
US8625824B2 (en) | 2007-09-04 | 2014-01-07 | Industrial Technology Research Institute | Flat speaker unit and speaker device therewith |
US8391520B2 (en) * | 2008-10-24 | 2013-03-05 | Industrial Technology Research Institute | Flat speaker unit and speaker device therewith |
US8184833B2 (en) * | 2007-12-14 | 2012-05-22 | Sony Ericsson Mobile Communications Ab | Electrostatic speaker arrangement for a mobile device |
TWI364995B (en) * | 2008-12-18 | 2012-05-21 | Ind Tech Res Inst | Assembly structure of planar speaker |
TWI399987B (en) * | 2009-02-13 | 2013-06-21 | Ind Tech Res Inst | Multi-directional flat speaker device |
TW201038086A (en) * | 2009-04-09 | 2010-10-16 | Ind Tech Res Inst | Electrostatic speaker |
TWI419577B (en) * | 2009-12-23 | 2013-12-11 | Ind Tech Res Inst | Method and device of manufacturing speaker |
TWM395976U (en) * | 2010-06-30 | 2011-01-01 | Tsung-Hung Wu | Electret electroacoustic transducer |
TW201204062A (en) * | 2010-07-15 | 2012-01-16 | Taiwan Electrets Electronics Co Ltd | Electrostatic speaker and manufacturing method thereof and conducting plate of the speaker |
TW201220862A (en) * | 2010-11-03 | 2012-05-16 | Ind Tech Res Inst | Driving Interface device adaptive to a flat speaker |
WO2014100012A1 (en) * | 2012-12-20 | 2014-06-26 | The Regents Of The University Of California | Electrostatic graphene speaker |
KR20160068059A (en) | 2014-12-04 | 2016-06-15 | 삼성디스플레이 주식회사 | Piezoelectric element comprising mesoporous piezoelectric thin film |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3118022A (en) * | 1961-08-07 | 1964-01-14 | Bell Telephone Labor Inc | Electroacoustic transducer |
GB1093836A (en) * | 1964-10-24 | 1967-12-06 | Tesla Np | Improvements in and relating to an electret microphone and the method of assembling the same |
JPS4815867B1 (en) * | 1969-08-28 | 1973-05-17 |
-
1969
- 1969-11-19 JP JP44092079A patent/JPS4840084B1/ja active Pending
-
1970
- 1970-11-12 DE DE19702055683 patent/DE2055683B2/en not_active Ceased
- 1970-11-12 CA CA097,918A patent/CA949674A/en not_active Expired
- 1970-11-16 ZA ZA707721A patent/ZA707721B/en unknown
- 1970-11-18 US US090771A patent/US3894199A/en not_active Expired - Lifetime
- 1970-11-18 GB GB5488770A patent/GB1302430A/en not_active Expired
- 1970-11-19 FR FR7041582A patent/FR2067388A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
ZA707721B (en) | 1971-08-25 |
FR2067388A1 (en) | 1971-08-20 |
DE2055683A1 (en) | 1971-06-03 |
US3894199A (en) | 1975-07-08 |
GB1302430A (en) | 1973-01-10 |
JPS4840084B1 (en) | 1973-11-28 |
CA949674A (en) | 1974-06-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CH524943A (en) | Electroacoustic converter | |
DE2055683B2 (en) | ELECTROSTATIC ELECTROACOUSTIC CONVERTER | |
BE744595A (en) | Acoustic structure | |
BR7020074D0 (en) | COPIER EQUIPMENT | |
CH509695A (en) | Converter arrangement | |
BE747591A (en) | BLOKCOPOLYMEREN MET EINDSTANDIGE STATISTISCHE COPOLYMEERBLOKKENVAN STYREEN EN ALFA-METHYLSTYREEN | |
NL157158B (en) | DC-AC-AC CONVERTER. | |
CH526802A (en) | Electrostatic copier | |
CH505525A (en) | Electro-acoustic converter | |
BE759078A (en) | ELECTROSTATIC COPIER | |
BE759793A (en) | ELECTROSTATIC COPIER | |
CH539845A (en) | Electroacoustic converter | |
CH503982A (en) | Piezoelectric force converter | |
CH519943A (en) | Separator | |
BE759431A (en) | ELECTROMECHANICAL CONVERTER | |
BE747507A (en) | ELECTRISCHE SCHAKELAAR MET STROOMBEGRENZENDE | |
NL172504C (en) | ELECTRO-ACOUSTIC CONVERTER. | |
CH503420A (en) | DC-DC converter | |
CH506423A (en) | Vibrator | |
BE749037A (en) | ADVANCED ELECTROSTATIC SPEAKER | |
AT310271B (en) | Electroacoustic converter | |
AT300579B (en) | Copier | |
TR17787A (en) | SET | |
BE759187A (en) | ELECTROSTATIC COPIER | |
CH518552A (en) | Flow-electrical converter |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
BHV | Refusal |