DE2211729A1 - Elektrostatisch-akustischer Wandler - Google Patents

Elektrostatisch-akustischer Wandler

Info

Publication number
DE2211729A1
DE2211729A1 DE19722211729 DE2211729A DE2211729A1 DE 2211729 A1 DE2211729 A1 DE 2211729A1 DE 19722211729 DE19722211729 DE 19722211729 DE 2211729 A DE2211729 A DE 2211729A DE 2211729 A1 DE2211729 A1 DE 2211729A1
Authority
DE
Germany
Prior art keywords
electrostatic
electrodes
fixed electrodes
conductive layer
fixed
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.)
Pending
Application number
DE19722211729
Other languages
German (de)
English (en)
Inventor
Nobuhisa Shijonawate; Aoi Takahisa Moriguchi; Atoji (Japan). P
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE2211729A1 publication Critical patent/DE2211729A1/de
Pending legal-status Critical Current

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)
DE19722211729 1971-03-11 1972-03-10 Elektrostatisch-akustischer Wandler Pending DE2211729A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1382871A JPS5632839B1 (enrdf_load_stackoverflow) 1971-03-11 1971-03-11

Publications (1)

Publication Number Publication Date
DE2211729A1 true DE2211729A1 (de) 1972-09-28

Family

ID=11844119

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19722211729 Pending DE2211729A1 (de) 1971-03-11 1972-03-10 Elektrostatisch-akustischer Wandler

Country Status (6)

Country Link
US (1) US3833770A (enrdf_load_stackoverflow)
JP (1) JPS5632839B1 (enrdf_load_stackoverflow)
CA (1) CA947856A (enrdf_load_stackoverflow)
DE (1) DE2211729A1 (enrdf_load_stackoverflow)
FR (1) FR2186799B1 (enrdf_load_stackoverflow)
GB (1) GB1387453A (enrdf_load_stackoverflow)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7313455A (nl) * 1973-10-01 1975-04-03 Philips Nv Mikrofoon met elektrostatische capsule.
US3921167A (en) * 1974-06-14 1975-11-18 Ibm Capacitive circuitboard
US4331840A (en) * 1980-02-22 1982-05-25 Lectret S.A. Electret transducer with tapered acoustic chamber
NL8004351A (nl) * 1980-07-30 1982-03-01 Philips Nv Elektreetomzetter.
JPH02149199A (ja) * 1988-11-30 1990-06-07 Matsushita Electric Ind Co Ltd エレクトレットコンデンサマイクロホン
RU2287913C2 (ru) * 2005-06-10 2006-11-20 Василий Арсеньевич Хабузов Электростатический акустический преобразователь
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
US8184833B2 (en) * 2007-12-14 2012-05-22 Sony Ericsson Mobile Communications Ab Electrostatic speaker arrangement for a mobile device
US20100079379A1 (en) * 2008-09-26 2010-04-01 Sony Ericsson Mobile Communications Ab Portable communication device having an electroluminescent driven haptic keypad
CN110996237A (zh) * 2018-05-14 2020-04-10 董耀斌 一种电子发生器、一种净电荷发生装置及一种静电扬声器

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3008013A (en) * 1954-07-20 1961-11-07 Ferranti Ltd Electrostatic loudspeakers
US3160715A (en) * 1960-11-15 1964-12-08 Gussing Nils Torsten Alson Electrostatic loudspeakers
US3118022A (en) * 1961-08-07 1964-01-14 Bell Telephone Labor Inc Electroacoustic transducer
FR1354631A (fr) * 1962-05-22 1964-03-06 Western Electric Co Transducteur électroacoustique

Also Published As

Publication number Publication date
FR2186799A1 (enrdf_load_stackoverflow) 1974-01-11
US3833770A (en) 1974-09-03
CA947856A (en) 1974-05-21
GB1387453A (en) 1975-03-19
FR2186799B1 (enrdf_load_stackoverflow) 1975-03-07
JPS5632839B1 (enrdf_load_stackoverflow) 1981-07-30

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