FR2186799A1 - - Google Patents

Info

Publication number
FR2186799A1
FR2186799A1 FR7208419A FR7208419A FR2186799A1 FR 2186799 A1 FR2186799 A1 FR 2186799A1 FR 7208419 A FR7208419 A FR 7208419A FR 7208419 A FR7208419 A FR 7208419A FR 2186799 A1 FR2186799 A1 FR 2186799A1
Authority
FR
France
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.)
Granted
Application number
FR7208419A
Other languages
French (fr)
Other versions
FR2186799B1 (enrdf_load_stackoverflow
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 FR2186799A1 publication Critical patent/FR2186799A1/fr
Application granted granted Critical
Publication of FR2186799B1 publication Critical patent/FR2186799B1/fr
Expired 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)
FR7208419A 1971-03-11 1972-03-10 Expired FR2186799B1 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2186799A1 true FR2186799A1 (enrdf_load_stackoverflow) 1974-01-11
FR2186799B1 FR2186799B1 (enrdf_load_stackoverflow) 1975-03-07

Family

ID=11844119

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7208419A Expired FR2186799B1 (enrdf_load_stackoverflow) 1971-03-11 1972-03-10

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

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1354631A (fr) * 1962-05-22 1964-03-06 Western Electric Co Transducteur électroacoustique

Family Cites Families (3)

* 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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1354631A (fr) * 1962-05-22 1964-03-06 Western Electric Co Transducteur électroacoustique

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
*REVUE FRANCAISE "TOUTE L'ELECTRONIQUE", VOLUME 36, JANVIER *
FEVRIER 1969, N 332, ARTICLE UNE REALISATION D'AVANT-GARDE : "LE "ES-6", LORSQUE ELECTROSTATIQUE A AUTOPOLARISATION" PAR C.DARTEVELLE, PAGES 37 A 39.) *
REVUE BRITANNIQUE : JOURNAL OF THE BRITISH INSTITUTION OF RADIO ENGINEERS" VOLUME 16 DE DECEMBRE 1956, ARTICLE :"HIGH FIDELITY LOUDSPEAKERS:"THE PERFORMANCE OF MOVING COIL AND ELECTROSTATIC TRANSDUCERS"PAR J.H.LEAK PAGES 681 A 693. *

Also Published As

Publication number Publication date
US3833770A (en) 1974-09-03
CA947856A (en) 1974-05-21
GB1387453A (en) 1975-03-19
DE2211729A1 (de) 1972-09-28
FR2186799B1 (enrdf_load_stackoverflow) 1975-03-07
JPS5632839B1 (enrdf_load_stackoverflow) 1981-07-30

Similar Documents

Publication Publication Date Title
FR2186799B1 (enrdf_load_stackoverflow)
AU2658571A (enrdf_load_stackoverflow)
AU2691671A (enrdf_load_stackoverflow)
AU3005371A (enrdf_load_stackoverflow)
AU2684071A (enrdf_load_stackoverflow)
AU2726271A (enrdf_load_stackoverflow)
AU2742671A (enrdf_load_stackoverflow)
AU2894671A (enrdf_load_stackoverflow)
AU2941471A (enrdf_load_stackoverflow)
AU2952271A (enrdf_load_stackoverflow)
AU2938071A (enrdf_load_stackoverflow)
AU2724971A (enrdf_load_stackoverflow)
AU2577671A (enrdf_load_stackoverflow)
AU2588771A (enrdf_load_stackoverflow)
AU2654071A (enrdf_load_stackoverflow)
AU3038671A (enrdf_load_stackoverflow)
AU3025871A (enrdf_load_stackoverflow)
AU2669471A (enrdf_load_stackoverflow)
AU2963771A (enrdf_load_stackoverflow)
AU2684171A (enrdf_load_stackoverflow)
AU2706571A (enrdf_load_stackoverflow)
AU2940971A (enrdf_load_stackoverflow)
AR192311Q (enrdf_load_stackoverflow)
AU2930871A (enrdf_load_stackoverflow)
AU2927871A (enrdf_load_stackoverflow)