FR2289089A1 - Transducteur electrostatique - Google Patents

Transducteur electrostatique

Info

Publication number
FR2289089A1
FR2289089A1 FR7508035A FR7508035A FR2289089A1 FR 2289089 A1 FR2289089 A1 FR 2289089A1 FR 7508035 A FR7508035 A FR 7508035A FR 7508035 A FR7508035 A FR 7508035A FR 2289089 A1 FR2289089 A1 FR 2289089A1
Authority
FR
France
Prior art keywords
electrostatic transducer
transducer
electrostatic
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.)
Granted
Application number
FR7508035A
Other languages
English (en)
Other versions
FR2289089B3 (fr
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2289089A1 publication Critical patent/FR2289089A1/fr
Application granted granted Critical
Publication of FR2289089B3 publication Critical patent/FR2289089B3/fr
Granted 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G7/00—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
    • H01G7/02—Electrets, i.e. having a permanently-polarised dielectric
    • H01G7/021—Electrets, i.e. having a permanently-polarised dielectric having an organic dielectric
    • H01G7/023—Electrets, i.e. having a permanently-polarised dielectric having an organic dielectric of macromolecular compounds

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
FR7508035A 1974-03-15 1975-03-14 Transducteur electrostatique Granted FR2289089A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NLAANVRAGE7403471,A NL179104C (nl) 1974-03-15 1974-03-15 Elektrostatische transducent.

Publications (2)

Publication Number Publication Date
FR2289089A1 true FR2289089A1 (fr) 1976-05-21
FR2289089B3 FR2289089B3 (fr) 1977-11-18

Family

ID=19820964

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7508035A Granted FR2289089A1 (fr) 1974-03-15 1975-03-14 Transducteur electrostatique

Country Status (7)

Country Link
US (1) US4016375A (fr)
JP (1) JPS5951199B2 (fr)
AT (1) AT332464B (fr)
DE (1) DE2510279C2 (fr)
FR (1) FR2289089A1 (fr)
GB (1) GB1504314A (fr)
NL (1) NL179104C (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000029210A1 (fr) * 1998-11-18 2000-05-25 Daikin Industries, Ltd. Structure polymere contenant du fluor a adhesivite haute temperature, et materiau de glissement utilisant ladite structure
US8559660B2 (en) * 2007-07-12 2013-10-15 Industrial Technology Research Institute Electrostatic electroacoustic transducers
WO2009076064A1 (fr) * 2007-12-06 2009-06-18 3M Innovative Properties Company Bandes de type électret avec additifs d'accroissement de la charge
RU2010148559A (ru) * 2008-06-02 2012-07-20 3М Инновейтив Пропертиз Компани (US) Усиливающие заряд добавки для электретов
CN102046871B (zh) * 2008-06-02 2013-02-13 3M创新有限公司 驻极体料片、驻极体过滤介质和制备驻极体料片的方法
US7765698B2 (en) * 2008-06-02 2010-08-03 3M Innovative Properties Company Method of making electret articles based on zeta potential
EP2303770B1 (fr) * 2008-06-30 2014-07-09 3M Innovative Properties Company Procédé pour la formation in situ de nanoagrégats à l'intérieur d'un substrat poreux
EP2398956A2 (fr) 2009-02-20 2011-12-28 3M Innovative Properties Company Voile électret antimicrobien
TWI708473B (zh) * 2019-09-27 2020-10-21 華碩電腦股份有限公司 致動器

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3711941A (en) * 1970-11-02 1973-01-23 Bell Telephone Labor Inc Fabrication of electret transducer elements using low energy electron beam
US3770711A (en) * 1972-01-31 1973-11-06 Du Pont Oriented structures of tetrafluoroethylene/perfluoro (alkyl vinyl ether) copolymer
NL7210088A (fr) * 1972-07-21 1974-01-23

Also Published As

Publication number Publication date
JPS50128520A (fr) 1975-10-09
DE2510279C2 (de) 1982-04-15
NL179104C (nl) 1986-07-01
NL7403471A (nl) 1975-09-17
USB557274I5 (fr) 1976-03-23
NL179104B (nl) 1986-02-03
GB1504314A (en) 1978-03-15
US4016375A (en) 1977-04-05
DE2510279A1 (de) 1975-09-18
AT332464B (de) 1976-09-27
FR2289089B3 (fr) 1977-11-18
ATA189775A (de) 1976-01-15
JPS5951199B2 (ja) 1984-12-12

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