SE362571B - - Google Patents

Info

Publication number
SE362571B
SE362571B SE15456/71A SE1545671A SE362571B SE 362571 B SE362571 B SE 362571B SE 15456/71 A SE15456/71 A SE 15456/71A SE 1545671 A SE1545671 A SE 1545671A SE 362571 B SE362571 B SE 362571B
Authority
SE
Sweden
Application number
SE15456/71A
Inventor
J O Hedman
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE15456/71A priority Critical patent/SE362571B/xx
Priority to FI3188/72A priority patent/FI57679C/sv
Priority to DE2257358A priority patent/DE2257358C3/de
Priority to US00308832A priority patent/US3812575A/en
Priority to CH1707072A priority patent/CH555123A/xx
Priority to AU49176/72A priority patent/AU467222B2/en
Priority to ES409005A priority patent/ES409005A1/es
Priority to NL7216115A priority patent/NL7216115A/xx
Priority to BR008381/72A priority patent/BR7208381D0/pt
Priority to IT32313/72A priority patent/IT971396B/it
Priority to DK603072AA priority patent/DK141150B/da
Priority to FR7242899A priority patent/FR2162194B1/fr
Priority to NO4428/72A priority patent/NO132015C/no
Priority to GB5573172A priority patent/GB1365257A/en
Priority to CA158,473A priority patent/CA961974A/en
Priority to JP47120344A priority patent/JPS5816000B2/ja
Publication of SE362571B publication Critical patent/SE362571B/xx

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
    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H04R31/006—Interconnection of transducer parts
    • 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
    • H04R19/016—Electrostatic transducers characterised by the use of electrets for microphones
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49005—Acoustic transducer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49226—Electret making

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
SE15456/71A 1971-12-02 1971-12-02 SE362571B (da)

Priority Applications (16)

Application Number Priority Date Filing Date Title
SE15456/71A SE362571B (da) 1971-12-02 1971-12-02
FI3188/72A FI57679C (fi) 1971-12-02 1972-11-14 Elektretmikrofon
DE2257358A DE2257358C3 (de) 1971-12-02 1972-11-20 Verfahren zur Herstellung eines Elektret-Mikrophons
US00308832A US3812575A (en) 1971-12-02 1972-11-22 Electret microphone
CH1707072A CH555123A (de) 1971-12-02 1972-11-23 Verfahren zum herstellen eines elektret-mikrofons.
AU49176/72A AU467222B2 (en) 1971-12-02 1972-11-23 Electret microphone
ES409005A ES409005A1 (es) 1971-12-02 1972-11-27 Procedimiento de fabricacion de un microfono electret.
NL7216115A NL7216115A (da) 1971-12-02 1972-11-28
BR008381/72A BR7208381D0 (pt) 1971-12-02 1972-11-29 Microfone eletrete
IT32313/72A IT971396B (it) 1971-12-02 1972-11-30 Microfono ad elettrete
DK603072AA DK141150B (da) 1971-12-02 1972-12-01 Fremgangsmåde til fremstilling af en elektretmikrofon.
FR7242899A FR2162194B1 (da) 1971-12-02 1972-12-01
NO4428/72A NO132015C (da) 1971-12-02 1972-12-01
GB5573172A GB1365257A (en) 1971-12-02 1972-12-01 Electroacoustic transducers and their manufacture
CA158,473A CA961974A (en) 1971-12-02 1972-12-01 Electret microphone
JP47120344A JPS5816000B2 (ja) 1971-12-02 1972-12-02 エレクトレツトマイクロホン ノ セイゾウホウ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE15456/71A SE362571B (da) 1971-12-02 1971-12-02

Publications (1)

Publication Number Publication Date
SE362571B true SE362571B (da) 1973-12-10

Family

ID=20300673

Family Applications (1)

Application Number Title Priority Date Filing Date
SE15456/71A SE362571B (da) 1971-12-02 1971-12-02

Country Status (16)

Country Link
US (1) US3812575A (da)
JP (1) JPS5816000B2 (da)
AU (1) AU467222B2 (da)
BR (1) BR7208381D0 (da)
CA (1) CA961974A (da)
CH (1) CH555123A (da)
DE (1) DE2257358C3 (da)
DK (1) DK141150B (da)
ES (1) ES409005A1 (da)
FI (1) FI57679C (da)
FR (1) FR2162194B1 (da)
GB (1) GB1365257A (da)
IT (1) IT971396B (da)
NL (1) NL7216115A (da)
NO (1) NO132015C (da)
SE (1) SE362571B (da)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2532980A1 (de) * 1974-08-15 1976-03-04 Ericsson Telefon Ab L M Verfahren zur herstellung eines elektretmikrophons mit genau bestimmtem luftspalt

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3896274A (en) * 1973-10-04 1975-07-22 Thermo Electron Corp Electret earphone
JPS5636233Y2 (da) * 1974-12-27 1981-08-26
US4070741A (en) * 1976-09-27 1978-01-31 Genrad Inc. Method of making an electret acoustic transducer
JPS53100228U (da) * 1976-12-27 1978-08-14
SE398588B (sv) * 1977-03-23 1977-12-27 Ericsson Telefon Ab L M Temperaturstabil elektretmikrofon
JPS5754399Y2 (da) * 1978-02-20 1982-11-25
GB2079053B (en) * 1980-06-30 1984-03-28 Tokyo Shibaura Electric Co Electret device
GB2079056B (en) * 1980-06-30 1985-04-17 Tokyo Shibaura Electric Co Electret device
US4429190A (en) * 1981-11-20 1984-01-31 Bell Telephone Laboratories, Incorporated Continuous strip electret transducer array
DE8531503U1 (da) * 1985-11-07 1987-03-05 Siemens Ag, 1000 Berlin Und 8000 Muenchen, De
US4767973A (en) * 1987-07-06 1988-08-30 Sarcos Incorporated Systems and methods for sensing position and movement
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
US5408534A (en) * 1992-03-05 1995-04-18 Knowles Electronics, Inc. Electret microphone assembly, and method of manufacturer
US5647007A (en) * 1994-12-22 1997-07-08 Helen Of Troy Limited Optimized sound components for hair dryer stereo system
AT410498B (de) * 2001-02-20 2003-05-26 Akg Acoustics Gmbh Elektroakustische kapsel
TW200629954A (en) * 2004-11-02 2006-08-16 Hosiden Corp Condenser microphone and method for manufacturing substrate for the same
JP4245625B2 (ja) * 2006-09-29 2009-03-25 ホシデン株式会社 エレクトレットコンデンサマイクロホン
JP5172198B2 (ja) * 2007-04-27 2013-03-27 三洋電機株式会社 エレクトレット素子および静電動作装置
JP4944760B2 (ja) * 2007-12-27 2012-06-06 ホシデン株式会社 エレクトレットコンデンサマイクロホン
TWI378733B (en) * 2008-10-27 2012-12-01 Htc Corp Method for manufacturing electret diaphragm
KR101276350B1 (ko) * 2011-07-04 2013-06-18 주식회사 비에스이 스프링 베이스를 이용한 접합형 콘덴서 마이크로폰

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3118022A (en) * 1961-08-07 1964-01-14 Bell Telephone Labor Inc Electroacoustic transducer
FR1330592A (fr) * 1961-08-07 1963-06-21 Western Electric Co Transducteur électrostatique
FR1354631A (fr) * 1962-05-22 1964-03-06 Western Electric Co Transducteur électroacoustique
US3436492A (en) * 1966-01-17 1969-04-01 Northern Electric Co Field effect electroacoustic transducer
US3612778A (en) * 1967-05-15 1971-10-12 Thermo Electron Corp Electret acoustic transducer and method of making

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2532980A1 (de) * 1974-08-15 1976-03-04 Ericsson Telefon Ab L M Verfahren zur herstellung eines elektretmikrophons mit genau bestimmtem luftspalt

Also Published As

Publication number Publication date
IT971396B (it) 1974-04-30
DE2257358B2 (de) 1976-01-15
DE2257358C3 (de) 1980-09-25
DK141150C (da) 1980-07-07
NO132015B (da) 1975-05-26
FR2162194B1 (da) 1976-06-04
FR2162194A1 (da) 1973-07-13
CH555123A (de) 1974-10-15
FI57679C (fi) 1980-09-10
AU4917672A (en) 1974-05-23
AU467222B2 (en) 1975-11-27
CA961974A (en) 1975-01-28
JPS4864917A (da) 1973-09-07
FI57679B (fi) 1980-05-30
DE2257358A1 (de) 1973-06-14
NL7216115A (da) 1973-06-05
GB1365257A (en) 1974-08-29
DK141150B (da) 1980-01-21
ES409005A1 (es) 1975-10-16
US3812575A (en) 1974-05-28
NO132015C (da) 1975-09-03
BR7208381D0 (pt) 1973-08-30
JPS5816000B2 (ja) 1983-03-29

Similar Documents

Publication Publication Date Title
DK141150C (da)
ATA136472A (da)
AR196074A1 (da)
AU2564071A (da)
AU2941471A (da)
AU2952271A (da)
AU3005371A (da)
AU2485671A (da)
AU2486471A (da)
AU2399971A (da)
AU2415871A (da)
AU2456871A (da)
AU2473671A (da)
AU2837671A (da)
AU2503871A (da)
AU2938071A (da)
AU2940971A (da)
AR199640Q (da)
AU2455871A (da)
AR202997Q (da)
AU2963771A (da)
AU1109576A (da)
AU3025871A (da)
AU3038671A (da)
AU3059471A (da)