CA989514A - Electromechanical transducer and method of making same - Google Patents

Electromechanical transducer and method of making same

Info

Publication number
CA989514A
CA989514A CA151,244A CA151244A CA989514A CA 989514 A CA989514 A CA 989514A CA 151244 A CA151244 A CA 151244A CA 989514 A CA989514 A CA 989514A
Authority
CA
Canada
Prior art keywords
making same
electromechanical transducer
electromechanical
transducer
making
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.)
Expired
Application number
CA151,244A
Other versions
CA151244S (en
Inventor
Loh-Yi Chang
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.)
UNIROYAL Ltd
Original Assignee
UNIROYAL 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 UNIROYAL Ltd filed Critical UNIROYAL Ltd
Priority to CA151,244A priority Critical patent/CA989514A/en
Priority to US359568A priority patent/US3894333A/en
Priority to GB4178273A priority patent/GB1444763A/en
Priority to DE19732345285 priority patent/DE2345285A1/en
Priority to JP48101020A priority patent/JPS49101017A/ja
Priority to FR7332357A priority patent/FR2199242B1/fr
Priority to NL7312472A priority patent/NL7312472A/xx
Application granted granted Critical
Publication of CA989514A publication Critical patent/CA989514A/en
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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
CA151,244A 1972-09-08 1972-09-08 Electromechanical transducer and method of making same Expired CA989514A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
CA151,244A CA989514A (en) 1972-09-08 1972-09-08 Electromechanical transducer and method of making same
US359568A US3894333A (en) 1972-09-08 1973-05-11 Electromechanical transducer and method of making same
GB4178273A GB1444763A (en) 1972-09-08 1973-09-05 Electromechanical transducers
DE19732345285 DE2345285A1 (en) 1972-09-08 1973-09-07 ELECTROMECHANICAL CONVERTER AND METHOD FOR MANUFACTURING IT
JP48101020A JPS49101017A (en) 1972-09-08 1973-09-07
FR7332357A FR2199242B1 (en) 1972-09-08 1973-09-07
NL7312472A NL7312472A (en) 1972-09-08 1973-09-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA151,244A CA989514A (en) 1972-09-08 1972-09-08 Electromechanical transducer and method of making same

Publications (1)

Publication Number Publication Date
CA989514A true CA989514A (en) 1976-05-18

Family

ID=4094380

Family Applications (1)

Application Number Title Priority Date Filing Date
CA151,244A Expired CA989514A (en) 1972-09-08 1972-09-08 Electromechanical transducer and method of making same

Country Status (7)

Country Link
US (1) US3894333A (en)
JP (1) JPS49101017A (en)
CA (1) CA989514A (en)
DE (1) DE2345285A1 (en)
FR (1) FR2199242B1 (en)
GB (1) GB1444763A (en)
NL (1) NL7312472A (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4382328A (en) * 1981-01-02 1983-05-10 Janszen Arthur A Method of making stationary electrodes for electrostatic transducers
US4533794A (en) * 1983-05-23 1985-08-06 Beveridge Harold N Electrode for electrostatic transducer
SE505752C2 (en) * 1995-12-22 1997-10-06 Tore Fors Speaker
US6760462B1 (en) 2003-01-09 2004-07-06 Eminent Technology Incorporated Planar diaphragm loudspeakers with non-uniform air resistive loading for low frequency modal control
RU2440693C2 (en) * 2006-01-03 2012-01-20 Транспарент Саунд Текнолоджи БИ.ВИ.,NL Electrostatic acoustic systems and methods
TWI343756B (en) * 2009-08-10 2011-06-11 Ind Tech Res Inst Flat loudspeaker structure
TWM395976U (en) * 2010-06-30 2011-01-01 Tsung-Hung Wu Electret electroacoustic transducer
CN102843628B (en) * 2011-06-24 2015-01-07 富祐鸿科技股份有限公司 Earphone sounding structure and assembling method thereof
US8699740B2 (en) * 2011-07-22 2014-04-15 Fortune Grand Technology Inc. Headphone sound-generating structure and method of assembling same
CN106341748A (en) * 2015-07-17 2017-01-18 富祐鸿科技股份有限公司 Electrostatic earphone sounding structure
US10231060B2 (en) * 2015-12-23 2019-03-12 Sennheiser Electronic Gmbh & Co. Kg Electrostatic headphones
US10697230B2 (en) 2018-02-27 2020-06-30 Taylor Made Group, Llc High strength window or door system
US11496838B2 (en) * 2020-04-18 2022-11-08 Audeze, Llc Electroacoustic transducer assembly

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3474197A (en) * 1964-10-24 1969-10-21 Tesla Np Electret microphone
US3389226A (en) * 1964-12-29 1968-06-18 Gen Electric Electrostatic loudspeaker
DE1639444B2 (en) * 1967-05-15 1972-08-03 Thermo Electron Engineering Corp., Waltham, Mass. (V.StA.) ELECTROACOUSTIC CONVERTER
FR2021232A1 (en) * 1968-10-22 1970-07-17 Kureha Chemical Ind Co Ltd
JPS4815867B1 (en) * 1969-08-28 1973-05-17
JPS4840084B1 (en) * 1969-11-19 1973-11-28
JPS4912598Y1 (en) * 1970-07-14 1974-03-28

Also Published As

Publication number Publication date
FR2199242B1 (en) 1978-11-03
DE2345285A1 (en) 1974-03-21
GB1444763A (en) 1976-08-04
NL7312472A (en) 1974-03-12
US3894333A (en) 1975-07-15
JPS49101017A (en) 1974-09-25
FR2199242A1 (en) 1974-04-05

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