NL7312472A - - Google Patents

Info

Publication number
NL7312472A
NL7312472A NL7312472A NL7312472A NL7312472A NL 7312472 A NL7312472 A NL 7312472A NL 7312472 A NL7312472 A NL 7312472A NL 7312472 A NL7312472 A NL 7312472A NL 7312472 A NL7312472 A NL 7312472A
Authority
NL
Netherlands
Application number
NL7312472A
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 filed Critical
Publication of NL7312472A publication Critical patent/NL7312472A/xx
Priority to FR7431000A priority Critical patent/FR2244117A1/fr

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)
NL7312472A 1972-09-08 1973-09-14 NL7312472A (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7431000A FR2244117A1 (en) 1973-09-14 1974-09-13 Adaptor branch-pipe for plastic piping - connected with bowl-shaped part and communicating with piping

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
NL7312472A true NL7312472A (enrdf_load_stackoverflow) 1974-03-12

Family

ID=4094380

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7312472A NL7312472A (enrdf_load_stackoverflow) 1972-09-08 1973-09-14

Country Status (7)

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

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 (sv) * 1995-12-22 1997-10-06 Tore Fors Högtalare
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 (ru) * 2006-01-03 2012-01-20 Транспарент Саунд Текнолоджи БИ.ВИ.,NL Электростатические акустические системы и способы
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 (zh) * 2011-06-24 2015-01-07 富祐鸿科技股份有限公司 耳机发声结构及其组装方法
US8699740B2 (en) * 2011-07-22 2014-04-15 Fortune Grand Technology Inc. Headphone sound-generating structure and method of assembling same
CN106341748A (zh) * 2015-07-17 2017-01-18 富祐鸿科技股份有限公司 静电耳机发声结构
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
GB1093836A (en) * 1964-10-24 1967-12-06 Tesla Np Improvements in and relating to an electret microphone and the method of assembling the same
US3389226A (en) * 1964-12-29 1968-06-18 Gen Electric Electrostatic loudspeaker
DE1639444B2 (de) * 1967-05-15 1972-08-03 Thermo Electron Engineering Corp., Waltham, Mass. (V.StA.) Elektroakustischer wandler
FR2021232A1 (enrdf_load_stackoverflow) * 1968-10-22 1970-07-17 Kureha Chemical Ind Co Ltd
JPS4815867B1 (enrdf_load_stackoverflow) * 1969-08-28 1973-05-17
JPS4840084B1 (enrdf_load_stackoverflow) * 1969-11-19 1973-11-28
JPS4912598Y1 (enrdf_load_stackoverflow) * 1970-07-14 1974-03-28

Also Published As

Publication number Publication date
CA989514A (en) 1976-05-18
JPS49101017A (enrdf_load_stackoverflow) 1974-09-25
FR2199242B1 (enrdf_load_stackoverflow) 1978-11-03
US3894333A (en) 1975-07-15
GB1444763A (en) 1976-08-04
DE2345285A1 (de) 1974-03-21
FR2199242A1 (enrdf_load_stackoverflow) 1974-04-05

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