NL7606938A - Elektromechanische omvormer. - Google Patents

Elektromechanische omvormer.

Info

Publication number
NL7606938A
NL7606938A NL7606938A NL7606938A NL7606938A NL 7606938 A NL7606938 A NL 7606938A NL 7606938 A NL7606938 A NL 7606938A NL 7606938 A NL7606938 A NL 7606938A NL 7606938 A NL7606938 A NL 7606938A
Authority
NL
Netherlands
Prior art keywords
electromechanical converter
electromechanical
converter
Prior art date
Application number
NL7606938A
Other languages
English (en)
Dutch (nl)
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
Publication of NL7606938A publication Critical patent/NL7606938A/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
    • 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)
NL7606938A 1975-07-08 1976-06-25 Elektromechanische omvormer. NL7606938A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA231,048A CA1025994A (fr) 1975-07-08 1975-07-08 Transducteur electromecanique

Publications (1)

Publication Number Publication Date
NL7606938A true NL7606938A (nl) 1977-01-11

Family

ID=4103568

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7606938A NL7606938A (nl) 1975-07-08 1976-06-25 Elektromechanische omvormer.

Country Status (8)

Country Link
US (1) US4246448A (fr)
JP (1) JPS529423A (fr)
CA (1) CA1025994A (fr)
DE (1) DE2629903A1 (fr)
DK (1) DK307176A (fr)
FR (1) FR2317847A1 (fr)
GB (1) GB1552935A (fr)
NL (1) NL7606938A (fr)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5573200A (en) * 1978-11-28 1980-06-02 Sony Corp Capacitor-type speaker
JPS55120300A (en) * 1979-03-08 1980-09-16 Sony Corp Two-way electrostatic microphone
GB2079054B (en) * 1980-06-30 1984-02-22 Tokyo Shibaura Electric Co Electret device
JPS57193198A (en) * 1981-05-22 1982-11-27 Toshiba Corp Electrostatic microphone
JPS5997719A (ja) * 1982-11-29 1984-06-05 Mitsubishi Heavy Ind Ltd テンシヨンレベラの補正方法
US4533794A (en) * 1983-05-23 1985-08-06 Beveridge Harold N Electrode for electrostatic transducer
US4808849A (en) * 1987-02-03 1989-02-28 Canadian Patents And Development Limited/Societe Canadienne Des Brevets Et D'exploitation Limitee Phyllosilicate electrets and a method for their manufacture
US5473683A (en) * 1992-02-13 1995-12-05 Northern Telecom Limited Post assembly process for adjusting the gain of an electret microphone within a communications apparatus
FI116873B (fi) * 1996-02-26 2006-03-15 Panphonics Oy Akustinen elementti ja menetelmä äänen käsittelemiseksi
US5862239A (en) * 1997-04-03 1999-01-19 Lucent Technologies Inc. Directional capacitor microphone system
US20060082158A1 (en) * 2004-10-15 2006-04-20 Schrader Jeffrey L Method and device for supplying power from acoustic energy
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
TWI405472B (zh) * 2008-07-31 2013-08-11 Htc Corp 電子裝置及其電聲換能器
JP2009095048A (ja) * 2008-12-08 2009-04-30 Seiko Epson Corp 超音波スピーカ
JP2009055644A (ja) * 2008-12-08 2009-03-12 Seiko Epson Corp 超音波トランスデューサ
JP2011135465A (ja) * 2009-12-25 2011-07-07 Kawasaki Heavy Ind Ltd 音割れ抑制制御方法及び当該方法を用いた音響制御装置
TWM395976U (en) * 2010-06-30 2011-01-01 Tsung-Hung Wu Electret electroacoustic transducer
US8069735B1 (en) 2010-11-10 2011-12-06 Artann Laboratories Inc. Tactile sensor array for soft tissue elasticity imaging
WO2014100012A1 (fr) 2012-12-20 2014-06-26 The Regents Of The University Of California Haut-parleur en graphène électrostatique
US9826313B2 (en) * 2015-05-20 2017-11-21 Clean Energy Labs, Llc Compact electroacoustic transducer and loudspeaker system and method of use thereof
US10250997B2 (en) * 2016-10-25 2019-04-02 Clean Energy Labs, Llc Compact electroacoustic transducer and loudspeaker system and method of use thereof
US11425506B2 (en) * 2018-05-18 2022-08-23 Clean Energy Labs, Llc Compact electroacoustic transducer and loudspeaker system and method of use thereof
US20210058712A1 (en) * 2019-08-22 2021-02-25 Clean Energy Labs, Llc Compact electroacoustic transducer and loudspeaker system and method of use thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE17349E (en) * 1929-07-02 Condenser telephone
GB838024A (en) * 1956-10-11 1960-06-22 Pye Ltd Improvements in electrostatic loudspeakers
JPS4912598Y1 (fr) * 1970-07-14 1974-03-28
JPS5223333Y2 (fr) * 1972-06-17 1977-05-27
US3980838A (en) * 1974-02-20 1976-09-14 Tokyo Shibaura Electric Co., Ltd. Plural electret electroacoustic transducer

Also Published As

Publication number Publication date
JPS529423A (en) 1977-01-25
CA1025994A (fr) 1978-02-07
DK307176A (da) 1977-01-09
FR2317847A1 (fr) 1977-02-04
US4246448A (en) 1981-01-20
GB1552935A (en) 1979-09-19
DE2629903A1 (de) 1977-01-27

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Legal Events

Date Code Title Description
BV The patent application has lapsed