NO20022162L - Akustisk element - Google Patents

Akustisk element

Info

Publication number
NO20022162L
NO20022162L NO20022162A NO20022162A NO20022162L NO 20022162 L NO20022162 L NO 20022162L NO 20022162 A NO20022162 A NO 20022162A NO 20022162 A NO20022162 A NO 20022162A NO 20022162 L NO20022162 L NO 20022162L
Authority
NO
Norway
Prior art keywords
platelike
active element
acoustic element
space
opening
Prior art date
Application number
NO20022162A
Other languages
English (en)
Other versions
NO20022162D0 (no
Inventor
Kari Kirjavainen
Original Assignee
Panphonics Oy
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 Panphonics Oy filed Critical Panphonics Oy
Publication of NO20022162D0 publication Critical patent/NO20022162D0/no
Publication of NO20022162L publication Critical patent/NO20022162L/no

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12—Non-planar diaphragms or cones
    • H04R7/14—Non-planar diaphragms or cones corrugated, pleated or ribbed

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Surgical Instruments (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Building Environments (AREA)
NO20022162A 1999-11-05 2002-05-06 Akustisk element NO20022162L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI992397A FI116605B (fi) 1999-11-05 1999-11-05 Akustinen elementti
PCT/FI2000/000967 WO2001033906A1 (en) 1999-11-05 2000-11-06 Acoustic element

Publications (2)

Publication Number Publication Date
NO20022162D0 NO20022162D0 (no) 2002-05-06
NO20022162L true NO20022162L (no) 2002-05-06

Family

ID=8555567

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20022162A NO20022162L (no) 1999-11-05 2002-05-06 Akustisk element

Country Status (10)

Country Link
US (1) US20030007659A1 (no)
EP (1) EP1226741B1 (no)
JP (1) JP4809561B2 (no)
AT (1) ATE422141T1 (no)
AU (1) AU1398601A (no)
CA (1) CA2390020A1 (no)
DE (1) DE60041498D1 (no)
FI (1) FI116605B (no)
NO (1) NO20022162L (no)
WO (1) WO2001033906A1 (no)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI118622B (fi) 2002-01-17 2008-01-15 Band Oy B Soittimen muunnin ja menetelmä sen valmistamiseksi
KR101537513B1 (ko) * 2014-02-28 2015-07-17 한국기계연구원 메타물질 음파 증폭기
US10197800B2 (en) * 2015-09-25 2019-02-05 Everready Precision Ind. Corp. Optical lens
JP7656265B2 (ja) * 2021-07-12 2025-04-03 トヨタ自動車株式会社 消音構造及び車両

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2855467A (en) * 1953-12-11 1958-10-07 Curry Electronics Inc Loud speakers
US3008013A (en) * 1954-07-20 1961-11-07 Ferranti Ltd Electrostatic loudspeakers
JPS5441717A (en) * 1977-09-08 1979-04-03 Victor Co Of Japan Ltd Electrostatic speaker
FR2472901A1 (fr) * 1979-12-28 1981-07-03 Thomson Csf Transducteur bimorphe en materiau polymere
JPS59174096A (ja) * 1983-03-23 1984-10-02 Kaitou Seisakusho:Kk 圧電型トランスジユ−サ
US4725994A (en) * 1984-06-14 1988-02-16 Kabushiki Kaisha Toshiba Ultrasonic transducer with a multiple-folded piezoelectric polymer film
US4654546A (en) * 1984-11-20 1987-03-31 Kari Kirjavainen Electromechanical film and procedure for manufacturing same
JPH0224319Y2 (no) * 1985-06-29 1990-07-03
JPS6234896U (no) * 1985-08-16 1987-02-28
JPS62120200A (ja) * 1985-11-20 1987-06-01 Canon Inc 発音素子
JPS6397100A (ja) * 1986-10-13 1988-04-27 Onkyo Corp 平板型圧電変換器
JPS63103600A (ja) * 1986-10-20 1988-05-09 Onkyo Corp 圧電型電気音響変換器
JP2737936B2 (ja) * 1988-07-30 1998-04-08 ヤマハ株式会社 電気／電子楽器
JPH06109592A (ja) * 1992-09-30 1994-04-19 Yokogawa Electric Corp 渦巻きばねの評価法
FI104611B (fi) * 1993-06-21 2000-02-29 Panphonics Oy Laskostettu energiamuunnin
FI116873B (fi) * 1996-02-26 2006-03-15 Panphonics Oy Akustinen elementti ja menetelmä äänen käsittelemiseksi
US6201874B1 (en) * 1998-12-07 2001-03-13 American Technology Corporation Electrostatic transducer with nonplanar configured diaphragm

Also Published As

Publication number Publication date
JP2003513578A (ja) 2003-04-08
EP1226741A1 (en) 2002-07-31
US20030007659A1 (en) 2003-01-09
FI116605B (fi) 2005-12-30
ATE422141T1 (de) 2009-02-15
FI19992397L (fi) 2001-05-06
CA2390020A1 (en) 2001-05-10
AU1398601A (en) 2001-05-14
DE60041498D1 (de) 2009-03-19
EP1226741B1 (en) 2009-01-28
NO20022162D0 (no) 2002-05-06
WO2001033906A1 (en) 2001-05-10
JP4809561B2 (ja) 2011-11-09

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