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SE0301541D0 - Elektroakustisk omvandlare - Google Patents

Elektroakustisk omvandlare

Info

Publication number
SE0301541D0
SE0301541D0 SE0301541A SE0301541A SE0301541D0 SE 0301541 D0 SE0301541 D0 SE 0301541D0 SE 0301541 A SE0301541 A SE 0301541A SE 0301541 A SE0301541 A SE 0301541A SE 0301541 D0 SE0301541 D0 SE 0301541D0
Authority
SE
Sweden
Prior art keywords
electroacoustic converter
microphone
audio characteristics
improved audio
transducer membrane
Prior art date
Application number
SE0301541A
Other languages
English (en)
Other versions
SE0301541L (sv
SE526743C2 (sv
Inventor
Goeran Ehrlund
Original Assignee
Goeran Ehrlund
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 Goeran Ehrlund filed Critical Goeran Ehrlund
Priority to SE0301541A priority Critical patent/SE526743C2/sv
Publication of SE0301541D0 publication Critical patent/SE0301541D0/sv
Priority to PCT/SE2004/000782 priority patent/WO2004105427A1/en
Publication of SE0301541L publication Critical patent/SE0301541L/sv
Publication of SE526743C2 publication Critical patent/SE526743C2/sv

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
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H04R17/02—Microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/46—Special adaptations for use as contact microphones, e.g. on musical instrument, on stethoscope

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
SE0301541A 2003-05-23 2003-05-23 Piezoelektrisk mikrofon SE526743C2 (sv)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SE0301541A SE526743C2 (sv) 2003-05-23 2003-05-23 Piezoelektrisk mikrofon
PCT/SE2004/000782 WO2004105427A1 (en) 2003-05-23 2004-05-21 Piezoelectric microphone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0301541A SE526743C2 (sv) 2003-05-23 2003-05-23 Piezoelektrisk mikrofon

Publications (3)

Publication Number Publication Date
SE0301541D0 true SE0301541D0 (sv) 2003-05-23
SE0301541L SE0301541L (sv) 2004-11-24
SE526743C2 SE526743C2 (sv) 2005-11-01

Family

ID=20291415

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0301541A SE526743C2 (sv) 2003-05-23 2003-05-23 Piezoelektrisk mikrofon

Country Status (2)

Country Link
SE (1) SE526743C2 (sv)
WO (1) WO2004105427A1 (sv)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1122698A (en) * 1966-05-03 1968-08-07 Nippon Musical Instruments Mfg Loudspeaker with asymmetrically shaped diaphragm
FR2511570A1 (fr) * 1981-08-11 1983-02-18 Thomson Csf Transducteur electroacoustique a polymere piezoelectrique

Also Published As

Publication number Publication date
WO2004105427A1 (en) 2004-12-02
SE0301541L (sv) 2004-11-24
SE526743C2 (sv) 2005-11-01

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Legal Events

Date Code Title Description
NUG Patent has lapsed