SE8302029L - Sendarmicrofon - Google Patents

Sendarmicrofon

Info

Publication number
SE8302029L
SE8302029L SE8302029A SE8302029A SE8302029L SE 8302029 L SE8302029 L SE 8302029L SE 8302029 A SE8302029 A SE 8302029A SE 8302029 A SE8302029 A SE 8302029A SE 8302029 L SE8302029 L SE 8302029L
Authority
SE
Sweden
Prior art keywords
leg
fixed
piezoelectric body
sendarmicrofon
spring
Prior art date
Application number
SE8302029A
Other languages
Unknown language ( )
English (en)
Other versions
SE8302029D0 (sv
Inventor
Y Endou
Original Assignee
Kureha Chemical Ind Co 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 Kureha Chemical Ind Co Ltd filed Critical Kureha Chemical Ind Co Ltd
Publication of SE8302029D0 publication Critical patent/SE8302029D0/sv
Publication of SE8302029L publication Critical patent/SE8302029L/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
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H04R17/02—Microphones
    • H04R17/025—Microphones using a piezoelectric polymer

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Transmitters (AREA)
SE8302029A 1982-04-13 1983-04-12 Sendarmicrofon SE8302029L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6137582A JPS58178700A (ja) 1982-04-13 1982-04-13 送話器

Publications (2)

Publication Number Publication Date
SE8302029D0 SE8302029D0 (sv) 1983-04-12
SE8302029L true SE8302029L (sv) 1983-10-14

Family

ID=13169363

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8302029A SE8302029L (sv) 1982-04-13 1983-04-12 Sendarmicrofon

Country Status (5)

Country Link
JP (1) JPS58178700A (sv)
DE (1) DE3313408A1 (sv)
FR (1) FR2525062A1 (sv)
GB (1) GB2120900A (sv)
SE (1) SE8302029L (sv)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2154323B (en) * 1984-02-14 1987-02-18 Plessey Co Plc Pressure sensor
JPS62183299A (ja) * 1986-02-06 1987-08-11 Kureha Chem Ind Co Ltd 圧電素子および振動センサ
FR2920677B1 (fr) * 2007-09-06 2009-11-27 Peugeot Citroen Automobiles Sa Dispositif accoustique en particulier pour vehicule automobile.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1122386A (en) * 1964-12-16 1968-08-07 Standard Telephones Cables Ltd Improvements in or relating to electromechanical transducers
US3816774A (en) * 1972-01-28 1974-06-11 Victor Company Of Japan Curved piezoelectric elements
GB1383078A (en) * 1972-04-26 1975-02-05 Plessey Co Ltd Piezoelectric transducers
SE361805B (sv) * 1972-08-07 1973-11-12 Ericsson Telefon Ab L M
DE2911917C2 (de) * 1979-03-27 1983-08-11 Sennheiser Electronic Kg, 3002 Wedemark Elektroakustischer Wandler nach dem piezoelektrischen Prinzip

Also Published As

Publication number Publication date
GB8310040D0 (en) 1983-05-18
FR2525062A1 (fr) 1983-10-14
SE8302029D0 (sv) 1983-04-12
DE3313408A1 (de) 1983-10-20
GB2120900A (en) 1983-12-07
JPS58178700A (ja) 1983-10-19

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Legal Events

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NAV Patent application has lapsed

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