FI962386A0 - Elektroakustisk omvandlare - Google Patents

Elektroakustisk omvandlare

Info

Publication number
FI962386A0
FI962386A0 FI962386A FI962386A FI962386A0 FI 962386 A0 FI962386 A0 FI 962386A0 FI 962386 A FI962386 A FI 962386A FI 962386 A FI962386 A FI 962386A FI 962386 A0 FI962386 A0 FI 962386A0
Authority
FI
Finland
Prior art keywords
transducer
electroacoustic
inductance
energy
omvandlare
Prior art date
Application number
FI962386A
Other languages
English (en)
Finnish (fi)
Inventor
Kari Johannes Pirk Kirjavainen
Original Assignee
Kari Johannes Pirk Kirjavainen
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 Kari Johannes Pirk Kirjavainen filed Critical Kari Johannes Pirk Kirjavainen
Priority to FI962386A priority Critical patent/FI962386A0/fi
Publication of FI962386A0 publication Critical patent/FI962386A0/fi
Priority to JP50124598A priority patent/JP3632978B2/ja
Priority to PT97925087T priority patent/PT903058E/pt
Priority to DK97925087T priority patent/DK0903058T3/da
Priority to AU30350/97A priority patent/AU3035097A/en
Priority to US09/202,002 priority patent/US6570818B1/en
Priority to CA002257447A priority patent/CA2257447A1/en
Priority to AT97925087T priority patent/ATE218027T1/de
Priority to EP97925087A priority patent/EP0903058B1/en
Priority to PCT/FI1997/000354 priority patent/WO1997048253A1/en
Priority to ES97925087T priority patent/ES2175412T3/es
Priority to DE69712755T priority patent/DE69712755T2/de
Priority to NO19985719A priority patent/NO312800B1/no

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
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S367/00—Communications, electrical: acoustic wave systems and devices
    • Y10S367/903—Transmit-receive circuitry

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Measuring Fluid Pressure (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
FI962386A 1996-06-07 1996-06-07 Elektroakustisk omvandlare FI962386A0 (fi)

Priority Applications (13)

Application Number Priority Date Filing Date Title
FI962386A FI962386A0 (fi) 1996-06-07 1996-06-07 Elektroakustisk omvandlare
DE69712755T DE69712755T2 (de) 1996-06-07 1997-06-06 Elektroakustischer wandler
AU30350/97A AU3035097A (en) 1996-06-07 1997-06-06 Electroacoustic transducer
PT97925087T PT903058E (pt) 1996-06-07 1997-06-06 Transdutor electroacustico
DK97925087T DK0903058T3 (da) 1996-06-07 1997-06-06 Elektroakustisk transducer
JP50124598A JP3632978B2 (ja) 1996-06-07 1997-06-06 電気音響変換器
US09/202,002 US6570818B1 (en) 1996-06-07 1997-06-06 Electroacoustic transducer
CA002257447A CA2257447A1 (en) 1996-06-07 1997-06-06 Electroacoustic transducer
AT97925087T ATE218027T1 (de) 1996-06-07 1997-06-06 Elektroakustischer wandler
EP97925087A EP0903058B1 (en) 1996-06-07 1997-06-06 Electroacoustic transducer
PCT/FI1997/000354 WO1997048253A1 (en) 1996-06-07 1997-06-06 Electroacoustic transducer
ES97925087T ES2175412T3 (es) 1996-06-07 1997-06-06 Transductor electroacustico.
NO19985719A NO312800B1 (no) 1996-06-07 1998-12-07 Elektroakustisk transducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI962386A FI962386A0 (fi) 1996-06-07 1996-06-07 Elektroakustisk omvandlare

Publications (1)

Publication Number Publication Date
FI962386A0 true FI962386A0 (fi) 1996-06-07

Family

ID=8546167

Family Applications (1)

Application Number Title Priority Date Filing Date
FI962386A FI962386A0 (fi) 1996-06-07 1996-06-07 Elektroakustisk omvandlare

Country Status (13)

Country Link
US (1) US6570818B1 (da)
EP (1) EP0903058B1 (da)
JP (1) JP3632978B2 (da)
AT (1) ATE218027T1 (da)
AU (1) AU3035097A (da)
CA (1) CA2257447A1 (da)
DE (1) DE69712755T2 (da)
DK (1) DK0903058T3 (da)
ES (1) ES2175412T3 (da)
FI (1) FI962386A0 (da)
NO (1) NO312800B1 (da)
PT (1) PT903058E (da)
WO (1) WO1997048253A1 (da)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1320927B1 (en) * 2000-07-11 2008-09-10 American Technology Corporation Power amplification for parametric loudspeakers
FI118622B (fi) 2002-01-17 2008-01-15 Band Oy B Soittimen muunnin ja menetelmä sen valmistamiseksi
JP4116930B2 (ja) * 2003-06-03 2008-07-09 古野電気株式会社 超音波送信装置、超音波送受信装置、および探知装置
US9794703B2 (en) 2014-06-27 2017-10-17 Cochlear Limited Low-power active bone conduction devices
JP6528391B2 (ja) * 2014-11-25 2019-06-12 セイコーエプソン株式会社 液体吐出装置、ヘッドユニット、容量性負荷駆動用集積回路装置および容量性負荷駆動回路

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3786495A (en) 1972-05-17 1974-01-15 Ncr Stored charge transducer
DE2357499C3 (de) * 1973-11-17 1979-03-01 Standard Elektrik Lorenz Ag, 7000 Stuttgart Ultraschallsender zur Fernbedienung von Rundfunk- und Fernsehempfängern
GB1499575A (en) 1974-09-11 1978-02-01 Seiko Instr & Electronics Electronic buzzers
NL7802688A (nl) 1978-03-13 1979-09-17 Philips Nv Inrichting voor het omzetten van akoestische in elektrische trillingen en omgekeerd, voor- zien van tenminste een kondensator elektreet- element aangesloten op een elektronische schakeling.
US4207442A (en) * 1978-05-15 1980-06-10 Freeman Miller L Driver circuit for electrostatic transducers
DE3048632A1 (de) 1980-12-23 1982-07-22 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung fuer piezoelektrisches stellglied und dergleichen
JPH083528B2 (ja) * 1986-07-15 1996-01-17 株式会社日立製作所 超音波装置
US4817066A (en) * 1985-10-09 1989-03-28 Hitachi, Ltd Transmitter/receiver for ultrasonic diagnostic system
JPS62155698A (ja) 1985-12-27 1987-07-10 Nippon Atsudenki Kk 容量性拡声器の省電力駆動装置
US5161128A (en) 1990-11-30 1992-11-03 Ultrasonic Arrays, Inc. Capacitive transducer system and method
GB2296365B (en) 1993-08-16 1997-01-15 Fulleon Synchrobell Ltd Sounder

Also Published As

Publication number Publication date
WO1997048253A1 (en) 1997-12-18
DE69712755T2 (de) 2002-11-21
NO985719D0 (no) 1998-12-07
DK0903058T3 (da) 2002-08-26
EP0903058A1 (en) 1999-03-24
CA2257447A1 (en) 1997-12-18
NO312800B1 (no) 2002-07-01
JP3632978B2 (ja) 2005-03-30
US6570818B1 (en) 2003-05-27
JP2000512104A (ja) 2000-09-12
DE69712755D1 (de) 2002-06-27
PT903058E (pt) 2002-09-30
AU3035097A (en) 1998-01-07
ES2175412T3 (es) 2002-11-16
ATE218027T1 (de) 2002-06-15
NO985719L (no) 1999-02-05
EP0903058B1 (en) 2002-05-22

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Legal Events

Date Code Title Description
FD Application lapsed