GR79371B - - Google Patents

Info

Publication number
GR79371B
GR79371B GR72312A GR830172312A GR79371B GR 79371 B GR79371 B GR 79371B GR 72312 A GR72312 A GR 72312A GR 830172312 A GR830172312 A GR 830172312A GR 79371 B GR79371 B GR 79371B
Authority
GR
Greece
Application number
GR72312A
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of GR79371B publication Critical patent/GR79371B/el

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
    • 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
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • 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
    • H04R17/10—Resonant transducers, i.e. adapted to produce maximum output at a predetermined frequency
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Telephone Set Structure (AREA)
  • Transducers For Ultrasonic Waves (AREA)
GR72312A 1982-08-30 1983-08-29 GR79371B (el)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19823232177 DE3232177A1 (de) 1982-08-30 1982-08-30 Piezoelektrischer wandler

Publications (1)

Publication Number Publication Date
GR79371B true GR79371B (el) 1984-10-22

Family

ID=6172020

Family Applications (1)

Application Number Title Priority Date Filing Date
GR72312A GR79371B (el) 1982-08-30 1983-08-29

Country Status (10)

Country Link
US (1) US4494032A (el)
EP (1) EP0104457A3 (el)
JP (1) JPS5957600A (el)
AR (1) AR230356A1 (el)
AU (1) AU1850383A (el)
BR (1) BR8304684A (el)
DE (1) DE3232177A1 (el)
FI (1) FI833065A (el)
GR (1) GR79371B (el)
IN (1) IN158400B (el)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2134748B (en) * 1983-01-17 1986-06-25 Victor Company Of Japan Loudspeaker diaphragm
DE3510346A1 (de) * 1985-03-22 1986-10-02 Fernsprech- und Signalbau KG Schüler & Vershoven, 4300 Essen Dynamischer, akustischer wandler
DE3702378A1 (de) * 1987-01-27 1988-08-04 Siemens Ag Piezoelektrischer wandler fuer schwerhoerige
DE3718018A1 (de) * 1987-05-27 1988-12-08 Diehl Gmbh & Co Elektronischer akustischer signalgeber
DE3825973A1 (de) * 1988-07-29 1990-02-01 Siemens Ag Elektroakustischer einheitswandler
ATE155601T1 (de) * 1990-04-09 1997-08-15 Siemens Ag Frequenzselektiver ultraschall-schichtwandler
US5363452A (en) * 1992-05-19 1994-11-08 Shure Brothers, Inc. Microphone for use in a vibrating environment
KR100554874B1 (ko) * 2004-01-02 2006-02-24 (주)오리엔트텔레콤 압전 스피커
WO2012096048A1 (ja) * 2011-01-14 2012-07-19 株式会社村田製作所 圧電振動部品
CN104081791B (zh) * 2012-09-26 2017-03-08 京瓷株式会社 音响发生器、音响发生装置以及电子设备

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1299724B (de) * 1966-10-21 1969-07-24 Siemens Ag Mikrophonkapsel mit einem piezoelektrischen Wandlerelement und einem Transistorverstaerker
US3761956A (en) * 1970-10-01 1973-09-25 Nittan Co Ltd Sound generating device
US3708702A (en) * 1970-12-02 1973-01-02 Siemens Ag Electroacoustic transducer
GB1402290A (en) * 1971-12-29 1975-08-06 Sumitomo Electric Industries Piezo-electric acoustic device
US4156156A (en) * 1977-08-18 1979-05-22 P. R. Mallory & Co. Inc. Method for reducing the resonant frequency of a piezoelectric transducer
DE2831401A1 (de) * 1978-07-17 1980-01-31 Siemens Ag Elektroakustischer wandler
DE2831377A1 (de) * 1978-07-17 1980-01-31 Siemens Ag Elektroakustischer wandler
US4190782A (en) * 1978-07-24 1980-02-26 Telex Communications, Inc. Piezoelectric ceramic resonant transducer with stable frequency
DE3005708C2 (de) * 1980-02-15 1984-08-30 Siemens AG, 1000 Berlin und 8000 München Wandlerplatte für piezoelektrische Wandler
DE3007808A1 (de) * 1980-02-29 1981-09-10 Siemens AG, 1000 Berlin und 8000 München Elektroakustischer wandler
JPS56140282A (en) * 1980-04-03 1981-11-02 Sharp Corp Electronic wristwatch with vocal information
DE3107293A1 (de) * 1981-02-26 1982-09-09 Siemens AG, 1000 Berlin und 8000 München Anordnung zur frequenzgangverbesserung fuer elektroakustische wandler
DE3107344A1 (de) * 1981-02-26 1982-11-18 Siemens AG, 1000 Berlin und 8000 München Anordnung zur frequenzgangverbesserung von elektroakustischen wandlern

Also Published As

Publication number Publication date
AR230356A1 (es) 1984-03-01
AU1850383A (en) 1984-03-08
FI833065A (fi) 1984-03-01
BR8304684A (pt) 1984-04-10
US4494032A (en) 1985-01-15
IN158400B (el) 1986-11-08
FI833065A0 (fi) 1983-08-29
EP0104457A3 (de) 1986-01-29
JPS5957600A (ja) 1984-04-03
DE3232177A1 (de) 1984-03-01
EP0104457A2 (de) 1984-04-04

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