EP0104457A3 - Piezoelektrischer Wandler - Google Patents

Piezoelektrischer Wandler Download PDF

Info

Publication number
EP0104457A3
EP0104457A3 EP83108429A EP83108429A EP0104457A3 EP 0104457 A3 EP0104457 A3 EP 0104457A3 EP 83108429 A EP83108429 A EP 83108429A EP 83108429 A EP83108429 A EP 83108429A EP 0104457 A3 EP0104457 A3 EP 0104457A3
Authority
EP
European Patent Office
Prior art keywords
plate
ceramic
thickness
diameter
piezoelectric transducer
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP83108429A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0104457A2 (de
Inventor
Erwin Dipl.-Ing. Martin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
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 EP0104457A2 publication Critical patent/EP0104457A2/de
Publication of EP0104457A3 publication Critical patent/EP0104457A3/de
Withdrawn legal-status Critical Current

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)
EP83108429A 1982-08-30 1983-08-26 Piezoelektrischer Wandler Withdrawn EP0104457A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19823232177 DE3232177A1 (de) 1982-08-30 1982-08-30 Piezoelektrischer wandler
DE3232177 1982-08-30

Publications (2)

Publication Number Publication Date
EP0104457A2 EP0104457A2 (de) 1984-04-04
EP0104457A3 true EP0104457A3 (de) 1986-01-29

Family

ID=6172020

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83108429A Withdrawn EP0104457A3 (de) 1982-08-30 1983-08-26 Piezoelektrischer Wandler

Country Status (10)

Country Link
US (1) US4494032A (cs)
EP (1) EP0104457A3 (cs)
JP (1) JPS5957600A (cs)
AR (1) AR230356A1 (cs)
AU (1) AU1850383A (cs)
BR (1) BR8304684A (cs)
DE (1) DE3232177A1 (cs)
FI (1) FI833065L (cs)
GR (1) GR79371B (cs)
IN (1) IN158400B (cs)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4550797A (en) * 1983-01-17 1985-11-05 Victor Company Of Japan Loudspeaker diaphragm made of a molded, sintered ceramic body
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
EP0451306B1 (de) * 1990-04-09 1997-07-16 Siemens Aktiengesellschaft 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
US9070355B2 (en) * 2012-09-26 2015-06-30 Kyocera Corporation Acoustic generator, acoustic generation device, and electronic device
KR20240119708A (ko) * 2023-01-30 2024-08-06 엘지디스플레이 주식회사 장치

Citations (4)

* 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
DE2831401A1 (de) * 1978-07-17 1980-01-31 Siemens Ag Elektroakustischer wandler
EP0007435A1 (de) * 1978-07-17 1980-02-06 Siemens Aktiengesellschaft Elektroakustischer Wandler
EP0034730A1 (de) * 1980-02-15 1981-09-02 Siemens Aktiengesellschaft Wandlerplatte für piezoelektrische Wandler

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US4190782A (en) * 1978-07-24 1980-02-26 Telex Communications, Inc. Piezoelectric ceramic resonant transducer with stable frequency
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
DE3107344A1 (de) * 1981-02-26 1982-11-18 Siemens AG, 1000 Berlin und 8000 München Anordnung zur frequenzgangverbesserung von elektroakustischen wandlern
DE3107293C2 (de) * 1981-02-26 1987-05-14 Siemens AG, 1000 Berlin und 8000 München Anordnung zur Frequenzgangverbesserung für elektroakustische Wandler

Patent Citations (4)

* 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
DE2831401A1 (de) * 1978-07-17 1980-01-31 Siemens Ag Elektroakustischer wandler
EP0007435A1 (de) * 1978-07-17 1980-02-06 Siemens Aktiengesellschaft Elektroakustischer Wandler
EP0034730A1 (de) * 1980-02-15 1981-09-02 Siemens Aktiengesellschaft Wandlerplatte für piezoelektrische Wandler

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
ELECTRO-TECHNOLOGY, Band 85, Nr. 1, Januar 1970, Seiten 33-38, New York, US; D. BERLINCOURT: "Piezoelectric transducers" *
JOURNAL OF ELECTRONIC ENGINEERING, Band 19, Nr. 185, Mai 1982, Seiten 35-37, Tokio, JP; TADASHI TAKAYA: "Role of piezoelectric speakers in the speech synthesis era" *

Also Published As

Publication number Publication date
GR79371B (cs) 1984-10-22
US4494032A (en) 1985-01-15
EP0104457A2 (de) 1984-04-04
FI833065A0 (fi) 1983-08-29
DE3232177A1 (de) 1984-03-01
IN158400B (cs) 1986-11-08
AU1850383A (en) 1984-03-08
FI833065A7 (fi) 1984-03-01
BR8304684A (pt) 1984-04-10
AR230356A1 (es) 1984-03-01
JPS5957600A (ja) 1984-04-03
FI833065L (fi) 1984-03-01

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): BE IT NL

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Designated state(s): BE IT NL

17P Request for examination filed

Effective date: 19860919

17Q First examination report despatched

Effective date: 19871208

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19880301

RIN1 Information on inventor provided before grant (corrected)

Inventor name: MARTIN, ERWIN, DIPL.-ING.