ATE7096T1 - SIGNALING DEVICES TO GENERATE AN ACOUSTIC SIGNAL. - Google Patents

SIGNALING DEVICES TO GENERATE AN ACOUSTIC SIGNAL.

Info

Publication number
ATE7096T1
ATE7096T1 AT81102766T AT81102766T ATE7096T1 AT E7096 T1 ATE7096 T1 AT E7096T1 AT 81102766 T AT81102766 T AT 81102766T AT 81102766 T AT81102766 T AT 81102766T AT E7096 T1 ATE7096 T1 AT E7096T1
Authority
AT
Austria
Prior art keywords
generate
acoustic signal
signaling devices
layer
piezoelectric
Prior art date
Application number
AT81102766T
Other languages
German (de)
Inventor
Manfred Dipl.-Ing. Koslar
Original Assignee
Siemens Aktiengesellschaft
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 Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Application granted granted Critical
Publication of ATE7096T1 publication Critical patent/ATE7096T1/en

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
    • H04R17/10—Resonant transducers, i.e. adapted to produce maximum output at a predetermined frequency

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)

Abstract

Device for generating acoustic signals using as an electromechanical transducer element a piezoelectric quadrangular ceramic plate (1) which is covered on the face opposite to the main layer (9) with a layer having on its center an opening (3) provided for the reactive coupling layer (4).
AT81102766T 1980-04-10 1981-04-10 SIGNALING DEVICES TO GENERATE AN ACOUSTIC SIGNAL. ATE7096T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3013788A DE3013788C2 (en) 1980-04-10 1980-04-10 Piezoceramic disc for a signal generator to generate an acoustic signal
EP81102766A EP0038043B1 (en) 1980-04-10 1981-04-10 Signal generator for obtaining an acoustic signal

Publications (1)

Publication Number Publication Date
ATE7096T1 true ATE7096T1 (en) 1984-04-15

Family

ID=6099671

Family Applications (1)

Application Number Title Priority Date Filing Date
AT81102766T ATE7096T1 (en) 1980-04-10 1981-04-10 SIGNALING DEVICES TO GENERATE AN ACOUSTIC SIGNAL.

Country Status (5)

Country Link
EP (1) EP0038043B1 (en)
JP (1) JPS57500494A (en)
AT (1) ATE7096T1 (en)
DE (1) DE3013788C2 (en)
WO (1) WO1981002963A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3230060C2 (en) * 1981-07-31 1986-07-31 Sumitomo Electric Industries, Ltd., Osaka Piezoelectric buzzer
JPS63314997A (en) * 1987-06-18 1988-12-22 Matsushita Electric Ind Co Ltd Piezo-electric sounding body
US5881021A (en) * 1997-03-10 1999-03-09 Dreamco Enterprises Inc. Quick charge capacitor powered non-interruptible wearable personal security alarm
DE19902875C1 (en) * 1999-01-25 2000-07-20 Ideal Standard Piezoelectric sound transducer for stimulating bathtub wall to radiate sound has housing with thin-walled base that is liable to vibrate, carries piezoelectric element and faces bathtub wall
JP4203899B2 (en) * 2002-06-13 2009-01-07 オムロンヘルスケア株式会社 Electronic thermometer
JP2007028469A (en) * 2005-07-21 2007-02-01 Nec Tokin Corp Acoustic vibration generating element, manufacturing method thereof, and acoustic vibration generating apparatus

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2635199A (en) * 1948-01-08 1953-04-14 John M Wolfskill Piezoelectric crystal apparatus
NL283763A (en) * 1961-09-29
US3495105A (en) * 1967-07-19 1970-02-10 Ngk Spark Plug Co Three-terminal piezoelectric resonator
US3578921A (en) * 1970-01-26 1971-05-18 Sonotone Corp Miniature multiple-diaphragm acoustic mechanoelectric transducer device
CA930211A (en) * 1970-08-20 1973-07-17 Johnson Matthey And Mallory Limited Piezoelectric transducer and noise making device utilizing same
GB1429856A (en) * 1973-03-07 1976-03-31 Taga Electric Co Ltd Transducers
US4122365A (en) * 1976-01-26 1978-10-24 Projects Unlimited, Inc. Piezoelectric buzzer device

Also Published As

Publication number Publication date
EP0038043A1 (en) 1981-10-21
DE3013788C2 (en) 1982-11-25
EP0038043B1 (en) 1984-04-11
WO1981002963A1 (en) 1981-10-15
DE3013788A1 (en) 1981-10-15
JPS57500494A (en) 1982-03-18

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