AU538420B2 - Dual resonance piezoilectric transducer - Google Patents

Dual resonance piezoilectric transducer

Info

Publication number
AU538420B2
AU538420B2 AU62509/80A AU6250980A AU538420B2 AU 538420 B2 AU538420 B2 AU 538420B2 AU 62509/80 A AU62509/80 A AU 62509/80A AU 6250980 A AU6250980 A AU 6250980A AU 538420 B2 AU538420 B2 AU 538420B2
Authority
AU
Australia
Prior art keywords
piezoilectric
transducer
dual resonance
resonance
dual
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.)
Ceased
Application number
AU62509/80A
Other languages
English (en)
Other versions
AU6250980A (en
Inventor
Klaus Baier
Erwin 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 AU6250980A publication Critical patent/AU6250980A/en
Application granted granted Critical
Publication of AU538420B2 publication Critical patent/AU538420B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • 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 
    • H04R1/225—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  for telephonic receivers
    • 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)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
AU62509/80A 1979-09-19 1980-09-18 Dual resonance piezoilectric transducer Ceased AU538420B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19792937922 DE2937922A1 (de) 1979-09-19 1979-09-19 Piezoelektrischer wandler
DE29379224 1979-09-19

Publications (2)

Publication Number Publication Date
AU6250980A AU6250980A (en) 1981-04-09
AU538420B2 true AU538420B2 (en) 1984-08-16

Family

ID=6081296

Family Applications (1)

Application Number Title Priority Date Filing Date
AU62509/80A Ceased AU538420B2 (en) 1979-09-19 1980-09-18 Dual resonance piezoilectric transducer

Country Status (10)

Country Link
EP (1) EP0025955B1 (de)
JP (1) JPS5651200A (de)
AR (1) AR223549A1 (de)
AT (1) ATE11478T1 (de)
AU (1) AU538420B2 (de)
BR (1) BR8005981A (de)
DE (1) DE2937922A1 (de)
FI (1) FI74183C (de)
GR (1) GR70029B (de)
ZA (1) ZA805775B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU588989B2 (en) * 1986-04-10 1989-09-28 Alcatel Australia Limited An improved transducer

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3131349C2 (de) * 1981-08-07 1983-05-11 Rosenthal Technik Ag, 8672 Selb Piezoelektrischer Dreitongeber
US4413198A (en) * 1981-12-30 1983-11-01 Motorola, Inc. Piezoelectric transducer apparatus
DE3446183A1 (de) * 1984-12-18 1986-06-26 Siemens AG, 1000 Berlin und 8000 München Piezoelektrischer wandler
JPS6295399U (de) * 1985-12-03 1987-06-18
DE4311701C2 (de) * 1993-04-08 1999-08-26 Siemens Ag Anordnung zur Erzeugung von akustischen Signalen, insbesondere Tonrufen in Telekommunikationsgeräten

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB202938A (en) * 1922-02-06 1923-08-07 Signal Gmbh Improvements in acoustic apparatus
DE2119911B2 (de) * 1971-04-23 1973-11-15 Siemens Ag, 1000 Berlin U. 8000 Muenchen Elektroakustischer Wandler, insbe sondere Mikrofon fur Fernsprechanlagen
BE759888A (fr) * 1969-12-05 1971-06-04 Siemens Ag Transducteur electro-acoustique, notamment microphone pour installations telephoniques
GB1370164A (en) * 1972-01-30 1974-10-16 Mullard Ltd Piezoelectric transducer
DE2223531B1 (de) * 1972-05-15 1973-11-08 Siemens Ag Elektroakustischer wandler
US4006371A (en) * 1973-03-19 1977-02-01 Whitewater Electronics, Inc. Electroacoustical transducer comprising piezoelectric element
US4056741A (en) * 1973-04-18 1977-11-01 Airco, Inc. Audible signal generating apparatus having selectively controlled audible output
US3922672A (en) * 1974-03-04 1975-11-25 Mallory & Co Inc P R Audible alarm device
JPS5330296A (en) * 1976-09-01 1978-03-22 Seiko Instr & Electronics Ltd Electro-acoustic transducer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU588989B2 (en) * 1986-04-10 1989-09-28 Alcatel Australia Limited An improved transducer

Also Published As

Publication number Publication date
JPS5651200A (en) 1981-05-08
EP0025955B1 (de) 1985-01-23
ZA805775B (en) 1981-09-30
AR223549A1 (es) 1981-08-31
FI74183C (fi) 1987-12-10
AU6250980A (en) 1981-04-09
DE2937922C2 (de) 1988-11-24
FI74183B (fi) 1987-08-31
GR70029B (de) 1982-07-23
BR8005981A (pt) 1981-03-31
DE2937922A1 (de) 1981-04-09
ATE11478T1 (de) 1985-02-15
EP0025955A1 (de) 1981-04-01
FI802943A (fi) 1981-03-20

Similar Documents

Publication Publication Date Title
AU547016B2 (en) Transducer element
AU543500B2 (en) Piezoelectric transducer
AU531209B2 (en) Acoustic transducer
AU530471B2 (en) Ultrasonic transducer
AU527396B2 (en) Bale-shape gauge
JPS55155248A (en) Transducer
AU531989B2 (en) Coupling elements
GB2060184B (en) Displacement transducer
JPS5657910A (en) Transducer
AU531193B2 (en) Pressure transducer
AU532310B2 (en) Axially directional transducer
AU6497980A (en) Optical position transducer
AU539636B2 (en) Ultrasonic transducer
JPS5677714A (en) Displacement transducer
AU5637080A (en) Electro-acoustic transducer element
DE3062465D1 (en) Linear-displacement transducer
AU540983B2 (en) Electro-acoustic transducers
AU532535B2 (en) Transducer backplate
AU533653B2 (en) Novel mercaptoorganosiloxanes
AU5484080A (en) Electro-mechanical transducer
AU534645B2 (en) Transducer assemblies
AU538420B2 (en) Dual resonance piezoilectric transducer
JPS5683827A (en) Transducer
AU530185B2 (en) Coupling
AU536572B2 (en) Novel mercaptoorganopolysiloxanes