CH218129A - Electromechanical conversion device provided with piezoelectric elements. - Google Patents

Electromechanical conversion device provided with piezoelectric elements.

Info

Publication number
CH218129A
CH218129A CH218129DA CH218129A CH 218129 A CH218129 A CH 218129A CH 218129D A CH218129D A CH 218129DA CH 218129 A CH218129 A CH 218129A
Authority
CH
Switzerland
Prior art keywords
conversion device
device provided
piezoelectric elements
electromechanical conversion
electromechanical
Prior art date
Application number
Other languages
German (de)
Inventor
Haftung Licentia Beschraenkter
Original Assignee
Licentia Gmbh
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 Licentia Gmbh filed Critical Licentia Gmbh
Publication of CH218129A publication Critical patent/CH218129A/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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
CH218129D 1940-04-20 1941-04-15 Electromechanical conversion device provided with piezoelectric elements. CH218129A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE218129X 1940-04-20

Publications (1)

Publication Number Publication Date
CH218129A true CH218129A (en) 1941-11-30

Family

ID=5831121

Family Applications (1)

Application Number Title Priority Date Filing Date
CH218129D CH218129A (en) 1940-04-20 1941-04-15 Electromechanical conversion device provided with piezoelectric elements.

Country Status (4)

Country Link
US (1) US2368609A (en)
CH (1) CH218129A (en)
DE (1) DE946820C (en)
FR (2) FR871634A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2594841A (en) * 1945-08-11 1952-04-29 Brush Dev Co Piezoelectric transducer with pushpull and feedback circuit
US2978597A (en) * 1956-03-14 1961-04-04 Harris Transducer Corp Circuit element transducer
FR1213677A (en) * 1958-09-27 1960-04-04 Realisations Ultrasoniques Sa Enhancements to magnetostriction transducers
US3321648A (en) * 1964-06-04 1967-05-23 Sonus Corp Piezoelectric filter element
CH492968A (en) * 1968-07-30 1970-06-30 Kistler Instrumente Ag Process for the production of piezoelectric measuring cells and measuring cell obtained by the process

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB409040A (en) * 1932-11-01 1934-04-26 Brush Dev Co Improvements in or relating to piezo electric microphones or speakers

Also Published As

Publication number Publication date
FR51579E (en) 1943-02-05
FR871634A (en) 1942-05-02
DE946820C (en) 1956-08-09
US2368609A (en) 1945-01-30

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