CH240251A - Piezoelektrischer Schallempfänger. - Google Patents

Piezoelektrischer Schallempfänger.

Info

Publication number
CH240251A
CH240251A CH240251DA CH240251A CH 240251 A CH240251 A CH 240251A CH 240251D A CH240251D A CH 240251DA CH 240251 A CH240251 A CH 240251A
Authority
CH
Switzerland
Prior art keywords
sound receiver
piezoelectric sound
piezoelectric
receiver
sound
Prior art date
Application number
Other languages
English (en)
Inventor
Synton Aktiengesellschaft
Original Assignee
Synton 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 Synton Ag filed Critical Synton Ag
Publication of CH240251A publication Critical patent/CH240251A/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H04R17/02—Microphones

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
CH240251D 1944-07-28 1944-07-28 Piezoelektrischer Schallempfänger. CH240251A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH920129X 1944-07-28

Publications (1)

Publication Number Publication Date
CH240251A true CH240251A (de) 1945-12-15

Family

ID=4548118

Family Applications (1)

Application Number Title Priority Date Filing Date
CH240251D CH240251A (de) 1944-07-28 1944-07-28 Piezoelektrischer Schallempfänger.

Country Status (2)

Country Link
CH (1) CH240251A (de)
FR (1) FR920129A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3202962A (en) * 1959-09-03 1965-08-24 Honeywell Inc Transducer
US4127749A (en) * 1976-09-09 1978-11-28 Matsushita Electric Industrial Co., Ltd. Microphone capable of cancelling mechanical generated noise

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3202962A (en) * 1959-09-03 1965-08-24 Honeywell Inc Transducer
US4127749A (en) * 1976-09-09 1978-11-28 Matsushita Electric Industrial Co., Ltd. Microphone capable of cancelling mechanical generated noise

Also Published As

Publication number Publication date
FR920129A (fr) 1947-03-28

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