FR1409679A - Piezoelectric transducer - Google Patents

Piezoelectric transducer

Info

Publication number
FR1409679A
FR1409679A FR989721A FR989721A FR1409679A FR 1409679 A FR1409679 A FR 1409679A FR 989721 A FR989721 A FR 989721A FR 989721 A FR989721 A FR 989721A FR 1409679 A FR1409679 A FR 1409679A
Authority
FR
France
Prior art keywords
piezoelectric transducer
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.)
Expired
Application number
FR989721A
Other languages
French (fr)
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 and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
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
Priority claimed from DES87645A external-priority patent/DE1294047B/en
Application filed by Siemens and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Priority to FR989721A priority Critical patent/FR1409679A/en
Application granted granted Critical
Publication of FR1409679A publication Critical patent/FR1409679A/en
Expired 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
    • H04R1/08—Mouthpieces; Microphones; Attachments therefor
    • H04R1/083—Special constructions of mouthpieces
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
    • H04R23/006—Transducers other than those covered by groups H04R9/00 - H04R21/00 using solid state devices

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR989721A 1963-09-30 1964-09-29 Piezoelectric transducer Expired FR1409679A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR989721A FR1409679A (en) 1963-09-30 1964-09-29 Piezoelectric transducer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DES87645A DE1294047B (en) 1963-09-30 1963-09-30 Pressure-electrical converter, in particular a microphone, with a semiconductor containing a pn transition
FR989721A FR1409679A (en) 1963-09-30 1964-09-29 Piezoelectric transducer

Publications (1)

Publication Number Publication Date
FR1409679A true FR1409679A (en) 1965-08-27

Family

ID=25997434

Family Applications (1)

Application Number Title Priority Date Filing Date
FR989721A Expired FR1409679A (en) 1963-09-30 1964-09-29 Piezoelectric transducer

Country Status (1)

Country Link
FR (1) FR1409679A (en)

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