FR871296A - Laryngophone piézo-électrique - Google Patents

Laryngophone piézo-électrique

Info

Publication number
FR871296A
FR871296A FR871296DA FR871296A FR 871296 A FR871296 A FR 871296A FR 871296D A FR871296D A FR 871296DA FR 871296 A FR871296 A FR 871296A
Authority
FR
France
Prior art keywords
laryngophone
piezoelectric
piezoelectric laryngophone
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
Other languages
English (en)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR871296A publication Critical patent/FR871296A/fr
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
    • H04R1/14—Throat mountings for microphones
    • 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
    • H04R1/46—Special adaptations for use as contact microphones, e.g. on musical instrument, on stethoscope
    • 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
    • H04R17/02—Microphones

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
FR871296D 1939-08-07 1941-04-03 Laryngophone piézo-électrique Expired FR871296A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE871296X 1939-08-07

Publications (1)

Publication Number Publication Date
FR871296A true FR871296A (fr) 1942-04-17

Family

ID=3869656

Family Applications (1)

Application Number Title Priority Date Filing Date
FR871296D Expired FR871296A (fr) 1939-08-07 1941-04-03 Laryngophone piézo-électrique

Country Status (2)

Country Link
BE (1) BE440483A (fr)
FR (1) FR871296A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH664659A5 (en) * 1987-03-14 1988-03-15 Erwin Meister Throat microphone with round bracket with tongue at one end - contg. round piezoelectric resonator as transducer and sound damping parts

Also Published As

Publication number Publication date
BE440483A (fr) 1941-03-31

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