FR890715A - Improvement in shot microphones - Google Patents

Improvement in shot microphones

Info

Publication number
FR890715A
FR890715A FR890715DA FR890715A FR 890715 A FR890715 A FR 890715A FR 890715D A FR890715D A FR 890715DA FR 890715 A FR890715 A FR 890715A
Authority
FR
France
Prior art keywords
microphones
shot
improvement
shot microphones
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
French (fr)
Inventor
Francois-Jules-Marce Blanchard
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 filed Critical
Application granted granted Critical
Publication of FR890715A publication Critical patent/FR890715A/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
    • H04R21/00—Variable-resistance transducers
    • H04R21/02—Microphones
    • H04R21/021—Microphones with granular resistance material

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR890715D 1942-10-16 1942-10-16 Improvement in shot microphones Expired FR890715A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR890715T 1942-10-16

Publications (1)

Publication Number Publication Date
FR890715A true FR890715A (en) 1944-02-16

Family

ID=9382201

Family Applications (1)

Application Number Title Priority Date Filing Date
FR890715D Expired FR890715A (en) 1942-10-16 1942-10-16 Improvement in shot microphones

Country Status (1)

Country Link
FR (1) FR890715A (en)

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