FR1024332A - Portable microphone - Google Patents

Portable microphone

Info

Publication number
FR1024332A
FR1024332A FR1024332DA FR1024332A FR 1024332 A FR1024332 A FR 1024332A FR 1024332D A FR1024332D A FR 1024332DA FR 1024332 A FR1024332 A FR 1024332A
Authority
FR
France
Prior art keywords
portable microphone
microphone
portable
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
Maurice Bonnaffous
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.)
APP ET D EXPL DES ETABLISSEMEN
Original Assignee
APP ET D EXPL DES ETABLISSEMEN
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 APP ET D EXPL DES ETABLISSEMEN filed Critical APP ET D EXPL DES ETABLISSEMEN
Application granted granted Critical
Publication of FR1024332A publication Critical patent/FR1024332A/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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR1024332D 1950-09-06 1950-09-06 Portable microphone Expired FR1024332A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1024332T 1950-09-06

Publications (1)

Publication Number Publication Date
FR1024332A true FR1024332A (en) 1953-03-31

Family

ID=9578768

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1024332D Expired FR1024332A (en) 1950-09-06 1950-09-06 Portable microphone

Country Status (1)

Country Link
FR (1) FR1024332A (en)

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