FR1094089A - Speaker Microphone Enhancements - Google Patents

Speaker Microphone Enhancements

Info

Publication number
FR1094089A
FR1094089A FR1094089DA FR1094089A FR 1094089 A FR1094089 A FR 1094089A FR 1094089D A FR1094089D A FR 1094089DA FR 1094089 A FR1094089 A FR 1094089A
Authority
FR
France
Prior art keywords
enhancements
speaker microphone
microphone
speaker
microphone enhancements
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
Claude Visinet Des Presles
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 FR1094089A publication Critical patent/FR1094089A/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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR1094089D 1953-12-18 1953-12-18 Speaker Microphone Enhancements Expired FR1094089A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1094089T 1953-12-18

Publications (1)

Publication Number Publication Date
FR1094089A true FR1094089A (en) 1955-05-11

Family

ID=9616867

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1094089D Expired FR1094089A (en) 1953-12-18 1953-12-18 Speaker Microphone Enhancements

Country Status (1)

Country Link
FR (1) FR1094089A (en)

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