FR1027662A - Advanced microphone - Google Patents

Advanced microphone

Info

Publication number
FR1027662A
FR1027662A FR1027662DA FR1027662A FR 1027662 A FR1027662 A FR 1027662A FR 1027662D A FR1027662D A FR 1027662DA FR 1027662 A FR1027662 A FR 1027662A
Authority
FR
France
Prior art keywords
microphone
advanced
advanced microphone
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
Georges Roche
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.)
Sadir Carpentier SA
Original Assignee
Sadir Carpentier SA
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 Sadir Carpentier SA filed Critical Sadir Carpentier SA
Application granted granted Critical
Publication of FR1027662A publication Critical patent/FR1027662A/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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/222—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  for microphones

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR1027662D 1950-11-14 1950-11-14 Advanced microphone Expired FR1027662A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1027662T 1950-11-14

Publications (1)

Publication Number Publication Date
FR1027662A true FR1027662A (en) 1953-05-13

Family

ID=9580801

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1027662D Expired FR1027662A (en) 1950-11-14 1950-11-14 Advanced microphone

Country Status (1)

Country Link
FR (1) FR1027662A (en)

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