FR1136866A - Perfectionnement aux microphones - Google Patents

Perfectionnement aux microphones

Info

Publication number
FR1136866A
FR1136866A FR1136866DA FR1136866A FR 1136866 A FR1136866 A FR 1136866A FR 1136866D A FR1136866D A FR 1136866DA FR 1136866 A FR1136866 A FR 1136866A
Authority
FR
France
Prior art keywords
microphone
development
microphone development
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.)
Melodium S A
Original Assignee
Melodium S A
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 Melodium S A filed Critical Melodium S A
Application granted granted Critical
Publication of FR1136866A publication Critical patent/FR1136866A/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
    • H04R1/20—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)
FR1136866D 1955-10-01 1955-10-01 Perfectionnement aux microphones Expired FR1136866A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1136866T 1955-10-01

Publications (1)

Publication Number Publication Date
FR1136866A true FR1136866A (fr) 1957-05-21

Family

ID=9640411

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1136866D Expired FR1136866A (fr) 1955-10-01 1955-10-01 Perfectionnement aux microphones

Country Status (1)

Country Link
FR (1) FR1136866A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3073916A (en) * 1958-11-24 1963-01-15 Muter Company Blast-proof water-proof loudspeaker

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3073916A (en) * 1958-11-24 1963-01-15 Muter Company Blast-proof water-proof loudspeaker

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