FR783609A - Microphone perfectionné - Google Patents

Microphone perfectionné

Info

Publication number
FR783609A
FR783609A FR783609DA FR783609A FR 783609 A FR783609 A FR 783609A FR 783609D A FR783609D A FR 783609DA FR 783609 A FR783609 A FR 783609A
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
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.)
LAILLIER ETS
Original Assignee
LAILLIER ETS
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 LAILLIER ETS filed Critical LAILLIER ETS
Application granted granted Critical
Publication of FR783609A publication Critical patent/FR783609A/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; 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)
FR783609D 1935-01-02 1935-01-02 Microphone perfectionné Expired FR783609A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR783609T 1935-01-02

Publications (1)

Publication Number Publication Date
FR783609A true FR783609A (fr) 1935-07-17

Family

ID=9216439

Family Applications (1)

Application Number Title Priority Date Filing Date
FR783609D Expired FR783609A (fr) 1935-01-02 1935-01-02 Microphone perfectionné

Country Status (1)

Country Link
FR (1) FR783609A (fr)

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