FR990614A - Tube microphone - Google Patents

Tube microphone

Info

Publication number
FR990614A
FR990614A FR990614DA FR990614A FR 990614 A FR990614 A FR 990614A FR 990614D A FR990614D A FR 990614DA FR 990614 A FR990614 A FR 990614A
Authority
FR
France
Prior art keywords
tube microphone
microphone
tube
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)
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.)
LAB WENNEBOSTEL
Original Assignee
LAB WENNEBOSTEL
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 LAB WENNEBOSTEL filed Critical LAB WENNEBOSTEL
Application granted granted Critical
Publication of FR990614A publication Critical patent/FR990614A/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
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/342—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for microphones

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR990614D 1949-07-15 1949-07-15 Tube microphone Expired FR990614A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR990614T 1949-07-15

Publications (1)

Publication Number Publication Date
FR990614A true FR990614A (en) 1951-09-24

Family

ID=9545575

Family Applications (1)

Application Number Title Priority Date Filing Date
FR990614D Expired FR990614A (en) 1949-07-15 1949-07-15 Tube microphone

Country Status (1)

Country Link
FR (1) FR990614A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3014099A (en) * 1955-01-10 1961-12-19 Fiala Walter Electroacoustic transducer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3014099A (en) * 1955-01-10 1961-12-19 Fiala Walter Electroacoustic transducer

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