FR479153A - Microphone for remote transmission of phonographic reproductions - Google Patents

Microphone for remote transmission of phonographic reproductions

Info

Publication number
FR479153A
FR479153A FR479153DA FR479153A FR 479153 A FR479153 A FR 479153A FR 479153D A FR479153D A FR 479153DA FR 479153 A FR479153 A FR 479153A
Authority
FR
France
Prior art keywords
phonographic
reproductions
microphone
remote transmission
remote
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
Valdemar Bendixen Kragh
Axel Meyer
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR479153A publication Critical patent/FR479153A/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
    • H04R21/00—Variable-resistance transducers
    • H04R21/02—Microphones
    • H04R21/021—Microphones with granular resistance material

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR479153D 1913-10-16 1914-11-05 Microphone for remote transmission of phonographic reproductions Expired FR479153A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK479153X 1913-10-16

Publications (1)

Publication Number Publication Date
FR479153A true FR479153A (en) 1916-02-23

Family

ID=1516576

Family Applications (1)

Application Number Title Priority Date Filing Date
FR479153D Expired FR479153A (en) 1913-10-16 1914-11-05 Microphone for remote transmission of phonographic reproductions

Country Status (1)

Country Link
FR (1) FR479153A (en)

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