FR324950A - Membrane multiple pour phonographes, etc. - Google Patents

Membrane multiple pour phonographes, etc.

Info

Publication number
FR324950A
FR324950A FR324950DA FR324950A FR 324950 A FR324950 A FR 324950A FR 324950D A FR324950D A FR 324950DA FR 324950 A FR324950 A FR 324950A
Authority
FR
France
Prior art keywords
phonographs
multiple diaphragm
diaphragm
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)
Inventor
Haase Paul
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 FR324950A publication Critical patent/FR324950A/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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR324950D 1902-10-04 1902-10-04 Membrane multiple pour phonographes, etc. Expired FR324950A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR324950T 1902-10-04

Publications (1)

Publication Number Publication Date
FR324950A true FR324950A (fr) 1903-04-15

Family

ID=1375150

Family Applications (1)

Application Number Title Priority Date Filing Date
FR324950D Expired FR324950A (fr) 1902-10-04 1902-10-04 Membrane multiple pour phonographes, etc.

Country Status (1)

Country Link
FR (1) FR324950A (fr)

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