FR939955A - Perfectionnements apportés aux aiguilles de machines parlantes - Google Patents

Perfectionnements apportés aux aiguilles de machines parlantes

Info

Publication number
FR939955A
FR939955A FR939955DA FR939955A FR 939955 A FR939955 A FR 939955A FR 939955D A FR939955D A FR 939955DA FR 939955 A FR939955 A FR 939955A
Authority
FR
France
Prior art keywords
needles
improvements made
speaking machines
speaking
machines
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.)
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 FR939955A publication Critical patent/FR939955A/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
    • H04R1/16—Mounting or connecting stylus to transducer with or without damping means

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR939955D 1946-02-07 1947-01-25 Perfectionnements apportés aux aiguilles de machines parlantes Expired FR939955A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH939955X 1946-02-07

Publications (1)

Publication Number Publication Date
FR939955A true FR939955A (fr) 1948-11-30

Family

ID=4549335

Family Applications (1)

Application Number Title Priority Date Filing Date
FR939955D Expired FR939955A (fr) 1946-02-07 1947-01-25 Perfectionnements apportés aux aiguilles de machines parlantes

Country Status (1)

Country Link
FR (1) FR939955A (fr)

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