FR683552A - Pick-up for gramophones - Google Patents

Pick-up for gramophones

Info

Publication number
FR683552A
FR683552A FR683552DA FR683552A FR 683552 A FR683552 A FR 683552A FR 683552D A FR683552D A FR 683552DA FR 683552 A FR683552 A FR 683552A
Authority
FR
France
Prior art keywords
gramophones
pick
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR683552A publication Critical patent/FR683552A/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
    • H04R11/00—Transducers of moving-armature or moving-core type
    • H04R11/08—Gramophone pick-ups using a stylus; Recorders using a stylus

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR683552D 1928-11-14 1929-10-19 Pick-up for gramophones Expired FR683552A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL683552X 1928-11-14

Publications (1)

Publication Number Publication Date
FR683552A true FR683552A (en) 1930-06-13

Family

ID=19805585

Family Applications (1)

Application Number Title Priority Date Filing Date
FR683552D Expired FR683552A (en) 1928-11-14 1929-10-19 Pick-up for gramophones

Country Status (1)

Country Link
FR (1) FR683552A (en)

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