FR683519A - Pick-up for gramophones or similar devices - Google Patents

Pick-up for gramophones or similar devices

Info

Publication number
FR683519A
FR683519A FR683519DA FR683519A FR 683519 A FR683519 A FR 683519A FR 683519D A FR683519D A FR 683519DA FR 683519 A FR683519 A FR 683519A
Authority
FR
France
Prior art keywords
gramophones
pick
similar devices
similar
devices
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 FR683519A publication Critical patent/FR683519A/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
    • H04R1/16—Mounting or connecting stylus to transducer with or without damping means
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
    • H04R3/08—Circuits for transducers, loudspeakers or microphones for correcting frequency response of electromagnetic transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
FR683519D 1928-11-15 1929-10-18 Pick-up for gramophones or similar devices Expired FR683519A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL43693A NL31923C (en) 1928-11-15 1928-11-15

Publications (1)

Publication Number Publication Date
FR683519A true FR683519A (en) 1930-06-13

Family

ID=40757004

Family Applications (1)

Application Number Title Priority Date Filing Date
FR683519D Expired FR683519A (en) 1928-11-15 1929-10-18 Pick-up for gramophones or similar devices

Country Status (5)

Country Link
BE (1) BE364616A (en)
DE (1) DE590912C (en)
FR (1) FR683519A (en)
GB (1) GB325329A (en)
NL (1) NL31923C (en)

Also Published As

Publication number Publication date
BE364616A (en) 1929-11-30
DE590912C (en) 1934-01-13
GB325329A (en) 1930-02-20
NL31923C (en) 1934-02-15

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