FR795131A - Reproducteur pour phonographes - Google Patents

Reproducteur pour phonographes

Info

Publication number
FR795131A
FR795131A FR795131DA FR795131A FR 795131 A FR795131 A FR 795131A FR 795131D A FR795131D A FR 795131DA FR 795131 A FR795131 A FR 795131A
Authority
FR
France
Prior art keywords
phonographs
reproducer
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.)
Electrical Research Products Inc
Original Assignee
Electrical Research Products Inc
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 Electrical Research Products Inc filed Critical Electrical Research Products Inc
Application granted granted Critical
Publication of FR795131A publication Critical patent/FR795131A/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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/12—Gramophone pick-ups using a stylus; Recorders using a stylus

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Moving Of Heads (AREA)
FR795131D 1934-09-29 1935-09-20 Reproducteur pour phonographes Expired FR795131A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US746028A US2055187A (en) 1934-09-29 1934-09-29 Phonograph reproducer

Publications (1)

Publication Number Publication Date
FR795131A true FR795131A (fr) 1936-03-04

Family

ID=24999198

Family Applications (1)

Application Number Title Priority Date Filing Date
FR795131D Expired FR795131A (fr) 1934-09-29 1935-09-20 Reproducteur pour phonographes

Country Status (3)

Country Link
US (1) US2055187A (fr)
FR (1) FR795131A (fr)
GB (1) GB452955A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2489378A (en) * 1945-03-31 1949-11-29 Zenith Radio Corp Modulated-oscillator type phonograph reproducing system
US2516919A (en) * 1946-06-05 1950-08-01 Atf Inc Electrodynamic phonograph pickup
US2557752A (en) * 1949-07-21 1951-06-19 Gen Electric Phonograph pickup mounting
GB805221A (en) * 1955-05-20 1958-12-03 Garrard Eng & Mfg Co Ltd Improvements in and relating to moving coil pick-ups for gramophones and the like
US3053943A (en) * 1957-07-12 1962-09-11 Columbia Broadcasting Syst Inc Phonograph record cutter
NL224776A (fr) * 1957-12-10

Also Published As

Publication number Publication date
GB452955A (en) 1936-09-02
US2055187A (en) 1936-09-22

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