FR906858A - Electrodynamic reader for electric phonograph - Google Patents

Electrodynamic reader for electric phonograph

Info

Publication number
FR906858A
FR906858A FR906858DA FR906858A FR 906858 A FR906858 A FR 906858A FR 906858D A FR906858D A FR 906858DA FR 906858 A FR906858 A FR 906858A
Authority
FR
France
Prior art keywords
electrodynamic
reader
electric phonograph
phonograph
electric
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 FR906858A publication Critical patent/FR906858A/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
    • 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)
  • Impression-Transfer Materials And Handling Thereof (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
FR906858D 1943-07-09 1944-08-29 Electrodynamic reader for electric phonograph Expired FR906858A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL245733X 1943-07-09

Publications (1)

Publication Number Publication Date
FR906858A true FR906858A (en) 1946-02-22

Family

ID=19780826

Family Applications (1)

Application Number Title Priority Date Filing Date
FR906858D Expired FR906858A (en) 1943-07-09 1944-08-29 Electrodynamic reader for electric phonograph

Country Status (6)

Country Link
US (1) US2509968A (en)
BE (1) BE457138A (en)
CH (1) CH245733A (en)
DE (1) DE847355C (en)
FR (1) FR906858A (en)
GB (1) GB619182A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2858375A (en) * 1955-10-11 1958-10-28 Rca Corp Wide range dynamic phonograph pickup

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1689339A (en) * 1923-12-15 1928-10-30 Western Electric Co Energy-translation system
US1785047A (en) * 1927-09-14 1930-12-16 Rca Corp Method and means for cutting phonograph records
GB384531A (en) * 1931-04-22 1932-12-08 Paillard & Cie Sa E Improvements in or relating to gramophone pick-ups
US2025388A (en) * 1934-09-05 1935-12-24 Bell Telephone Labor Inc Sound reproducing system
NL61306C (en) * 1937-10-07
US2290057A (en) * 1938-09-12 1942-07-14 Jr Theodore Lindenberg Sound recording and reproducing mechanism

Also Published As

Publication number Publication date
BE457138A (en)
CH245733A (en) 1946-11-30
DE847355C (en) 1952-08-25
US2509968A (en) 1950-05-30
GB619182A (en) 1949-03-04

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