FR1108245A - Lecteur phonographique à plusieurs aiguilles - Google Patents

Lecteur phonographique à plusieurs aiguilles

Info

Publication number
FR1108245A
FR1108245A FR1108245DA FR1108245A FR 1108245 A FR1108245 A FR 1108245A FR 1108245D A FR1108245D A FR 1108245DA FR 1108245 A FR1108245 A FR 1108245A
Authority
FR
France
Prior art keywords
phonographic
player
needle
phonographic player
needle phonographic
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)
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 FR1108245A publication Critical patent/FR1108245A/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
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H04R17/04—Gramophone pick-ups using a stylus; Recorders using a stylus
    • H04R17/06—Gramophone pick-ups using a stylus; Recorders using a stylus comprising two or more styli or transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Moving Of Heads (AREA)
FR1108245D 1953-09-17 1954-09-15 Lecteur phonographique à plusieurs aiguilles Expired FR1108245A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL323037X 1953-09-17

Publications (1)

Publication Number Publication Date
FR1108245A true FR1108245A (fr) 1956-01-10

Family

ID=19784069

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1108245D Expired FR1108245A (fr) 1953-09-17 1954-09-15 Lecteur phonographique à plusieurs aiguilles

Country Status (6)

Country Link
US (1) US3051495A (enrdf_load_stackoverflow)
BE (1) BE531866A (enrdf_load_stackoverflow)
CH (1) CH323037A (enrdf_load_stackoverflow)
DE (1) DE1003966B (enrdf_load_stackoverflow)
FR (1) FR1108245A (enrdf_load_stackoverflow)
GB (1) GB755801A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3245690A (en) * 1963-09-18 1966-04-12 Dorothea M Weitzner Adjustable multi-needle tone arm for phonograph records
US4194744A (en) * 1978-02-01 1980-03-25 Shure Brothers, Incorporated Phonograph pick-up transducer using a one-piece bearing and inertial damper fabricated from different materials

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2554209A (en) * 1945-12-29 1951-05-22 Gen Electric Dual stylus phonograph pickup for multispeed record players
US2658763A (en) * 1948-07-31 1953-11-10 Rca Corp Phonograph pickup device and the like
US2601126A (en) * 1948-11-04 1952-06-17 Astatic Corp Universal phonograph tone arm
US2586362A (en) * 1949-03-11 1952-02-19 Magnavox Co Dual point phonograph pickup stylus
US2639156A (en) * 1949-10-29 1953-05-19 Gen Electric Double-twist phonograph stylus assembly

Also Published As

Publication number Publication date
GB755801A (en) 1956-08-29
DE1003966B (de) 1957-03-07
CH323037A (de) 1957-07-15
US3051495A (en) 1962-08-28
BE531866A (enrdf_load_stackoverflow)

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