FR923546A - Perfectionnement aux aiguilles pour appareils reproducteurs de son - Google Patents

Perfectionnement aux aiguilles pour appareils reproducteurs de son

Info

Publication number
FR923546A
FR923546A FR923546DA FR923546A FR 923546 A FR923546 A FR 923546A FR 923546D A FR923546D A FR 923546DA FR 923546 A FR923546 A FR 923546A
Authority
FR
France
Prior art keywords
needles
improvement
sound reproduction
reproduction systems
systems
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.)
Decca Record Co Ltd
Original Assignee
Decca Record Co Ltd
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 Decca Record Co Ltd filed Critical Decca Record Co Ltd
Application granted granted Critical
Publication of FR923546A publication Critical patent/FR923546A/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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
FR923546D 1944-12-01 1946-03-11 Perfectionnement aux aiguilles pour appareils reproducteurs de son Expired FR923546A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB258353X 1944-12-01

Publications (1)

Publication Number Publication Date
FR923546A true FR923546A (fr) 1947-07-09

Family

ID=10234112

Family Applications (1)

Application Number Title Priority Date Filing Date
FR923546D Expired FR923546A (fr) 1944-12-01 1946-03-11 Perfectionnement aux aiguilles pour appareils reproducteurs de son

Country Status (3)

Country Link
CH (1) CH258353A (xx)
FR (1) FR923546A (xx)
NL (1) NL73294C (xx)

Also Published As

Publication number Publication date
CH258353A (de) 1948-11-30
NL73294C (xx)

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