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FR901525A - Improvements in phonographic record reproduction apparatus - Google Patents

Improvements in phonographic record reproduction apparatus

Info

Publication number
FR901525A
FR901525A FR901525DA FR901525A FR 901525 A FR901525 A FR 901525A FR 901525D A FR901525D A FR 901525DA FR 901525 A FR901525 A FR 901525A
Authority
FR
France
Prior art keywords
reproduction apparatus
record reproduction
phonographic record
phonographic
reproduction
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 FR901525A publication Critical patent/FR901525A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/02—Arrangements of heads
    • G11B3/08—Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers
FR901525D 1943-01-27 1944-01-25 Improvements in phonographic record reproduction apparatus Expired FR901525A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL901525X 1943-01-27

Publications (1)

Publication Number Publication Date
FR901525A true FR901525A (en) 1945-07-30

Family

ID=19858312

Family Applications (1)

Application Number Title Priority Date Filing Date
FR901525D Expired FR901525A (en) 1943-01-27 1944-01-25 Improvements in phonographic record reproduction apparatus

Country Status (1)

Country Link
FR (1) FR901525A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2900192A (en) * 1953-07-10 1959-08-18 Herman H Mueller Tone arm control for the fully automatic or manually controlled playing of intermixed records
DE1080315B (en) * 1951-05-12 1960-04-21 Hans Christian Hansen Scanning device for records of different diameters

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1080315B (en) * 1951-05-12 1960-04-21 Hans Christian Hansen Scanning device for records of different diameters
US2900192A (en) * 1953-07-10 1959-08-18 Herman H Mueller Tone arm control for the fully automatic or manually controlled playing of intermixed records

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