FR528217A - Improvements to gramophones and analogues - Google Patents

Improvements to gramophones and analogues

Info

Publication number
FR528217A
FR528217A FR528217A FR528217DA FR528217A FR 528217 A FR528217 A FR 528217A FR 528217 A FR528217 A FR 528217A FR 528217D A FR528217D A FR 528217DA FR 528217 A FR528217 A FR 528217A
Authority
FR
France
Prior art keywords
gramophones
analogues
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
FR528217A
Other languages
French (fr)
Inventor
Arthur Frederick Richmo Cotton
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.)
ARTHUR FREDERICK RICHMOND COTT
Original Assignee
ARTHUR FREDERICK RICHMOND COTT
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 ARTHUR FREDERICK RICHMOND COTT filed Critical ARTHUR FREDERICK RICHMOND COTT
Application granted granted Critical
Publication of FR528217A publication Critical patent/FR528217A/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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B25/00—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
    • G11B25/04—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card
FR528217A 1919-12-11 1920-11-26 Improvements to gramophones and analogues Expired FR528217A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB528217X 1919-12-11

Publications (1)

Publication Number Publication Date
FR528217A true FR528217A (en) 1921-11-08

Family

ID=10465440

Family Applications (1)

Application Number Title Priority Date Filing Date
FR528217A Expired FR528217A (en) 1919-12-11 1920-11-26 Improvements to gramophones and analogues

Country Status (1)

Country Link
FR (1) FR528217A (en)

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