FR520840A - Accessoire de phonographe - Google Patents

Accessoire de phonographe

Info

Publication number
FR520840A
FR520840A FR520840A FR520840DA FR520840A FR 520840 A FR520840 A FR 520840A FR 520840 A FR520840 A FR 520840A FR 520840D A FR520840D A FR 520840DA FR 520840 A FR520840 A FR 520840A
Authority
FR
France
Prior art keywords
phonograph
accessory
phonograph accessory
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
FR520840A
Other languages
English (en)
Inventor
Ralph Waldo Morrison
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.)
RALPH WALDO MORRISON
Original Assignee
RALPH WALDO MORRISON
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 RALPH WALDO MORRISON filed Critical RALPH WALDO MORRISON
Application granted granted Critical
Publication of FR520840A publication Critical patent/FR520840A/fr
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
FR520840A 1920-07-21 1920-07-21 Accessoire de phonographe Expired FR520840A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR520840T 1920-07-21

Publications (1)

Publication Number Publication Date
FR520840A true FR520840A (fr) 1921-07-02

Family

ID=8916928

Family Applications (1)

Application Number Title Priority Date Filing Date
FR520840A Expired FR520840A (fr) 1920-07-21 1920-07-21 Accessoire de phonographe

Country Status (1)

Country Link
FR (1) FR520840A (fr)

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