FR540597A - Perfectionnements aux phonographes - Google Patents

Perfectionnements aux phonographes

Info

Publication number
FR540597A
FR540597A FR540597DA FR540597A FR 540597 A FR540597 A FR 540597A FR 540597D A FR540597D A FR 540597DA FR 540597 A FR540597 A FR 540597A
Authority
FR
France
Prior art keywords
phonographs
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)
Inventor
Edmund S Geer
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 filed Critical
Application granted granted Critical
Publication of FR540597A publication Critical patent/FR540597A/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
    • G11B3/095—Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers for repeating a part of the record; for beginning or stopping at a desired point of the record
    • G11B3/0952—Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers for repeating a part of the record; for beginning or stopping at a desired point of the record using automatic means
    • G11B3/0955—Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers for repeating a part of the record; for beginning or stopping at a desired point of the record using automatic means using mechanical means for detecting the end of the recording
FR540597D 1914-03-25 1921-09-03 Perfectionnements aux phonographes Expired FR540597A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US540597XA 1914-03-25 1914-03-25

Publications (1)

Publication Number Publication Date
FR540597A true FR540597A (fr) 1922-07-13

Family

ID=21988510

Family Applications (1)

Application Number Title Priority Date Filing Date
FR540597D Expired FR540597A (fr) 1914-03-25 1921-09-03 Perfectionnements aux phonographes

Country Status (2)

Country Link
DE (1) DE379049C (fr)
FR (1) FR540597A (fr)

Also Published As

Publication number Publication date
DE379049C (de) 1923-08-11

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