FR668679A - Perfectionnements aux machines parlantes portatives - Google Patents

Perfectionnements aux machines parlantes portatives

Info

Publication number
FR668679A
FR668679A FR668679DA FR668679A FR 668679 A FR668679 A FR 668679A FR 668679D A FR668679D A FR 668679DA FR 668679 A FR668679 A FR 668679A
Authority
FR
France
Prior art keywords
portable
speaking machines
speaking
machines
portable speaking
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)
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.)
FRIANT ET LAUNAY
Original Assignee
FRIANT ET LAUNAY
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 FRIANT ET LAUNAY filed Critical FRIANT ET LAUNAY
Application granted granted Critical
Publication of FR668679A publication Critical patent/FR668679A/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
    • 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
FR668679D 1929-01-30 1929-01-30 Perfectionnements aux machines parlantes portatives Expired FR668679A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR668679T 1929-01-30

Publications (1)

Publication Number Publication Date
FR668679A true FR668679A (fr) 1929-11-05

Family

ID=9015206

Family Applications (1)

Application Number Title Priority Date Filing Date
FR668679D Expired FR668679A (fr) 1929-01-30 1929-01-30 Perfectionnements aux machines parlantes portatives

Country Status (1)

Country Link
FR (1) FR668679A (fr)

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