FR706039A - Perfectionnements apportés aux machines parlantes - Google Patents

Perfectionnements apportés aux machines parlantes

Info

Publication number
FR706039A
FR706039A FR706039DA FR706039A FR 706039 A FR706039 A FR 706039A FR 706039D A FR706039D A FR 706039DA FR 706039 A FR706039 A FR 706039A
Authority
FR
France
Prior art keywords
talking machines
talking
machines
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.)
HENRY DEVELOPMENTS Ltd
Original Assignee
HENRY DEVELOPMENTS Ltd
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 HENRY DEVELOPMENTS Ltd filed Critical HENRY DEVELOPMENTS Ltd
Application granted granted Critical
Publication of FR706039A publication Critical patent/FR706039A/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
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/26—Speed-changing arrangements; Reversing arrangements; Drive-transfer means therefor
    • G11B19/265—Friction wheel drive
FR706039D 1930-03-13 1930-11-06 Perfectionnements apportés aux machines parlantes Expired FR706039A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8189/30A GB350547A (en) 1930-03-13 1930-03-13 Improvements in and relating to talking machines

Publications (1)

Publication Number Publication Date
FR706039A true FR706039A (fr) 1931-06-17

Family

ID=9847544

Family Applications (1)

Application Number Title Priority Date Filing Date
FR706039D Expired FR706039A (fr) 1930-03-13 1930-11-06 Perfectionnements apportés aux machines parlantes

Country Status (5)

Country Link
US (1) US1838531A (fr)
CH (1) CH152010A (fr)
DE (1) DE575983C (fr)
FR (1) FR706039A (fr)
GB (1) GB350547A (fr)

Also Published As

Publication number Publication date
DE575983C (de) 1933-05-05
US1838531A (en) 1931-12-29
GB350547A (en) 1931-06-15
CH152010A (fr) 1932-01-15

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