FR81968E - Automatic device for changing the number of revolutions of a device for reproducing sounds recorded on discs - Google Patents

Automatic device for changing the number of revolutions of a device for reproducing sounds recorded on discs

Info

Publication number
FR81968E
FR81968E FR895409A FR895409A FR81968E FR 81968 E FR81968 E FR 81968E FR 895409 A FR895409 A FR 895409A FR 895409 A FR895409 A FR 895409A FR 81968 E FR81968 E FR 81968E
Authority
FR
France
Prior art keywords
revolutions
discs
changing
sounds recorded
reproducing sounds
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
FR895409A
Other languages
French (fr)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Priority to FR895409A priority Critical patent/FR81968E/en
Application granted granted Critical
Publication of FR81968E publication Critical patent/FR81968E/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
    • 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
FR895409A 1962-04-24 1962-04-24 Automatic device for changing the number of revolutions of a device for reproducing sounds recorded on discs Expired FR81968E (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR895409A FR81968E (en) 1962-04-24 1962-04-24 Automatic device for changing the number of revolutions of a device for reproducing sounds recorded on discs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR895409A FR81968E (en) 1962-04-24 1962-04-24 Automatic device for changing the number of revolutions of a device for reproducing sounds recorded on discs

Publications (1)

Publication Number Publication Date
FR81968E true FR81968E (en) 1963-12-06

Family

ID=8777519

Family Applications (1)

Application Number Title Priority Date Filing Date
FR895409A Expired FR81968E (en) 1962-04-24 1962-04-24 Automatic device for changing the number of revolutions of a device for reproducing sounds recorded on discs

Country Status (1)

Country Link
FR (1) FR81968E (en)

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