FR556799A - Perfectionnements apportés aux phonographes - Google Patents

Perfectionnements apportés aux phonographes

Info

Publication number
FR556799A
FR556799A FR556799DA FR556799A FR 556799 A FR556799 A FR 556799A FR 556799D A FR556799D A FR 556799DA FR 556799 A FR556799 A FR 556799A
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
Noel Pemberton-Billing
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.)
WORLD RECORD Ltd
Original Assignee
WORLD RECORD 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 WORLD RECORD Ltd filed Critical WORLD RECORD Ltd
Application granted granted Critical
Publication of FR556799A publication Critical patent/FR556799A/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
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/26—Speed-changing arrangements; Reversing arrangements; Drive-transfer means therefor
    • G11B19/265—Friction wheel drive
FR556799D 1921-10-20 1922-09-18 Perfectionnements apportés aux phonographes Expired FR556799A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB556799X 1921-10-20

Publications (1)

Publication Number Publication Date
FR556799A true FR556799A (fr) 1923-07-26

Family

ID=10474571

Family Applications (1)

Application Number Title Priority Date Filing Date
FR556799D Expired FR556799A (fr) 1921-10-20 1922-09-18 Perfectionnements apportés aux phonographes

Country Status (1)

Country Link
FR (1) FR556799A (fr)

Similar Documents

Publication Publication Date Title
FR560421A (fr) Perfectionnements aux amplificateurs
FR27016E (fr) Perfectionnements aux chevalets
FR560571A (fr) Perfectionnements aux gazogènes
FR540973A (fr) Adjonction aux saxophones
FR545281A (fr) Perfectionnements aux robinets
FR533731A (fr) Perfectionnements aux robinets
FR534546A (fr) Perfectionnements aux phonographes
FR556799A (fr) Perfectionnements apportés aux phonographes
FR25731E (fr) Perfectionnements aux phonographes
FR27158E (fr) Perfectionnements aux postes radio-récepteurs
FR559341A (fr) Perfectionnements aux séléno-radio-dosimètre
FR25860E (fr) Perfectionnements aux turbomachines
FR543166A (fr) Perfectionnements aux robinets
FR544003A (fr) Perfectionnements aux phonographes pliants
FR547254A (fr) Perfectionnements aux débouchoirs
FR559620A (fr) Perfectionnements aux lapidaires
FR25949E (fr) Perfectionnements aux postes radio-récepteurs
FR25944E (fr) Perfectionnements aux postes radio-récepteurs
FR27863E (fr) Perfectionnements aux postes radio-récepteurs
FR535855A (fr) Perfectionnements aux dégauchisseuses-raboteuses
FR539358A (fr) Perfectionnements aux aéromoteurs
FR541145A (fr) Perfectionnements aux
FR524253A (fr) Perfectionnements aux phonographes
FR527897A (fr) Perfectionnements apportés aux phonographes
FR552135A (fr) Perfectionnements aux appareils enregistreurs