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FR565564A - Improvements to spring motors - Google Patents

Improvements to spring motors

Info

Publication number
FR565564A
FR565564A FR565564DA FR565564A FR 565564 A FR565564 A FR 565564A FR 565564D A FR565564D A FR 565564DA FR 565564 A FR565564 A FR 565564A
Authority
FR
France
Prior art keywords
spring motors
motors
spring
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
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.)
COLUMBIA GRAPHOPHONE CO Ltd
Original Assignee
COLUMBIA GRAPHOPHONE CO 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 COLUMBIA GRAPHOPHONE CO Ltd filed Critical COLUMBIA GRAPHOPHONE CO Ltd
Application granted granted Critical
Publication of FR565564A publication Critical patent/FR565564A/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
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
FR565564D 1923-04-27 1923-04-27 Improvements to spring motors Expired FR565564A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR565564T 1923-04-27

Publications (1)

Publication Number Publication Date
FR565564A true FR565564A (en) 1924-01-30

Family

ID=8946520

Family Applications (1)

Application Number Title Priority Date Filing Date
FR565564D Expired FR565564A (en) 1923-04-27 1923-04-27 Improvements to spring motors

Country Status (1)

Country Link
FR (1) FR565564A (en)

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