FR510216A - Improvements to phonographs - Google Patents

Improvements to phonographs

Info

Publication number
FR510216A
FR510216A FR510216A FR510216DA FR510216A FR 510216 A FR510216 A FR 510216A FR 510216 A FR510216 A FR 510216A FR 510216D A FR510216D A FR 510216DA FR 510216 A FR510216 A FR 510216A
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
FR510216A
Other languages
French (fr)
Inventor
Alcide Decorat
Eugene Testavin
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR510216A publication Critical patent/FR510216A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K17/00—Asynchronous induction motors; Asynchronous induction generators
    • H02K17/02—Asynchronous induction motors
    • H02K17/30—Structural association of asynchronous induction motors with auxiliary electric devices influencing the characteristics of the motor or controlling the motor, e.g. with impedances or switches
    • 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
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K17/00—Asynchronous induction motors; Asynchronous induction generators
    • H02K17/02—Asynchronous induction motors
    • H02K17/04—Asynchronous induction motors for single phase current
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K17/00—Asynchronous induction motors; Asynchronous induction generators
    • H02K17/02—Asynchronous induction motors
    • H02K17/04—Asynchronous induction motors for single phase current
    • H02K17/08—Motors with auxiliary phase obtained by externally fed auxiliary windings, e.g. capacitor motors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Induction Machinery (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
FR510216A 1919-07-31 1917-01-19 Improvements to phonographs Expired FR510216A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR149685X 1919-07-31

Publications (1)

Publication Number Publication Date
FR510216A true FR510216A (en) 1920-11-29

Family

ID=8875601

Family Applications (2)

Application Number Title Priority Date Filing Date
FR510216A Expired FR510216A (en) 1919-07-31 1917-01-19 Improvements to phonographs
FR22572A Expired FR22572E (en) 1919-07-31 1919-07-31 Improvements to phonographs

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR22572A Expired FR22572E (en) 1919-07-31 1919-07-31 Improvements to phonographs

Country Status (3)

Country Link
DE (1) DE358986C (en)
FR (2) FR510216A (en)
GB (1) GB149685A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE562979A (en) * 1956-03-06

Also Published As

Publication number Publication date
FR22572E (en) 1921-07-23
DE358986C (en) 1922-09-16
GB149685A (en) 1921-11-30

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