FR720070A - Compteur de temps actionné par un moteur synchrone - Google Patents

Compteur de temps actionné par un moteur synchrone

Info

Publication number
FR720070A
FR720070A FR720070DA FR720070A FR 720070 A FR720070 A FR 720070A FR 720070D A FR720070D A FR 720070DA FR 720070 A FR720070 A FR 720070A
Authority
FR
France
Prior art keywords
synchronous motor
time counter
counter operated
operated
synchronous
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.)
Siemens and Halske AG
Siemens Corp
Original Assignee
Siemens and Halske AG
Siemens Corp
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 Siemens and Halske AG, Siemens Corp filed Critical Siemens and Halske AG
Application granted granted Critical
Publication of FR720070A publication Critical patent/FR720070A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C15/00—Clocks driven by synchronous motors
    • G04C15/0009—Clocks driven by synchronous motors without power-reserve
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M5/00—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR720070D 1930-07-16 1931-07-16 Compteur de temps actionné par un moteur synchrone Expired FR720070A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE720070X 1930-07-16

Publications (1)

Publication Number Publication Date
FR720070A true FR720070A (fr) 1932-02-15

Family

ID=6627450

Family Applications (1)

Application Number Title Priority Date Filing Date
FR720070D Expired FR720070A (fr) 1930-07-16 1931-07-16 Compteur de temps actionné par un moteur synchrone

Country Status (1)

Country Link
FR (1) FR720070A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2571484A (en) * 1946-12-10 1951-10-16 Kelvin & Hughes Ltd Computing or indicating apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2571484A (en) * 1946-12-10 1951-10-16 Kelvin & Hughes Ltd Computing or indicating apparatus

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