FR1153474A - Electric timer - Google Patents

Electric timer

Info

Publication number
FR1153474A
FR1153474A FR1153474DA FR1153474A FR 1153474 A FR1153474 A FR 1153474A FR 1153474D A FR1153474D A FR 1153474DA FR 1153474 A FR1153474 A FR 1153474A
Authority
FR
France
Prior art keywords
electric timer
timer
electric
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.)
CBS Corp
Original Assignee
Westinghouse Electric 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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of FR1153474A publication Critical patent/FR1153474A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current
    • G05F1/12—Regulating voltage or current wherein the variable actually regulated by the final control device is ac
    • G05F1/32—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using magnetic devices having a controllable degree of saturation as final control devices
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B11/00—Automatic controllers
    • G05B11/01—Automatic controllers electric
    • G05B11/012—Automatic controllers electric details of the transmission means
    • G05B11/016—Automatic controllers electric details of the transmission means using inductance means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/22—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
    • H01H47/34—Energising current supplied by magnetic amplifier
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/28—Modifications for introducing a time delay before switching

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Control Of Electrical Variables (AREA)
  • Control Of Voltage And Current In General (AREA)
FR1153474D 1955-05-10 1956-05-09 Electric timer Expired FR1153474A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA585040T
US507214A US2752556A (en) 1955-05-10 1955-05-10 Electrical time delay apparatus

Publications (1)

Publication Number Publication Date
FR1153474A true FR1153474A (en) 1958-03-11

Family

ID=74174822

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1153474D Expired FR1153474A (en) 1955-05-10 1956-05-09 Electric timer

Country Status (6)

Country Link
US (1) US2752556A (en)
JP (1) JPS349231B1 (en)
CA (1) CA585040A (en)
DE (1) DE1136767B (en)
FR (1) FR1153474A (en)
GB (1) GB808924A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3026470A (en) * 1957-03-22 1962-03-20 Westinghouse Electric Corp Control apparatus
BE568557A (en) * 1957-06-14
US3086165A (en) * 1958-06-27 1963-04-16 Ite Circuit Breaker Ltd Shockless automatic to manual changeover system for regulators
US3054943A (en) * 1958-10-01 1962-09-18 Gen Electric Control system for voltage regulator
US3235788A (en) * 1962-09-17 1966-02-15 Mc Graw Edison Co Voltage magnitude control circuit
US3237091A (en) * 1962-09-17 1966-02-22 Mc Graw Edison Co Voltage magnitude control system
BE638754A (en) * 1962-10-18
US3252078A (en) * 1962-11-21 1966-05-17 Wagner Electric Corp Transformer tap-changing voltage regulating system
US3275928A (en) * 1963-06-04 1966-09-27 Gen Electric Voltage regulator with magnetic amplifier elements
US3395349A (en) * 1964-02-10 1968-07-30 American Gage & Mach Wide angle d'arsonval movement having core mounting means interfitted with the core ring

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2547615A (en) * 1948-10-26 1951-04-03 Gen Electric Saturable core reactor

Also Published As

Publication number Publication date
US2752556A (en) 1956-06-26
CA585040A (en) 1959-10-13
GB808924A (en) 1959-02-11
DE1136767B (en) 1962-09-20
JPS349231B1 (en) 1959-10-15

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