FR823639A - Electric current converter device - Google Patents

Electric current converter device

Info

Publication number
FR823639A
FR823639A FR823639DA FR823639A FR 823639 A FR823639 A FR 823639A FR 823639D A FR823639D A FR 823639DA FR 823639 A FR823639 A FR 823639A
Authority
FR
France
Prior art keywords
electric current
current converter
converter device
electric
current
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR823639A publication Critical patent/FR823639A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/50—Thermionic-cathode tubes
    • H01J17/58—Thermionic-cathode tubes with more than one cathode or anode
FR823639D 1936-06-29 1937-06-28 Electric current converter device Expired FR823639A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE473536X 1936-06-29

Publications (1)

Publication Number Publication Date
FR823639A true FR823639A (en) 1938-01-24

Family

ID=6541584

Family Applications (1)

Application Number Title Priority Date Filing Date
FR823639D Expired FR823639A (en) 1936-06-29 1937-06-28 Electric current converter device

Country Status (3)

Country Link
US (1) US2170034A (en)
FR (1) FR823639A (en)
GB (1) GB473536A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2687471A (en) * 1948-05-01 1954-08-24 Western Union Telegraph Co Concentrated arc discharge device
US3174107A (en) * 1960-08-01 1965-03-16 Clifford E Quackenbush Control circuit cyclically energizing a load using raw a. c. as one of two supplies
US3522466A (en) * 1968-07-29 1970-08-04 Takeo Kamegaya Electric discharge lamps having hot cathode

Also Published As

Publication number Publication date
US2170034A (en) 1939-08-22
GB473536A (en) 1937-10-14

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