CH280029A - Discharge tube that can be supplied with alternating current or direct current. - Google Patents

Discharge tube that can be supplied with alternating current or direct current.

Info

Publication number
CH280029A
CH280029A CH280029DA CH280029A CH 280029 A CH280029 A CH 280029A CH 280029D A CH280029D A CH 280029DA CH 280029 A CH280029 A CH 280029A
Authority
CH
Switzerland
Prior art keywords
supplied
discharge tube
current
direct current
alternating current
Prior art date
Application number
Other languages
French (fr)
Inventor
Anonyme Pour Les Appli Societe
Original Assignee
Ets Claude Paz & Silva
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 Ets Claude Paz & Silva filed Critical Ets Claude Paz & Silva
Publication of CH280029A publication Critical patent/CH280029A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
    • H01J61/72—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a main light-emitting filling of easily vaporisable metal vapour, e.g. mercury
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0064—Tubes with cold main electrodes (including cold cathodes)
CH280029D 1948-11-09 1949-10-10 Discharge tube that can be supplied with alternating current or direct current. CH280029A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR830220X 1948-11-09

Publications (1)

Publication Number Publication Date
CH280029A true CH280029A (en) 1951-12-31

Family

ID=9285826

Family Applications (1)

Application Number Title Priority Date Filing Date
CH280029D CH280029A (en) 1948-11-09 1949-10-10 Discharge tube that can be supplied with alternating current or direct current.

Country Status (5)

Country Link
US (1) US2659834A (en)
BE (1) BE491599A (en)
CH (1) CH280029A (en)
DE (1) DE830220C (en)
FR (1) FR1010839A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3020393A (en) * 1953-12-31 1962-02-06 Aeg Base and socket for fluorescent lamps

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1814499A (en) * 1928-02-17 1931-07-14 Electrons Inc Circuits for discharge tubes
US2097261A (en) * 1929-04-30 1937-10-26 Spanner Hans Joachim Lighting device
US1990175A (en) * 1931-05-29 1935-02-05 Gen Electric Vapor Lamp Co Gaseous electric discharge device
US2355258A (en) * 1941-05-13 1944-08-08 Sylvania Electric Prod Ultraviolet fluorescent lamp
US2292863A (en) * 1941-08-26 1942-08-11 Gen Electric Lead-in arrangement
US2459543A (en) * 1947-06-14 1949-01-18 Gen Electric Base for an electric device

Also Published As

Publication number Publication date
FR1010839A (en) 1952-06-16
BE491599A (en)
DE830220C (en) 1952-02-04
US2659834A (en) 1953-11-17

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