FR1000259A - Light controller and its applications - Google Patents

Light controller and its applications

Info

Publication number
FR1000259A
FR1000259A FR1000259DA FR1000259A FR 1000259 A FR1000259 A FR 1000259A FR 1000259D A FR1000259D A FR 1000259DA FR 1000259 A FR1000259 A FR 1000259A
Authority
FR
France
Prior art keywords
applications
light controller
controller
light
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)
Inventor
Pierre Hampe
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.)
GEORGES TRUFFAUT ETS LAB
Original Assignee
GEORGES TRUFFAUT ETS LAB
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 GEORGES TRUFFAUT ETS LAB filed Critical GEORGES TRUFFAUT ETS LAB
Application granted granted Critical
Publication of FR1000259A publication Critical patent/FR1000259A/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
    • 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)
FR1000259D 1949-11-22 1949-11-22 Light controller and its applications Expired FR1000259A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1000259T 1949-11-22

Publications (1)

Publication Number Publication Date
FR1000259A true FR1000259A (en) 1952-02-11

Family

ID=9560314

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1000259D Expired FR1000259A (en) 1949-11-22 1949-11-22 Light controller and its applications

Country Status (1)

Country Link
FR (1) FR1000259A (en)

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