FR743186A - - Google Patents

Info

Publication number
FR743186A
FR743186A FR743186DA FR743186A FR 743186 A FR743186 A FR 743186A FR 743186D A FR743186D A FR 743186DA FR 743186 A FR743186 A FR 743186A
Authority
FR
France
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)
Publication date
Application granted granted Critical
Publication of FR743186A publication Critical patent/FR743186A/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00Gas-filled discharge tubes with solid cathode
    • H01J17/38Cold-cathode tubes
    • H01J17/40Cold-cathode tubes with one cathode and one anode, e.g. glow tubes, tuning-indicator glow tubes, voltage-stabiliser tubes, voltage-indicator tubes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00Gas-discharge or vapour-discharge lamps
    • H01J61/95Lamps with control electrode for varying intensity or wavelength of the light, e.g. for producing modulated light
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00Discharge tubes and lamps
    • H01J2893/0064Tubes with cold main electrodes (including cold cathodes)
    • H01J2893/0065Electrode systems
    • H01J2893/0067Electrode assembly without control electrodes, e.g. including a screen
FR743186D Expired FR743186A (US07652168-20100126-C00068.png)

Publications (1)

Publication Number Publication Date
FR743186A true FR743186A (US07652168-20100126-C00068.png) 1933-03-25

Family

ID=1547481

Family Applications (1)

Application Number Title Priority Date Filing Date
FR743186D Expired FR743186A (US07652168-20100126-C00068.png)

Country Status (1)

Country Link
FR (1) FR743186A (US07652168-20100126-C00068.png)

Similar Documents

Publication Publication Date Title
FR743186A (US07652168-20100126-C00068.png)
BE334554A (US07652168-20100126-C00068.png)
BE354930A (US07652168-20100126-C00068.png)
BE369770A (US07652168-20100126-C00068.png)
BE375476A (US07652168-20100126-C00068.png)
BE378380A (US07652168-20100126-C00068.png)
BE389595A (US07652168-20100126-C00068.png)
BE391463A (US07652168-20100126-C00068.png)
BE393645A (US07652168-20100126-C00068.png)
BE393793A (US07652168-20100126-C00068.png)
BE393878A (US07652168-20100126-C00068.png)
BE393996A (US07652168-20100126-C00068.png)
BE394022A (US07652168-20100126-C00068.png)
BE394067A (US07652168-20100126-C00068.png)
BE394072A (US07652168-20100126-C00068.png)
BE394093A (US07652168-20100126-C00068.png)
BE394103A (US07652168-20100126-C00068.png)
BE394207A (US07652168-20100126-C00068.png)
BE394212A (US07652168-20100126-C00068.png)
BE394300A (US07652168-20100126-C00068.png)
BE394347A (US07652168-20100126-C00068.png)
BE394392A (US07652168-20100126-C00068.png)
BE394410A (US07652168-20100126-C00068.png)
BE394468A (US07652168-20100126-C00068.png)
BE394486A (US07652168-20100126-C00068.png)