FR42448E - Improvements made to discharge tubes - Google Patents

Improvements made to discharge tubes

Info

Publication number
FR42448E
FR42448E FR42448DA FR42448E FR 42448 E FR42448 E FR 42448E FR 42448D A FR42448D A FR 42448DA FR 42448 E FR42448 E FR 42448E
Authority
FR
France
Prior art keywords
improvements made
discharge tubes
tubes
discharge
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR42448E publication Critical patent/FR42448E/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J40/00—Photoelectric discharge tubes not involving the ionisation of a gas
    • H01J40/02—Details
    • H01J40/04—Electrodes
FR42448D 1932-10-19 1932-10-19 Improvements made to discharge tubes Expired FR42448E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR42448T 1932-10-19

Publications (1)

Publication Number Publication Date
FR42448E true FR42448E (en) 1933-07-19

Family

ID=8678512

Family Applications (1)

Application Number Title Priority Date Filing Date
FR42448D Expired FR42448E (en) 1932-10-19 1932-10-19 Improvements made to discharge tubes

Country Status (1)

Country Link
FR (1) FR42448E (en)

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