FR37133E - Improvements to electronic discharge tubes - Google Patents

Improvements to electronic discharge tubes

Info

Publication number
FR37133E
FR37133E FR37133DA FR37133E FR 37133 E FR37133 E FR 37133E FR 37133D A FR37133D A FR 37133DA FR 37133 E FR37133 E FR 37133E
Authority
FR
France
Prior art keywords
discharge tubes
electronic discharge
electronic
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 FR37133E publication Critical patent/FR37133E/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
FR37133D 1929-06-18 1929-06-18 Improvements to electronic discharge tubes Expired FR37133E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR37133T 1929-06-18

Publications (1)

Publication Number Publication Date
FR37133E true FR37133E (en) 1930-09-30

Family

ID=8673799

Family Applications (1)

Application Number Title Priority Date Filing Date
FR37133D Expired FR37133E (en) 1929-06-18 1929-06-18 Improvements to electronic discharge tubes

Country Status (1)

Country Link
FR (1) FR37133E (en)

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