FR659294A - Improvements to electronic discharge tubes - Google Patents

Improvements to electronic discharge tubes

Info

Publication number
FR659294A
FR659294A FR659294DA FR659294A FR 659294 A FR659294 A FR 659294A FR 659294D A FR659294D A FR 659294DA FR 659294 A FR659294 A FR 659294A
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.)
CIE FRANCAISE POUR L EXPL S DE
Compagnie Francaise Thomson Houston SA
Original Assignee
CIE FRANCAISE POUR L EXPL S DE
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 CIE FRANCAISE POUR L EXPL S DE, Compagnie Francaise Thomson Houston SA filed Critical CIE FRANCAISE POUR L EXPL S DE
Application granted granted Critical
Publication of FR659294A publication Critical patent/FR659294A/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
FR659294D 1927-08-19 1928-08-17 Improvements to electronic discharge tubes Expired FR659294A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US659294XA 1927-08-19 1927-08-19

Publications (1)

Publication Number Publication Date
FR659294A true FR659294A (en) 1929-06-26

Family

ID=22066087

Family Applications (1)

Application Number Title Priority Date Filing Date
FR659294D Expired FR659294A (en) 1927-08-19 1928-08-17 Improvements to electronic discharge tubes

Country Status (1)

Country Link
FR (1) FR659294A (en)

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