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FR597658A - Improvements to electronic discharge devices - Google Patents

Improvements to electronic discharge devices

Info

Publication number
FR597658A
FR597658A FR597658DA FR597658A FR 597658 A FR597658 A FR 597658A FR 597658D A FR597658D A FR 597658DA FR 597658 A FR597658 A FR 597658A
Authority
FR
France
Prior art keywords
discharge devices
electronic discharge
electronic
devices
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR597658A publication Critical patent/FR597658A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
    • H01J7/14—Means for obtaining or maintaining the desired pressure within the vessel
    • H01J7/18—Means for absorbing or adsorbing gas, e.g. by gettering
    • H01J7/186—Getter supports
FR597658D 1925-01-31 1925-04-29 Improvements to electronic discharge devices Expired FR597658A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB279925A GB243200A (en) 1925-01-31 1925-01-31 Improvements in electron discharge devices

Publications (1)

Publication Number Publication Date
FR597658A true FR597658A (en) 1925-11-26

Family

ID=9746132

Family Applications (1)

Application Number Title Priority Date Filing Date
FR597658D Expired FR597658A (en) 1925-01-31 1925-04-29 Improvements to electronic discharge devices

Country Status (2)

Country Link
FR (1) FR597658A (en)
GB (1) GB243200A (en)

Also Published As

Publication number Publication date
GB243200A (en) 1925-11-26

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