FR734074A - Improvements to electronic discharge devices - Google Patents

Improvements to electronic discharge devices

Info

Publication number
FR734074A
FR734074A FR734074DA FR734074A FR 734074 A FR734074 A FR 734074A FR 734074D A FR734074D A FR 734074DA FR 734074 A FR734074 A FR 734074A
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 FR734074A publication Critical patent/FR734074A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/02—Details
    • H01J17/04—Electrodes; Screens
FR734074D 1931-02-11 1932-01-25 Improvements to electronic discharge devices Expired FR734074A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US514931A US1998884A (en) 1931-02-11 1931-02-11 Electric discharge device

Publications (1)

Publication Number Publication Date
FR734074A true FR734074A (en) 1932-10-15

Family

ID=24049276

Family Applications (1)

Application Number Title Priority Date Filing Date
FR734074D Expired FR734074A (en) 1931-02-11 1932-01-25 Improvements to electronic discharge devices

Country Status (5)

Country Link
US (1) US1998884A (en)
DE (1) DE668731C (en)
FR (1) FR734074A (en)
GB (1) GB392963A (en)
NL (1) NL36967C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2687471A (en) * 1948-05-01 1954-08-24 Western Union Telegraph Co Concentrated arc discharge device
US3394280A (en) * 1966-08-01 1968-07-23 Terry M. Trumble Ultraviolet detector tube having photoemissive cathode and gas filling

Also Published As

Publication number Publication date
DE668731C (en) 1938-12-09
GB392963A (en) 1933-05-29
NL36967C (en)
US1998884A (en) 1935-04-23

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