FR603584A - Improvements to electronic discharge devices - Google Patents

Improvements to electronic discharge devices

Info

Publication number
FR603584A
FR603584A FR603584DA FR603584A FR 603584 A FR603584 A FR 603584A FR 603584D A FR603584D A FR 603584DA FR 603584 A FR603584 A FR 603584A
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.)
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 FR603584A publication Critical patent/FR603584A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00—X-ray tubes
    • H01J35/02—Details
    • H01J35/04—Electrodes ; Mutual position thereof; Constructional adaptations therefor
    • H01J35/06—Cathodes
    • H01J35/064—Details of the emitter, e.g. material or structure
FR603584D 1924-09-17 1925-09-09 Improvements to electronic discharge devices Expired FR603584A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US738246A US1684263A (en) 1924-09-17 1924-09-17 Hot-cathode device

Publications (1)

Publication Number Publication Date
FR603584A true FR603584A (en) 1926-04-19

Family

ID=24967198

Family Applications (1)

Application Number Title Priority Date Filing Date
FR603584D Expired FR603584A (en) 1924-09-17 1925-09-09 Improvements to electronic discharge devices

Country Status (4)

Country Link
US (1) US1684263A (en)
DE (1) DE483337C (en)
FR (1) FR603584A (en)
GB (1) GB240166A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3526799A (en) * 1967-05-26 1970-09-01 Gen Electric Electron discharge device subject to hydrocarbon background pressure and having carbon-dissolving electrodes
DE2855905A1 (en) * 1978-12-23 1980-06-26 Licentia Gmbh DEVICE WITH A X-RAY TUBE
NL8603264A (en) * 1986-12-23 1988-07-18 Philips Nv ROENTGEN TUBE WITH A RING-SHAPED FOCUS.
JP2005516376A (en) * 2002-01-31 2005-06-02 ザ ジョンズ ホプキンズ ユニバーシティ X-ray source and method for more efficiently generating selectable x-ray frequencies
US9240303B2 (en) * 2013-09-10 2016-01-19 Moxtek, Inc. Dual tube support for electron emitter

Also Published As

Publication number Publication date
US1684263A (en) 1928-09-11
GB240166A (en) 1926-03-11
DE483337C (en) 1929-09-30

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