FR800168A - Improvements to anti-diffusing grids - Google Patents

Improvements to anti-diffusing grids

Info

Publication number
FR800168A
FR800168A FR800168DA FR800168A FR 800168 A FR800168 A FR 800168A FR 800168D A FR800168D A FR 800168DA FR 800168 A FR800168 A FR 800168A
Authority
FR
France
Prior art keywords
grids
diffusing
diffusing grids
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 FR800168A publication Critical patent/FR800168A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
    • H01J19/28—Non-electron-emitting electrodes; Screens
    • H01J19/38—Control electrodes, e.g. grid
FR800168D 1934-12-31 1935-12-31 Improvements to anti-diffusing grids Expired FR800168A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US800168XA 1934-12-31 1934-12-31

Publications (1)

Publication Number Publication Date
FR800168A true FR800168A (en) 1936-06-29

Family

ID=22154684

Family Applications (1)

Application Number Title Priority Date Filing Date
FR800168D Expired FR800168A (en) 1934-12-31 1935-12-31 Improvements to anti-diffusing grids

Country Status (1)

Country Link
FR (1) FR800168A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE956013C (en) * 1952-07-27 1957-01-10 Siemens Reiniger Werke Ag X-ray device with a non-stop moving anti-scatter screen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE956013C (en) * 1952-07-27 1957-01-10 Siemens Reiniger Werke Ag X-ray device with a non-stop moving anti-scatter screen

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