FR644776A - Improvements to vacuum or discharge devices - Google Patents

Improvements to vacuum or discharge devices

Info

Publication number
FR644776A
FR644776A FR644776DA FR644776A FR 644776 A FR644776 A FR 644776A FR 644776D A FR644776D A FR 644776DA FR 644776 A FR644776 A FR 644776A
Authority
FR
France
Prior art keywords
vacuum
discharge devices
discharge
devices
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 FR644776A publication Critical patent/FR644776A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/48—Electron guns
    • H01J29/488—Schematic arrangements of the electrodes for beam forming; Place and form of the elecrodes
FR644776D 1926-09-22 1927-09-21 Improvements to vacuum or discharge devices Expired FR644776A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US137150A US1927807A (en) 1926-09-22 1926-09-22 Space discharge apparatus

Publications (1)

Publication Number Publication Date
FR644776A true FR644776A (en) 1928-10-13

Family

ID=22476024

Family Applications (1)

Application Number Title Priority Date Filing Date
FR644776D Expired FR644776A (en) 1926-09-22 1927-09-21 Improvements to vacuum or discharge devices

Country Status (2)

Country Link
US (1) US1927807A (en)
FR (1) FR644776A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE741731C (en) * 1931-05-23 1943-11-16 Erich Hudec Dr Ing Arrangement with a Braunschweig tube with first and second anode, especially for television purposes

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR964331A (en) * 1947-04-09 1950-08-10
US2573247A (en) * 1949-01-03 1951-10-30 Rca Corp Means for signal amplifying and mixing utilizing space charge neutralization
US3013178A (en) * 1953-03-23 1961-12-12 Fairchild Camera Instr Co Focussing mask for cathode ray tube

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE741731C (en) * 1931-05-23 1943-11-16 Erich Hudec Dr Ing Arrangement with a Braunschweig tube with first and second anode, especially for television purposes

Also Published As

Publication number Publication date
US1927807A (en) 1933-09-19

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