GB489290A - Improvements in or relating to x-ray tubes - Google Patents

Improvements in or relating to x-ray tubes

Info

Publication number
GB489290A
GB489290A GB1958/37A GB195837A GB489290A GB 489290 A GB489290 A GB 489290A GB 1958/37 A GB1958/37 A GB 1958/37A GB 195837 A GB195837 A GB 195837A GB 489290 A GB489290 A GB 489290A
Authority
GB
United Kingdom
Prior art keywords
ray tubes
pinch
secured
supported
aperture
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
GB1958/37A
Other languages
English (en)
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.)
REGINALD ALEXANDER LISTER COLE
STC PLC
Original Assignee
REGINALD ALEXANDER LISTER COLE
Standard Telephone and Cables PLC
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
Priority to NL50307D priority Critical patent/NL50307C/xx
Application filed by REGINALD ALEXANDER LISTER COLE, Standard Telephone and Cables PLC filed Critical REGINALD ALEXANDER LISTER COLE
Priority to GB1958/37A priority patent/GB489290A/en
Priority to FR831561D priority patent/FR831561A/fr
Publication of GB489290A publication Critical patent/GB489290A/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
    • H01J35/066—Details of electron optical components, e.g. cathode cups

Landscapes

  • X-Ray Techniques (AREA)
GB1958/37A 1937-01-22 1937-01-22 Improvements in or relating to x-ray tubes Expired GB489290A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
NL50307D NL50307C (cs) 1937-01-22
GB1958/37A GB489290A (en) 1937-01-22 1937-01-22 Improvements in or relating to x-ray tubes
FR831561D FR831561A (fr) 1937-01-22 1937-12-31 Tubes à rayons x et dispositifs analogues

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1958/37A GB489290A (en) 1937-01-22 1937-01-22 Improvements in or relating to x-ray tubes

Publications (1)

Publication Number Publication Date
GB489290A true GB489290A (en) 1938-07-22

Family

ID=9731036

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1958/37A Expired GB489290A (en) 1937-01-22 1937-01-22 Improvements in or relating to x-ray tubes

Country Status (3)

Country Link
FR (1) FR831561A (cs)
GB (1) GB489290A (cs)
NL (1) NL50307C (cs)

Also Published As

Publication number Publication date
NL50307C (cs)
FR831561A (fr) 1938-09-08

Similar Documents

Publication Publication Date Title
GB575123A (en) Radial form ultra-high frequency tube
GB494644A (en) Cathode ray tubes
GB489290A (en) Improvements in or relating to x-ray tubes
GB566651A (en) Manufacture of electron discharge devices
GB547061A (en) Improvements in high-frequency tuning circuits
GB447493A (en) Improvements in and relating to modulating means for cathode ray tubes
GB466188A (en) Improvements in or relating to pre-concentrators of cathode ray tubes
GB639568A (en) Filament supports for thermionic vacuum tubes
AT151462B (de) Entladungsgefäß.
CA959911A (en) Secondary electron collector electrode for cathode ray tubes
FR833741A (fr) Amplificateur d'électrons secondaires comportant une cathode photoélectrique sphérique
GB490377A (en) Improvements in or relating to x-ray tubes
GB528458A (en) Improvements in or relating to electron discharge tubes
GB433854A (en) Improvements in or relating to electric discharge tubes
FR786030A (fr) Perfectionnements aux montages de tubes à rayons cathodiques
GB448977A (en) Improvements in flexible tubes
GB794950A (en) Arrangement for mounting one or more coils in travelling wave tubes
GB491685A (en) Improvements in or relating to electron discharge devices
GB579965A (en) Improvements in the manufacture of cathode-ray tubes
GB166241A (en) Improvements in thermionic devices for wireless telegraphy and telephony
GB731929A (en) Improvements in x-ray tubes
GB607021A (en) Electron discharge devices
GB514735A (en) Improvements in or relating to electric discharge devices
GB532250A (en) Improvements in or relating to electron discharge devices
GB585452A (en) Improvements in or relating to electron discharge devices