GB317043A - Improvements in or relating to incandescent cathode x-ray tubes - Google Patents

Improvements in or relating to incandescent cathode x-ray tubes

Info

Publication number
GB317043A
GB317043A GB21773/29A GB2177329A GB317043A GB 317043 A GB317043 A GB 317043A GB 21773/29 A GB21773/29 A GB 21773/29A GB 2177329 A GB2177329 A GB 2177329A GB 317043 A GB317043 A GB 317043A
Authority
GB
United Kingdom
Prior art keywords
ray tubes
cathode
relating
incandescent cathode
incandescent
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
GB21773/29A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB317043A publication Critical patent/GB317043A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00X-ray tubes
    • H01J35/02Details
    • H01J35/04Electrodes ; Mutual position thereof; Constructional adaptations therefor
    • H01J35/06Cathodes

Landscapes

  • Knives (AREA)
  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
  • Microwave Amplifiers (AREA)
GB21773/29A 1928-08-09 1929-07-15 Improvements in or relating to incandescent cathode x-ray tubes Expired GB317043A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL317043X 1928-08-09

Publications (1)

Publication Number Publication Date
GB317043A true GB317043A (en) 1930-10-06

Family

ID=19783844

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21773/29A Expired GB317043A (en) 1928-08-09 1929-07-15 Improvements in or relating to incandescent cathode x-ray tubes

Country Status (3)

Country Link
BE (1) BE362689A (ko)
FR (1) FR679628A (ko)
GB (1) GB317043A (ko)

Also Published As

Publication number Publication date
FR679628A (fr) 1930-04-15
BE362689A (ko)

Similar Documents

Publication Publication Date Title
GB317043A (en) Improvements in or relating to incandescent cathode x-ray tubes
GB371123A (en) Improvements in windows for electric discharge tubes for the emission of x-rays or cathode rays
GB443535A (en) Improvements in or relating to indirectly heated cathodes for electric discharge tubes
GB400058A (en) Improvements relating to indirectly heated cathodes for electron discharge devices
GB230497A (en) Improvements in or relating to x-ray tubes
GB357444A (en) Improvements relating to electron discharge tubes or thermionic valves
GB225540A (en) Improvements in or relating to x-ray tubes
GB196905A (en) Improvements in or relating to electric lamps provided with a coiled filament
GB377041A (en) Improvements in or relating to gasfilled discharge tubes
GB308823A (en) Indirectly heated thermionic cathode
GB453214A (en) Improvements in or relating to indirectly heated cathodes for electron discharge tubes
GB391938A (en) Improvements in or relating to thermionic valves or electron discharge tubes
GB547646A (en) Improvements in or relating to gas filled electric discharge tubes
GB239511A (en) Improvements in and relating to electron discharge apparatus
GB296314A (ko)
GB311254A (en) Improvements in or relating to electric rectifiers
GB368190A (en) Improvements in vacuum electric discharge tubes
GB232201A (en) Improvements in or relating to incandescent cathodes for discharge tubes
GB338430A (en) Improvements in and relating to x-ray devices
GB384136A (en) Improvements in or relating to thermionic valves or electron discharge tubes
GB297332A (en) Improvements in or relating to thermionic valves
GB419352A (en) Improvements in cathodes for electric discharge tubes
GB298083A (en) Hot cathode for lamp or valve heated by an alternating current
GB387653A (en) Improvements in or relating to lighting fittings
GB332667A (en) Improvements in or relating to arrangements for feeding discharge-tube cathodes with alternating current