NL3939C - - Google Patents

Info

Publication number
NL3939C
NL3939C NL3939DA NL3939C NL 3939 C NL3939 C NL 3939C NL 3939D A NL3939D A NL 3939DA NL 3939 C NL3939 C NL 3939C
Authority
NL
Netherlands
Application number
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 claimed from US76654913A external-priority patent/US1203495A/en
Application filed filed Critical
Application granted granted Critical
Publication of NL3939C publication Critical patent/NL3939C/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00X-ray tubes
    • H01J35/02Details
    • H01J35/16Vessels; Containers; Shields associated therewith
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00X-ray tubes
    • H01J35/02Details
    • H01J35/14Arrangements for concentrating, focusing, or directing the cathode ray
    • H01J35/147Spot size control
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2235/00X-ray tubes
    • H01J2235/16Vessels
    • H01J2235/165Shielding arrangements
    • H01J2235/168Shielding arrangements against charged particles
NL3939D 1913-05-09 1914-05-09 NL3939C (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US76654913A US1203495A (en) 1913-05-09 1913-05-09 Vacuum-tube.
US3939XA 1913-09-08 1913-09-08

Publications (1)

Publication Number Publication Date
NL3939C true NL3939C (de) 1919-10-15

Family

ID=26667562

Family Applications (1)

Application Number Title Priority Date Filing Date
NL3939D NL3939C (de) 1913-05-09 1914-05-09

Country Status (2)

Country Link
CH (1) CH69401A (de)
NL (1) NL3939C (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE879744C (de) * 1941-05-29 1953-06-15 Siemens Reiniger Werke Ag Roentgenroehre mit in Anodennaehe angebrachter steuerbarer Sammelspule zum Einstellen der Brennfleckgroesse

Also Published As

Publication number Publication date
CH69401A (de) 1915-06-16

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