NL91472C - - Google Patents

Info

Publication number
NL91472C
NL91472C NL91472DA NL91472C NL 91472 C NL91472 C NL 91472C NL 91472D A NL91472D A NL 91472DA NL 91472 C NL91472 C NL 91472C
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.)
Publication of NL91472C publication Critical patent/NL91472C/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/02—Details
    • H01J17/04—Electrodes; Screens
    • H01J17/06—Cathodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/50—Thermionic-cathode tubes
    • H01J17/52—Thermionic-cathode tubes with one cathode and one anode
    • H01J17/54—Thermionic-cathode tubes with one cathode and one anode having one or more control electrodes
    • H01J17/56—Thermionic-cathode tubes with one cathode and one anode having one or more control electrodes for preventing and then permitting ignition, but thereafter having no control
NL91472D 1952-12-22 NL91472C (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US327220A US2805353A (en) 1952-12-22 1952-12-22 Hydrogen thyratron improvement

Publications (1)

Publication Number Publication Date
NL91472C true NL91472C (fr)

Family

ID=23275639

Family Applications (2)

Application Number Title Priority Date Filing Date
NL91472D NL91472C (fr) 1952-12-22
NLAANVRAGE8203468,A NL183759B (nl) 1952-12-22 Werkwijze voor de bereiding van hydroxycholecalciferolderivaten met geneeskrachtige werking, alsmede farmaceutische preparaten die deze derivaten bevatten.

Family Applications After (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE8203468,A NL183759B (nl) 1952-12-22 Werkwijze voor de bereiding van hydroxycholecalciferolderivaten met geneeskrachtige werking, alsmede farmaceutische preparaten die deze derivaten bevatten.

Country Status (7)

Country Link
US (1) US2805353A (fr)
BE (1) BE525278A (fr)
CH (1) CH318061A (fr)
DE (1) DE1022325B (fr)
FR (1) FR1090274A (fr)
GB (1) GB736343A (fr)
NL (2) NL183759B (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB772616A (en) * 1954-07-02 1957-04-17 English Electric Valve Co Ltd Improvements in or relating to gas filled discharge devices
DE1021086B (de) * 1955-07-12 1957-12-19 British Thomson Houston Co Ltd Elektrische Entladungsvorrichtung
NL104217C (fr) * 1958-03-13
US3037141A (en) * 1959-05-08 1962-05-29 Ass Elect Ind Electric discharge device
NL272259A (fr) * 1961-03-22
GB2170039B (en) * 1984-12-22 1989-01-25 English Electric Valve Co Ltd Thyratrons
GB8615207D0 (en) * 1986-06-21 1986-07-23 English Electric Valve Co Ltd Thyratrons
US5550430A (en) * 1994-05-16 1996-08-27 Litton Systems, Inc. Gas discharge closing switch with unitary ceramic housing
CN103681172B (zh) * 2012-09-11 2015-12-30 昆山国力真空电器有限公司 用于闸流管的电子发射组合体

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1869829A (en) * 1927-01-03 1932-08-02 Westinghouse Electric & Mfg Co Frequency-responsive crystal relay
AT144865B (de) * 1933-09-01 1936-03-10 Philips Nv Entladungsröhre mit einer Glühkathode und einer Menge flüssigen Materials.
US2121591A (en) * 1936-01-10 1938-06-21 Westinghouse Electric & Mfg Co Grid glow tube with zero temperature effect
US2303166A (en) * 1941-01-21 1942-11-24 Bell Telephone Labor Inc Electron discharge device
US2362937A (en) * 1942-09-15 1944-11-14 Bell Telephone Labor Inc Electric discharge device
US2399003A (en) * 1944-10-16 1946-04-23 Gen Electric Electric discharge device
US2518879A (en) * 1945-02-03 1950-08-15 Kenneth J Germeshausen Hydrogen thyratron
US2436265A (en) * 1945-07-27 1948-02-17 Du Mont Allen B Lab Inc Cathode-ray tube
US2497911A (en) * 1945-08-03 1950-02-21 Gerard J Reilly Hydrogen thyratron
US2479529A (en) * 1945-11-23 1949-08-16 Westinghouse Electric Corp Electron discharge device
US2443121A (en) * 1947-06-20 1948-06-08 Rca Corp Grid controlled rectifier tube
US2650998A (en) * 1950-12-29 1953-09-01 Chatham Electronics Corp Baffle structure in gaseous discharge devices
US2653261A (en) * 1951-11-08 1953-09-22 Chatham Electronics Corp Gas discharge device

Also Published As

Publication number Publication date
FR1090274A (fr) 1955-03-29
CH318061A (de) 1956-12-15
NL183759B (nl)
US2805353A (en) 1957-09-03
GB736343A (en) 1955-09-07
BE525278A (fr)
DE1022325B (de) 1958-01-09

Similar Documents

Publication Publication Date Title
BE519488A (fr)
BE517591A (fr)
BE518997A (fr)
BE520612A (fr)
BE519063A (fr)
BE518901A (fr)
NL91472C (fr)
BE516944A (fr)
BE518893A (fr)
BE518726A (fr)
BE518504A (fr)
BE518402A (fr)
BE516931A (fr)
BE518287A (fr)
BE518282A (fr)
BE518235A (fr)
BE522375A (fr)
BE517672A (fr)
BE517645A (fr)
BE518049A (fr)
BE517992A (fr)
BE512796A (fr)
BE517628A (fr)
BE522077A (fr)
BE517337A (fr)