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 (enrdf_load_html_response)

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 (enrdf_load_html_response)

Family

ID=23275639

Family Applications (2)

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.
NL91472D NL91472C (enrdf_load_html_response) 1952-12-22

Family Applications Before (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 (enrdf_load_html_response)
BE (1) BE525278A (enrdf_load_html_response)
CH (1) CH318061A (enrdf_load_html_response)
DE (1) DE1022325B (enrdf_load_html_response)
FR (1) FR1090274A (enrdf_load_html_response)
GB (1) GB736343A (enrdf_load_html_response)
NL (2) NL91472C (enrdf_load_html_response)

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 (enrdf_load_html_response) * 1958-03-13
US3037141A (en) * 1959-05-08 1962-05-29 Ass Elect Ind Electric discharge device
NL272259A (enrdf_load_html_response) * 1961-03-22
US4761794A (en) * 1984-12-22 1988-08-02 English Electric Valve Company Limited Thyratron having thermionic cathode material between anode and control grid
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
DE1022325B (de) 1958-01-09
BE525278A (enrdf_load_html_response)
NL183759B (nl)
CH318061A (de) 1956-12-15
GB736343A (en) 1955-09-07
US2805353A (en) 1957-09-03

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