GB792046A - Improvements in or relating to cathode ray tubes for use in television receivers - Google Patents

Improvements in or relating to cathode ray tubes for use in television receivers

Info

Publication number
GB792046A
GB792046A GB23626/54A GB2362654A GB792046A GB 792046 A GB792046 A GB 792046A GB 23626/54 A GB23626/54 A GB 23626/54A GB 2362654 A GB2362654 A GB 2362654A GB 792046 A GB792046 A GB 792046A
Authority
GB
United Kingdom
Prior art keywords
per cent
aluminium
barium
metals
cathode
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
GB23626/54A
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.)
Egyesuelt Izzolampa es Villamossagi Rt
Original Assignee
Egyesuelt Izzolampa es Villamossagi Rt
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 Egyesuelt Izzolampa es Villamossagi Rt filed Critical Egyesuelt Izzolampa es Villamossagi Rt
Publication of GB792046A publication Critical patent/GB792046A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H01J1/28—Dispenser-type cathodes, e.g. L-cathode
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/04—Cathodes

Landscapes

  • Solid Thermionic Cathode (AREA)
  • Powder Metallurgy (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
GB23626/54A 1953-11-05 1954-08-13 Improvements in or relating to cathode ray tubes for use in television receivers Expired GB792046A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU792046X 1953-11-05

Publications (1)

Publication Number Publication Date
GB792046A true GB792046A (en) 1958-03-19

Family

ID=10980341

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23626/54A Expired GB792046A (en) 1953-11-05 1954-08-13 Improvements in or relating to cathode ray tubes for use in television receivers

Country Status (5)

Country Link
US (1) US2798180A (nl)
DE (1) DE1094375B (nl)
FR (1) FR1112744A (nl)
GB (1) GB792046A (nl)
HU (1) HU143979A (nl)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2238655A (en) * 1989-11-10 1991-06-05 Samsung Electronic Devices Dispenser cathodes

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL89470C (nl) * 1953-03-04
NL8105921A (nl) * 1981-12-31 1983-07-18 Philips Nv Televisiekamerabuis.
GB2188771B (en) * 1986-04-01 1990-12-19 Ceradyne Inc Dispenser cathode and method of manufacture therefor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL34189C (nl) * 1930-07-17
US2131204A (en) * 1936-01-15 1938-09-27 Siemens Ag Indirectly heated thermionic cathode
US2201167A (en) * 1937-03-09 1940-05-21 Germeshausen Kenneth Joseph Gaseous-discharge device
US2647216A (en) * 1950-04-01 1953-07-28 Rca Corp Dispenser cathode

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2238655A (en) * 1989-11-10 1991-06-05 Samsung Electronic Devices Dispenser cathodes
GB2238655B (en) * 1989-11-10 1994-02-02 Samsung Electronic Devices Dispenser cathodes

Also Published As

Publication number Publication date
DE1094375B (de) 1960-12-08
HU143979A (nl)
US2798180A (en) 1957-07-02
FR1112744A (fr) 1956-03-19

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