IT1177173B - Tubo a raggi catodici presentante un complesso di cannoni elettronici con mezzi di modifica dell'emissivita' - Google Patents

Tubo a raggi catodici presentante un complesso di cannoni elettronici con mezzi di modifica dell'emissivita'

Info

Publication number
IT1177173B
IT1177173B IT23549/84A IT2354984A IT1177173B IT 1177173 B IT1177173 B IT 1177173B IT 23549/84 A IT23549/84 A IT 23549/84A IT 2354984 A IT2354984 A IT 2354984A IT 1177173 B IT1177173 B IT 1177173B
Authority
IT
Italy
Prior art keywords
emissivity
modification
complex
cathode tube
tube presenting
Prior art date
Application number
IT23549/84A
Other languages
English (en)
Other versions
IT8423549A0 (it
IT8423549A1 (it
Inventor
Richard Evan Schlack
Original Assignee
Rca Corp
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 Rca Corp filed Critical Rca Corp
Publication of IT8423549A0 publication Critical patent/IT8423549A0/it
Publication of IT8423549A1 publication Critical patent/IT8423549A1/it
Application granted granted Critical
Publication of IT1177173B publication Critical patent/IT1177173B/it

Links

Classifications

    • 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
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/48—Electron guns
    • H01J29/50—Electron guns two or more guns in a single vacuum space, e.g. for plural-ray tube
    • H01J29/503—Three or more guns, the axes of which lay in a common plane
    • 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
IT23549/84A 1983-11-29 1984-11-13 Tubo a raggi catodici presentante un complesso di cannoni elettronici con mezzi di modifica dell'emissivita' IT1177173B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/556,184 US4554480A (en) 1983-11-29 1983-11-29 Cathode-ray tube having an electron gun assembly with emissivity modifying means

Publications (3)

Publication Number Publication Date
IT8423549A0 IT8423549A0 (it) 1984-11-13
IT8423549A1 IT8423549A1 (it) 1986-05-13
IT1177173B true IT1177173B (it) 1987-08-26

Family

ID=24220244

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23549/84A IT1177173B (it) 1983-11-29 1984-11-13 Tubo a raggi catodici presentante un complesso di cannoni elettronici con mezzi di modifica dell'emissivita'

Country Status (4)

Country Link
US (1) US4554480A (it)
JP (1) JPS60133640A (it)
FR (1) FR2555809A1 (it)
IT (1) IT1177173B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0722034B2 (ja) * 1989-07-01 1995-03-08 株式会社日立製作所 無機絶縁ヒータおよびその製法並びにそれを用いた陰極線管
US5422536A (en) * 1993-01-08 1995-06-06 Uti Corporation Thermionic cathode with continuous bimetallic wall having varying wall thickness and internal blackening
KR970009208B1 (en) * 1993-07-26 1997-06-07 Lg Electronics Inc Cathode structure of electron gun for crt

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2914694A (en) * 1957-10-04 1959-11-24 Rca Corp Cathode assembly
NL271321A (it) * 1960-11-14
US3265920A (en) * 1964-06-22 1966-08-09 Rauland Corp Electron-discharge device cathode assembly with radiation shield
US3351792A (en) * 1964-12-28 1967-11-07 Sylvania Electric Prod Quick warm-up heat-shielded cathode structure for cathode ray tubes
DE1514652A1 (de) * 1964-12-28 1969-08-14 Sylvania Electric Prod Kathodenstrahlroehre und Elektronenschleuder
US3333138A (en) * 1965-01-11 1967-07-25 Rauland Corp Support assembly for a low-wattage cathode
NL6513665A (it) * 1965-10-22 1967-04-24
US3569768A (en) * 1968-11-21 1971-03-09 Sylvania Electric Prod Cathode sleeve effecting maximum heat transfer to top of cathode cap and minimum to cap wall
DE2313911B2 (de) * 1973-03-20 1975-09-25 Standard Elektrik Lorenz Ag, 7000 Stuttgart Schnell anheizende Kathode für Kathodenstrahlröhren
US3958146A (en) * 1974-02-08 1976-05-18 Gte Sylvania Incorporated Fast warm up picture tube cathode cap having high heat emissivity surface on the interior thereof
US4071803A (en) * 1974-09-19 1978-01-31 Tokyo Shibaura Electric Co., Ltd. Electron gun assembly
US4009409A (en) * 1975-09-02 1977-02-22 Gte Sylvania Incorporated Fast warmup cathode and method of making same
US4063128A (en) * 1976-07-02 1977-12-13 Rca Corporation Cathode support structure for color picture tube guns to equalize cutoff relation during warm-up
US4184100A (en) * 1977-03-29 1980-01-15 Tokyo Shibaura Electric Co., Ltd. Indirectly-heated cathode device for electron tubes
JPS6036056B2 (ja) * 1979-06-21 1985-08-17 株式会社東芝 陰極構体
NL8002343A (nl) * 1980-04-23 1981-11-16 Philips Nv Elektronenkanon en kathodestraalbuis bevattende een dergelijk elektronenkanon.

Also Published As

Publication number Publication date
IT8423549A0 (it) 1984-11-13
IT8423549A1 (it) 1986-05-13
JPS60133640A (ja) 1985-07-16
FR2555809A1 (fr) 1985-05-31
US4554480A (en) 1985-11-19

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