DE3780246D1 - Drahtfoermige gluehkathode. - Google Patents

Drahtfoermige gluehkathode.

Info

Publication number
DE3780246D1
DE3780246D1 DE8787114566T DE3780246T DE3780246D1 DE 3780246 D1 DE3780246 D1 DE 3780246D1 DE 8787114566 T DE8787114566 T DE 8787114566T DE 3780246 T DE3780246 T DE 3780246T DE 3780246 D1 DE3780246 D1 DE 3780246D1
Authority
DE
Germany
Prior art keywords
wire shaped
glow cathode
shaped glow
cathode
wire
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 - Fee Related
Application number
DE8787114566T
Other languages
English (en)
Other versions
DE3780246T3 (de
DE3780246T2 (de
Inventor
Masato Shohinkenkyusho Saito
Keiji Shohinkenkyusho Fukuyama
Masako Shohinkenkyusho Ishida
Keiji Shohinkenkyusho Watanabe
Ryo Shohinkenkyusho Suzuki
Toyokazu Kyotoseisakush Kamata
Kinjiro Kyotoseisakusho Sano
Hisao Kyotoseisakush Nakanishi
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27314380&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3780246(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from JP23956186A external-priority patent/JP2599910B2/ja
Priority claimed from JP12205287A external-priority patent/JPH0785395B2/ja
Priority claimed from JP12205387A external-priority patent/JPH0787068B2/ja
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Application granted granted Critical
Publication of DE3780246D1 publication Critical patent/DE3780246D1/de
Publication of DE3780246T2 publication Critical patent/DE3780246T2/de
Publication of DE3780246T3 publication Critical patent/DE3780246T3/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H01J1/14—Solid thermionic cathodes characterised by the material
    • 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
    • H01J1/15—Cathodes heated directly by an electric current
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/06—Main electrodes
    • H01J61/067—Main electrodes for low-pressure discharge lamps
    • H01J61/0675—Main electrodes for low-pressure discharge lamps characterised by the material of the electrode
    • H01J61/0677—Main electrodes for low-pressure discharge lamps characterised by the material of the electrode characterised by the electron emissive material
DE3780246T 1986-10-07 1987-10-06 Drahtförmige Glühkathode. Expired - Fee Related DE3780246T3 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP23956186A JP2599910B2 (ja) 1986-10-07 1986-10-07 陰極線管用線状酸化物陰極
JP12205287A JPH0785395B2 (ja) 1987-05-18 1987-05-18 線状熱陰極
JP12205387A JPH0787068B2 (ja) 1987-05-18 1987-05-18 線状熱陰極

Publications (3)

Publication Number Publication Date
DE3780246D1 true DE3780246D1 (de) 1992-08-13
DE3780246T2 DE3780246T2 (de) 1993-02-11
DE3780246T3 DE3780246T3 (de) 1997-01-02

Family

ID=27314380

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3780246T Expired - Fee Related DE3780246T3 (de) 1986-10-07 1987-10-06 Drahtförmige Glühkathode.

Country Status (4)

Country Link
US (1) US4897574A (de)
EP (1) EP0263483B2 (de)
CA (1) CA1276965C (de)
DE (1) DE3780246T3 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5659224A (en) * 1992-03-16 1997-08-19 Microelectronics And Computer Technology Corporation Cold cathode display device
DE4234843A1 (de) * 1992-10-15 1994-04-21 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Niederdruckentladungslampe und Herstellungsverfahren für eine Niederdruckentladungslampe
CA2127850C (en) * 1993-07-19 1999-03-16 Takio Okamoto Luminescent panel for color video display and its driving system, and a color video display apparatus utilizing the same
JP2003123620A (ja) * 2001-10-15 2003-04-25 Futaba Corp 直熱型酸化物陰極及びそれを用いた蛍光表示管
US6995502B2 (en) * 2002-02-04 2006-02-07 Innosys, Inc. Solid state vacuum devices and method for making the same

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7905542A (nl) * 1979-07-17 1981-01-20 Philips Nv Naleveringskathode.
US4436651A (en) * 1981-04-20 1984-03-13 David M. Corneille Thermionic cathode and process for preparing the same
JPS6084744A (ja) 1983-10-15 1985-05-14 Matsushita Electric Ind Co Ltd 熱陰極

Also Published As

Publication number Publication date
DE3780246T3 (de) 1997-01-02
US4897574A (en) 1990-01-30
EP0263483B2 (de) 1996-01-17
DE3780246T2 (de) 1993-02-11
CA1276965C (en) 1990-11-27
EP0263483A1 (de) 1988-04-13
EP0263483B1 (de) 1992-07-08

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings
8332 No legal effect for de
8370 Indication of lapse of patent is to be deleted
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee