FR2667721B1 - Cathode pour tube electronique. - Google Patents

Cathode pour tube electronique.

Info

Publication number
FR2667721B1
FR2667721B1 FR9112231A FR9112231A FR2667721B1 FR 2667721 B1 FR2667721 B1 FR 2667721B1 FR 9112231 A FR9112231 A FR 9112231A FR 9112231 A FR9112231 A FR 9112231A FR 2667721 B1 FR2667721 B1 FR 2667721B1
Authority
FR
France
Prior art keywords
cathode
electronic tube
electronic
tube
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
FR9112231A
Other languages
English (en)
Other versions
FR2667721A1 (fr
Inventor
Sachio Koizumi
Hiroshi Takanobu
Sadanori Taguchi
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of FR2667721A1 publication Critical patent/FR2667721A1/fr
Application granted granted Critical
Publication of FR2667721B1 publication Critical patent/FR2667721B1/fr
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
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
FR9112231A 1990-10-05 1991-10-04 Cathode pour tube electronique. Expired - Fee Related FR2667721B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP26621490 1990-10-05

Publications (2)

Publication Number Publication Date
FR2667721A1 FR2667721A1 (fr) 1992-04-10
FR2667721B1 true FR2667721B1 (fr) 1997-01-10

Family

ID=17427848

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9112231A Expired - Fee Related FR2667721B1 (fr) 1990-10-05 1991-10-04 Cathode pour tube electronique.

Country Status (4)

Country Link
US (1) US5216320A (fr)
KR (1) KR940011717B1 (fr)
CN (1) CN1043548C (fr)
FR (1) FR2667721B1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100294485B1 (ko) * 1993-08-24 2001-09-17 김순택 산화물음극
KR100322457B1 (ko) * 1994-12-28 2002-06-20 김순택 전자관용음극의전자방출물질층의산화물및그제조방법
JPH0982233A (ja) * 1995-09-18 1997-03-28 Hitachi Ltd 電子放射物質層を有する陰極を備えた電子管
TW388048B (en) 1997-04-30 2000-04-21 Hitachi Ltd Cathode-ray tube and electron gun thereof
JP2000357464A (ja) * 1999-06-14 2000-12-26 Hitachi Ltd 陰極線管
JP2001229814A (ja) * 2000-02-21 2001-08-24 Matsushita Electric Ind Co Ltd 酸化物陰極の製造方法、およびこの酸化物陰極を備えた陰極線管
JP2001250491A (ja) * 2000-03-07 2001-09-14 Hitachi Ltd Ｕｐｆ型電子銃を有する陰極線管
JP2001345041A (ja) * 2000-06-01 2001-12-14 Mitsubishi Electric Corp 電子管用陰極
KR100811719B1 (ko) * 2000-09-19 2008-03-11 코닌클리케 필립스 일렉트로닉스 엔.브이. 음극선관 및 산화물 음극
US20020195919A1 (en) * 2001-06-22 2002-12-26 Choi Jong-Seo Cathode for electron tube and method of preparing the cathode

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58154131A (ja) * 1982-03-10 1983-09-13 Hitachi Ltd 含浸形陰極
NL8201371A (nl) * 1982-04-01 1983-11-01 Philips Nv Werkwijzen voor het vervaardigen van een naleveringskathode en naleveringskathode vervaardigd volgens deze werkwijzen.
JPS61271732A (ja) * 1985-05-25 1986-12-02 Mitsubishi Electric Corp 電子管陰極
JPH0782800B2 (ja) * 1986-02-25 1995-09-06 三菱電機株式会社 電子管陰極
JPH0782804B2 (ja) * 1985-10-15 1995-09-06 三菱電機株式会社 電子管用陰極
CA1270890A (fr) * 1985-07-19 1990-06-26 Keiji Watanabe Cathode de tube electronique
JPS6222347A (ja) * 1985-07-19 1987-01-30 Mitsubishi Electric Corp 電子管用陰極
JPS62146643A (ja) * 1985-12-20 1987-06-30 Fujitsu Ltd イメ−ジデ−タ転送方法
JPS63224127A (ja) * 1987-03-11 1988-09-19 Hitachi Ltd 含浸形陰極
JPH0690906B2 (ja) * 1987-06-12 1994-11-14 三菱マテリアル株式会社 電子管陰極
JPH0821308B2 (ja) * 1987-06-12 1996-03-04 三菱マテリアル株式会社 電子管陰極
KR910002969B1 (ko) * 1987-06-12 1991-05-11 미쓰비시전기주식회사 전자관음극(cathode for an electron tube)
JPH0690907B2 (ja) * 1988-02-02 1994-11-14 三菱電機株式会社 電子管用陰極
KR910009660B1 (ko) * 1988-02-23 1991-11-25 미쓰비시전기 주식회사 전자관용 산화물피복음극
JPH01311531A (ja) * 1988-06-08 1989-12-15 Hitachi Ltd 電子管陰極
JPH01311530A (ja) * 1988-06-10 1989-12-15 Hitachi Ltd 電子管陰極およびその製造方法
NL8900765A (nl) * 1989-03-29 1990-10-16 Philips Nv Scandaatkathode.
NL8901076A (nl) * 1989-04-28 1990-11-16 Philips Nv Oxydekathode.

Also Published As

Publication number Publication date
KR920008801A (ko) 1992-05-28
CN1061489A (zh) 1992-05-27
FR2667721A1 (fr) 1992-04-10
CN1043548C (zh) 1999-06-02
US5216320A (en) 1993-06-01
KR940011717B1 (ko) 1994-12-23

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20070629