DE69408780D1 - Farbbildröhre mit verringerter dynamischer Fokussierspannung - Google Patents

Farbbildröhre mit verringerter dynamischer Fokussierspannung

Info

Publication number
DE69408780D1
DE69408780D1 DE69408780T DE69408780T DE69408780D1 DE 69408780 D1 DE69408780 D1 DE 69408780D1 DE 69408780 T DE69408780 T DE 69408780T DE 69408780 T DE69408780 T DE 69408780T DE 69408780 D1 DE69408780 D1 DE 69408780D1
Authority
DE
Germany
Prior art keywords
picture tube
color picture
dynamic focusing
focusing voltage
reduced dynamic
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
DE69408780T
Other languages
English (en)
Other versions
DE69408780T2 (de
Inventor
Tsutomu Toujou
Shinichi Kato
Shouji Shirai
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 DE69408780D1 publication Critical patent/DE69408780D1/de
Application granted granted Critical
Publication of DE69408780T2 publication Critical patent/DE69408780T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/48Electron guns
    • H01J29/50Electron guns two or more guns in a single vacuum space, e.g. for plural-ray tube
    • H01J29/503Three or more guns, the axes of which lay in a common plane
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/48Electron guns
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00Details of cathode ray tubes or electron beam tubes
    • H01J2229/48Electron guns
    • H01J2229/4834Electrical arrangements coupled to electrodes, e.g. potentials
    • H01J2229/4837Electrical arrangements coupled to electrodes, e.g. potentials characterised by the potentials applied
    • H01J2229/4841Dynamic potentials
DE69408780T 1993-11-09 1994-10-31 Farbbildröhre mit verringerter dynamischer Fokussierspannung Expired - Fee Related DE69408780T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5279265A JPH07134953A (ja) 1993-11-09 1993-11-09 カラー受像管

Publications (2)

Publication Number Publication Date
DE69408780D1 true DE69408780D1 (de) 1998-04-09
DE69408780T2 DE69408780T2 (de) 1998-07-02

Family

ID=17608762

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69408780T Expired - Fee Related DE69408780T2 (de) 1993-11-09 1994-10-31 Farbbildröhre mit verringerter dynamischer Fokussierspannung

Country Status (6)

Country Link
US (2) US5677591A (de)
EP (2) EP0805473A3 (de)
JP (1) JPH07134953A (de)
KR (1) KR0157098B1 (de)
CN (1) CN1050690C (de)
DE (1) DE69408780T2 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100381320B1 (ko) * 1994-05-06 2003-07-18 코닌클리케 필립스 일렉트로닉스 엔.브이. 디스플레이장치및음극선관
KR960019452A (ko) * 1994-11-04 1996-06-17 이헌조 칼라음극선관용 전자총구체
JPH08148095A (ja) * 1994-11-25 1996-06-07 Hitachi Ltd 電子銃およびこの電子銃を備えたカラー陰極線管
US5936338A (en) * 1994-11-25 1999-08-10 Hitachi, Ltd. Color display system utilizing double quadrupole lenses under optimal control
JPH08250037A (ja) * 1995-03-13 1996-09-27 Hitachi Ltd 陰極線管
BR9607311A (pt) * 1995-12-22 1997-11-25 Phililps Electronics N V Tubo de raios catódicos a cores e canhão eletrônico
JPH09320485A (ja) * 1996-03-26 1997-12-12 Sony Corp カラー陰極線管
JPH10255682A (ja) * 1997-03-14 1998-09-25 Sony Corp 陰極線管
TW414913B (en) 1997-10-20 2000-12-11 Toshiba Corp The cathode ray tube
TW522428B (en) 1998-04-10 2003-03-01 Hitachi Ltd Color cathode ray tube with a reduced dynamic focus voltage for an electrostatic quadrupole lens thereof
JP2000188068A (ja) * 1998-12-22 2000-07-04 Hitachi Ltd カラー陰極線管
CN1326187C (zh) * 2001-01-09 2007-07-11 株式会社东芝 阴极射线管装置
KR100719529B1 (ko) * 2001-03-19 2007-05-17 삼성에스디아이 주식회사 칼라 음극선관용 전자총
US6750601B2 (en) * 2001-09-14 2004-06-15 Lg Philips Displays Korea Co., Ltd. Electron gun for color cathode ray tube
KR100468422B1 (ko) * 2002-05-14 2005-01-27 엘지.필립스 디스플레이 주식회사 칼라음극선관용 전자총
KR100475173B1 (ko) * 2003-02-14 2005-03-10 엘지.필립스 디스플레이 주식회사 칼라 음극선관

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5351958A (en) * 1976-10-22 1978-05-11 Hitachi Ltd Electron gun
US4581560A (en) * 1981-12-16 1986-04-08 Hitachi, Ltd. Electron gun for color picture tube
JPS6199249A (ja) * 1984-10-18 1986-05-17 Matsushita Electronics Corp 受像管装置
JPH0719541B2 (ja) * 1985-04-30 1995-03-06 株式会社日立製作所 インライン型カラー受像管
US4771216A (en) * 1987-08-13 1988-09-13 Zenith Electronics Corporation Electron gun system providing for control of convergence, astigmatism and focus with a single dynamic signal
JP2791047B2 (ja) * 1988-09-16 1998-08-27 株式会社日立製作所 カラー受像管用電子銃
US4851741A (en) * 1987-11-25 1989-07-25 Hitachi, Ltd. Electron gun for color picture tube
JP2708493B2 (ja) * 1988-09-07 1998-02-04 株式会社日立製作所 カラー受像管
JPH0218540A (ja) * 1988-07-06 1990-01-22 Matsushita Electric Ind Co Ltd 透過式背面スクリーン
US4877998A (en) * 1988-10-27 1989-10-31 Rca Licensing Corp. Color display system having an electron gun with dual electrode modulation
US5061881A (en) * 1989-09-04 1991-10-29 Matsushita Electronics Corporation In-line electron gun
JP3053845B2 (ja) * 1990-06-07 2000-06-19 株式会社日立製作所 陰極線管
FR2682809B1 (fr) * 1991-10-21 1993-12-31 Thomson Tubes Displays Sa Tube a rayons cathodiques a canon a electrons ameliore.
JP2605202B2 (ja) * 1991-11-26 1997-04-30 三星電管株式會社 カラー陰極線管用電子銃
KR940005500B1 (ko) * 1991-12-17 1994-06-20 삼성전관 주식회사 칼라 음극선관용 전자총
US5170101A (en) * 1991-12-30 1992-12-08 Zenith Electronics Corporation Constant horizontal dimension symmetrical beam in-line electron gun
JPH05325825A (ja) * 1992-05-21 1993-12-10 Hitachi Ltd カラー陰極線管用電子銃
JPH0721936A (ja) * 1993-06-30 1995-01-24 Hitachi Ltd 陰極線管
JP3422842B2 (ja) * 1994-05-23 2003-06-30 株式会社日立製作所 陰極線管
JPH0831333A (ja) * 1994-07-19 1996-02-02 Hitachi Ltd カラー陰極線管

Also Published As

Publication number Publication date
EP0652583A1 (de) 1995-05-10
US5936337A (en) 1999-08-10
US5677591A (en) 1997-10-14
EP0652583B1 (de) 1998-03-04
CN1050690C (zh) 2000-03-22
KR0157098B1 (ko) 1998-10-15
DE69408780T2 (de) 1998-07-02
KR950015508A (ko) 1995-06-17
CN1106953A (zh) 1995-08-16
JPH07134953A (ja) 1995-05-23
EP0805473A2 (de) 1997-11-05
EP0805473A3 (de) 1998-07-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee