KR910005366A - Color cathode ray tube with improved deflection aberration - Google Patents

Color cathode ray tube with improved deflection aberration Download PDF

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Publication number
KR910005366A
KR910005366A KR1019900012025A KR900012025A KR910005366A KR 910005366 A KR910005366 A KR 910005366A KR 1019900012025 A KR1019900012025 A KR 1019900012025A KR 900012025 A KR900012025 A KR 900012025A KR 910005366 A KR910005366 A KR 910005366A
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South Korea
Prior art keywords
magnetic field
electron gun
pair
field generating
generating device
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KR1019900012025A
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Korean (ko)
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KR930004108B1 (en
Inventor
다께시 후지와라
기요시 도끼따
마사쯔구 이노우에
Original Assignee
아오이 죠이찌
가부시끼가이샤 도시바
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Priority claimed from JP20244689A external-priority patent/JP2862575B2/en
Priority claimed from JP25210589A external-priority patent/JP2859900B2/en
Application filed by 아오이 죠이찌, 가부시끼가이샤 도시바 filed Critical 아오이 죠이찌
Publication of KR910005366A publication Critical patent/KR910005366A/en
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Publication of KR930004108B1 publication Critical patent/KR930004108B1/en

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    • 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
    • H01J29/70—Arrangements for deflecting ray or beam
    • H01J29/701—Systems for correcting deviation or convergence of a plurality of beams by means of magnetic fields at least
    • H01J29/702—Convergence correction arrangements therefor
    • H01J29/703—Static convergence systems
    • 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
    • H01J29/70—Arrangements for deflecting ray or beam
    • 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
    • H01J29/56—Arrangements for controlling cross-section of ray or beam; Arrangements for correcting aberration of beam, e.g. due to lenses
    • H01J29/566—Arrangements for controlling cross-section of ray or beam; Arrangements for correcting aberration of beam, e.g. due to lenses for correcting aberration
    • 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
    • H01J29/70—Arrangements for deflecting ray or beam
    • H01J29/72—Arrangements for deflecting ray or beam along one straight line or along two perpendicular straight lines
    • H01J29/76—Deflecting by magnetic fields only

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  • Video Image Reproduction Devices For Color Tv Systems (AREA)

Abstract

내용 없음No content

Description

편향수차를 개선한 칼라 음극선관Color cathode ray tube with improved deflection aberration

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제6도는 본 발명의 한 실시예에 관한 칼라음극선관의 개략 단면도.6 is a schematic cross-sectional view of a color cathode ray tube according to an embodiment of the present invention.

제7도는 제6도의 칼라음극선관에 장착된 편향장치 및 그 편향장치에 부착된 2쌍의 영구자석을 나타낸 사시도.FIG. 7 is a perspective view showing a deflection device mounted on the color cathode ray tube of FIG. 6 and two pairs of permanent magnets attached to the deflection device.

제8도는 제7도에 나타낸 2쌍의 영구자석이 발생하는 핀구션형 자계를 설명하기 위한 도면.FIG. 8 is a diagram for explaining a pincushion type magnetic field in which two pairs of permanent magnets shown in FIG.

제17도는 제2의 실시예에 관한 칼라음극선관을 개략적으로 나타낸 단면도.Fig. 17 is a sectional view schematically showing a color cathode ray tube according to the second embodiment.

제18도는 본 발명의 제3실시예에 관한 칼라음극선관의 개략 단면도.18 is a schematic cross-sectional view of a color cathode ray tube according to a third embodiment of the present invention.

Claims (7)

관축을 가진 엔빌로프와 센터비임 및 2개의 사이드비임을 동일한 평면내에 방출하는 인라인형 전자총장치와 그 전자비임을 전술한 면을 따라서 제1방향으로 편향하는 주로 핀쿠션형의 편향자계를 발생시키는 동시에 전자비임을 제1방향으로 직교하는 제2방향으로 편향하는 주로 배럴형 편향자계를 발생시키는 편향자계 발생장치와, 편향자계 발생장치와 전자총 장치와의 사이에서 자계 발생장치측에 위치하여 편향자계 발생장치와 전자총 장치와의 사이에서 자계 발생장치측에 위치하여 편향자계 발생장치의 중심축에 관하여 축대칭으로 제1방향을 따라서 배치되며 또한 극성이 역방향으로 대향하며 항상 핀쿠션형의 제1보정자계를 발생하는 제1의 1쌍의 영구자석과 그리고 편향자계 발생장치와 전자총 장치와의 사이에서 전자총 장치측의 제1의 1쌍의 영구자석에서 분리해서 위치하고 편향자계발생장치의 중심축에 관해서 축대칭으로 제2방향을 따라서 배치되며 또한 극성이 역방향으로 대향하고 항상 핀쿠션형의 제2의 보정자계를 발생하는 제2의 1쌍의 영구자석으로 구성되어 있는 것을 특징으로 하는 칼라음극선관 장치.An in-line electron gun device that emits an envelope with a tube axis, a center beam, and two side beams in the same plane, and generates a mainly pincushion-type deflection magnetic field that deflects the electron beam in a first direction along the above-mentioned planes. A deflection magnetic field generating device that mainly generates a barrel-type deflection magnetic field that deflects the beam in a second direction orthogonal to the first direction, and is located on the magnetic field generating device side between the deflection magnetic field generating device and the electron gun device, and is a deflection magnetic field generating device. Located on the magnetic field generating device side with the electron gun device and arranged along the first direction in the axisymmetrical direction with respect to the central axis of the deflecting magnetic field generating device, and having opposite polarities in the opposite direction and always generating the first cushioning magnetic field of the pincushion type. The first pair of permanent magnets and the first pair on the electron gun apparatus side between the deflection field generator and the electron gun apparatus It is separated from the permanent magnet and is arranged along the second direction in the axisymmetric with respect to the central axis of the deflection magnetic field generator, and has a second pair of polarities that are opposite to each other and always generate a second pincushion type correction magnetic field. Color cathode ray tube device, characterized in that consisting of a permanent magnet. 제1항에 있어서, 제1 및 제2의 1쌍의 영구자석이 엔빌로프밖에 설치되어 있는 것을 특징으로 하는 칼라음극선관 장치.2. The color cathode ray tube device according to claim 1, wherein the first and second pair of permanent magnets are provided outside the envelope. 제1항에 있어서, 제2의 한쌍의 영구자석이 엔빌로프내의 전자총 장치내에 설치되어 있는 것을 특징으로 하는 칼라음극선관 장치.The color cathode ray tube device according to claim 1, wherein a second pair of permanent magnets are provided in an electron gun device in the envelope. 관축을 가진 엔빌로프의 센터비임 및 2개의 사이드비임을 동일한 평면내에 방출하는 인라인형 전자총 장치와 그 전자비임을 전술한 면을 따라서 제1방향으로 편향하는 주로 핀쿠션형의 편향자계를 발생시키는 동시에 전자비임을 제1방향으로 직교하는 제2방향으로 편향하는 주로 배럴형 편향자계를 발생시키는 편향자계 발생장치와 편향자계 발생장치와 전자총 장치와의 사이에서 자계발생 장치측에 위치하여 편향자계발생 장치의 관축에 관해서 축대칭으로 제1방향을 따라서 배치되며 게다가 극성이 역방향으로 대향되어 항상 핀쿠션형의 제1보정자계를 발생하는 제1의 2쌍의 영구자석과, 편향자계 발생장치와 전자총 장치와의 사이에서 전자총 장치측의 제1의 1쌍의 영구자석에서 전자총 장치측으로 분리되어 위치하고 편향자계발생장치의 관축에 관해서 축대칭으로 제1 및 제2방향의 어느쪽인가를 따라서 배치되며 게다가 대향하는 제1의 1쌍의 영구자석과는 극성을 역방향으로 하며 항상 핀쿠션형으로 제2의 보정자계를 발생하는 제2의 1쌍의 영구자석으로 구성되어 있는 것을 특징으로 하는 칼라음극선관 장치.An inline electron gun device that emits a center beam and two side beams of a tube-shaped envelope in the same plane, and generates a predominantly pincushion-type deflection magnetic field that deflects the electron beam in the first direction along the plane described above. A deflection magnetic field generating device which mainly generates a barrel-type deflection magnetic field that deflects a beam in a second direction orthogonal to a first direction, is located on the magnetic field generating device side between the deflection magnetic field generating device and the electron gun device, The first two pairs of permanent magnets arranged along the first direction with axis symmetry with respect to the tube axis, and in opposite polarities to always generate a first pincushion type first correction magnetic field, and a deflection magnetic field generating device and an electron gun device. Between the first pair of permanent magnets on the electron gun device side and separated from the electron gun device side on the tube axis of the deflection magnetic field generating device. Second axis which is arranged axially symmetrically along either of the first and second directions, and in opposite polarity with the opposing first pair of permanent magnets, and always generates a second correction magnetic field in a pincushion type. Color cathode ray tube device, characterized in that composed of a pair of permanent magnets. 제4항에 있어서, 그안에 전자총 장치를 수납하고 편향자계 발생장치가 그 바깥둘레에 설치된 엔빌로프를 포함하고 있는 것을 특징으로 하는 칼라음극선관 장치.5. The color cathode ray tube device according to claim 4, wherein an electron gun device is housed therein and a deflection field generating device includes an envelope provided at an outer circumference thereof. 제4항에 있어서, 제1 및 제2의 1쌍의 영구자석이 엔빌로프 외부에 설치되어 있는 것을 특징으로 하는 칼라음극선관 장치.5. The color cathode ray tube device according to claim 4, wherein the first and second pair of permanent magnets are provided outside the envelope. 제4항에 있어서, 제2의 1쌍의 영구자석이 엔빌로프내에 설치되어 있는 것을 특징으로 하는 칼라음극선관 장치.The color cathode ray tube device according to claim 4, wherein a second pair of permanent magnets are provided in an envelope. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900012025A 1989-08-04 1990-08-03 Color cathode-ray tube for improving deflection unit KR930004108B1 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP1-202446 1989-08-04
JP20244689A JP2862575B2 (en) 1989-08-04 1989-08-04 Color picture tube
JP01-202446 1989-08-04
JP25210589A JP2859900B2 (en) 1989-09-29 1989-09-29 Color picture tube
JP1-252105 1989-09-29
JP01-252105 1989-09-29

Publications (2)

Publication Number Publication Date
KR910005366A true KR910005366A (en) 1991-03-30
KR930004108B1 KR930004108B1 (en) 1993-05-20

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Application Number Title Priority Date Filing Date
KR1019900012025A KR930004108B1 (en) 1989-08-04 1990-08-03 Color cathode-ray tube for improving deflection unit

Country Status (4)

Country Link
EP (1) EP0415125B1 (en)
KR (1) KR930004108B1 (en)
CN (1) CN1018408B (en)
DE (1) DE69028968T2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69020478T2 (en) * 1989-10-02 1996-02-22 Philips Electronics Nv Color picture tube system with reduced stain growth.
MY120102A (en) * 1995-02-28 2005-09-30 Toshiba Kk A deflection unit having a distortion correcting coil in a cathode ray tube apparatus

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS542623A (en) * 1977-06-08 1979-01-10 Toshiba Corp Color picture tube of beam-index type
JPH0670895B2 (en) * 1986-10-31 1994-09-07 株式会社東芝 Color picture tube

Also Published As

Publication number Publication date
KR930004108B1 (en) 1993-05-20
EP0415125B1 (en) 1996-10-23
DE69028968T2 (en) 1997-04-03
CN1018408B (en) 1992-09-23
CN1049751A (en) 1991-03-06
DE69028968D1 (en) 1996-11-28
EP0415125A1 (en) 1991-03-06

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