KR890004381A - Cathode ray device - Google Patents

Cathode ray device Download PDF

Info

Publication number
KR890004381A
KR890004381A KR1019880008673A KR880008673A KR890004381A KR 890004381 A KR890004381 A KR 890004381A KR 1019880008673 A KR1019880008673 A KR 1019880008673A KR 880008673 A KR880008673 A KR 880008673A KR 890004381 A KR890004381 A KR 890004381A
Authority
KR
South Korea
Prior art keywords
cathode ray
coil
ray device
screen
magnetically
Prior art date
Application number
KR1019880008673A
Other languages
Korean (ko)
Other versions
KR930000388B1 (en
Inventor
프란시스 헤브시 죠셉
Original Assignee
하워드 지.피거로아
인터내셔널 비지네스 머신즈 코포레이션
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 하워드 지.피거로아, 인터내셔널 비지네스 머신즈 코포레이션 filed Critical 하워드 지.피거로아
Publication of KR890004381A publication Critical patent/KR890004381A/en
Application granted granted Critical
Publication of KR930000388B1 publication Critical patent/KR930000388B1/en

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
    • H01J29/70—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
    • H01J29/003—Arrangements for eliminating unwanted electromagnetic effects, e.g. demagnetisation arrangements, shielding coils
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/0007—Elimination of unwanted or stray electromagnetic effects
    • H01J2229/0015—Preventing or cancelling fields leaving the enclosure

Abstract

요약 없음No summary

Description

음극선 장치Cathode ray device

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

제 4 도는 본 발명의 양호한 실시예에 따라 링(50)을 설치한 제 1 도와 유사한 개략도. 제 5 도는 본 발명의 양호한 실시예에 따라 링(50)을 설치한 제 2 도와 유사한 개략도.4 is a schematic view similar to the first diagram in which the ring 50 is installed according to a preferred embodiment of the present invention. 5 is a schematic view similar to the second diagram in which the ring 50 is installed according to a preferred embodiment of the present invention.

Claims (3)

시청용 스크린과 축으로부터 자기적으로 편향될 수 있지만 음극선관의 중심축에 배열되고 후부로부터 스크린에 방향된 충전입자비임을 발생하는 수단과, 축방향으로 배열된 와이어 세그멘트에서 나온 자기성분 및 상기 축에 관하여 원주로 배열된 와이어 세그멘트에서 나온 자기성분을 갖는 평향코일이 코일의 전면에 분포된 그물자계를 상승시키고, 상기 스크린 전면에 상기 분포된 그물자기방사를 감소시키는 음극선 장치에 있어서, 자기분로 수단은 상기 코일과 상기 스크린 사이에 배치되고, 상기 자기분로수단은 상기 코일의 전면에 분포된 상기 그물자계를 최소화시키도록 선택된 상기 코일에 관한 구성 및 위치를 갖는 자기적으로 침투성 있는 물질을 포함하는 것을 특징으로 하는 음극선 장치.Means for generating a charged particle beam arranged on the central axis of the cathode ray tube and directed from the rear to the screen, but magnetically derived from the axially arranged wire segment, which can be magnetically deflected from the viewing screen and the axis In a cathode ray device in which a planar coil having magnetic components circumferentially arranged in a wire segment raises a net magnetic field distributed on the front side of a coil and reduces the net magnetic radiation distributed on the front side of the screen. Means are disposed between the coil and the screen, the magnetic shunt means comprising a magnetically permeable material having a configuration and position relative to the coil selected to minimize the net magnetic field distributed over the front of the coil. Cathode ray device characterized in that. 제 1 항에 있어서, 상기 자기분로수단은 상기 중심측상에 집중된 자기적으로 침투성 있는 코일의 링을 포함하는 것을 특징으로 하는 음극선 장치.The cathode ray device according to claim 1, wherein said magnetic shunt means comprises a ring of magnetically permeable coils concentrated on said center side. 제 1 항에 있어서, 상기 자기분로수단은 구성 및 위치에 대한 실효 mu가 유효 mu에서 작은 양의 변화가 되도록 투자율을 갖는 선형 페라이트로 구성된 부품을 포함하는 것을 특징으로 하는 음극선 장치.The cathode ray device according to claim 1, wherein the magnetic shunt means includes a component composed of linear ferrite having a permeability such that the effective mu for the configuration and the position is a small amount change in the effective mu. ※ 참고사항 : 최초출원내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019880008673A 1987-08-13 1988-07-13 Magnetic shunt deflection yokes KR930000388B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US8494987A 1987-08-13 1987-08-13
US084,949 1987-08-13
US87-084,949 1987-08-13

Publications (2)

Publication Number Publication Date
KR890004381A true KR890004381A (en) 1989-04-21
KR930000388B1 KR930000388B1 (en) 1993-01-16

Family

ID=22188219

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880008673A KR930000388B1 (en) 1987-08-13 1988-07-13 Magnetic shunt deflection yokes

Country Status (14)

Country Link
EP (1) EP0302995B1 (en)
JP (1) JP2645572B2 (en)
KR (1) KR930000388B1 (en)
CN (1) CN1021172C (en)
AU (1) AU600158B2 (en)
BR (1) BR8802943A (en)
CA (1) CA1306281C (en)
DE (1) DE3889997T2 (en)
GB (1) GB2208034A (en)
HK (1) HK119794A (en)
IE (1) IE63796B1 (en)
IN (1) IN175123B (en)
MX (1) MX169727B (en)
NZ (1) NZ225468A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MY107095A (en) * 1989-03-13 1995-09-30 Ibm Magnetic shunt for defletion yokes.
CN1040934C (en) * 1991-07-18 1998-11-25 东芝株式会社 Cathode ray tube device and cathode ray tube image display apparatus
KR950011706B1 (en) * 1992-11-10 1995-10-07 삼성전관주식회사 Focus magnets of d.y

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB743426A (en) * 1953-04-29 1956-01-18 Gen Electric Co Ltd Improvements in or relating to arrangements including cathode ray tubes
NL262281A (en) * 1960-03-17
US3576395A (en) * 1969-05-21 1971-04-27 Sylvania Electric Prod Integral support and magentic shielding means for cathode-ray
JPS50114230U (en) * 1974-02-28 1975-09-18
NL7609374A (en) * 1976-08-24 1978-02-28 Philips Nv DEVICE FOR DISPLAYING TELEVISION IMAGES, DEVICE COIL SYSTEM FOR SUCH DEVICE AND PICTURE TUBE FITTED WITH SUCH DEFLECTION COIL SYSTEM.
EP0038516B1 (en) * 1980-04-17 1984-02-08 Kabushiki Kaisha Toshiba Color picture tube provided with an inner magnetic shield
US4547697A (en) * 1983-07-22 1985-10-15 North American Philips Consumer Electronics Corp. CRT Shunt retaining means
JPS60189947U (en) * 1984-05-28 1985-12-16 三菱電機株式会社 electromagnetic deflection yoke
JPS60253135A (en) * 1984-05-28 1985-12-13 Mitsubishi Electric Corp Display device
DK29385A (en) * 1984-10-09 1986-04-10 Viggo Berthelsen PROCEDURE AND APPARATUS FOR ELIMINATING THE POWER FROM A MAGNET FIELD AND PROTECTION AGAINST THE SAME
DE3439808A1 (en) * 1984-10-31 1986-04-30 Standard Elektrik Lorenz Ag, 7000 Stuttgart DEFLECTION SYSTEM FOR COLORED TUBES
US4943755A (en) * 1985-05-20 1990-07-24 Mitsubishi Denki Kabushiki Kaisha Magnetic shielding with constant-current coils for CRT
NL8602397A (en) * 1985-10-25 1987-05-18 Philips Nv IMAGE DISPLAY DEVICE WITH ANTI-DISORDERS.
DE3704648C3 (en) * 1986-02-17 1997-09-18 Murata Manufacturing Co Deflection yoke unit with auxiliary coils to reduce unwanted radiation
JP2611196B2 (en) * 1986-02-20 1997-05-21 日本ビクター株式会社 CRT image display device

Also Published As

Publication number Publication date
GB2208034A (en) 1989-02-15
EP0302995A1 (en) 1989-02-15
JP2645572B2 (en) 1997-08-25
AU600158B2 (en) 1990-08-02
DE3889997T2 (en) 1994-12-01
DE3889997D1 (en) 1994-07-14
IE882459L (en) 1989-02-13
IN175123B (en) 1995-04-22
EP0302995B1 (en) 1994-06-08
BR8802943A (en) 1989-02-21
JPS6445046A (en) 1989-02-17
MX169727B (en) 1993-07-21
NZ225468A (en) 1990-11-27
HK119794A (en) 1994-11-11
AU2055588A (en) 1989-02-16
CN1021172C (en) 1993-06-09
IE63796B1 (en) 1995-06-14
CN1031297A (en) 1989-02-22
KR930000388B1 (en) 1993-01-16
CA1306281C (en) 1992-08-11
GB8807138D0 (en) 1988-04-27

Similar Documents

Publication Publication Date Title
NO864238D0 (en) PICTURE propagator.
CA2080656A1 (en) Saturable core proximity sensor including a flux director
JPS57206173A (en) Focusing deflecting device for charged corpuscule beam
SU824901A3 (en) Magnetic system
GB1163548A (en) Magnetic deflection system for beams of chareged particles
DK621087A (en) DEVICE IN IMAGE BOOKS TO REDUCE THE MAGNETIC FIELD STRENGTH IN THE ENVIRONMENT OF THE IMAGE BOOKS
KR890004381A (en) Cathode ray device
JPS58129734A (en) Composite magnetic field particle flux lens and particle flux lithographic device
DE3065272D1 (en) Compensated magnetic deflection coil for electron beam lithography systems
DE3875554D1 (en) Deflection coil with suppression of overshoot for cathode ray tubes.
GB1246152A (en) Magnetic deflection apparatus
BR7306364D0 (en) CATHODIC RAY TUBES AND MAGNETIC DEFLECTION COIL MOUNTED ON THE SAME, AND, ASSEMBLY PROCESS OF THE SAME
US2795717A (en) Cathode ray beam centering apparatus
GB2022359A (en) Geophone with shaped magnetic field
KR880014820A (en) Compensation coil system of image display device
JPS57131200A (en) Electromagnetic driving system
GB1355252A (en) Electron lenses of the magnetic field type
JPS649302A (en) Non-contact displacement detector
KR880014635A (en) Image display system
DE59301868D1 (en) Magnetic shield resolver
ES463367A1 (en) Device for the magnetic deflection of electron beams
GB1378707A (en) Electromagnet sensor structure for magnetic cards
KR880010464A (en) Image display
SU918989A1 (en) Device for cathode ray tube beam focusing and deflection
MY107095A (en) Magnetic shunt for defletion yokes.

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20051213

Year of fee payment: 14

LAPS Lapse due to unpaid annual fee