NL7415534A - Kathodestraalbuis. - Google Patents

Kathodestraalbuis.

Info

Publication number
NL7415534A
NL7415534A NL7415534A NL7415534A NL7415534A NL 7415534 A NL7415534 A NL 7415534A NL 7415534 A NL7415534 A NL 7415534A NL 7415534 A NL7415534 A NL 7415534A NL 7415534 A NL7415534 A NL 7415534A
Authority
NL
Netherlands
Prior art keywords
cathod
beam tube
tube
cathod beam
Prior art date
Application number
NL7415534A
Other languages
English (en)
Dutch (nl)
Original Assignee
Rca 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
Application filed by Rca Corp filed Critical Rca Corp
Publication of NL7415534A publication Critical patent/NL7415534A/xx

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
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/06—Screens for shielding; Masks interposed in the electron stream
    • 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
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/86—Vessels; Containers; Vacuum locks
    • H01J29/867—Means associated with the outside of the vessel for shielding, e.g. magnetic shields
    • 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
    • H01J2229/003—Preventing or cancelling fields entering the enclosure
    • 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
    • H01J2229/0046—Preventing or cancelling fields within the enclosure
    • H01J2229/0053—Demagnetisation

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
NL7415534A 1973-11-29 1974-11-28 Kathodestraalbuis. NL7415534A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US420324A US3867668A (en) 1973-11-29 1973-11-29 Cathode-ray tube having an internal-external magnetic shield and degaussing combination

Publications (1)

Publication Number Publication Date
NL7415534A true NL7415534A (nl) 1975-06-02

Family

ID=23665997

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7415534A NL7415534A (nl) 1973-11-29 1974-11-28 Kathodestraalbuis.

Country Status (12)

Country Link
US (1) US3867668A (xx)
JP (1) JPS5426418B2 (xx)
BE (1) BE822727A (xx)
BR (1) BR7409924A (xx)
CA (1) CA1017400A (xx)
DE (1) DE2456315A1 (xx)
ES (1) ES432172A1 (xx)
FR (1) FR2253267B1 (xx)
GB (1) GB1459656A (xx)
IT (1) IT1027576B (xx)
NL (1) NL7415534A (xx)
PL (1) PL100481B1 (xx)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5527957Y2 (xx) * 1974-05-20 1980-07-04
JPS52120518U (xx) * 1976-03-02 1977-09-13
JPS5413253A (en) * 1977-07-01 1979-01-31 Hitachi Ltd Color receiving tube
JPS5569938A (en) * 1978-11-21 1980-05-27 Toshiba Corp Color picture tube device
US4243913A (en) * 1979-08-29 1981-01-06 Rca Corporation Color picture tube magnetic shielding and degaussing structure
US4556821A (en) * 1984-03-15 1985-12-03 Rca Corporation Color image display system having an improved external magnetic shield
GB2177539B (en) * 1985-05-20 1989-07-05 Mitsubishi Electric Corp Magnetic shielding system in color television receiver
JPH07107831B2 (ja) * 1986-12-26 1995-11-15 ソニー株式会社 陰極線管
JPS63221790A (ja) * 1987-03-11 1988-09-14 Sony Corp 陰極線管
US4767969A (en) * 1987-05-26 1988-08-30 Honeywell, Inc. RF emission shield for CRT displays
US4996461A (en) * 1989-09-07 1991-02-26 Hughes Aircraft Company Closed loop bucking field system
US5081392A (en) * 1990-09-11 1992-01-14 Rca Thomson Licensing Corporation Color picture tube having an internal magnetic shield
US5097174A (en) * 1990-11-23 1992-03-17 Thomson Consumer Electronics, Inc. Color picture tube having an improved internal magnetic shield
ATE142047T1 (de) * 1991-03-08 1996-09-15 Philips Electronics Nv Farbbildwiedergaberöhre mit innerer magnetischer abschirmkappe
US5180947A (en) * 1991-04-23 1993-01-19 Alliant Techsystems Inc. Shielded cathode ray tube
US5229689A (en) * 1991-05-14 1993-07-20 Apple Computer, Inc. Electrostatic shield for nearfield alternating electrical field emission reduction in a CRT display
KR100234168B1 (ko) * 1997-06-28 1999-12-15 손욱 칼라 음극선관용 인너실드
KR20030010096A (ko) * 2001-07-25 2003-02-05 엘지.필립스디스플레이(주) 칼라 음극선관의 외부 자계 차폐구조체
US6686695B2 (en) * 2001-10-16 2004-02-03 Samsung Sdi Co., Ltd. Cathode ray tube having degaussing coil for minimizing variations in landing of electron beam
US11177114B1 (en) * 2020-09-15 2021-11-16 ICT Integrated Circuit Testing Gesellschaft für Halbleiterprüftechnik mbH Electrode arrangement, contact assembly for an electrode arrangement, charged particle beam device, and method of reducing an electrical field strength in an electrode arrangement

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3317781A (en) * 1963-12-19 1967-05-02 Rca Corp Television degaussing apparatus
US3322998A (en) * 1964-08-31 1967-05-30 Rca Corp Color purity correcting apparatus for colored television picture tubes
US3431454A (en) * 1967-07-31 1969-03-04 Zenith Radio Corp Cathode-ray tube magnetic shield and tube mount
US3564329A (en) * 1968-10-28 1971-02-16 Philco Ford Corp Shielding apparatus of metal plates strap-mounted on cathode ray tube for shielding against external magnetic fields
US3549932A (en) * 1969-04-04 1970-12-22 Motorola Inc Color television tube with shadow mask assembly provided with shield for reducing x-ray radiation and the effect of stray magnetic fields
US3571652A (en) * 1969-04-14 1971-03-23 Sony Corp Degaussing device for color picture tube having parallel-slitted beam-selecting grid
US3576395A (en) * 1969-05-21 1971-04-27 Sylvania Electric Prod Integral support and magentic shielding means for cathode-ray

Also Published As

Publication number Publication date
PL100481B1 (pl) 1978-10-31
DE2456315A1 (de) 1975-06-05
GB1459656A (en) 1976-12-22
JPS5426418B2 (xx) 1979-09-04
BE822727A (fr) 1975-03-14
FR2253267A1 (xx) 1975-06-27
FR2253267B1 (xx) 1979-07-06
CA1017400A (en) 1977-09-13
US3867668A (en) 1975-02-18
AU7567874A (en) 1976-05-27
ES432172A1 (es) 1976-09-16
JPS50114927A (xx) 1975-09-09
IT1027576B (it) 1978-12-20
BR7409924A (pt) 1976-05-25

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed