CA942370A - Cathode ray tube with four-piece internal magnetic shield and method of making same - Google Patents

Cathode ray tube with four-piece internal magnetic shield and method of making same

Info

Publication number
CA942370A
CA942370A CA126,300A CA126300A CA942370A CA 942370 A CA942370 A CA 942370A CA 126300 A CA126300 A CA 126300A CA 942370 A CA942370 A CA 942370A
Authority
CA
Canada
Prior art keywords
ray tube
cathode ray
magnetic shield
making same
internal magnetic
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
Application number
CA126,300A
Other versions
CA126300S (en
Inventor
Terry M. Shrader
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.)
RCA Corp
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
Application granted granted Critical
Publication of CA942370A publication Critical patent/CA942370A/en
Expired 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
    • H01J29/02Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/06Screens for shielding; Masks interposed in the electron stream
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00Cathode ray tubes; Electron beam tubes
    • H01J31/08Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
    • H01J31/10Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes
    • H01J31/20Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes for displaying images or patterns in two or more colours
    • H01J31/201Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes for displaying images or patterns in two or more colours using a colour-selection electrode
    • H01J31/203Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes for displaying images or patterns in two or more colours using a colour-selection electrode with more than one electron beam
CA126,300A 1970-12-07 1971-10-27 Cathode ray tube with four-piece internal magnetic shield and method of making same Expired CA942370A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9577970A 1970-12-07 1970-12-07

Publications (1)

Publication Number Publication Date
CA942370A true CA942370A (en) 1974-02-19

Family

ID=22253552

Family Applications (1)

Application Number Title Priority Date Filing Date
CA126,300A Expired CA942370A (en) 1970-12-07 1971-10-27 Cathode ray tube with four-piece internal magnetic shield and method of making same

Country Status (9)

Country Link
JP (1) JPS5118308B1 (en)
AU (1) AU468527B2 (en)
BE (1) BE776320A (en)
CA (1) CA942370A (en)
DE (1) DE2159386C3 (en)
FR (1) FR2117422A5 (en)
GB (1) GB1327364A (en)
IT (1) IT941768B (en)
NL (1) NL171642C (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0038516B1 (en) * 1980-04-17 1984-02-08 Kabushiki Kaisha Toshiba Color picture tube provided with an inner magnetic shield
NL8003608A (en) * 1980-06-23 1982-01-18 Philips Nv COLOR IMAGE TUBE.
KR900001701B1 (en) * 1985-03-20 1990-03-19 미쯔비시 뎅기 가부시끼가이샤 Color crt
BE1007665A3 (en) * 1993-10-22 1995-09-05 Philips Electronics Nv Colour picture tube with magnetic shielding
EP0650180B1 (en) * 1993-10-22 1997-09-17 Koninklijke Philips Electronics N.V. Color display tube having a magnetic shield
SG98404A1 (en) 2000-06-01 2003-09-19 Sony Electronics Singapore Pte A magnetic shield for a cathode ray tube

Also Published As

Publication number Publication date
NL171642C (en) 1983-04-18
AU3604371A (en) 1973-06-21
NL7116726A (en) 1972-06-09
DE2159386B2 (en) 1977-08-25
JPS5118308B1 (en) 1976-06-09
AU468527B2 (en) 1973-06-21
BE776320A (en) 1972-04-04
IT941768B (en) 1973-03-10
NL171642B (en) 1982-11-16
GB1327364A (en) 1973-08-22
DE2159386A1 (en) 1972-06-15
FR2117422A5 (en) 1972-07-21
DE2159386C3 (en) 1978-04-27

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