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 sameInfo
- 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
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
- H01J31/00—Cathode ray tubes; Electron beam tubes
- H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
- H01J31/10—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes
- H01J31/20—Image 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
- H01J31/201—Image 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
- H01J31/203—Image 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
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)
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 |
-
1971
- 1971-10-27 CA CA126,300A patent/CA942370A/en not_active Expired
- 1971-11-23 IT IT3150971A patent/IT941768B/en active
- 1971-11-23 AU AU36043/71A patent/AU468527B2/en not_active Expired
- 1971-11-30 DE DE19712159386 patent/DE2159386C3/en not_active Expired
- 1971-12-06 BE BE776320A patent/BE776320A/en unknown
- 1971-12-06 JP JP9857871A patent/JPS5118308B1/ja active Pending
- 1971-12-06 NL NL7116726A patent/NL171642C/en not_active IP Right Cessation
- 1971-12-06 FR FR7143673A patent/FR2117422A5/fr not_active Expired
- 1971-12-06 GB GB5660371A patent/GB1327364A/en not_active Expired
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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