CA961088A - Post focusing type colour picture tubes - Google Patents
Post focusing type colour picture tubesInfo
- Publication number
- CA961088A CA961088A CA160,218A CA160218A CA961088A CA 961088 A CA961088 A CA 961088A CA 160218 A CA160218 A CA 160218A CA 961088 A CA961088 A CA 961088A
- Authority
- CA
- Canada
- Prior art keywords
- picture tubes
- focusing type
- colour picture
- type colour
- post focusing
- 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
- 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
-
- 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
- H01J29/07—Shadow masks for colour television tubes
- H01J29/076—Shadow masks for colour television tubes characterised by the shape or distribution of beam-passing apertures
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP235472A JPS4874783A (en) | 1971-12-30 | 1971-12-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA961088A true CA961088A (en) | 1975-01-14 |
Family
ID=11526921
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA160,218A Expired CA961088A (en) | 1971-12-30 | 1972-12-29 | Post focusing type colour picture tubes |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS4874783A (en) |
CA (1) | CA961088A (en) |
DE (1) | DE2264122A1 (en) |
FR (1) | FR2166107B1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1546889A (en) * | 1975-03-19 | 1979-05-31 | Rca Corp | Cathode ray tube having shadow mask |
DE2732306C2 (en) * | 1977-07-16 | 1986-06-26 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Frame for a shadow mask of a color television picture tube |
DE2832919A1 (en) * | 1978-07-27 | 1980-02-14 | Licentia Gmbh | CRT colour selection electrode - has holes in mask shaped so that secondary electrons reflected from mask rim are prevented from passing through |
US4429028A (en) * | 1982-06-22 | 1984-01-31 | Rca Corporation | Color picture tube having improved slit type shadow mask and method of making same |
DE69422456T2 (en) * | 1993-08-25 | 2000-06-15 | Kabushiki Kaisha Toshiba, Kawasaki | Color cathode ray tube and its manufacturing process |
JPH07320652A (en) * | 1994-05-27 | 1995-12-08 | Toshiba Corp | Manufacture of color picture tube and shadow mask |
TW378334B (en) * | 1994-10-14 | 2000-01-01 | Thomson Consumer Electronics | Method of forming an enhanced resolution shadow mask |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2663821A (en) * | 1951-06-16 | 1953-12-22 | Rca Corp | Masked target kinescope |
US3519869A (en) * | 1967-04-11 | 1970-07-07 | Victor Company Of Japan | Shadow mask having apertures progressively tapered from center to periphery |
-
1971
- 1971-12-30 JP JP235472A patent/JPS4874783A/ja active Pending
-
1972
- 1972-12-27 FR FR7246516A patent/FR2166107B1/fr not_active Expired
- 1972-12-29 DE DE19722264122 patent/DE2264122A1/en active Pending
- 1972-12-29 CA CA160,218A patent/CA961088A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2264122A1 (en) | 1974-03-28 |
FR2166107A1 (en) | 1973-08-10 |
JPS4874783A (en) | 1973-10-08 |
FR2166107B1 (en) | 1976-08-27 |
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