NL190825C - Shade mask for a color cathode ray tube. - Google Patents
Shade mask for a color cathode ray tube.Info
- Publication number
- NL190825C NL190825C NL8902852A NL8902852A NL190825C NL 190825 C NL190825 C NL 190825C NL 8902852 A NL8902852 A NL 8902852A NL 8902852 A NL8902852 A NL 8902852A NL 190825 C NL190825 C NL 190825C
- Authority
- NL
- Netherlands
- Prior art keywords
- ray tube
- cathode ray
- color cathode
- shade mask
- shade
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/20—Manufacture of screens on or from which an image or pattern is formed, picked up, converted or stored; Applying coatings to the vessel
- H01J9/22—Applying luminescent coatings
- H01J9/227—Applying luminescent coatings with luminescent material discontinuously arranged, e.g. in dots or lines
- H01J9/2271—Applying luminescent coatings with luminescent material discontinuously arranged, e.g. in dots or lines by photographic processes
- H01J9/2272—Devices for carrying out the processes, e.g. light houses
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Electrodes For Cathode-Ray Tubes (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR880019155 | 1988-11-26 | ||
KR880019155 | 1988-11-26 |
Publications (3)
Publication Number | Publication Date |
---|---|
NL8902852A NL8902852A (en) | 1990-06-18 |
NL190825B NL190825B (en) | 1994-04-05 |
NL190825C true NL190825C (en) | 1994-09-01 |
Family
ID=19281610
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL8902852A NL190825C (en) | 1988-11-26 | 1989-11-20 | Shade mask for a color cathode ray tube. |
Country Status (2)
Country | Link |
---|---|
GB (1) | GB2226695B (en) |
NL (1) | NL190825C (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0487106B1 (en) * | 1990-11-22 | 1997-07-02 | Kabushiki Kaisha Toshiba | Shadow mask for color cathode ray tube |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2947899A (en) * | 1958-01-23 | 1960-08-02 | Zenith Radio Corp | Color image reproducers |
US4109177A (en) * | 1971-07-22 | 1978-08-22 | Rca Corporation | Cathode-ray tube having apertured mask |
JPS5129635B2 (en) * | 1971-09-21 | 1976-08-26 | ||
US3834905A (en) * | 1973-05-23 | 1974-09-10 | Rca Corp | Method of making elliptically or rectangularly graded photoprinting masters |
US4296189A (en) * | 1979-05-24 | 1981-10-20 | Rca Corporation | Color picture tube having improved slit type shadow mask and method of making same |
FR2589002B1 (en) * | 1985-10-22 | 1994-09-23 | Videocolor | COLOR TELEVISION TUBE OF THE MASK TYPE AND MANUFACTURING METHOD THEREOF |
US4745329A (en) * | 1986-06-17 | 1988-05-17 | Zenith Electronics Corporation | Front assembly for an ultra-high resolution color cathode ray tube having an improved shadow mask compensated for diffraction and process therefor |
GB8708574D0 (en) * | 1987-04-10 | 1987-05-13 | Philips Nv | Colour cathode ray tube |
-
1989
- 1989-11-20 NL NL8902852A patent/NL190825C/en not_active IP Right Cessation
- 1989-11-23 GB GB8926462A patent/GB2226695B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
NL190825B (en) | 1994-04-05 |
GB8926462D0 (en) | 1990-01-10 |
GB2226695B (en) | 1993-06-16 |
GB2226695A (en) | 1990-07-04 |
NL8902852A (en) | 1990-06-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE68923639D1 (en) | Cathode ray tube. | |
DE69017350D1 (en) | Color cathode ray tube. | |
FR2663154B1 (en) | CATHODE RAY TUBE. | |
KR900008606A (en) | Shadow mask type color cathode ray tube | |
NL194106B (en) | Shadow mask frame for color picture tube. | |
NL193962B (en) | Electron gun for a color cathode ray tube. | |
DE68920278D1 (en) | Cathode ray tube. | |
DE69012503D1 (en) | Color cathode ray tube. | |
DE69127534D1 (en) | COLOR CATHODE RAY TUBE | |
DE68922966D1 (en) | Cathode ray tube. | |
DE68911083D1 (en) | Cathode ray tube. | |
DE69215453D1 (en) | COLOR CATHODE RAY TUBE | |
DE69200815D1 (en) | Color cathode ray tube. | |
DE69018520D1 (en) | Color cathode ray tube. | |
NL190794C (en) | Shadow mask for a color cathode ray tube. | |
NL190825C (en) | Shade mask for a color cathode ray tube. | |
NL1003329A1 (en) | Window construction for a cathode ray tube. | |
KR920013605U (en) | Color cathode ray tube | |
DE69025634D1 (en) | Color cathode ray tube | |
DE69118719D1 (en) | Color cathode ray tube | |
KR920702007A (en) | Cathode ray tube for color | |
DE69110601D1 (en) | A sealed cathode ray tube. | |
KR940017836U (en) | Projection cathode ray tube | |
DE69019687D1 (en) | Color cathode ray tube. | |
DE69300226D1 (en) | Cathode ray tube. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A1A | 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 | ||
V1 | Lapsed because of non-payment of the annual fee |
Effective date: 20030601 |