PL215496A1 - - Google Patents
Info
- Publication number
- PL215496A1 PL215496A1 PL21549679A PL21549679A PL215496A1 PL 215496 A1 PL215496 A1 PL 215496A1 PL 21549679 A PL21549679 A PL 21549679A PL 21549679 A PL21549679 A PL 21549679A PL 215496 A1 PL215496 A1 PL 215496A1
- Authority
- PL
- Poland
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
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US90454378A | 1978-05-10 | 1978-05-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL215496A1 true PL215496A1 (en) | 1980-03-24 |
Family
ID=25419335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL21549679A PL215496A1 (en) | 1978-05-10 | 1979-05-10 |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS54147775A (en) |
| BR (1) | BR7902434A (en) |
| DD (1) | DD144621A5 (en) |
| DE (1) | DE2914839A1 (en) |
| FI (1) | FI791257A (en) |
| FR (1) | FR2425717A1 (en) |
| GB (1) | GB2020892A (en) |
| IT (1) | IT1112302B (en) |
| PL (1) | PL215496A1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2906611C2 (en) * | 1979-02-21 | 1985-05-15 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Method of manufacturing a color selection mask for a color cathode ray tube |
| US4293792A (en) * | 1979-12-18 | 1981-10-06 | Rca Corporation | Color picture tube having improved slit type shadow mask |
| JPS577041A (en) * | 1980-05-12 | 1982-01-14 | Buckbee Mears Co | Structure with visual sense opening line and method of manufacturing same |
| CA1175876A (en) * | 1980-05-12 | 1984-10-09 | Roland Thoms | Television picture tubes and hole technology |
| US4429028A (en) * | 1982-06-22 | 1984-01-31 | Rca Corporation | Color picture tube having improved slit type shadow mask and method of making same |
| US4632726A (en) * | 1984-07-13 | 1986-12-30 | Bmc Industries, Inc. | Multi-graded aperture mask method |
| 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 |
-
1979
- 1979-04-10 GB GB7912618A patent/GB2020892A/en not_active Withdrawn
- 1979-04-11 DE DE19792914839 patent/DE2914839A1/en not_active Withdrawn
- 1979-04-16 JP JP4716579A patent/JPS54147775A/en active Pending
- 1979-04-17 IT IT21930/79A patent/IT1112302B/en active
- 1979-04-18 FI FI791257A patent/FI791257A/en not_active Application Discontinuation
- 1979-04-18 FR FR7909694A patent/FR2425717A1/en not_active Withdrawn
- 1979-04-20 DD DD79212368A patent/DD144621A5/en unknown
- 1979-04-20 BR BR7902434A patent/BR7902434A/en unknown
- 1979-05-10 PL PL21549679A patent/PL215496A1/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2914839A1 (en) | 1979-11-15 |
| DD144621A5 (en) | 1980-10-22 |
| JPS54147775A (en) | 1979-11-19 |
| FR2425717A1 (en) | 1979-12-07 |
| IT7921930A0 (en) | 1979-04-17 |
| IT1112302B (en) | 1986-01-13 |
| GB2020892A (en) | 1979-11-21 |
| BR7902434A (en) | 1979-12-11 |
| FI791257A (en) | 1979-11-11 |