CA921540A - Shadow mask - Google Patents
Shadow maskInfo
- Publication number
- CA921540A CA921540A CA067976A CA67976A CA921540A CA 921540 A CA921540 A CA 921540A CA 067976 A CA067976 A CA 067976A CA 67976 A CA67976 A CA 67976A CA 921540 A CA921540 A CA 921540A
- Authority
- CA
- Canada
- Prior art keywords
- shadow mask
- shadow
- mask
- 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
- 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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8497568A JPS4831018B1 (en) | 1968-11-21 | 1968-11-21 | |
| JP9650168A JPS4831019B1 (en) | 1968-12-30 | 1968-12-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA921540A true CA921540A (en) | 1973-02-20 |
Family
ID=26425944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA067976A Expired CA921540A (en) | 1968-11-21 | 1969-11-20 | Shadow mask |
Country Status (5)
| Country | Link |
|---|---|
| CA (1) | CA921540A (en) |
| DE (1) | DE1958534B2 (en) |
| FR (1) | FR2023823A1 (en) |
| GB (1) | GB1249954A (en) |
| NL (1) | NL140097B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5244511B2 (en) * | 1972-08-30 | 1977-11-08 | ||
| JPS6024533B2 (en) * | 1973-12-10 | 1985-06-13 | 日本電気株式会社 | How to make a shadow mask |
| US4136300A (en) | 1975-03-19 | 1979-01-23 | Rca Corporation | Cathode ray tube having improved shadow mask |
| SU1461377A3 (en) * | 1984-05-25 | 1989-02-23 | Рка Корпорейшн (Фирма) | Colour kinescope |
-
1969
- 1969-11-20 CA CA067976A patent/CA921540A/en not_active Expired
- 1969-11-20 GB GB5684769A patent/GB1249954A/en not_active Expired
- 1969-11-21 NL NL6917634A patent/NL140097B/en not_active IP Right Cessation
- 1969-11-21 FR FR6940226A patent/FR2023823A1/fr not_active Withdrawn
- 1969-11-21 DE DE19691958534 patent/DE1958534B2/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1958534A1 (en) | 1970-10-01 |
| DE1958534B2 (en) | 1971-09-02 |
| NL6917634A (en) | 1970-05-25 |
| GB1249954A (en) | 1971-10-13 |
| FR2023823A1 (en) | 1970-08-21 |
| NL140097B (en) | 1973-10-15 |
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