FR2023823A1 - - Google Patents
Info
- Publication number
- FR2023823A1 FR2023823A1 FR6940226A FR6940226A FR2023823A1 FR 2023823 A1 FR2023823 A1 FR 2023823A1 FR 6940226 A FR6940226 A FR 6940226A FR 6940226 A FR6940226 A FR 6940226A FR 2023823 A1 FR2023823 A1 FR 2023823A1
- Authority
- FR
- France
- 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.)
- Withdrawn
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 |
---|---|
FR2023823A1 true FR2023823A1 (en) | 1970-08-21 |
Family
ID=26425944
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR6940226A Withdrawn FR2023823A1 (en) | 1968-11-21 | 1969-11-21 |
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) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2198259A1 (en) * | 1972-08-30 | 1974-03-29 | Tokyo Shibaura Electric Co |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2198259A1 (en) * | 1972-08-30 | 1974-03-29 | Tokyo Shibaura Electric Co |
Also Published As
Publication number | Publication date |
---|---|
NL6917634A (en) | 1970-05-25 |
DE1958534B2 (en) | 1971-09-02 |
NL140097B (en) | 1973-10-15 |
CA921540A (en) | 1973-02-20 |
GB1249954A (en) | 1971-10-13 |
DE1958534A1 (en) | 1970-10-01 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |