EP0001673A3 - Colour selection electrode with elongate apertures in a colour display tube - Google Patents
Colour selection electrode with elongate apertures in a colour display tube Download PDFInfo
- Publication number
- EP0001673A3 EP0001673A3 EP78200260A EP78200260A EP0001673A3 EP 0001673 A3 EP0001673 A3 EP 0001673A3 EP 78200260 A EP78200260 A EP 78200260A EP 78200260 A EP78200260 A EP 78200260A EP 0001673 A3 EP0001673 A3 EP 0001673A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- colour
- display tube
- selection electrode
- elongate apertures
- colour display
- 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.)
- Granted
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 |
---|---|---|---|
NL7711713A NL7711713A (en) | 1977-10-26 | 1977-10-26 | COLOR IMAGE TUBE. |
NL7711713 | 1977-10-26 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0001673A2 EP0001673A2 (en) | 1979-05-02 |
EP0001673A3 true EP0001673A3 (en) | 1979-05-16 |
EP0001673B1 EP0001673B1 (en) | 1981-01-07 |
Family
ID=19829406
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP78200260A Expired EP0001673B1 (en) | 1977-10-26 | 1978-10-23 | Colour selection electrode with elongate apertures in a colour display tube |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0001673B1 (en) |
JP (1) | JPS5471556A (en) |
CA (1) | CA1121857A (en) |
DE (1) | DE2860435D1 (en) |
ES (1) | ES474452A1 (en) |
IT (1) | IT1099429B (en) |
NL (1) | NL7711713A (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5814735A (en) * | 1981-07-20 | 1983-01-27 | 忠見 佳彦 | Manufacture of interior finish material |
JPS5840745A (en) * | 1981-09-02 | 1983-03-09 | Sony Corp | Color cathode-ray tube |
US4631440A (en) * | 1985-04-29 | 1986-12-23 | North American Philips Consumer Electronics Corp. | Color cathode ray tube having smooth screen edges |
GB8708574D0 (en) * | 1987-04-10 | 1987-05-13 | Philips Nv | Colour cathode ray tube |
US5030881A (en) * | 1990-07-02 | 1991-07-09 | Rca Licensing Corporation | Color picture tube with shadow mask having improved aperture border |
US5583391A (en) * | 1995-11-15 | 1996-12-10 | Thomson Consumer Electronics, Inc. | Color picture tube shadow mask having improved mask aperture pattern |
KR100411512B1 (en) * | 1997-01-21 | 2004-02-14 | 엘지마이크론 주식회사 | Method for manufacturing effective portion of shadow mask |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2121826A3 (en) * | 1971-01-14 | 1972-08-25 | Ergon Spa | |
US3766419A (en) * | 1972-11-10 | 1973-10-16 | Rca Corp | Cathode-ray tube with shadow mask having random web distribution |
FR2198259A1 (en) * | 1972-08-30 | 1974-03-29 | Tokyo Shibaura Electric Co | |
US3925700A (en) * | 1973-12-10 | 1975-12-09 | Nippon Electric Co | Shadow mask for a black-stripe color picture tube having successively curved perforations |
FR2310628A1 (en) * | 1975-05-05 | 1976-12-03 | Rca Corp | SCREEN STRUCTURE FOR CATHODIC RAY TUBE, ESPECIALLY FOR COLOR TELEVISION |
-
1977
- 1977-10-26 NL NL7711713A patent/NL7711713A/en not_active Application Discontinuation
-
1978
- 1978-10-19 CA CA000313787A patent/CA1121857A/en not_active Expired
- 1978-10-23 DE DE7878200260T patent/DE2860435D1/en not_active Expired
- 1978-10-23 JP JP13037478A patent/JPS5471556A/en active Pending
- 1978-10-23 EP EP78200260A patent/EP0001673B1/en not_active Expired
- 1978-10-23 IT IT29012/78A patent/IT1099429B/en active
- 1978-10-24 ES ES474452A patent/ES474452A1/en not_active Expired
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2121826A3 (en) * | 1971-01-14 | 1972-08-25 | Ergon Spa | |
FR2198259A1 (en) * | 1972-08-30 | 1974-03-29 | Tokyo Shibaura Electric Co | |
US3766419A (en) * | 1972-11-10 | 1973-10-16 | Rca Corp | Cathode-ray tube with shadow mask having random web distribution |
US3925700A (en) * | 1973-12-10 | 1975-12-09 | Nippon Electric Co | Shadow mask for a black-stripe color picture tube having successively curved perforations |
FR2310628A1 (en) * | 1975-05-05 | 1976-12-03 | Rca Corp | SCREEN STRUCTURE FOR CATHODIC RAY TUBE, ESPECIALLY FOR COLOR TELEVISION |
Also Published As
Publication number | Publication date |
---|---|
DE2860435D1 (en) | 1981-02-26 |
EP0001673A2 (en) | 1979-05-02 |
CA1121857A (en) | 1982-04-13 |
IT7829012A0 (en) | 1978-10-23 |
ES474452A1 (en) | 1979-10-16 |
EP0001673B1 (en) | 1981-01-07 |
JPS5471556A (en) | 1979-06-08 |
IT1099429B (en) | 1985-09-18 |
NL7711713A (en) | 1979-05-01 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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PUAL | Search report despatched |
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