FR2178229A1 - - Google Patents
Info
- Publication number
- FR2178229A1 FR2178229A1 FR7311518A FR7311518A FR2178229A1 FR 2178229 A1 FR2178229 A1 FR 2178229A1 FR 7311518 A FR7311518 A FR 7311518A FR 7311518 A FR7311518 A FR 7311518A FR 2178229 A1 FR2178229 A1 FR 2178229A1
- 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.)
- 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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US23951472A | 1972-03-30 | 1972-03-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2178229A1 true FR2178229A1 (fr) | 1973-11-09 |
| FR2178229B3 FR2178229B3 (fr) | 1976-03-26 |
Family
ID=22902501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7311518A Expired FR2178229B3 (fr) | 1972-03-30 | 1973-03-30 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3777204A (fr) |
| BE (1) | BE797488A (fr) |
| DE (1) | DE2315354A1 (fr) |
| FR (1) | FR2178229B3 (fr) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7303077A (fr) * | 1973-03-06 | 1974-09-10 | ||
| US3900757A (en) * | 1973-06-20 | 1975-08-19 | Zenith Radio Corp | Shadow mask and phosphor screen for color cathode ray tube having major axes of apertures and elements canted to beam scan direction |
| US4326147A (en) * | 1975-08-18 | 1982-04-20 | Hitachi, Ltd. | Slotted shadow mask having apertures spaced to minimize moire |
| JPS5725657A (en) * | 1980-07-23 | 1982-02-10 | Hitachi Ltd | Character display color picture tube |
| JP2845908B2 (ja) * | 1988-11-30 | 1999-01-13 | 株式会社日立製作所 | シャドウマスク型カラー陰極線管 |
| NL1002009C2 (nl) * | 1996-01-02 | 1997-07-03 | Barten Video Systems B V | Kleurenbeeldbuis met verminderde afbuigingsdefocussering. |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA598213A (en) * | 1960-05-17 | F. De Haan Edward | Colour-television picture tube | |
| JPS5347658B1 (fr) * | 1969-01-24 | 1978-12-22 | ||
| JPS4826175B1 (fr) * | 1969-02-17 | 1973-08-07 | ||
| US3652895A (en) * | 1969-05-23 | 1972-03-28 | Tokyo Shibaura Electric Co | Shadow-mask having graduated rectangular apertures |
-
1972
- 1972-03-30 US US00239514A patent/US3777204A/en not_active Expired - Lifetime
-
1973
- 1973-03-28 DE DE2315354A patent/DE2315354A1/de active Pending
- 1973-03-29 BE BE2052642A patent/BE797488A/fr unknown
- 1973-03-30 FR FR7311518A patent/FR2178229B3/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2178229B3 (fr) | 1976-03-26 |
| US3777204A (en) | 1973-12-04 |
| BE797488A (fr) | 1973-10-01 |
| DE2315354A1 (de) | 1973-10-25 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |