BE718131A - - Google Patents
Info
- Publication number
- BE718131A BE718131A BE718131DA BE718131A BE 718131 A BE718131 A BE 718131A BE 718131D A BE718131D A BE 718131DA BE 718131 A BE718131 A BE 718131A
- Authority
- BE
- Belgium
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
- H01J29/073—Mounting arrangements associated with shadow masks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
-
- 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
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/48—Electron guns
- H01J29/50—Electron guns two or more guns in a single vacuum space, e.g. for plural-ray tube
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electrodes For Cathode-Ray Tubes (AREA)
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
- Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6709978A NL6709978A (en:Method) | 1967-07-18 | 1967-07-18 | |
| NL6809258A NL156857B (nl) | 1967-07-18 | 1968-06-29 | Elektronenstraalbuis met een elektronenkanon voor het opwekken van drie elektronenbundels. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE718131A true BE718131A (en:Method) | 1969-01-16 |
Family
ID=26644218
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE718131D BE718131A (en:Method) | 1967-07-18 | 1968-07-16 | |
| BE718132D BE718132A (en:Method) | 1967-07-18 | 1968-07-16 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE718132D BE718132A (en:Method) | 1967-07-18 | 1968-07-16 |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS521267B1 (en:Method) |
| BE (2) | BE718131A (en:Method) |
| CH (2) | CH489899A (en:Method) |
| DE (2) | DE1764596C3 (en:Method) |
| FR (2) | FR1572071A (en:Method) |
| GB (2) | GB1230109A (en:Method) |
| NL (2) | NL6709978A (en:Method) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4520292A (en) * | 1983-05-06 | 1985-05-28 | Rca Corporation | Cathode-ray tube having an asymmetric slot formed in a screen grid electrode of an inline electron gun |
| US4608515A (en) * | 1985-04-30 | 1986-08-26 | Rca Corporation | Cathode-ray tube having a screen grid with asymmetric beam focusing means and refraction lens means formed therein |
| US4634924A (en) * | 1985-08-06 | 1987-01-06 | Rca Corporation | Electron gun having cylindrical focus lens |
-
1967
- 1967-07-18 NL NL6709978A patent/NL6709978A/xx unknown
-
1968
- 1968-06-29 NL NL6809258A patent/NL156857B/xx not_active IP Right Cessation
- 1968-07-02 DE DE19681764596 patent/DE1764596C3/de not_active Expired
- 1968-07-11 DE DE19681762578 patent/DE1762578C3/de not_active Expired
- 1968-07-15 GB GB1230109D patent/GB1230109A/en not_active Expired
- 1968-07-15 JP JP4954568A patent/JPS521267B1/ja active Pending
- 1968-07-15 GB GB1228809D patent/GB1228809A/en not_active Expired
- 1968-07-15 CH CH1054168A patent/CH489899A/de not_active IP Right Cessation
- 1968-07-15 CH CH1054068A patent/CH483721A/de not_active IP Right Cessation
- 1968-07-16 BE BE718131D patent/BE718131A/xx unknown
- 1968-07-16 BE BE718132D patent/BE718132A/xx unknown
- 1968-07-18 FR FR1572071D patent/FR1572071A/fr not_active Expired
- 1968-07-18 FR FR1572072D patent/FR1572072A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH489899A (de) | 1970-04-30 |
| BE718132A (en:Method) | 1969-01-16 |
| DE1764596C3 (de) | 1978-11-09 |
| DE1764596B2 (de) | 1978-03-16 |
| NL6809258A (en:Method) | 1969-12-31 |
| DE1764596A1 (de) | 1971-09-09 |
| CH483721A (de) | 1969-12-31 |
| FR1572071A (en:Method) | 1969-06-20 |
| FR1572072A (en:Method) | 1969-06-20 |
| GB1228809A (en:Method) | 1971-04-21 |
| NL6709978A (en:Method) | 1969-01-21 |
| DE1762578C3 (de) | 1978-11-23 |
| DE1762578B2 (de) | 1978-03-23 |
| NL156857B (nl) | 1978-05-16 |
| JPS521267B1 (en:Method) | 1977-01-13 |
| DE1762578A1 (de) | 1970-10-01 |
| GB1230109A (en:Method) | 1971-04-28 |