JPS5796448A - Grid for cathode-ray tube - Google Patents
Grid for cathode-ray tubeInfo
- Publication number
- JPS5796448A JPS5796448A JP17361080A JP17361080A JPS5796448A JP S5796448 A JPS5796448 A JP S5796448A JP 17361080 A JP17361080 A JP 17361080A JP 17361080 A JP17361080 A JP 17361080A JP S5796448 A JPS5796448 A JP S5796448A
- Authority
- JP
- Japan
- Prior art keywords
- frame
- sides
- grid elements
- grid
- opposed
- 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.)
- Pending
Links
Landscapes
- Electrodes For Cathode-Ray Tubes (AREA)
- Greenhouses (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
Abstract
PURPOSE: To heighten the beam transmissivity, by laying metal wires in parallel with each other between the opposed sides of a rectangulat frame so that the metal wires extend on two different planes; and by insulating the metal wires on one plane from the frame.
CONSTITUTION: Grid elements G1, G2 made of metal wire 2 are laid in parallel with each other between the opposed sides 1a, 1b of a rectangular metal frame 1 and between its other opposed sides 1c, 1d. The grid elements G1, G2 are secured on the edges 1a1W1d1 of the sides of the frame 1 so that the grid elements are tightened. The height h1 of the opposed frame sides 1a, 1b is made different from that h2 of the other opposed frame sides 1c, 1d so that the grid elements G1, G2 extend on different planes. The grid elements G1 are electrically insulated from the frame 1 by insulating cement 3 to enable after-acceleration. According to this constitution, the grid interval can be increased to heighten the brilliance.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17361080A JPS5796448A (en) | 1980-12-09 | 1980-12-09 | Grid for cathode-ray tube |
KR1019810000539A KR830004768A (en) | 1980-12-03 | 1981-02-19 | Switchgear of flexible screen in greenhouse |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17361080A JPS5796448A (en) | 1980-12-09 | 1980-12-09 | Grid for cathode-ray tube |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5796448A true JPS5796448A (en) | 1982-06-15 |
Family
ID=15963792
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17361080A Pending JPS5796448A (en) | 1980-12-03 | 1980-12-09 | Grid for cathode-ray tube |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS5796448A (en) |
KR (1) | KR830004768A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0195443A (en) * | 1987-10-06 | 1989-04-13 | Toshiba Corp | Color cathode-ray tube of shadow mask type |
EP0756306A1 (en) * | 1995-07-26 | 1997-01-29 | Thomson Consumer Electronics, Inc. | Method of making a tensioned focus mask |
WO2003017315A3 (en) * | 2001-06-13 | 2003-10-23 | Thomson Licensing Sa | Mask support blade structure having an insert for a crt |
US6683401B2 (en) * | 2001-06-13 | 2004-01-27 | Thomson Licensing S.A. | Weld-free mask support blade structure |
WO2003003401A3 (en) * | 2001-06-27 | 2004-03-11 | Thomson Licensing Sa | Color picture tube having a low expansion tension mask attached to a higher expansion frame |
-
1980
- 1980-12-09 JP JP17361080A patent/JPS5796448A/en active Pending
-
1981
- 1981-02-19 KR KR1019810000539A patent/KR830004768A/en unknown
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0195443A (en) * | 1987-10-06 | 1989-04-13 | Toshiba Corp | Color cathode-ray tube of shadow mask type |
EP0756306A1 (en) * | 1995-07-26 | 1997-01-29 | Thomson Consumer Electronics, Inc. | Method of making a tensioned focus mask |
WO2003017315A3 (en) * | 2001-06-13 | 2003-10-23 | Thomson Licensing Sa | Mask support blade structure having an insert for a crt |
US6683401B2 (en) * | 2001-06-13 | 2004-01-27 | Thomson Licensing S.A. | Weld-free mask support blade structure |
US6873096B2 (en) | 2001-06-13 | 2005-03-29 | Thomson Licensing S.A. | Mask support blade structure having an insert |
WO2003003401A3 (en) * | 2001-06-27 | 2004-03-11 | Thomson Licensing Sa | Color picture tube having a low expansion tension mask attached to a higher expansion frame |
Also Published As
Publication number | Publication date |
---|---|
KR830004768A (en) | 1983-07-20 |
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