KR930005621U - Heater of electron gun for cathode ray tube - Google Patents
Heater of electron gun for cathode ray tubeInfo
- Publication number
- KR930005621U KR930005621U KR2019910013966U KR910013966U KR930005621U KR 930005621 U KR930005621 U KR 930005621U KR 2019910013966 U KR2019910013966 U KR 2019910013966U KR 910013966 U KR910013966 U KR 910013966U KR 930005621 U KR930005621 U KR 930005621U
- Authority
- KR
- South Korea
- Prior art keywords
- heater
- ray tube
- cathode ray
- electron gun
- gun
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
- H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
- H01J1/22—Heaters
-
- 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
- H01J29/04—Cathodes
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019910013966U KR930007973Y1 (en) | 1991-08-29 | 1991-08-29 | Electronic gun |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019910013966U KR930007973Y1 (en) | 1991-08-29 | 1991-08-29 | Electronic gun |
Publications (2)
Publication Number | Publication Date |
---|---|
KR930005621U true KR930005621U (en) | 1993-03-22 |
KR930007973Y1 KR930007973Y1 (en) | 1993-11-27 |
Family
ID=19318531
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019910013966U KR930007973Y1 (en) | 1991-08-29 | 1991-08-29 | Electronic gun |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR930007973Y1 (en) |
-
1991
- 1991-08-29 KR KR2019910013966U patent/KR930007973Y1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR930007973Y1 (en) | 1993-11-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
REGI | Registration of establishment | ||
FPAY | Annual fee payment |
Payment date: 20001031 Year of fee payment: 8 |
|
LAPS | Lapse due to unpaid annual fee |