JPS54107665A - Cathode ray tube - Google Patents
Cathode ray tubeInfo
- Publication number
- JPS54107665A JPS54107665A JP1409878A JP1409878A JPS54107665A JP S54107665 A JPS54107665 A JP S54107665A JP 1409878 A JP1409878 A JP 1409878A JP 1409878 A JP1409878 A JP 1409878A JP S54107665 A JPS54107665 A JP S54107665A
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- ray tube
- cathode ray
- funnel
- dispersion
- 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
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
Abstract
PURPOSE:To reduce the dispersion in the beam landing error and to prevent discharge between electrodes, in the cathode ray tube applying different voltages to the film electrode placed at a plurality of parts at the wall surface in the funnel. CONSTITUTION:The potential gradient of the gap 1 is gentle by coating the high resistance material 3 on the gap 1 in contact with the edge of one electrode of the coated electrode 2 applying different voltages to a plurality of parts of the wall surface in the funnel. Accordingly, the creep discharge of P to Q is avoided. and since the charge is continuously carried out little by little even with the charge between the electrode 2, the dispersion in the beam landing error can be reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1409878A JPS54107665A (en) | 1978-02-13 | 1978-02-13 | Cathode ray tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1409878A JPS54107665A (en) | 1978-02-13 | 1978-02-13 | Cathode ray tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS54107665A true JPS54107665A (en) | 1979-08-23 |
Family
ID=11851631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1409878A Pending JPS54107665A (en) | 1978-02-13 | 1978-02-13 | Cathode ray tube |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS54107665A (en) |
-
1978
- 1978-02-13 JP JP1409878A patent/JPS54107665A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20041210 |
|
| A72 | Notification of change in name of applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A721 Effective date: 20041210 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20070830 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20080617 |
|
| A313 | Final decision of rejection without a dissenting response from the applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A313 Effective date: 20081111 |
|
| A02 | Decision of refusal |
Effective date: 20090106 Free format text: JAPANESE INTERMEDIATE CODE: A02 |