JPS52127151A - Electron ray indicator tube - Google Patents
Electron ray indicator tubeInfo
- Publication number
- JPS52127151A JPS52127151A JP4372276A JP4372276A JPS52127151A JP S52127151 A JPS52127151 A JP S52127151A JP 4372276 A JP4372276 A JP 4372276A JP 4372276 A JP4372276 A JP 4372276A JP S52127151 A JPS52127151 A JP S52127151A
- Authority
- JP
- Japan
- Prior art keywords
- indicator tube
- electron ray
- ray indicator
- electron
- cathode
- 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
Abstract
PURPOSE: To reduce the cathode power consumption by coating the surface of the metal mandrel with 1.5 to 6μ thickness of the electron radioactive substance on the cathode of the electron ray indicator tube.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4372276A JPS52127151A (en) | 1976-04-19 | 1976-04-19 | Electron ray indicator tube |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4372276A JPS52127151A (en) | 1976-04-19 | 1976-04-19 | Electron ray indicator tube |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52127151A true JPS52127151A (en) | 1977-10-25 |
Family
ID=12671673
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4372276A Pending JPS52127151A (en) | 1976-04-19 | 1976-04-19 | Electron ray indicator tube |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52127151A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6052752U (en) * | 1983-09-17 | 1985-04-13 | 双葉電子工業株式会社 | Oxide hot cathode for fluorescent display tubes |
GB2385707A (en) * | 2001-10-15 | 2003-08-27 | Futaba Denshi Kogyo Kk | Directly heated oxide cathode and fluorescent display tube using the same |
-
1976
- 1976-04-19 JP JP4372276A patent/JPS52127151A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6052752U (en) * | 1983-09-17 | 1985-04-13 | 双葉電子工業株式会社 | Oxide hot cathode for fluorescent display tubes |
GB2385707A (en) * | 2001-10-15 | 2003-08-27 | Futaba Denshi Kogyo Kk | Directly heated oxide cathode and fluorescent display tube using the same |
DE10247447B4 (en) * | 2001-10-15 | 2007-03-29 | Futaba Corp., Mobara | Directly heated oxide cathode |
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