JPS52127151A - Electron ray indicator tube - Google Patents

Electron ray indicator tube

Info

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
Application number
JP4372276A
Other languages
Japanese (ja)
Inventor
Osamu Yasutome
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP4372276A priority Critical patent/JPS52127151A/en
Publication of JPS52127151A publication Critical patent/JPS52127151A/en
Pending legal-status Critical Current

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
JP4372276A 1976-04-19 1976-04-19 Electron ray indicator tube Pending JPS52127151A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (3)

* Cited by examiner, † Cited by third party
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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