JPS5317264A - Cathode material of direct heated cathode-ray tube sphere - Google Patents

Cathode material of direct heated cathode-ray tube sphere

Info

Publication number
JPS5317264A
JPS5317264A JP9138576A JP9138576A JPS5317264A JP S5317264 A JPS5317264 A JP S5317264A JP 9138576 A JP9138576 A JP 9138576A JP 9138576 A JP9138576 A JP 9138576A JP S5317264 A JPS5317264 A JP S5317264A
Authority
JP
Japan
Prior art keywords
cathode
ray tube
direct heated
tube sphere
cathode material
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
JP9138576A
Other languages
Japanese (ja)
Inventor
Hiroshi Sakamoto
Hiroshi Soeno
Tetsuo Koyama
Hisashi Ando
Sanehiro Kudo
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP9138576A priority Critical patent/JPS5317264A/en
Publication of JPS5317264A publication Critical patent/JPS5317264A/en
Pending legal-status Critical Current

Links

Landscapes

  • Solid Thermionic Cathode (AREA)

Abstract

PURPOSE: To obtain the prescribed characteristic of a cathode-ray tube by preventing thermal deformation of the cathode during the production and use of it.
COPYRIGHT: (C)1978,JPO&Japio
JP9138576A 1976-08-02 1976-08-02 Cathode material of direct heated cathode-ray tube sphere Pending JPS5317264A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9138576A JPS5317264A (en) 1976-08-02 1976-08-02 Cathode material of direct heated cathode-ray tube sphere

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9138576A JPS5317264A (en) 1976-08-02 1976-08-02 Cathode material of direct heated cathode-ray tube sphere

Publications (1)

Publication Number Publication Date
JPS5317264A true JPS5317264A (en) 1978-02-17

Family

ID=14024898

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9138576A Pending JPS5317264A (en) 1976-08-02 1976-08-02 Cathode material of direct heated cathode-ray tube sphere

Country Status (1)

Country Link
JP (1) JPS5317264A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6468131A (en) * 1987-09-09 1989-03-14 Nippon Electric Ic Microcomput Integration type a/d converter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6468131A (en) * 1987-09-09 1989-03-14 Nippon Electric Ic Microcomput Integration type a/d converter

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