JPS5275168A - Direct heated cathode for electronic tube - Google Patents

Direct heated cathode for electronic tube

Info

Publication number
JPS5275168A
JPS5275168A JP15057875A JP15057875A JPS5275168A JP S5275168 A JPS5275168 A JP S5275168A JP 15057875 A JP15057875 A JP 15057875A JP 15057875 A JP15057875 A JP 15057875A JP S5275168 A JPS5275168 A JP S5275168A
Authority
JP
Japan
Prior art keywords
direct heated
heated cathode
electronic tube
cathode
radiation 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.)
Granted
Application number
JP15057875A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5624982B2 (OSRAM
Inventor
Sanehiro Kudo
Toshiyuki Aida
Hiroshi Okano
Shigeyuki Hosoki
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 JP15057875A priority Critical patent/JPS5275168A/ja
Publication of JPS5275168A publication Critical patent/JPS5275168A/ja
Publication of JPS5624982B2 publication Critical patent/JPS5624982B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Solid Thermionic Cathode (AREA)
JP15057875A 1975-12-19 1975-12-19 Direct heated cathode for electronic tube Granted JPS5275168A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15057875A JPS5275168A (en) 1975-12-19 1975-12-19 Direct heated cathode for electronic tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15057875A JPS5275168A (en) 1975-12-19 1975-12-19 Direct heated cathode for electronic tube

Publications (2)

Publication Number Publication Date
JPS5275168A true JPS5275168A (en) 1977-06-23
JPS5624982B2 JPS5624982B2 (OSRAM) 1981-06-09

Family

ID=15499934

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15057875A Granted JPS5275168A (en) 1975-12-19 1975-12-19 Direct heated cathode for electronic tube

Country Status (1)

Country Link
JP (1) JPS5275168A (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS563601A (en) * 1979-06-21 1981-01-14 Matsushita Electric Ind Co Ltd Sintered cathode body and its production

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0869527A4 (en) * 1996-06-20 1999-03-10 Mitsubishi Electric Corp ELECTRONIC TUBE CATHODE

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS563601A (en) * 1979-06-21 1981-01-14 Matsushita Electric Ind Co Ltd Sintered cathode body and its production

Also Published As

Publication number Publication date
JPS5624982B2 (OSRAM) 1981-06-09

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