JPS5550542A - Directly-heated cathode structure for picture tube - Google Patents

Directly-heated cathode structure for picture tube

Info

Publication number
JPS5550542A
JPS5550542A JP12365978A JP12365978A JPS5550542A JP S5550542 A JPS5550542 A JP S5550542A JP 12365978 A JP12365978 A JP 12365978A JP 12365978 A JP12365978 A JP 12365978A JP S5550542 A JPS5550542 A JP S5550542A
Authority
JP
Japan
Prior art keywords
filament
cathode
central portion
directly
width
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
JP12365978A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6231774B2 (pm
Inventor
Shinichi Sawagata
Tomohide Tokida
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 JP12365978A priority Critical patent/JPS5550542A/ja
Publication of JPS5550542A publication Critical patent/JPS5550542A/ja
Publication of JPS6231774B2 publication Critical patent/JPS6231774B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Electrodes For Cathode-Ray Tubes (AREA)
JP12365978A 1978-10-09 1978-10-09 Directly-heated cathode structure for picture tube Granted JPS5550542A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12365978A JPS5550542A (en) 1978-10-09 1978-10-09 Directly-heated cathode structure for picture tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12365978A JPS5550542A (en) 1978-10-09 1978-10-09 Directly-heated cathode structure for picture tube

Publications (2)

Publication Number Publication Date
JPS5550542A true JPS5550542A (en) 1980-04-12
JPS6231774B2 JPS6231774B2 (pm) 1987-07-10

Family

ID=14866089

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12365978A Granted JPS5550542A (en) 1978-10-09 1978-10-09 Directly-heated cathode structure for picture tube

Country Status (1)

Country Link
JP (1) JPS5550542A (pm)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59195656U (ja) * 1983-06-15 1984-12-26 日本電気ホームエレクトロニクス株式会社 直熱型カソ−ド
KR19980020320A (ko) * 1996-09-06 1998-06-25 손욱 음극선관용 직열형 음극 및 제조방법

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5137860U (pm) * 1974-09-13 1976-03-22

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5137860U (pm) * 1974-09-13 1976-03-22

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59195656U (ja) * 1983-06-15 1984-12-26 日本電気ホームエレクトロニクス株式会社 直熱型カソ−ド
KR19980020320A (ko) * 1996-09-06 1998-06-25 손욱 음극선관용 직열형 음극 및 제조방법

Also Published As

Publication number Publication date
JPS6231774B2 (pm) 1987-07-10

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