The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 19, 2000
Filed:
Jun. 29, 1998
Applicant:
Inventors:
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
313479 ; 313412 ; 313413 ;
Abstract
A high-resistance film having a plurality of pores and a resistance of 10.sup.10 to 10.sup.14 .OMEGA. is formed on the inner wall of the neck from a position where the high-resistance film contacts the inner conductive film to at least part of the inner wall surrounding at least the space between the grid farthest from a cathode to the grid second farthest from the cathode.
Hasegawa, Takahiro. (2000). Color cathode ray tube with high resistance film in the electron gun (U.S. Patent No. 6121724). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6121724
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile