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:
Feb. 08, 1994
Filed:
Mar. 12, 1991
Shigehiko Takayama, Hachioji, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A one-gun three-beam electron gun comprises a triode part controlling an electron source generating a plurality of electron beams and emission of the electron beams generated by the electron source; a main electron lens of bi-potential focusing type consisting of not less than two cylindrical electrodes focusing the plurality of electron beams emitted by the triode part; electrostatic deflection plates disposed on the screen side of the main electron lens; and electrostatic deflection plates disposed on the electron source side of the main electron lens.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile