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:
Jun. 24, 2003
Filed:
Apr. 24, 2001
Sung Ho Cho, Taegu-shi, KR;
Soo Keun Lee, Kyongsangbuk-do, KR;
Ok Tae Kim, Kyongsangbuk-do, KR;
Dong Young Kim, Kyongsangbuk-do, KR;
LG Electronics Inc., Seoul, KR;
Abstract
In-line type electron gun in a color cathode ray tube including a pre-focusing lens part having at least two electrodes for focusing electron beams, a main lens part having two, or more than two electrodes for focusing the electron beams onto a screen, and at least one electrostatic field controlling electrode in the electrodes of the main lens part having a center electron beam pass through hole and two outer electron beam pass through holes, wherein each of the outer electron beam pass through holes has a form a circular hole and a rectangular hole are combined therein, the rectangular hole having a height 'V ' greater than a vertical diameter 'V ' of the center beam pass through hole of the electrostatic field controlling electrode, thereby permitting an excellent focusing and improving assembly work.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile