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.

Date of Patent:
Nov. 24, 1998

Filed:

Jul. 29, 1997
Applicant:
Inventor:

Seok Hwa Jeong, Kumi, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
315 85 ; 315-8 ; 313402 ; 313479 ;
Abstract

A device for shielding an electrical field emitted backward from a video display appliance. The device includes a device for shielding an electrical field emitted backward from a video display appliance including a CRT having an anode to which a high voltage is supplied, a deflection yoke for deflecting electron beams produced from electron guns, and a video board for processing and outputting video signals to the CRT, the device comprising, a first patterned section printed on a periphery of a back of the video board and connected to ground, and a second patterned section printed inside the first patterned section, the scond patterned section having a pulse applying portion to which a pulse voltage having a polarity opposite to the electric field waveform is applied and a termination portion.


Find Patent Forward Citations

Jeong, Seok. (1998). Device for shielding electric field emitted backward from video display (U.S. Patent No. 5841234). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5841234

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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