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:
Apr. 19, 2005

Filed:

Jul. 10, 2003
Applicants:

Peter Rae Shintani, San Diego, CA (US);

Ban Kawamura, San Diego, CA (US);

Eiji Kono, San Diego, CA (US);

Inventors:

Peter Rae Shintani, San Diego, CA (US);

Ban Kawamura, San Diego, CA (US);

Eiji Kono, San Diego, CA (US);

Assignees:

Sony Corporation, Tokyo, JP;

Sony Electronics Inc., Park Ridge, NJ (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J029/38 ;
U.S. Cl.
CPC ...
Abstract

Correction of electron beam landing misalignment in a raster-type display is undertaken without using the usual set of coils, but rather by superimposing a landing misalignment correction signal on the already-existing velocity modulation (VM) coil or on another coil located at the junction of the electron beams in the neck of the display. The correction signal may be varied based on pressure, temperature, and ambient magnetic field as indicated by respective sensors to appropriately correct electron beam landing on phosphors the positions of which may be affected by variations in magnetic fields, temperature, and pressure.


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