Shadow mask structure for cathode ray tube

Details Shadow mask structure for cathode ray tube Shadow mask structure for cathode ray tube

2006-03-07

2006-03-07

Williams, Joseph (Department: 2879)

Electric lamp and discharge devices

Cathode ray tube

Shadow mask, support or shield

C313S461000, C313S47700R

Reexamination Certificate

active

07009332

ABSTRACT:
A cathode ray tube comprising a panel of which an outer surface is substantially flat and an inner surface has a certain curvature, and a shadow mask arranged with a certain interval from an inner surface of the panel and having a plurality of apertures through which electron beams pass, wherein the shadow mask satisfied a condition of 0.9≦ZmD/(ZmX+ZmY)≦1.1, in which an arbitrary point on a diagonal axis of the shadow mask is supposed to be Dr, points on a long axis and a short axis meeting with perpendiculars drawn to the long axis and the short axis from the point Dr are respectively supposed to be Xr and Yr, and intervals between the respective points Xr, Yr, and Dr and the shadow mask in a tube axis direction are respectively supposed to be ZmX, ZmY, and ZmD.

REFERENCES:
patent: 6528935 (2003-03-01), Wakasono et al.
patent: 6690106 (2004-02-01), Yoshida et al.
patent: 6774553 (2004-08-01), Pyun et al.
patent: 6841927 (2005-01-01), Lee
patent: 2003/0222562 (2003-12-01), Jeon et al.

Affiliated with

Also associated with

Rating

Shadow mask structure for cathode ray tube does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Shadow mask structure for cathode ray tube, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Shadow mask structure for cathode ray tube will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3561835