公开(公告)号：EP0382308B1

公开(公告)日：1994-05-18

申请号：EP90200259.1

申请日：1990-02-05

申请人： PHILIPS ELECTRONICS NORTH AMERICA CORPORATION

发明人： Bozek, William Walter ,  Brown, Richard Irwin ,  Dorogi, Mark Dennis

IPC分类号： H01J9/227

CPC分类号： H01J9/2273

公开(公告)号：EP0382308A3

公开(公告)日：1991-10-09

申请号：EP90200259.1

申请日：1990-02-05

申请人： PHILIPS ELECTRONICS NORTH AMERICA CORPORATION

发明人： Bozek, William Walter ,  Brown, Richard Irwin ,  Dorogi, Mark Dennis

IPC分类号： H01J9/227

CPC分类号： H01J9/2273

摘要： The need for annealing the internal magnetic shield of a cathode ray tube to eliminate registration errors caused by non-uniformity of magnetic properties of the shield resulting from the forming process, is eliminated by using an optical element (43) with a convex curvature to adjust the screen pattern to compensate for such errors.

公开(公告)号：EP0382308A2

公开(公告)日：1990-08-16

申请号：EP90200259.1

申请日：1990-02-05

申请人： PHILIPS ELECTRONICS NORTH AMERICA CORPORATION

发明人： Bozek, William Walter ,  Brown, Richard Irwin ,  Dorogi, Mark Dennis

IPC分类号： H01J9/227

CPC分类号： H01J9/2273

摘要： The need for annealing the internal magnetic shield of a cathode ray tube to eliminate registration errors caused by non-uniformity of magnetic properties of the shield resulting from the forming process, is eliminated by using an optical element (43) with a convex curvature to adjust the screen pattern to compensate for such errors.

摘要翻译： 通过使用具有凸曲率的光学元件（43）来消除对由阴极射线管的内部磁屏蔽进行退火以消除由形成过程导致的屏蔽的不均匀性的不均匀性引起的配准误差的需要， 屏幕图案来补偿这种错误。