EP 0283190 A3 19890712 - ELECTRON GUN FOR COLOR PICTURE TUBE
Title (en)
ELECTRON GUN FOR COLOR PICTURE TUBE
Publication
Application
Priority
JP 6378887 A 19870320
Abstract (en)
[origin: EP0283190A2] In order that an electron gun for a color picture tube furnished with grid electrodes each having a cylinder portion including an inclined end face may be installed in a color picture tube of different size without altering the inclination of the end face of the cylinder, an electrode for correcting an electric field is provided in at least one of the grid electrodes each of which has the cylinder portion including the inclined end face.
IPC 1-7
IPC 8 full level
H01J 29/48 (2006.01); H01J 29/50 (2006.01)
CPC (source: EP KR)
H01J 29/02 (2013.01 - KR); H01J 29/50 (2013.01 - KR); H01J 29/503 (2013.01 - EP)
Citation (search report)
- [AD] EP 0049490 A2 19820414 - HITACHI LTD [JP]
- [A] US 3011090 A 19611128 - CHAPIN MOODEY HANNAH
- [A] PATENT ABSTRACTS OF JAPAN, vol. 10, no. 313 (E-448)[2369], 24th October 1986; & JP-A-61 124 037 (HITACHI LTD) 11-06-1986
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 0283190 A2 19880921; EP 0283190 A3 19890712; CN 1008312 B 19900606; CN 88101547 A 19880928; JP S63231845 A 19880927; KR 880011862 A 19881031; KR 910001870 B1 19910328
DOCDB simple family (application)
EP 88301995 A 19880308; CN 88101547 A 19880319; JP 6378887 A 19870320; KR 880002869 A 19880318