32,070
edits
No edit summary |
No edit summary |
||
Line 1: | Line 1: | ||
'''Conrad Odenthal''' designed the box lens for the [[7104]] CRT ([[T7100]]). | '''Conrad Odenthal''' designed the box lens for the [[7104]] CRT ([[T7100]]). | ||
==US Patents== | |||
* 3567991 "Cathode Ray Tube with Improved Electron Gun Structure" | |||
* 3873878 "Electron gun with auxilliary anode nearer to grid than to normal anode" | |||
* 3921025 "Dual-beam CRT with vertical trace bowing correction means" | |||
* 3983444 "Dual beam CRT with inner gun and outer gun shield means for correcting keystone distortion" | |||
* 4142128 "Box-shaped scan expansion lens for cathode ray tube" | |||
* 4500809 "Electron gun having a low capacitance cathode and grid assembly" | |||
* 4665340 "Cathode-ray-tube electrode structure having a particle trap" | |||
* 4672276 "CRT astigmatism correction apparatus with stored correction values" | |||
* 4853601 "Multiple beam electron discharge tube having bipotential acceleration and convergence electrode structure" | |||
* 4899091 "Cathode-ray-tube astigmatism correction apparatus" | |||
* 4977348 "Electron discharge tube with bipotential electrode structure" | |||
* 5077498 "Pinched electron beam cathode-ray tube with high-voltage einzel focus lens" | |||
* 5221875 "High resolution cathode-ray tube with high bandwidth capability" | |||
* | |||
<gallery> | <gallery> |