11. RCA ultimately solved this problem with a shadow mask . 12. A : Your son has magnetized the shadow mask inside the color television picture tube. 13. On the other hand, shadow mask CRTs match a circular beam to a circular shadow mask . 14. On the other hand, shadow mask CRTs match a circular beam to a circular shadow mask. 15. Unlike a shadow mask , all of the signal eventually reached the screen, further reducing power requirements. 16. The conventional solution to this problem was introduced by RCA in 1950, with their shadow mask system. 17. Comparatively, Cromaclear utilizes a type of shadow mask that does not require the use of damping wires. 18. RCA eventually solved the problem of displaying the color images with their introduction of the shadow mask . 19. This time RCA's shadow mask system quickly demonstrated itself as superior to all the other systems, including Geer's. 20. Their eventual concoction sounded like something out of a science fiction novel _ the three-beam shadow mask tube.
