| 摘要 |
<p>609,160. Cathode-ray tubes. COSSOR, Ltd., A. C., WYNN, A. H. A., and HILL, R. A. March 7, 1946, No. 7137. [Class 39 (i)] A cathode-ray tube comprises a spherical mirror 3, carried by the final anode 2 of the gun, by which an enlarged image of a fluorescent screen 12 is projected through the end window of the tube. The screen 12 is carried by arms 9, 10 and adjustable spacers 6, 7 on the edge of the mirror.</p> |
