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Class Information
Number: 313/382
Name: Electric lamp and discharge devices > Cathode ray tube > Image pickup tube > With photoemissive cathode > Focusing
Description: Subject matter including structure to focus the electron beam.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7167170 |
Electron gun with a multi-media monitor |
Jan. 23, 2007 |
| 6396221 |
Color cathode-ray tube |
May. 28, 2002 |
| 6072546 |
Apparatus for and method of measuring focus |
Jun. 6, 2000 |
| 5095243 |
Image tube device |
Mar. 10, 1992 |
| 5017829 |
Framing camera |
May. 21, 1991 |
| 4902927 |
Streak tube |
Feb. 20, 1990 |
| 4658182 |
Image pick-up tube |
Apr. 14, 1987 |
| 4560905 |
Electrostatic quadrupole focused particle accelerating assembly with laminar flow beam |
Dec. 24, 1985 |
| 4560899 |
Electron beam focusing lens |
Dec. 24, 1985 |
| 4527846 |
Zoom focus and deflection assembly for electron discharge devices of the camera tube type |
Jul. 9, 1985 |
| 4503354 |
Camera tubes |
Mar. 5, 1985 |
| 4354138 |
Television camera tube with electrostatic focusing and magnetic deflection |
Oct. 12, 1982 |
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