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Class Information
Number: 315/5.34
Name: Electric lamp and discharge devices: systems > Cathode ray tube circuits > Combined cathode ray tube and circuit element structure > Inductor or distributed parameter-type inductive structure > Ray passes in or through a hollow distributed parameter device > Focusing and/or concentrating the ray
Description: Subject matter wherein the cathode-ray tube is provided with means for focusing and/or concentrating the cathode-ray.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7116051 |
Multibeam klystron |
Oct. 3, 2006 |
| 6825621 |
Electron gun for color cathode ray tube |
Nov. 30, 2004 |
| 6794822 |
Field emission electron source, electron gun and cathode ray tube device using the same |
Sep. 21, 2004 |
| 6646382 |
Microminiature microwave electron source |
Nov. 11, 2003 |
| 6642657 |
Robust pierce gun having multiple transmitting and emitting section |
Nov. 4, 2003 |
| 5796212 |
Linear beam microwave tube with planar cold cathode electrode as electron beam source |
Aug. 18, 1998 |
| 5666098 |
Permanent magnet toroidal wiggler and undulator |
Sep. 9, 1997 |
| 5623183 |
Diverging beam electron gun for a toxic remediation device with a dome-shaped focusing electrode |
Apr. 22, 1997 |
| H1615 |
Magnetic fields for chiron wigglers |
Dec. 3, 1996 |
| 5113141 |
Four-fingers RFQ linac structure |
May. 12, 1992 |
| 4897556 |
High voltage pulse conditioning |
Jan. 30, 1990 |
| 4754196 |
Axial injection orbitron |
Jun. 28, 1988 |
| 4743804 |
E-beam ionized channel guiding of an intense relativistic electron beam |
May. 10, 1988 |
| 4596967 |
High power microwave generator |
Jun. 24, 1986 |
| 4594530 |
Accelerating self-focusing cavity for charged particles |
Jun. 10, 1986 |
| 4567402 |
Electron beam injection device for an ultra-high frequency radio electric wave generator |
Jan. 28, 1986 |
| 4567406 |
High-gain Klystron-tetrode |
Jan. 28, 1986 |
| 4560905 |
Electrostatic quadrupole focused particle accelerating assembly with laminar flow beam |
Dec. 24, 1985 |
| 4464680 |
Television camera having automatic focusing device for electron beam of pickup tube |
Aug. 7, 1984 |
| 4401918 |
Klystron having electrostatic quadrupole focusing arrangement |
Aug. 30, 1983 |
| 4027194 |
Core magnetron magnetic circuit having a temperature coefficient approximately zero and permeance related |
May. 31, 1977 |
| 3979626 |
Electrostatic focusing arrangements |
Sep. 7, 1976 |
| 3963955 |
Means and method for suppressing oscillations in electron guns |
Jun. 15, 1976 |
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