US PATENT SUBCLASS 313 / 157
.~.~ Concentrically arranged electrode with axial field

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


313 /   HD   ELECTRIC LAMP AND DISCHARGE DEVICES

153  DF  WITH MAGNETIC DEVICE {4}
156  DF  .~ Field transverse to discharge {1}
157.~.~ Concentrically arranged electrode with axial field {1}
158  DF  .~.~.~> Pole pieces facing electrode ends {1}

DEFINITION

Classification: 313/157

(under subclass 156) Subject matter in which one or more elongated tubular electrodes (e.g., anode and/or grid) surrounds another elongated electrode (e.g., cathode), the magnetic means being arranged to generate a magnetic field which extends along the axis of the elongated electrodes.