US PATENT SUBCLASS 315 / 5.35
.~.~.~.~.~ By magnetic field

Current as of: June, 1999
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315 /   HD   ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS

1  DF  CATHODE RAY TUBE CIRCUITS {11}
3  DF  .~ Combined cathode ray tube and circuit element structure {2}
4  DF  .~.~ Inductor or distributed parameter-type inductive structure {2}
5  DF  .~.~.~ Ray passes in or through a hollow distributed parameter device {15}
5.34  DF  .~.~.~.~ Focusing and/or concentrating the ray {1}
5.35.~.~.~.~.~ By magnetic field

DEFINITION

Classification: 315/5.35

(under subclass 5.34) Subject matter, wherein the focusing or concentrating means provides a magnetic field in a direction to focus or concentrate the ray.

(1) Note. This focusing means may be a permanent magnet, or a conducting coil or loop with or without a magnetic core or yoke.