US PATENT SUBCLASS 348 / 381
.~ With beam energy determining color

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

Internet Version by PATENTEC © 1999      Terms of Use


348 /   HD   TELEVISION

380  DF  CATHODE-RAY TUBE DISPLAY BEAM CURRENT CONTROL {1}
381.~ With beam energy determining color {1}
382  DF  .~.~> Variable depth of penetration of electron beam into the luminescent layer

DEFINITION

Classification: 348/381

With beam energy determining color:

(under subclass 380) Subject matter including an apparatus for imparting color to the picture by controlling the energy supplied to the beam.

SEE OR SEARCH CLASS

313, Electric Lamp and Discharge Devices,

473, for tubes with screens of the plural layer type.