US PATENT SUBCLASS 348 / 326
.~.~ Automatic beam focusing or alignment

Current as of: June, 1999
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348 /   HD   TELEVISION

207  DF  CAMERA, SYSTEM AND DETAIL {19}
325  DF  .~ Cathode-ray tube {5}
326.~.~ Automatic beam focusing or alignment

DEFINITION

Classification: 348/326

Automatic beam focusing or alignment:

(under subclass 325) Subject matter including means to automatically ensure that the beam scanning the target of the tube remains converged essentially to a point at the target face.