US PATENT SUBCLASS 367 / 68
.~.~ Display systems

Current as of: June, 1999
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367 /   HD   COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES

14  DF  SEISMIC PROSPECTING {4}
37  DF  .~ Land-reflection type {6}
68.~.~ Display systems {4}
69  DF  .~.~.~> Well logging type
70  DF  .~.~.~> Color
71  DF  .~.~.~> CRT
72  DF  .~.~.~> 3-D

DEFINITION

Classification: 367/68

Display systems:

(under subclass 37) Subject matter wherein the information or intelligence is converted from an electrical signal to a form (visually) perceptible to a human being.

(1) Note. The nominal recitation or broad disclosure of display means is insufficient basis for classification in this subclass and the subclasses indented hereunder. For classification here some details of the means or steps which convert the signal from one form to another must be recited.