US PATENT SUBCLASS 379 / 93.19
.~.~.~ Having pressure or position sensitive surface (e.g., touch-screen, light pen)

Current as of: June, 1999
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379 /   HD   TELEPHONIC COMMUNICATIONS

90.01  DF  TELEPHONE LINE OR SYSTEM COMBINED WITH DIVERSE ELECTRICAL SYSTEM OR SIGNALLING (E.G., COMPOSITE) {8}
93.01  DF  .~ Having transmission of a digital message signal over a telephone line {9}
93.17  DF  .~.~ Having station display {7}
93.19.~.~.~ Having pressure or position sensitive surface (e.g., touch-screen, light pen)

DEFINITION

Classification: 379/93.19

Having pressure or position sensitive surface (e.g., touch-screen, light pen):

(under subclass 93.17) Subject matter wherein the terminal display includes input means responsive to force or location along the display face.

SEE OR SEARCH CLASS

178, Telegraphy,

18, and 87 for stylus and tablet.

345, Selective Visual Display Systems,

173+, for touch panels, subclass 179 for stylus, and subclasses 180+ for light pen.