US PATENT SUBCLASS 178 / 18.05
.~.~.~ Resistive

Current as of: June, 1999
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178 /   HD   TELEGRAPHY

2 R  DF  SYSTEMS {21}
18.01  DF  .~ Position coordinate determination for writing (e.g., writing digitizer pad, stylus, or circuitry) {4}
18.03  DF  .~.~ Writing digitizer pad {6}
18.05.~.~.~ Resistive

DEFINITION

Classification: 178/18.05

Resistive:

(under subclass 18.03) Subject matter wherein position coordinates are determined by a property (e. g., dimensions, material, temperature, or structure of connection) of a resistor that is included in the sensing surface of the tablet.

SEE OR SEARCH CLASS

338, Electrical Resistors,

15+, for photoconductive electrical resistors.