US PATENT SUBCLASS 178 / 18.06
.~.~.~ Capacitive

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

Internet Version by PATENTEC © 1999      Terms of Use


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}
18.06.~.~.~ Capacitive

DEFINITION

Classification: 178/18.06

Capacitive:

(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 capacitor that is included in the sensing surface of the tablet.

SEE OR SEARCH THIS CLASS, SUBCLASS:

19.03, for an inductive or a capacitive writing digitizer stylus.

SEE OR SEARCH CLASS

341, Coded Data Generation or Conversion,

15, for capacitive responsive digital pattern reading-type converters and subclass 33 for bodily actuated code generators including keyboard or keypad with capacitive sensor.

361, Electricity: Electrical Systems and Devices,

277+, and 301.1+ for variable and fixed capacitors.