US PATENT SUBCLASS 200 / 600
CAPACITIVE SWITCH

Current as of: June, 1999
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200 /   HD   ELECTRICITY: CIRCUIT MAKERS AND BREAKERS

600CAPACITIVE SWITCH

DEFINITION

Classification: 200/600

CAPACITIVE:

(under the class definition) Subject matter wherein a capacitor is the circuit closing and opening device.

(1) Note. A capacitor switch plus circuitry is classified elsewhere.

SEE OR SEARCH CLASS

307, Electrical Transmission or Interconnection Systems,

112+, for a capacitive device controlled switching circuit.

320, Electricity: Battery or Capacitor Charging or Discharging,

166+, for capacitor charging or discharging.

324, Electricity: Measuring and Testing, 658+, for measuring capacitance.

341, Coded Data Generation or Conversion,

33, for a capacitive keyboard controlled code transmitter.

345, Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems,

168+, for a display with a capacitive keyboard.

361, Electricity: Electrical Systems and Devices,

287+, for a mechanically variable capacitor, per se.

400, Typewriting Machines,

479.1, for a typewriter keyboard with a capacitance operated switch.