US PATENT SUBCLASS 315 / 368.21
.~.~.~.~ Parabolic waveform


Current as of: June, 1999
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315 /   HD   ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS

1  DF  CATHODE RAY TUBE CIRCUITS {11}
364  DF  .~ Cathode-ray deflections circuits {16}
368.11  DF  .~.~ Including color convergence control {8}
368.18  DF  .~.~.~ Including specified waveform generating circuitry {2}
368.21.~.~.~.~ Parabolic waveform {2}
368.22  DF  .~.~.~.~.~> By integrating of signal
368.23  DF  .~.~.~.~.~> By multiplying of signal


DEFINITION

Classification: 315/368.21

Parabolic waveform:

(under subclass 368.18) Subject matter wherein the control signal has a component which is proportional to the square of the elapsed time.