US PATENT SUBCLASS 320 / 145
.~.~.~ Pulse-width modulation

Current as of: June, 1999
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320 /   HD   ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING

137  DF  BATTERY OR CELL CHARGING {11}
139  DF  .~ Pulsed {3}
141  DF  .~.~ Pulse modulation {2}
145.~.~.~ Pulse-width modulation

DEFINITION

Classification: 320/145

Pulse-width modulation:

(under subclass 141) Subject matter wherein the pulse characteristic varied is the time duration of the pulses.

SEE OR SEARCH THIS CLASS, SUBCLASS:

148, for peak of current or voltage detected.

150+, for thermal condition detected.

155+, for time control.

162+, for amplitude of current or voltage detected.