Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Sliding notch pulse width modulation (PWM)

Sliding notch pulse width modulation (PWM)

US Patent 4245290 · Granted Jan 13, 1981

Estimated economic value: $1,760,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method for defining pulse width modulation (PWM) waveform patterns to produce in1993
Current balancing structure for semiconductor switching devices1991
Harmonic reduction for multi-bridge converters1990
Switching an inverter with stored signal sequences1990
Auxiliary excitation circuit for phased transformers1990
Inverter circuit utilizing the reverse voltage capabilities of symmetrical gate 1990
Method and apparatus for operating a fuel cell in combination with an electroche1989
Method and apparatus for operating a fuel cell in combination with an electroche1988
Method and apparatus for operating a fuel cell in combination with an electroche1988
Method and apparatus for operating a fuel cell in combination with an electroche1988
Inverter with individual commutation circuit1982
Dual core magnetic amplifier sensor1981