PWM SIGNAL GENERATOR, AND INVERTER EQUIPPED WITH THIS PWM SIGNAL GENERATOR

World Intellectual Property Organization Patent

APP PUB NO WO-2009041276-A1
SERIAL NO

PCTJP2008066399

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Abstract

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A PWM signal generator generates a first pulse waveform having a first on time ΔT1 calculated at a first on time operating section (401) as an on period, and a second pulse waveform having a second on time ΔT2 calculated at a second on time operating section (402) upon elapsing a preset delay time after starting operation of the first on period ΔT1 as an on period. Based on a composite pulse obtained by compounding the first and second pulse waveforms thus generated, a pulse signal generating section (413) generates a PWM signal and the first on time operating section (401) calculates the first on time ΔT1 at the end of the composite pulse.

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Patent Owner(s)

Patent OwnerAddress
DAIHEN CORPJPOSAKA JAPAN

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Inventor(s)

Inventor Name Address
HATTORI NOBUYUKI OSAKA
HIRATA KENJI TOSU-SHI SAGA
OHTA YOSHITO ISE-SHI MIE 516-8550

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