Sine wave light modulation control method and device

A light modulation control method applied to control a lamp is disclosed. The control method includes the following steps: first, providing an AC voltage; then, rectifying the AC voltage into a first DC pulse; modulating the first DC pulse into a modulated wave; filtering the modulated wave into a s...

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Bibliographic Details
Main Author HSU KUN-PAI
Format Patent
LanguageEnglish
Published 23.12.2010
Subjects
CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS,e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USERAPPLICATIONS
ELECTRIC HEATING
ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC
GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS
TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
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Summary:A light modulation control method applied to control a lamp is disclosed. The control method includes the following steps: first, providing an AC voltage; then, rectifying the AC voltage into a first DC pulse; modulating the first DC pulse into a modulated wave; filtering the modulated wave into a second DC pulse; finally, alternatingly switching the second DC pulse to a modulated AC voltage for the lamp through a switching unit.
Bibliography:Application Number: US20090457605