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Ching-Yao Hung
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Palatine, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Electronic ballast system with dual power and dimming capability
Patent number
6,507,157
Issue date
Jan 14, 2003
Koninklijke Philips Electronics N.V.
Robert Alexander Erhardt
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Auxiliary lighting system for high intensity discharge lamp
Patent number
6,489,729
Issue date
Dec 3, 2002
Koninklijke Philips Electronics N.V.
Robert Erhardt
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
OVERVOLTAGE PROTECTION FOR CURRENT LIMITING CIRCUITS IN LED APPLICA...
Publication number
20100188002
Publication date
Jul 29, 2010
TEXAS INSTRUMENTS INCORPORATED
Ching-Yao Hung
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
METHOD AND APPARATUS FOR CONTROLLING AND MODULATING LED CURRENT
Publication number
20100188015
Publication date
Jul 29, 2010
TEXAS INSTRUMENTS INCORPORATION
Roman Korsunsky
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Lamp Power Circuit Sensing Method And System
Publication number
20080067956
Publication date
Mar 20, 2008
Koninklijke Philips Electronics, N.V.
Ching-Yao Hung
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
AUXILIARY LIGHTING SYSTEM FOR HIGH INTENSITY DISCHARGE LAMP
Publication number
20020195974
Publication date
Dec 26, 2002
Koninklijke Philips Electronics N.V.
Robert Erhardt
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR