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Andover, MA, US
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last 30 patents
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Patent Grant
Systems and methods for switching a relay at zero cross
Patent number
8,559,154
Issue date
Oct 15, 2013
Osram Sylvania Inc.
Wei Li
H01 - BASIC ELECTRIC ELEMENTS
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last 30 patents
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Patent Application
SYSTEMS AND METHODS FOR SWITCHING A RELAY AT ZERO CROSS
Publication number
20130057998
Publication date
Mar 7, 2013
Osram Sylvania Inc.
Wei Li
H01 - BASIC ELECTRIC ELEMENTS