Qinghong Yu

Person

Reading, MA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Power supply for halogen lamp having an inverter and output circuit
- Patent number 7,696,701
- Issue date Apr 13, 2010
- Osram Sylvania Inc.
- Qinghong Yu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Ballast with filament heating and ignition control
- Patent number 7,560,868
- Issue date Jul 14, 2009
- Osram Sylvania, Inc.
- Qinghong Yu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Ballast with socket-to-fixture voltage limiting
- Patent number 7,560,871
- Issue date Jul 14, 2009
- Osram Sylvania, Inc.
- Qinghong Yu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Ballast with ignition voltage control
- Patent number 7,528,558
- Issue date May 5, 2009
- Osram Sylvania, Inc.
- Qinghong Yu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Program start ballast
- Patent number 7,459,867
- Issue date Dec 2, 2008
- Osram Sylvania Inc.
- Qinghong Yu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Power supply circuits and methods for supplying stable power to con...
- Patent number 7,423,386
- Issue date Sep 9, 2008
- Universal Lighting Technologies, Inc.
- Christopher Radzinski
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Ballast with frequency-diagnostic lamp fault protection circuit
- Patent number 7,312,588
- Issue date Dec 25, 2007
- Osram Sylvania, Inc.
- Qinghong Yu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Ballast with arc protection circuit
- Patent number 7,288,901
- Issue date Oct 30, 2007
- Osram Sylvania Inc.
- Qinghong Yu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electronic ballast with adaptive lamp preheat and ignition
- Patent number 7,239,094
- Issue date Jul 3, 2007
- Universal Lighting Technologies, Inc.
- Christopher Radzinski
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
High efficiency 4-lamp instant start ballast
- Patent number 7,132,803
- Issue date Nov 7, 2006
- Universal Lighting Technologies, Inc.
- Peter Shackle
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electronic ballast with open circuit voltage control and cable comp...
- Patent number 7,098,606
- Issue date Aug 29, 2006
- Universal Lighting Technologies, Inc.
- Qinghong Yu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electronic ballast with lossless snubber capacitor circuit
- Patent number 7,098,607
- Issue date Aug 29, 2006
- Universal Lighting Technologies, Inc.
- Qinghong Yu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Lossless circuit for sampling of lamp voltage
- Patent number 7,098,608
- Issue date Aug 29, 2006
- Universal Lighting Technologies, Inc.
- Qinghong Yu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Ballast With Filament Heating And Ignition Control
- Publication number 20080278080
- Publication date Nov 13, 2008
- Osram Sylvania, Inc.
- Qinghong Yu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Program Start Ballast
- Publication number 20080278085
- Publication date Nov 13, 2008
- Osram Sylvania, Inc.
- Qinghong Yu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Ballast With Ignition Voltage Control
- Publication number 20080278088
- Publication date Nov 13, 2008
- Osram Sylvania, Inc.
- Qinghong Yu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Ballast with Socket-To-Fixture Voltage Limiting
- Publication number 20080252224
- Publication date Oct 16, 2008
- Osram Sylvania, Inc.
- Qinghong Yu
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Power Supply for Halogen Lamp
- Publication number 20080246409
- Publication date Oct 9, 2008
- Osram Sylvania, Inc.
- Qinghong Yu
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Power supply circuits and methods for supplying stable power to con...
- Publication number 20050190586
- Publication date Sep 1, 2005
- Christopher Radzinski
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Electronic ballast with lossless snubber capacitor circuit
- Publication number 20050168166
- Publication date Aug 4, 2005
- Qinghong Yu
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Lossless circuit for sampling of lamp voltage
- Publication number 20050168167
- Publication date Aug 4, 2005
- Qinghong Yu
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Electronic ballast with adaptive lamp preheat and ignition
- Publication number 20050168175
- Publication date Aug 4, 2005
- Christopher Radzinski
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Electronic ballast with open circuit voltage control and cable comp...
- Publication number 20050168165
- Publication date Aug 4, 2005
- Qinghong Yu
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
High efficiency 4-lamp instant start ballast
- Publication number 20050168164
- Publication date Aug 4, 2005
- Peter Shackle
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Qinghong Yu

Person

Patents Grantslast 30 patents

Power supply for halogen lamp having an inverter and output circuit

Ballast with filament heating and ignition control

Ballast with socket-to-fixture voltage limiting

Ballast with ignition voltage control

Program start ballast

Power supply circuits and methods for supplying stable power to con...

Ballast with frequency-diagnostic lamp fault protection circuit

Ballast with arc protection circuit

Electronic ballast with adaptive lamp preheat and ignition

High efficiency 4-lamp instant start ballast

Electronic ballast with open circuit voltage control and cable comp...

Electronic ballast with lossless snubber capacitor circuit

Lossless circuit for sampling of lamp voltage

Patents Applicationslast 30 patents

Ballast With Filament Heating And Ignition Control

Program Start Ballast

Ballast With Ignition Voltage Control

Ballast with Socket-To-Fixture Voltage Limiting

Power Supply for Halogen Lamp

Power supply circuits and methods for supplying stable power to con...

Electronic ballast with lossless snubber capacitor circuit

Lossless circuit for sampling of lamp voltage

Electronic ballast with adaptive lamp preheat and ignition

Electronic ballast with open circuit voltage control and cable comp...

High efficiency 4-lamp instant start ballast