Andrew Johnsen

Person

Danvers, MA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Multi string controller with independent current setting for each s...
- Patent number 10,327,295
- Issue date Jun 18, 2019
- OSRAM SYLVANIA Inc.
- Andrew Johnsen
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Active damping circuit
- Patent number 10,225,908
- Issue date Mar 5, 2019
- OSRAM SYLVANIA Inc.
- Jinsheng Wei
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Active damping circuit
- Patent number 9,992,846
- Issue date Jun 5, 2018
- OSRAM SYLVANIA Inc.
- Jinsheng Wei
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Turn on optimization
- Patent number 9,295,129
- Issue date Mar 22, 2016
- OSRAM SYLVANIA Inc.
- Peng Xiao
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
High frequency integrated HID lamp with run-up current
- Patent number 8,378,585
- Issue date Feb 19, 2013
- Osram Sylvania Inc.
- Andrew Johnsen
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Ignition for ceramic metal halide high frequency ballasts
- Patent number 8,076,865
- Issue date Dec 13, 2011
- Osram Sylvania Inc.
- Andrew Johnsen
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Integrated igniter base for ceramic metal halide light source
- Patent number 7,982,402
- Issue date Jul 19, 2011
- Osram Sylvania Inc.
- Andrew Johnsen
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of making an integral HID reflector lamp
- Patent number 7,931,514
- Issue date Apr 26, 2011
- Osram Sylvania Inc.
- Jason J Li
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Aggregate ignition method in high frequency metal halide lamps
- Patent number 7,919,926
- Issue date Apr 5, 2011
- Osram Sylvania Inc.
- Andrew Johnsen
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Ceramic metal halide lamp bi-modal power regulation control
- Patent number 7,863,827
- Issue date Jan 4, 2011
- Osram Sylvania Inc.
- Andrew Johnsen
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Circuit board slot for an integral HID reflector lamp
- Patent number 7,841,742
- Issue date Nov 30, 2010
- Osram Sylvania Inc.
- Glenn Freeman
- F21 - LIGHTING
Information Patent Grant
Microcontroller based ignition in high frequency ceramic metal hali...
- Patent number 7,839,098
- Issue date Nov 23, 2010
- Osram Sylvania Inc.
- Andrew Johnsen
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Ballast with zero voltage switching converter
- Patent number 7,402,956
- Issue date Jul 22, 2008
- Osram Sylvania Inc.
- Andrew O. Johnsen
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
High intensity discharge lamp ballast with anti-theft operating mode
- Patent number 7,230,349
- Issue date Jun 12, 2007
- Andrew O. Johnsen
- B60 - VEHICLES IN GENERAL
Information Patent Grant
High intensity discharge lamp with current sense resistor
- Patent number 7,211,965
- Issue date May 1, 2007
- Osram Sylvania Inc.
- Andrew O. Johnsen
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
High intensity discharge lamp with boost circuit
- Patent number 7,057,356
- Issue date Jun 6, 2006
- Osram Sylvania Inc.
- Andrew O. Johnsen
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Driver circuit for LED vehicle lamp
- Patent number 7,042,165
- Issue date May 9, 2006
- Osram Sylvania Inc.
- Vipin Madhani
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
A MULTI STRING CONTROLLER WITH INDEPENDENT CURRENT SETTING FOR EACH...
- Publication number 20190045595
- Publication date Feb 7, 2019
- OSRAM SYLVANIA INC.
- Andrew Johnsen
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
ACTIVE DAMPING CIRCUIT
- Publication number 20180098395
- Publication date Apr 5, 2018
- OSRAM SYLVANIA INC.
- Jinsheng Wei
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
ACTIVE DAMPING CIRCUIT
- Publication number 20180042084
- Publication date Feb 8, 2018
- OSRAM SYLVANIA INC.
- Jinsheng Wei
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
DC-DC FLYBACK CONVERTER WITH PRIMARY SIDE AUXILIARY VOLTAGE OUTPUT
- Publication number 20170063240
- Publication date Mar 2, 2017
- Osram Sylvania Inc.
- Nitin Kumar
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
High Frequency Integrated HID Lamp With Run-Up Current
- Publication number 20100117554
- Publication date May 13, 2010
- Osram Sylvania Inc.
- Andrew Johnsen
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
INTEGRATED IGNITER BASE FOR CERAMIC METAL HALIDE LIGHT SOURCE
- Publication number 20100066247
- Publication date Mar 18, 2010
- Osram Sylvania Inc.
- Andrew Johnsen
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
AGGREGATE IGNITION METHOD IN HIGH FREQUENCY METAL HALIDE LAMPS
- Publication number 20090289565
- Publication date Nov 26, 2009
- Osram Sylvania Inc.
- Andrew Johnsen
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
MICROCONTROLLER BASED IGNITION IN HIGH FREQUENCY CERAMIC METAL HALI...
- Publication number 20090289573
- Publication date Nov 26, 2009
- Osram Sylvania Inc.
- Andrew Johnsen
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
INTEGRATED CERAMIC METAL HALIDE HIGH FREQUENCY BALLAST ASSEMBLY
- Publication number 20090289553
- Publication date Nov 26, 2009
- Osram Sylvania, Inc.
- Glenn Freeman
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
CERAMIC METAL HALIDE LAMP BI-MODAL POWER REGULATION CONTROL
- Publication number 20090289564
- Publication date Nov 26, 2009
- Osram Sylvania Inc.
- Andrew Johnsen
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
IGNITION FOR CERAMIC METAL HALIDE HIGH FREQUENCY BALLASTS
- Publication number 20090289572
- Publication date Nov 26, 2009
- Osram Sylvania Inc.
- Andrew Johnsen
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Method of making an integral HID reflector lamp
- Publication number 20090280713
- Publication date Nov 12, 2009
- Osram Sylvania Inc.
- Jason J. Li
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Heat sink for integral HID reflector lamp
- Publication number 20090279304
- Publication date Nov 12, 2009
- Osram Sylvania Inc.
- Glenn Freeman
- F21 - LIGHTING
Information Patent Application
Circuit board slot for an integral HID reflector lamp
- Publication number 20090279309
- Publication date Nov 12, 2009
- Osram Sylvania Inc.
- Glenn Freeman
- F21 - LIGHTING
Information Patent Application
Ballast with Zero Voltage Switching Converter
- Publication number 20080061706
- Publication date Mar 13, 2008
- Osram Sylvania Inc.
- Andrew O. Johnsen
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
High intensity discharge lamp with boost circuit
- Publication number 20060097663
- Publication date May 11, 2006
- Osram Sylvania Inc.
- Andrew O. Johnsen
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
High intensity discharge lamp ballast with anti-theft operating mode
- Publication number 20060097661
- Publication date May 11, 2006
- Andrew O. Johnsen
- B60 - VEHICLES IN GENERAL
Information Patent Application
Driver circuit for LED vehicle lamp
- Publication number 20050057179
- Publication date Mar 17, 2005
- Osram Sylvania Inc.
- Vipin Madhani
- B60 - VEHICLES IN GENERAL
Information Patent Application
High intensity discharge lamp with current sense resistor
- Publication number 20050040771
- Publication date Feb 24, 2005
- Osram Sylvania Inc.
- Andrew O. Johnsen
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Andrew Johnsen

Person

Patents Grantslast 30 patents

Multi string controller with independent current setting for each s...

Active damping circuit

Active damping circuit

Turn on optimization

High frequency integrated HID lamp with run-up current

Ignition for ceramic metal halide high frequency ballasts

Integrated igniter base for ceramic metal halide light source

Method of making an integral HID reflector lamp

Aggregate ignition method in high frequency metal halide lamps

Ceramic metal halide lamp bi-modal power regulation control

Circuit board slot for an integral HID reflector lamp

Microcontroller based ignition in high frequency ceramic metal hali...

Ballast with zero voltage switching converter

High intensity discharge lamp ballast with anti-theft operating mode

High intensity discharge lamp with current sense resistor

High intensity discharge lamp with boost circuit

Driver circuit for LED vehicle lamp

Patents Applicationslast 30 patents

A MULTI STRING CONTROLLER WITH INDEPENDENT CURRENT SETTING FOR EACH...

ACTIVE DAMPING CIRCUIT

ACTIVE DAMPING CIRCUIT

DC-DC FLYBACK CONVERTER WITH PRIMARY SIDE AUXILIARY VOLTAGE OUTPUT

High Frequency Integrated HID Lamp With Run-Up Current

INTEGRATED IGNITER BASE FOR CERAMIC METAL HALIDE LIGHT SOURCE

AGGREGATE IGNITION METHOD IN HIGH FREQUENCY METAL HALIDE LAMPS

MICROCONTROLLER BASED IGNITION IN HIGH FREQUENCY CERAMIC METAL HALI...

INTEGRATED CERAMIC METAL HALIDE HIGH FREQUENCY BALLAST ASSEMBLY

CERAMIC METAL HALIDE LAMP BI-MODAL POWER REGULATION CONTROL

IGNITION FOR CERAMIC METAL HALIDE HIGH FREQUENCY BALLASTS

Method of making an integral HID reflector lamp

Heat sink for integral HID reflector lamp

Circuit board slot for an integral HID reflector lamp

Ballast with Zero Voltage Switching Converter

High intensity discharge lamp with boost circuit

High intensity discharge lamp ballast with anti-theft operating mode

Driver circuit for LED vehicle lamp

High intensity discharge lamp with current sense resistor