General Electric Company

Ge Lighting Solutions LLC

Current Lighting Solutions, LLC

Savant Technologies LLC

Boe Technology Group Co., Ltd.

Bruce Richard Roberts

Gary Robert Allen

Deeder M Aurongzeb

Thomas Alexander Knapp

David C Dudik

Joshua Ian Rintamaki

Boris Kolodin

Glenn Howard Kuenzler

Louis Robert Nerone

William Winder Beers

Timothy Chen

Jon Bennett Jansma

Ramanujam Ramabhadran

Laszlo Sandor Ilyes

Viktor Karoly Varga

Kevin James Vick

Kevin Payne

Jeffrey Joseph Nasadoski

Tony Aboumrad

Timothy Alan Taubert

Josip Brnada

Avi Shertok

Thomas Clynne

Sudarsan Srinivasan

David Joseph Kachmarik

Pradeep Vijayan

Mark E Duffy

Gang Yao

Sean Sullivan

Kevin Jeffrey Benner

Agoston Boroczki

Yehuda Daniel Levy

Jeremias Anthony Martins

Richard Klug

James Michael Kostka

István Maros

Michael Scott Herzog

Wei Xiong

Stefan Rakuff

Christopher Rini

Donald Seton Farquhar

Longyu Chen

Gregory Quentin Brown

Virgil A Chichernea

Rajendra Kumar Pokharna

David Joseph Tracy

Brendon Hill

Joseph G Elek

Andrew Scott Albrecht

Taylor Apolonius Barto

Shimon Khananshvili

Shahzil Rana

Jeffrey Plaskon

Lazlo Balazs

Jonathan Kron

David A D'Onofrio

Berney L Montavon

Louis Nerone

David Huang

Ronald Pettis

Didier Morel

Kevin C Payne

Kevin Carr Payne

Embodiments are generally directed to an emergency driver () and an intelligent module () for the emergency driver (). An embodiment of the emergency driver () may include a digital communication interface (), a DC power supply () and a controller (). The digital communication interface () may be configured to receive an input signal () via a control bus (). The DC power supply () may be configured to provide a DC output () to the control bus (). The controller () may be coupled to the digital communication interface () and the DC power supply () and may be configured to control the emergency driver () to operate in a first operation mode. The input signal () received at the digital communication interface () may be a digital input signal when the emergency driver is operating in a first operation mode.

Emergency driver and intelligent module for the emergency driver

A light emitting diode (LED) lamp includes a primary LED grouping (), a switchable LED grouping (), and a conduction path selector () configured to select a conductive path that places the primary LED grouping in electrical series with at least a portion of the switchable LED grouping, or bypasses the switchable LED grouping. The primary LED grouping have a first color temperature rating, and each respective LED subgrouping have a respective color temperature different from the first color temperature. Selection of one or more LED subgrouping results in the LED lamp emitting different color temperatures.

LED lamp with selectable color temperature output

A system and method including receiving, from a plurality of sensors, a sequence of data indicative of a presence of a person in an area of interest within a field of view of the plurality of sensors; determining an estimate of background level information for the area of interest in an instance of an absence of a person in the area of interest; generating a probability of a person being located in the area of interest based on a combination of the determined background level information and the sequence of data indicative of a presence of a person in the area of interest; determining a number of centroids in the area of interest based on an execution of clustering executed to determine an optimized total number of centroids for a dataset; and generating a count of persons in the area of interest based on determined total number of centroids.

Sensor data array and method of counting occupants

A lamp assembly includes a base, a hermetically sealed outer jacket mounted on the base, and a driver circuit disposed within the hermetically sealed outer jacket and electrically coupled to the base. The lamp assembly may also include a safety circuit configured to interrupt electrical power to the lamp assembly if the hermetically sealed outer jacket is compromised.

LED lamp with encapsulated driver and safety circuit

A light emitting apparatus comprises: an LED-based light source; a spherical, spheroidal, or toroidal diffuser generating a Lambertian light intensity distribution output at any point on the diffuser surface responsive to illumination inside the diffuser; and a base including a base connector. The LED based light source, the diffuser, and the base are secured together as a unitary LED lamp installable in a lighting socket by connecting the base connector with the lighting socket. The diffuser is shaped and arranged respective to the LED based light source in the unitary LED lamp to conform with an isolux surface of the LED based light source. The base is operatively connected with the LED based light source in the unitary LED lamp to electrically power the LED based light source using electrical power received at the base connector.

LED lamp with uniform omnidirectional light intensity output

The present disclosure provides a lamp assembly (), comprising a base (), an outer jacket () mounted to the base (), a first reflective substrate () positioned within the outer jacket (), and a first solid-state light source () disposed proximate the first reflective substrate (). The outer jacket () may be glass. The outer jacket () may hermetically seal the first solid-state light source ().

LED lamp with internal mirror

A method of operating an LED lighting device includes sampling a voltage of a rectified AC waveform used to provide power to the LED lighting device, selectively connecting one or more of a plurality of LED light sources in a one or more of a series and parallel combination to achieve a predetermined voltage across the connected LED light sources with respect to the sampled voltage, and regulating a current through the connected LED light sources to achieve a predetermined current with respect to the sampled voltage.

Power factor correction optimization by digital feedback

A lighting device includes a secondary LED lamp assembly, a secondary power source, a first switch connecting the secondary LED lamp assembly and the secondary power source upon an absence of power from an AC mains supply, and a secondary power source return circuit from the secondary LED lamp assembly through a pre-existing second switch connected to the AC mains supply and used to control the lighting device. A method of operating a lighting device includes connecting a secondary LED lamp assembly and a secondary power source upon an absence of power from an AC mains supply, and providing a secondary power source return circuit from the secondary LED lamp assembly through a pre-existing second switch connected to the AC mains supply and used to control the lighting device.

Battery back up lamp using AC wiring activation

An electronic device includes a controller configured to regulate one or more voltages or currents of a power converter. The controller is configured to receive an input voltage of the power converter, determine whether the power converter is operating in a first mode of operation or a second mode of operation based at least in part on the input voltage, generate a multiplier reference signal for the power converter based on whether the power converter is operating in the first mode of operation or the second mode of operation, and adjust an input current of the power converter based at least in part on the multiplier reference signal. Adjusting the input current includes correcting the input current to be substantially identical in form to the input voltage.

Systems and methods for controlling and improving power converters

A lighting device with a drive device for dimming light-emitting diodes. The drive device comprises a dimming component that operates a switch in response to both a change in an input power signal and a system temperature. In one example, the dimming device can include a waveform generator that generates a signal with a waveform having levels that change in response to changes in temperature. The waveform defines the time during which the switch is open and closed, thereby determining the period of time the LEDs are energized. By operating the LEDs in this manner, the drive device effectively dims the LEDs to reduce the operating temperature and cool the LEDs.

Lighting device including a drive device configured for dimming light-emitting diodes

A lighting device includes a first LED light source having a first color temperature, a second LED light source having a second, lower color temperature connected in parallel with the first LED light source, and control circuitry operable to apply variable duty cycle frequency modulated power to the first LED light source while continuous power is provided to the second LED light source. A method of operating a lighting device includes providing variable duty cycle frequency modulated power to a first LED light source having a first color temperature, and providing continuous power to a second LED light source having a second, lower color temperature connected in parallel with the first LED light source.

Warm dimming for an LED light source

A power factor controller (PFC) for an electrical load such as LED lighting includes a power factor correcting converter for generating a sinusoidal input current. The PFC further includes a programmable controller for estimating a phase shifted multiplier. A current regulator generates a desired PFC current in response to an input voltage, an output load and the phase shifted and subsequently blanked multiplier. The electrical load operates in response to the sinusoidal input current based at least partially on the desired PFC current.

System and method of compensating power factor for electrical loads

A lamp base including a neutral contact and a line contact, a semiconductor transient protection device having three terminals. The semiconductor transient protection device being an integral portion of the lamp base. A first terminal of the semiconductor transient protection device in mechanical and electrical contact with the neutral contact, a second terminal in mechanical and electrical contact with the line contact, and a third terminal in electrical contact with a lead-in wire. The semiconductor transient protection device configured to isolate the line contact from the neutral contact during a first line voltage input, and to provide a low-resistance shunt path between the line contact and the neutral contact during a second line voltage input.

Lamp base having integral semiconductor transient protection device

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Mentor-on-the-Lake, OH, United States of America

Bruce Richard Roberts