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| Number | Title | Issue Date |
| 8173920 | Load control device having a modular assembly A load control device has a modular assembly to allow for easy adjustment of the aesthetic and the color of the load control device after installation. The load control device comprises a user interface module and a base module. The user interface module includes an... | 05/08/2012 |
| D659158 | Portion of a visual display having icons | 05/08/2012 |
| 8169154 | Variable load circuits for use with lighting control devices A variable load circuit (2) is provided for use with a dimmer (1). A low wattage load such as a LED (3) is provided in series with the dimmer and the variable load circuit is provided in parallel with the LED. The variable load circuit has two d... | 05/01/2012 |
| D658594 | Tabletop remote load control device | 05/01/2012 |
| D658591 | Dynamic keypad for controlling electrical loads | 05/01/2012 |
| 8143806 | Multiple location dimming system A multiple location dimming system comprises a plurality of dimmers coupled between an AC power source and a lighting load. Each of the plurality of dimmers is operable to control the intensity of the lighting load and comprises a controllably conductive device, e.g... | 03/27/2012 |
| 8132609 | Roller shade system having a pleated fabric A pleated roller shade system allows a thin flexible shade fabric, such as, for example, silk, to be wrapped around a roller tube. The system comprises a pleating bar mounted parallel to the roller tube and having a fabric-receiving opening that defines, for example... | 03/13/2012 |
| 8129976 | Load control device having a gate current sensing circuit A gate drive circuit for a controllably conductive device, such as a triac, includes a trigger circuit for conducting a gate current through a control input of the controllably conductive device, and a sense circuit operable to generate a control signal representati... | 03/06/2012 |
| D655254 | Tabletop remote load control device | 03/06/2012 |
| 8125315 | Default configuration for a lighting control system A processing circuit for providing electronic photosensor information over a communication link. The processing circuit comprises a photosensor input circuit adapted to be directly coupled to a photosensor for receiving the electronic photosensor information from th... | 02/28/2012 |
| 8113264 | Tensioned roller shade system having a conical, grooved spool A tensioned roller shade system for installation in an opening, such as a window or a skylight, comprises a frame, a roller tube rotatably mounted between side channels of the frame adjacent a first end of the frame, a conical, grooved spool mounted adjacent the rol... | 02/14/2012 |
| 8111008 | Multiple-input electronic ballast with processor A ballast having a microprocessor embedded therein is controlled via four inputs. The ballast includes a high-voltage phase-controlled signal provided by a dimmer and an infrared (IR) receiver through which the ballast can receive data signals from an IR transmitter... | 02/07/2012 |
| 8098029 | Force invariant touch sensitive actuator A load control device for controlling an amount of power delivered to an electrical load from an AC power source, the load control device comprising a semiconductor switch operable to be coupled in series electrical connection between the source and the load, the se... | 01/17/2012 |
| 8077058 | Method of configuring a keypad of a load control system A load control system is operable to control the amount of power delivered to a plurality of electrical loads from an AC power source. The load control system includes a plurality of keypads, which each may include a different button assembly having a different butt... | 12/13/2011 |
| 8068014 | System for control of lights and motors A system for independent control of electric motors and electric lights includes a plurality of two-wire wallstations coupled in series via power wires between an alternating-current (AC) source and a light/motor control unit. The light/motor control unit is prefera... | 11/29/2011 |
| 8067926 | Power supply for a load control device A power supply for a load control device generates a DC voltage and provides an asymmetrical output current, while drawing a substantially symmetrical input current. The power supply comprises a controllably conductive switching circuit for controllably charging an ... | 11/29/2011 |
| 8067902 | Electronic ballast having a symmetric topology An electronic ballast for driving a gas discharge lamp having first and second electrodes comprises an inverter circuit and a symmetric resonant tank circuit for minimizing the RFI noise produced at the electrodes of the lamp. The inverter circuit receives a substan... | 11/29/2011 |
| D649520 | Buttons for a load control device | 11/29/2011 |
| D649125 | Buttons for a window blind control | 11/22/2011 |
| D649124 | Remote control | 11/22/2011 |
| D649123 | Load control device | 11/22/2011 |
| D649122 | Load control device | 11/22/2011 |
| 8056601 | Self-contained tensioned roller shade system A self-contained tensioned roller shade system that can be easily installed in an opening, such as a window or a skylight. The roller shade system comprises a free-standing frame, a roller tube rotatably mounted between first and second side channels of the frame ad... | 11/15/2011 |
| 8053997 | Load control device having a trigger circuit characterized by a variable voltage threshold A two-wire load control device, such as a dimmer, is operable to control the amount of power delivered to an electrical load, such as a magnetic low-voltage (MLV) load, and comprises a bidirectional semiconductor switch, a timing circuit, a trigger circuit having a ... | 11/08/2011 |
| 8049432 | Measurement circuit for an electronic ballast An electronic ballast for driving a gas discharge lamp comprises a measurement circuit for measuring a lamp current flowing through the lamp and a lamp voltage produced across the lamp. The ballast comprises a first winding magnetically coupled to a main transformer... | 11/01/2011 |
| 8049430 | Electronic ballast having a partially self-oscillating inverter circuit An electronic ballast for driving a gas discharge lamp comprises an inverter circuit that operates in a partially self-oscillating manner. The inverter circuit comprises a push-pull converter having a main transformer having a primary winding for producing a high-fr... | 11/01/2011 |
| 8049427 | Load control device having a visual indication of energy savings and usage information A dimmer switch for controlling the amount of power delivered to and thus the intensity of a lighting load comprises a visual display operable to provide a visual indication representative of energy savings and usage information. The visual display may comprise a si... | 11/01/2011 |
| 8042597 | Roller shade system having hembar for pleating a shade fabric A pleated roller shade system allows a thin flexible shade fabric, such as, for example, silk, to be wrapped around a roller tube. The system comprises a pleating hembar contained within a hembar pocket of the shade fabric. The hembar is characterized by a non-linea... | 10/25/2011 |
| D647490 | Buttons for a window blind control | 10/25/2011 |
| D647489 | Dimmer switch | 10/25/2011 |
| 8040080 | Force invariant touch sensitive actuator A user interface for a lighting control has a touch sensitive front surface; a four-wire resistive touch pad responsive to a point actuation on the front surface, the touch pad having a longitudinal resistive element for providing a first control signal representati... | 10/18/2011 |
| D647066 | Tabletop remote load control device | 10/18/2011 |
| D647064 | Dimmer switch | 10/18/2011 |
| 8035529 | Distributed intelligence ballast system A ballast for use in a multi-ballast lighting system wherein the ballasts are coupled together by a digital communication network. The ballast comprises a power circuit portion for providing an electrical current to power a lamp. The ballast further includes a senso... | 10/11/2011 |
| D646640 | In-cord load control device | 10/11/2011 |
| 8031049 | Method of communicating a command for load shedding of a load control system The present invention provides a means for secure communication between an electrical utility company and an electricity customer, such that the customer is able to shed one or more loads in response to a load shed command from the utility company. A system server o... | 10/04/2011 |
| D646232 | Remote control | 10/04/2011 |
| D645413 | Dimmer switch | 09/20/2011 |
| D645412 | Dimmer switch | 09/20/2011 |
| D645411 | Dimmer switch | 09/20/2011 |
