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"During my service in the United States Congress, I took the initiative in creating the Internet."
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| Number | Title | Issue Date |
| 8183783 | Power failure reporting in a networked light Power is stored in a networked light allowing the networked light to send a message over the network providing information that the networked light is turning off if external power is no longer available. ... | 05/22/2012 |
| 8174197 | Power control circuit and method A light source with substantially constant intensity and power consumption is provided. The light source includes a controllable dc voltage and current source; a non-linear light-emitting load supplied with dc voltage and current from the controllable dc voltage and... | 05/08/2012 |
| 8115397 | Power failure reporting in a networked light Power is stored in a networked light allowing the networked light to send a message over the network providing information that the networked light is turning off if external power is no longer available. ... | 02/14/2012 |
| 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 |
| 8018166 | Lighting control system and three way occupancy sensor There is disclosed a sensor which, when integrated into a dimming system, can turn the dimmer on and off, and vice versa. As an example, lights which are connected to the dimmer can be turned on by using the dimmer, the light level can be adjusted to provide a level... | 09/13/2011 |
| 7940010 | Emergency lighting An emergency lighting system comprising light units and sensors, such as heat detectors, smoke detectors and motion detectors, operable to activate the light units. In the preferred embodiment, the light units are operable to adopt a selected one of at least two ill... | 05/10/2011 |
| 7839090 | Drive circuit for driving indicators in computer system A circuit is used to indicate different statuses of a component of a computer system. The circuit includes a port, an indicating device, and a control circuit. The port outputs different signals corresponding to different statuses of the component. The indicating de... | 11/23/2010 |
| 7772781 | Intelligent user interface with touch sensor technology An electronic circuit including a microchip for use as an intelligent user interface also comprises touch sensor technology that differentiates between proximity and physical contact events to activate and control various loads including light bulbs, products with r... | 08/10/2010 |
| 7501769 | Light fixture with a diagnostic ballast The invention relates to a light fixture assembly having a ballast substantially maintaining a consistent current and further includes an indicator for indicating a problem with the light fixture assembly. A switch remote from the ballast may be provided where a cir... | 03/10/2009 |
| 7443101 | Intelligent electrical switching device including a touch sensor switch The present invention, according to a preferred embodiment, is directed to portable electronic devices which operate on exhaustible power sources, for example, batteries. The electronic devices of the present invention comprise at least one signal switch and a micro... | 10/28/2008 |
| 7425798 | Intelligent light degradation sensing LED traffic signal The inventive signal incorporates an intelligent diagnosis module inside a light emitting diode (LED) signal, such as an LED traffic signal. The inventive signal can self-extinguish or send a signal through its communication port at the end of its useful life when t... | 09/16/2008 |
| 7414540 | Computer power indicator circuit In one preferred embodiment, a power indicator circuit for a computer comprises a light-emitting diode (LED) indicating power management states of a computer; a first resister connected between one pole of the LED and a power source; a second resistor connected betw... | 08/19/2008 |
| 7411358 | Inverter circuit, backlight assembly, and liquid crystal display with backlight assembly In an inverter circuit for a backlight assembly, a first sinusoidal voltage and a second sinusoidal voltage having an opposite polarity to that of the first sinusoidal voltage are applied across terminals of 2n CCFLs. Each of respective primary coils of n first bala... | 08/12/2008 |
| 7394203 | Method and system for open lamp protection A detector circuit monitors the phase relationship between the lamp voltage and the excitation voltage, and if one or more conditions are met, triggers the open lamp protection process in a discharge lamp system. The detection circuit can be incorporated into a lamp... | 07/01/2008 |
| 7391164 | Visual notification methods for candy-bar type cellphones A wireless handheld communications device with a liquid crystal display, especially, a field sequential liquid crystal display, includes a visual notification for a powered up, inactive state. The visual notification is preferably through a light emitting diode that... | 06/24/2008 |
| 7382454 | System and method for optically assessing lamp condition A greater efficiency and cost-effectiveness is achieved by optically assessing the condition of a gas discharge lamp. Herein, a system and method of optically assessing lamp condition includes measuring the intensity of emitted light within two portions of the emitt... | 06/03/2008 |
| 7362965 | Wireless communication activation system and method A system and method for removable connection of an antenna element to a first flash synchronization connector of a camera body having wireless communication capability therein. An electrical event may be produced when the antenna element is connected to the first fl... | 04/22/2008 |
| 7358685 | DC-DC converter having protective function of over-voltage and over-current and led driving circuit using the same The invention relates to a DC-DC converter having over-current/over-voltage protection function and an LED driving circuit using the same. The DC-DC converter adjusts a width of a switching pulse outputted from a Pulse Width Modulation (PWM) controller to control on... | 04/15/2008 |
| 7345423 | Assembly of a fluorescent lamp and an extension means An energy-saving assembly of an elongate low-pressure mercury vapor discharge lamp (1) and at least one elongate extension (2). The low-pressure mercury vapor discharge lamp includes a light-transmitting discharge vessel (10) enclosing, in a gas... | 03/18/2008 |
| 7329995 | Serial lamp set having security warning functions A serial lamp set having security warning functions comprising at least one serial lamp set unit composed of a plurality of light emitting elements, insulated electric wires, and power source connector; at least one IC set being connected in the serial lamp set for ... | 02/12/2008 |
| 7282869 | HID ballast and lamp tester The instant invention relates to an HID ballast and lamp tester, which provides visual indication of failure of either the ballast or lamp by continuously monitoring the status of the HID lighting system. The HID ballast and lamp tester detects and utilizes the volt... | 10/16/2007 |
| 7276911 | Detection of malfunctioning bulbs in decorative light strings A system for locating a malfunctioning bulb in a decorative light string uses an antenna that produces an output signal corresponding to the strength of the electric field produced by a portion of the light string near the antenna. An amplifier is coupled to the ant... | 10/02/2007 |
| 7274117 | Radio wall switch A radio wall switch that uses radio signals to control a load through a load circuit is disclosed. The radio wall switch is also configured group or bind electronic devices to operate collectively by responding to the same radio control signals. Preferably, the radi... | 09/25/2007 |
| 7268674 | Remote dummy load The inventive dummy load is mounted on the input power cables of a traffic signal while managing the heat load generated by either a resistive and/or capacitive load. Using the inventive dummy load, there is no thermal path back to the light emitting diode (LED) boa... | 09/11/2007 |
| 7265494 | Intelligent user interface with touch sensor technology An electronic circuit including a microchip for use as an intelligent user interface also comprises touch sensor technology that differentiates between proximity and physical contact events to activate and control various loads including light bulbs, products with r... | 09/04/2007 |
| 7261458 | Semiconductor chip with container and contact elements for use in a light socket A shunt device for use in a light socket includes a first semiconductor chip and a first container having a receiving surface for receiving the first semiconductor chip therein and having an open surface through which the first semiconductor chip is exposed and a fi... | 08/28/2007 |
| 7247999 | Dimmer for use with a three-way switch A smart dimmer for controlling the intensity of a lighting load from a source of AC power is operable to replace one of the three-way switches in a standard three-way lighting system without the need to replace the other three-way switch with a unique accessory swit... | 07/24/2007 |
| 7245224 | Methods and systems for diagnosing projection device failure Projection device failure may be diagnosed by sensing improper operation of projection lamp ignitor circuitry. An ignitor failure indicator may be activated based on a sensed failure in the operation of the lamp ignitor circuitry to prevent incorrect projection lamp... | 07/17/2007 |
| 7245085 | Lamp fault detector The continuity of a series-wired, lamp circuit is restored after interruption caused by failure of a lamp filament by providing a control relay that is wired in parallel with each lamp. A power resistor having a resistive load substantially the same as that of a lam... | 07/17/2007 |
| 7238326 | Germicidal treatment system with status indicator There is disclosed a germicidal treatment system having a status indicator. The germicidal treatment system comprises at least one mounting assembly attachable to an outside of a wall of an air handling apparatus. Each of the mounting assemblies includes a germicida... | 07/03/2007 |
| 7239093 | System and method for controlling luminance of an LED lamp A system for controlling luminance of an LED (Light Emitting Diode) lamp includes an MCU (3), an LED circuit (4), an LED lamp (5), and a display (6). The MCU controls the LED circuit to adjust a luminance value of the LED lamp. The MCU in... | 07/03/2007 |
| 7196633 | Integrated radio tower light controller and alarm reporting device An integrated radio tower light controller and alarm reporting device is described that is made up of solid-state current sensing modules that monitor the AC current distributed to the various lights/beacons and report various alarm modes. In addition, a solid-state... | 03/27/2007 |
| 7190121 | Systems and methods to control light-emitting diodes According to some embodiments, systems and methods may be employed for receiving a power consumption signal. An on-state of a light-emitting diode may be defined. A duty cycle of the light-emitting diode may be determined based at least in part on the power consumpt... | 03/13/2007 |
| 7166970 | Lighting control device having improved long fade off A lighting control device for controlling the light intensity level of at least one lamp is disclosed. The lighting control device includes an actuator and a controller, such as a microcontroller, for example. The controller is operable to cause the light intensity ... | 01/23/2007 |
| 7161308 | High-voltage discharge lamp operating device A high-voltage discharge lamp operating device capable of reducing the size and the weight of a DC-DC converter circuit, and accordingly of the operating device without generating any magnetic saturation of a transformer core part even when igniting a lamp in the op... | 01/09/2007 |
| 7133607 | Wireless communication activation system and method A system and method of alerting a wireless communication capability of a camera body to the presence of an external antenna element present in electrical communication with a pre-existing port of the camera body that was originally not designed for an external anten... | 11/07/2006 |
| 7122971 | Driver circuit for driving a plurality of DC lamp strings A driver circuit for a DC light source supplies a voltage generated by a DC-to-DC converter for a plurality of lamp strings connected in parallel and a plurality of driving currents generated by a current mirror for the lamp strings, such that the lamp strings may h... | 10/17/2006 |
| 7120560 | Lamp monitoring and control system and method A system and method for remotely monitoring and/or controlling an apparatus and specifically for remotely monitoring and/or controlling street lamps. The lamp monitoring and control system comprises lamp monitoring and control units, each coupled to a respective lam... | 10/10/2006 |
| 7119459 | Intelligent switch for connecting power to a load A switching circuit includes a microchip which, in response to a signal from a signal switch, controls the operation of a power switch which, when closed, connects a load to a battery. The microchip can monitor the status of the battery and control the power switch ... | 10/10/2006 |
| 7113893 | Lamp monitoring and control unit and method A unit and method for remotely monitoring and/or controlling an apparatus and specifically for remotely monitoring and/or controlling street lamps. The lamp monitoring and control unit comprises a processing and sensing unit for sensing at least one lamp parameter o... | 09/26/2006 |
