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Vehicular Impact Signaling Device
An apparatus for the deployment of a visible plume to alert other motorists that a proximate motor vehicle has been involved in a collision.
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| Number | Title | Issue Date |
| 8030859 | Cold-cathode lamp, and display illumination device and display device therewith A cold cathode lamp includes a light-transmitting insulating tube, first and second internal electrodes arranged inside the insulating tube, first and second external electrodes arranged outside the insulating tube and respectively connected with the first and secon... | 10/04/2011 |
| 7592757 | System and method for dimming one or more light source A system for dimming one or more light sources includes a first light source that emits a light of a first brightness according to an operating condition of the first light source, a second light source that emits a light of a second brightness according to an opera... | 09/22/2009 |
| 7489091 | Backlight unit for liquid crystal display device A backlight unit includes: a plurality of cold cathode fluorescent lamps; a plurality of capacitors respectively connected to both ends of each of the cold cathode fluorescent lamps, the capacitors having respective impedance that are selected to allow the same amou... | 02/10/2009 |
| 7479745 | LCD back light panel lamp connecting structure An improved LCD back light panel lamp connecting structure. A high voltage end and a feedback end of the adjacent cold cathode fluorescent lamp (CCFL) modules alternate, and the feedback end of the CCFL is coupled to a single return board. The return board is couple... | 01/20/2009 |
| 7439945 | Light emitting diode driver circuit with high-speed pulse width modulated current control A Light-Emitting Diode (LED) driver circuit is disclosed that controls the brightness of light generated by a LED that is coupled between a first terminal and a second terminal in response to a user supplied brightness control signal. A constant current source gener... | 10/21/2008 |
| 7436133 | LCD back light panel lamp connecting structure An improved LCD back light panel lamp connecting structure comprises cold cathode fluorescent lamps (CCFL), and adjacent CCFL modules having high voltage ends and feedback ends arranged alternately, and the feedback ends on both sides of the CCFLs respectively coupl... | 10/14/2008 |
| 7429829 | Discharge lamp lighting circuit with an open protection circuit A discharge lamp lighting circuit includes a plurality of discharge lamps, a driving circuit, a control circuit, an open protection circuit, which are connected in series. The open protection circuit includes an open control circuit, a delay circuit, and a plurality... | 09/30/2008 |
| 7394213 | Multi-lamp driver A multi-lamp driver t disclosed, comprising a power driver coupled to a plurality of lamps to supply power thereto, a feedback circuit coupled to at least one of the lamps to generate a feedback signal, a control circuit coupled between the feedback circuit and the ... | 07/01/2008 |
| 7385310 | Electronic ballasts which can be connected in parallel on the basis of the type of lamp The invention relates to the supply of lamps (8″, 8′″) of at least two different lamp types, of which a first lamp type (8′″) has a wattage which is approximately a whole multiple of the wattage of a second lamp type (8″), whereby th... | 06/10/2008 |
| 7375984 | Zero voltage zero current switching converter A power converter circuit includes an input switching circuit, an isolation circuit, a rectifier circuit that includes a least a pair of rectifiers, and an output circuit. The input switching circuit receives a first voltage and generates an AC voltage. The isolatio... | 05/20/2008 |
| 7372213 | Lamp current balancing topologies A method according to on embodiment may include generating AC voltage and current and a striking voltage. The method of this embodiment may also include generating striking voltage and steady-state voltage for at least two lamp loads. The method of this embodiment m... | 05/13/2008 |
| 7372055 | Night vision infrared illuminator An illuminator assembly is provided for supplying night vision illumination. The assembly includes a support housing and an infrared illumination source. An infrared reflector receives the radiation emitted from the infrared illumination source and reflects the infr... | 05/13/2008 |
| 7370016 | Music distribution systems Music is blanket transmitted (for example, via satellite downlink transmission) to each customer's user station where selected music files are recorded. Customers preselect from a list of available music in advance using an interactive screen selector, and pay only ... | 05/06/2008 |
| 7369386 | Overcurrent protection for solid state switching system Current sensing resistors are connected directly to output terminals of MOSFETs forming the series switching stage of a PWM sinewave dimmer. An analog sensed current signal is coupled through an EMI resistant current link to comparators that provide an overcurrent i... | 05/06/2008 |
| 7352140 | Master-slave control architecture for inverters A master-slave control architecture for inverters includes a master control circuit board which has a master control unit to output a plurality of frequency signals of the same phase and same frequency so that driving units on a plurality of separated slave control ... | 04/01/2008 |
| 7340509 | Reconfigurable appliance control system A reconfigurable appliance control system includes a dedicated appliance control (DAC) for controlling operation of an appliance. The system further includes an appliance communication control (ACC) for communicating with at least one appliance. The system includes ... | 03/04/2008 |
| 7321207 | Inverter apparatus and liquid crystal display including inverter apparatus An inverter apparatus for driving a plurality of lamp units including a plurality of lamps is provided. The inverter apparatus includes a plurality of inverters. Each inverter includes a delay block delaying an input ON/OFF signal to generate an output ON/OFF signal... | 01/22/2008 |
| 7315135 | Load driving device and load driving method Provided is a load driving device controlling a drive of a load including a driver for periodically turning on/off a current according to a switching clock signal and supplying a average driving current to the load. Further provided is a dimming controller for contr... | 01/01/2008 |
| 7312588 | Ballast with frequency-diagnostic lamp fault protection circuit A ballast (20) for powering one or more gas discharge lamps (70,72,74,76) comprises an inverter (200) and a lamp fault protection circuit (400). Inverter (200) has an operating frequency that is load-dependent. Lamp fault protectio... | 12/25/2007 |
| 7307388 | Backlight modules and lamp modules in flat panel displays A lamp module for use in a backlight module of a flat panel display comprises a first transformer, a second transformer, a plurality of first lamps and a plurality of second lamps. The first transformer provides an AC power of a first phase, and the second transform... | 12/11/2007 |
| 7279851 | Systems and methods for fault protection in a balancing transformer An apparatus and methods for balancing current in multiple negative impedance gas discharge lamp loads. Embodiments advantageously include balancing transformer configurations that are relatively cost-effective, reliable, efficient, and good performing. Embodiments ... | 10/09/2007 |
| 7258438 | Retinal flux density meter and method of use A system for approximating flux density of light on a human retina. A housing has an opening allowing light to pass to inside the housing. A baffle coupled to the housing replicates a facial cutoff function response for the light inside the housing. Two detectors ar... | 08/21/2007 |
| 7255457 | Methods and apparatus for generating and modulating illumination conditions Methods and apparatus for generating essentially white light. In one example, a white light generating apparatus comprises at least one first white LED characterized by a first spectrum, and at least one second white LED characterized by a second spectrum, wherein t... | 08/14/2007 |
| 7250731 | Primary side current balancing scheme for multiple CCF lamp operation A backlight system drives multiple lamps using balanced groups of serially-connected lamp transformers. A plurality of lamp transformers is divided into multiple transformer groups. Primary windings of the lamp transformers are coupled in series in each transformer ... | 07/31/2007 |
| 7242563 | Reverse phase control power switching circuit with overload protection In one embodiment of the invention, a reverse phase control power switching circuit for controlling the flow of current through a load from an AC source comprises a sensing bridge in series with the load and the AC source. The conductive state of the sensing bridge ... | 07/10/2007 |
| 7233781 | System and method for emergency notification content delivery A method for disseminating emergency notification content from an emergency originating source. The method comprising: delivering the emergency notification content from the emergency originating source to at least one transmitting party; selecting a subset of users... | 06/19/2007 |
| 7233831 | Systems and methods for controlling programmable lighting systems One embodiment of the present invention is directed to a control system. The control system may be adapted to control one or more lighting systems (e.g. stand-alone or networked lighting systems). The control system may also have a user interface (e.g. dial or butto... | 06/19/2007 |
| 7233112 | PWM switching power supply control methods The solid state switching section of a high frequency PWM switching power supply may encounter problems in accurately regulating output power when the requested output power is above a threshold level, the threshold level typically being a high level approaching one... | 06/19/2007 |
| 7230392 | Analog control of light sources Analog control of a plurality of light sources, such as light-emitting diodes (LEDs), to generate multiple colors of light. An electronic circuit controls three or more analog outputs in response to a single analog input, each of the analog outputs controlling a dif... | 06/12/2007 |
| 7231060 | Systems and methods of generating control signals Separating a source in a stereo signal having a left channel and a right channel includes transforming the signal into a short-time transform domain; computing a short-time similarity measure between the left channel and the right channel; classifying portions of th... | 06/12/2007 |
| 7227634 | Method for controlling the luminous flux spectrum of a lighting fixture A method is disclosed for controlling a lighting fixture of a kind having individually colored light sources, e.g., LEDs, that emit light having a distinct luminous flux spectrum that varies in its initial spectral composition, that varies with temperature, and that... | 06/05/2007 |
| 7209900 | Music distribution systems Music is blanket transmitted (for example, via satellite downlink transmission) to each customer's user station where selected music files are recorded. Customers preselect from a list of available music in advance using an interactive screen selector, and pay only ... | 04/24/2007 |
| 7204622 | Methods and systems for illuminating environments Provided herein are methods and systems for illuminating environments, including aircraft environments. The methods and systems include facilities for providing both white and non-white illumination, with color and color temperature control, in programmed response t... | 04/17/2007 |
| 7202614 | Electronic ballast for a fluorescent task lamp An electronic ballast circuit for a handheld fluorescent task lamp, comprising a self-starting electronic driver circuit operated by a power supply and operable to start and run at least first and second compact fluorescent bulbs from a single output; first and seco... | 04/10/2007 |
| 7199531 | Variable output single constant source light fixture A light fixture having a variable light output level using one constant voltage power source includes multiple individually computer controllable light sources. Multiple light fixtures may be networked and individually controlled. Additional accessory control device... | 04/03/2007 |
| 7186003 | Light-emitting diode based products High-brightness LEDs, combined with a processor for control, can produce a variety of pleasing effects for display and illumination. A system disclosed herein uses high-brightness, processor-controlled LEDs in combination with diffuse materials to produce color-chan... | 03/06/2007 |
| 7183722 | Apparatus and method of driving lamp of liquid crystal display device A lamp driving apparatus of a liquid crystal display device includes m lamp groups in which a plurality of lamps generating light are disposed; n (n | 02/27/2007 |
| 7164240 | Method and apparatus for driving an external electrode fluorescent lamp A technique for driving one or more EEFLs, having first and second ends, in a bank of EEFLs involves driving the EEFLs at both the first and second ends. In a non-limiting embodiment a device constructed according to the technique includes a bank of EEFLs connected ... | 01/16/2007 |
| 7154229 | Electronic ballast with load shed circuit An electronic ballast (10) for powering at least one gas discharge lamp (30) includes a current-fed resonant inverter (300) and a load shed circuit (600). Inverter (300) ordinarily powers the lamp at a first level. When a load shed... | 12/26/2006 |
| 7154232 | Ballast control IC with multi-function feedback sense A multi-function feedback sense input in an electronic ballast control indicates a number of lamp faults on the basis of lamp parameters exceeding specified thresholds. An end of life detection is achieved by conditioning a lamp feedback with a DC offset to provide ... | 12/26/2006 |
