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"I hate what they've done to my child...I would never let my own children watch it. "
Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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| Number | Title | Issue Date |
| 7459899 | Inductively-coupled RF power source A system and method are disclosed for implementing a power source including a power amplifier that generates a radio-frequency power signal with an adjustable operating frequency. The power amplifier also generates a reference phase signal that is derived from the r... | 12/02/2008 |
| 7459859 | Organic light emitting display having organic light emitting diode circuit with voltage compensation and technique thereof An organic light emitting diode circuit of an organic light emitting display with voltage compensation technique includes a first capacitor, a first TFT, a second TFT, a third TFT, a reset circuit and an OLED. The first TFT has a first terminal for receiving a first... | 12/02/2008 |
| 7459856 | Compact fluorescent lamp with outer envelope and method for manufacturing A compact fluorescent lamp comprises a discharge tube arrangement with at least one discharge tube. The tube is formed of glass, encloses a discharge volume filled with a discharge gas and has a fluorescent phosphor coating disposed on the inner surface of the tube.... | 12/02/2008 |
| 7456590 | Vehicular lamp A vehicular lamp used in an automobile includes: semiconductor light emitting elements for emitting light; a time measurement unit for measuring time in which the semiconductor light emitting elements continues to emit light; and a current supplying unit for supplyi... | 11/25/2008 |
| 7456580 | Light emitting device Provided is a light emitting device. Particularly, the light emitting device comprises a threshold voltage compensator. The threshold voltage compensator is connected between a gate and a drain of the driving TFT and has a gate connected to a second scan line to tem... | 11/25/2008 |
| 7456587 | Digital controlled light source driving apparatus A digital controlled light source driving apparatus includes a digital processor and a step-up circuit. The digital processor has a digital switching-signal generating module and a protecting module. The digital switching-signal generating module generates at least ... | 11/25/2008 |
| 7453217 | Marketplace illumination methods and apparatus Methods and apparatus for providing illumination in a marketplace. In one example, radiation comprising variable color light is generated using a plurality of LEDs. One or more articles in the marketplace are illuminated with the generated radiation, and the spectra... | 11/18/2008 |
| 7442940 | Focal plane array incorporating ultra-small resonant structures A focal plane array electromagnetic radiation detector includes an array of micro-electromagnetic resonant detector cells. Each micro-electromagnetic resonant detector cell may include an ultra-small resonant structure for receiving an electromagnetic wave and adapt... | 10/28/2008 |
| 7443110 | Discharge lamp energizing circuit and method of energizing discharge lamp A discharge lamp energizing circuit has a pulse generating circuit and a control circuit. The pulse generating circuit has a DC power supply unit, and a transformer, a first semiconductor switch, and a second semiconductor switch which are connected in series across... | 10/28/2008 |
| 7436128 | Driving circuit for hot cathode fluorescent lamps A driving circuit for hot cathode fluorescent lamps aims to filter out signals with a voltage value lower than a duty voltage value of a switch unit through a commutation unit and a valley filled power correction circuit to prevent power from accumulating and the sw... | 10/14/2008 |
| 7436121 | Light source device A light source device for a projector device having a discharge lamp with a silica glass discharge vessel containing a pair of opposed electrodes and at least 0.15 mg/mm3 of mercury, a concave reflector which surrounds the discharge lamp and reflects ligh... | 10/14/2008 |
| 7432667 | Projector lamp control for increased lamp life An electronic lamp control system for life time extension of a DC high intensity discharge lamp has a light sensor (130) for sensing an output of a lamp (31), a power supply (110) for the lamp (31), and a controller (20) for contro... | 10/07/2008 |
| 7429825 | Headlight beam control system and headlight beam control method A headlight beam control system includes an image taking apparatus for capturing an image to the rear of the user's vehicle and for generating image data from the captured image, a following vehicle information acquisition unit for acquiring following vehicle inform... | 09/30/2008 |
| 7423383 | Brightness controlling apparatus An apparatus and method for enabling screen brightness of a display unit to be adjusted automatically according to display brightness, thereby improving the visibility of the display screen to a viewing user. A brightness adjusting system including a gray scale grad... | 09/09/2008 |
| 7423367 | Design of high power pulsed flash lamps Broadband output high power pulsed flash lamps are useful in many applications, and when specifically optimized, can become an excellent source of ultraviolet (UV) light, which is particularly useful for photo-chemically-induced materials processing applications. Mu... | 09/09/2008 |
| 7420511 | Antenna for a plurality of bands The present invention provides an antenna for multiple bands employing a single antenna element 10, capable of operating in multiple frequency bands, and ideal for size reduction purposes. One end A of an antenna element 10 is electrically connected to... | 09/02/2008 |
| 7421224 | Heating device, auxiliary power supplying device, auxiliary power supplying system, fixing device, and image forming apparatus A heating device of the invention comprises a heater, a main power supply, and an auxiliary power supply. The heater includes a main heating element which generates heat with power supplied from the main power supply, and an auxiliary heating element which has a res... | 09/02/2008 |
| 7417384 | Load control system and method A load control systems and methods. One embodiment of a load control system comprises at least two triac devices connected in parallel to a load, the at least two triac devices operable to deliver current to the load. At least one driver circuit is linked to the at ... | 08/26/2008 |
| 7417380 | Electron emission device An electron emission device has an optimized inner structure where the electrons emitted from the electron emission regions are straightly migrated toward the phosphor layers. The electron emission device includes first and second substrates facing each other, and c... | 08/26/2008 |
| 7402958 | Display power partitioning According to one embodiment of the present invention, a voltage regulator is disclosed. The voltage regulator includes a step-down portion to step down an input voltage to a desired voltage when the input voltage is provided by a battery power source; and a step-up ... | 07/22/2008 |
| 7397199 | Discharge lamp lighting device Output of a chopper circuit is converted to a rectangular wave by a push-pull circuit, and is provided to a step-up transformer. When a switch is turned on, the control voltage of the chopper circuit is relatively low, and a high output voltage is provided to the tr... | 07/08/2008 |
| 7397200 | Device for the control of fluorescent lamps in a lighting arrangement The invention relates to a device for the control of fluorescent lamps in a lighting arrangement that comprises at least one such fluorescent lamp, wherein for each fluorescent lamp the device has the following characteristics: a capacitive voltage divider consistin... | 07/08/2008 |
| 7391171 | Display apparatus and control method thereof A display apparatus is provided having an LCD panel and a backlight unit to illuminate the LCD panel, and further including a temperature sensor to sense the temperature of the backlight unit, an inverter to drive the backlight unit, a power supply to supply power t... | 06/24/2008 |
| 7391297 | Handheld programmer for lighting control system The invention regards a system and method for using a handheld programming device to configure a lighting control system wirelessly. In one embodiment, at least one device configured with a processing section is installed in the lighting control system. A communicat... | 06/24/2008 |
| 7379081 | Organic light emitting diode display An OLED display comprising a plurality of pixels, first, second, and third reference voltage generators; and a data driver, all formed on the same substrate is disclosed. Each pixel includes a subpixel of a first color, a subpixel of a second color, and a subpixel o... | 05/27/2008 |
| 7378806 | Output short circuit protection for electronic ballasts A continuous mode electronic ballast operates a lamp. A buck converter is configured to generate a direct current (DC) bus voltage at buck converter output. An inverter circuit is operationally coupled to the buck converter output, and configured to receive the DC v... | 05/27/2008 |
| 7379483 | Method and apparatus for material processing An apparatus processes a surface of an inhabitable structure. The apparatus includes a laser base unit which irradiates an interaction region with laser light, the laser light removing material from the structure. The laser base unit includes a laser generator and a... | 05/27/2008 |
| 7372215 | Lamp ballast for circuit driving multiple parallel lamps A lamp ballast circuit for driving, e.g. four flourescent lamps with a ballast control IC such as the IR2167 Ballast Control IC. The circuit includes a lamp replacement detection circuit for detecting insertion of a lamp, and in response, controlling the ballast con... | 05/13/2008 |
| 7372406 | Antenna apparatus including inverted-F antenna having variable resonance frequency An inverted-F antenna has at least two antenna conductive elements coupled in series via at least one switch. An antenna apparatus includes control means for controlling the at least one switch. ... | 05/13/2008 |
| 7368881 | Discharge lamp lighting apparatus and lamp system using the lighting apparatus In a discharge lamp lighting apparatus, a power supplied to a discharge lamp La through a DC-DC converter 1 and an inverter 2 is controlled depending on detection results of a lamp voltage detection unit 6 and a lamp current detection unit 7 | 05/06/2008 |
| 7368875 | Discharge lamp lighting device A through hole that is slightly larger than a size of a rear end of a transformer container is formed in a rear cover constituting a part of an external wall of a starting circuit unit. The transformer container houses therein a transformer and constitutes a transfo... | 05/06/2008 |
| 7368883 | Apparatus for end-of-life detection of fluorescent lamps In fluorescent lamp lighting, it is required that when the lamp reaches its end of life there has to be some mechanism to shut down the power supply to the lamp for safety. In the present invention, an apparatus is proposed to fulfill this requirement. This inventio... | 05/06/2008 |
| 7366000 | Half bridge inverter A half bridge inverter includes a push/pull control chip outputting a first control signal and a second control signal. Each duty cycle of the two control signals is smaller than 50%. Moreover, both a first buffer circuit and a second buffer circuit are coupled to t... | 04/29/2008 |
| 7365742 | Light emitting display and driving method thereof A light emitting display including data lines for applying data voltages corresponding to video signals, scan lines for transmitting select signals, and pixel circuits. Each pixel circuit includes a light emitting element for emitting light, and a transistor includi... | 04/29/2008 |
| 7365502 | Device for driving light sources A device for driving a light source (L11) including a first lamp (a1) and a second lamp (a2) includes two power supply circuits, two transformers (12, 12′), and two current balancing components (13, 13′). Each power... | 04/29/2008 |
| 7358687 | Method for driving backlight unit A method for driving backlight unit includes generating at least one pulse, after generating the at least one pulse, generating a driving signal having a constant state, supplying a predetermined capacitor voltage to a lamp assembly, wherein the predetermined capaci... | 04/15/2008 |
| 7358658 | Amorphous diamond materials and associated methods for the use and manufacture thereof An electroluminescence device having improved luminescence per volt input is provided. The device can include a first electrode, a second electrode, a diamond-like carbon layer electrically coupled to at least one of the first electrode or the second electrode, and ... | 04/15/2008 |
| 7352137 | Controlling color temperature of lighting fixture A method for controlling the color temperature of a lighting fixture, and a lighting fixture, whereby the lighting fixture is implemented using differently colored light emitting diodes. The method comprises steps of generating light by differently colored light emi... | 04/01/2008 |
| 7348945 | Electro-luminescent display panel and digital-analogy converter of the same A electro-luminescent (EL) display panel includes a substrate, a pixel and a Digital-Analogy Converter (DAC). The substrate includes a first area and a second area. A Thin Film Transistor (TFT) formed in the first area has a first channel doping concentration, and a... | 03/25/2008 |
| 7345434 | Discharge lamp lighting apparatus and luminaire A discharge lamp lighting apparatus, comprises a DC power supply, an inverter circuit, connected to the DC power supply, and provided with at least two switching devices, and a discharge lamp energized by the inverter circuit, wherein one switching device has an on-... | 03/18/2008 |
