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| Number | Title | Issue Date |
| 8183509 | Laser processing apparatus and laser processing method The present invention relates to a laser processing apparatus and the like having a structure for implementing at the same time both an efficient laser processing in the place where a laser beam is difficult to reach and a laser processing without damages in the pla... | 05/22/2012 |
| 8178826 | Control of semiconductor light emitting element A light source device including a semiconductor light emitting element and a control section for controlling the semiconductor light emitting element in accordance with an input value. The control section includes a supply section that supplies the semiconductor lig... | 05/15/2012 |
| 8134107 | Projection display apparatus having a correlation table that stores the correlation between an external condition and the value of power supplied to a light source A projection display apparatus of the present invention includes: a lamp power controller 13 changing the value of power supplied to super-high pressure mercury lamp 21; atmospheric pressure sensor 61 detecting the atmospheric pressure around wh... | 03/13/2012 |
| 8134106 | Current detection circuit A first transistor may be provided on a current path of a photo transistor. The bias current path may include a bias switch and a first bias resistor connected in series and is provided in parallel with a main current path including the phototransistor. A second tra... | 03/13/2012 |
| 8129669 | System and method generating multi-color light for image display having a controller for temporally interleaving the first and second time intervals of directed first and second light beams System including first and second light sources and controller. First light source is configured to generate first light beam of first perceived color. Second light source is configured to generate second light beam of different second perceived color. Controller is... | 03/06/2012 |
| 8101897 | Laboratory apparatus for simultaneously carrying out reactions in a plurality of samples The invention relates to a laboratory apparatus for simultaneously carrying out reactions in a plurality of samples which are arranged in an array. The apparatus includes an illumination device, which emits illumination light onto the samples, a detection device, wh... | 01/24/2012 |
| 8080773 | Method and apparatus of measuring backward light, and laser processing method The present invention relates to a method of measuring backward light, which is constructed for checking, prior to laser processing, backward light that propagates backward through an isolator included in a laser processing apparatus. The present invention also rela... | 12/20/2011 |
| 8076626 | Light amount control, optical writing, and image forming apparatuses having a plurality of drive-current setting units A light-amount control apparatus for controlling an output light amount of light sources used for optical writing is disclosed. The apparatus includes one or more drive units for supplying a drive current to the light source; one or more drive-current setting units ... | 12/13/2011 |
| 8053713 | Light source device and light amount correcting method to perform light amount corection corresponding to a change in a light source characteristic A light source device includes: a semiconductor light-emitting element that emits, according to an input value, light having first wavelength; a wavelength converting element that converts, with a nonlinear optical effect, the light having the first wavelength emitt... | 11/08/2011 |
| 8049151 | Digital type anti-glare device using touch and method of controlling the same Disclosed is a digital type anti-glare device capable of conveniently performing input, operation and adjustment, and a method of controlling the same. The digital type anti-glare device includes a touch sensor input unit recognizing a shade degree and a grind mode ... | 11/01/2011 |
| 8044334 | High-pressure discharge lamp light source device having a power supply device with a switching state for switching from a direct current drive in a standby state to an alternating current drive in an operating state and projector To stabilize the arc bright point position of a discharge lamp and suppress deformation of an electrode when an ultrahigh-pressure discharge lamp is operated with extremely low electric power, the lamp is operated by supplying power from a power supply device having... | 10/25/2011 |
| 8039779 | Electronic device According to one embodiment, an electronic device includes a housing, an operation area, at least one display, an input detector, a light source device, and a controller. The operation area is provided on an outer surface of the housing. The display is located in th... | 10/18/2011 |
| 8039778 | Laser processing apparatus and laser processing method The present invention relates to a laser processing apparatus and the like having a structure for implementing at the same time both an efficient laser processing in the place where a laser beam is difficult to reach and a laser processing without damages in the pla... | 10/18/2011 |
| 8022347 | Optical scanning device, image forming apparatus, and optical scanning method having a plurality of light intensity control devices with a switching unit A surface-emitting laser array includes a plurality of surface-emitting laser devices arranged in an array. An optical system includes a plurality of optical devices to guide a light beam composed of lights emitted from the surface-emitting laser array to a target s... | 09/20/2011 |
| 8022348 | Projection type display apparatus having a controlling unit for controlling a rotation rate of the fan of a cooling unit with reference to information regarding lighting state of light sources A projection type display apparatus includes a plurality of light sources 7a-7d, a display device unit 5, a light-combining unit 3 that combines output light from the plural light sources, a condensing unit 4 that pro... | 09/20/2011 |
| 8022346 | Automatic fault detection and laser shut-down method for a laser-generated windshield display The laser of a laser-generated windshield display is controlled to initially deflect the laser beam in the direction of a reflective target disposed outside a display region of the windshield, and a sensor disposed in a reflection path of the target is sampled to de... | 09/20/2011 |
| 8017896 | Vehicle accessory having a rear light receiving sensor for measuring illumination intensity inside the vehicle The present invention provides a vehicle accessory which reliably blocks the sunlight without any mechanical operation. The vehicle accessory includes: a light controlling sheet which is attached to the windshield of a vehicle, and of which light transmittance chang... | 09/13/2011 |
| 8013281 | Systems and methods for calibrating light output by light-emitting diodes A system and method for calibrating light output from an LED is provided. The system includes a support on which an LED is positioned, a photosensor to measure the light output from the LED, and means for calibrating and adjusting the light output of the LED. Calibr... | 09/06/2011 |
| 8008610 | Illumination light quantity setting method in image measuring instrument An image measuring instrument includes a camera that images a plurality of measured points based on a preset measuring procedure, and an illumination unit that irradiates the measured points. The image measuring instrument measures a dimension and a shape of a to-be... | 08/30/2011 |
| 7989747 | Projector having a controlled rechargeable cell and heat dissipation system of the projector for cool down after power off An exemplary projector includes a power supply circuit, a heat dissipation device, a rechargeable cell and a first switching circuit connected between the heat dissipation device and the rechargeable cell. The heat dissipation device is configured for dissipating he... | 08/02/2011 |
| 7943890 | Discharge lamp lighting device and image display device with switching frequency An output of a load voltage detector is read by an A/D converter, and a reference value Is and a switching frequency are decided by a microcomputer. In order that the decided switching frequency can be achieved, a SET signal is inputted from a switching frequency co... | 05/17/2011 |
| 7935916 | System and/or method for reading, measuring and/or controlling intensity of light emitted from an LED A system and/or a method reads, measures and/or controls intensity of light emitted from a light-emitting diode (LED). The system and/or the method have a light intensity detector adjacent to the LED for reading and/or measuring the intensity of light emitted from t... | 05/03/2011 |
| 7919742 | Projector having a light intensity control unit for controlling light intensity of projected light and control method of projector A projector includes: an operation unit which receives operation by a user; a projection unit which projects light corresponding to an image signal; and a light intensity control unit which controls light intensity of the light projected by the projection unit. The ... | 04/05/2011 |
| 7915570 | Smart camera with an integrated lighting controller A smart camera includes an integrated lighting current controller and can couple to one or more external light sources. The integrated lighting current controller can control and power the one or more external light sources using a current pulse. The one or more ext... | 03/29/2011 |
| 7910871 | Injection-locked laser, interferometer, exposure apparatus, and device manufacturing method An injection-locked laser is disclosed. The injection-locked laser comprises a seed laser, an oscillator into which a certain component of light output from the seed laser is injected as seed laser light, a frequency converter which shifts a frequency of the remaini... | 03/22/2011 |
| 7898646 | Using an interferometer as a high speed variable attenuator A system and method provides high speed variable attenuators. The attenuators can be used within a lithographic apparatus to control intensity of radiation in one or more correction pulses used to correct a dose of the radiation following an initial pulse of radiati... | 03/01/2011 |
| 7888623 | Illumination device and display device An illumination device includes: a light emitting element to be a light source; a light amount detecting means for detecting the amount of light emitted by the light emitting element; a light emitting element drive means for controlling drive current supplied to the... | 02/15/2011 |
| 7868280 | Illumination sensing apparatus, driving method thereof and display device having the illumination sensing apparatus Provided are an illumination sensing apparatus, a driving method thereof and a display device having the illumination sensing apparatus. The illumination sensing apparatus includes an illumination sensor unit configured to generate a sensing signal according to peri... | 01/11/2011 |
| 7851736 | Method and device for optimizing the image display on imaging apparatuses of a medical system during a medical procedure A method and a device for optimizing the image display on imaging apparatuses register whether an operator is looking at the imaging apparatus. The image display of the imaging apparatus is optimized, when it is registered that the operator is looking at the imaging... | 12/14/2010 |
| 7851737 | System and method for charging a control device from a lighting system A lighting system control device charging system and method including a control device charged from a light source in a lighting system, including control photovoltaic cell 28 responsive to control light 46 from the light source and generating control ... | 12/14/2010 |
| 7847229 | Object detecting system An object detecting system, which is installed in a vehicle, uses a camera comprising an optical lens, a distance measuring image chip, and an illumination device to detect information about an object occupying a vehicle seat. The illumination device is sectioned in... | 12/07/2010 |
| 7829831 | Control of output voltage provided to a flash unit A device includes a flash unit to generate light, and an optical sensor to receive the light from the flash unit, and generate a light intensity signal based on the received light. The device also includes a controller to generate a modified error signal based on th... | 11/09/2010 |
| 7825361 | Light sensor test unit of testing a light sensor that senses an external light, method of testing light sensor using the same and display apparatus In a light sensor test unit, a test circuit is built in a display panel and connected to an output node of a light sensor which senses an intensity of an external light. When external light having a predetermined intensity is provided to the light sensor, the test c... | 11/02/2010 |
| 7820954 | Device for generating a view of a three-dimensional object A device for reproducing three-dimensional data has a plurality of image points(7) that include a plurality of laser light sources(2), in front of which is arranged a lens(4). Since the laser light sources(2) of an image point(7) r... | 10/26/2010 |
| 7812297 | Integrated synchronized optical sampling and control element An optical sampling and control element for use with a luminaire exhibiting a cycle and a frame, the optical sampling and control element being constituted of a color sensor in optical communication with the luminaire; and a sampler connected to the outputs of the c... | 10/12/2010 |
| 7786420 | Light source device and method for modulating brightness of light emitted by same and liquid crystal display using same An exemplary light source device (10) includes a power supply (12), a light source (14), and a photodetector (16). The photodetector includes a light sensor (17) and a resistor (18) connected in parallel. The power supply, t... | 08/31/2010 |
| 7781713 | Method for calibrating a lighting control system that facilitates daylight harvesting One embodiment of the present invention provides a system for calibrating a lighting control system. The lighting control system is a daylight-harvesting system that controls the output of the lighting system based on available daylight and/or other light sources to... | 08/24/2010 |
| 7777166 | Solid state luminaires for general illumination including closed loop feedback control A lighting panel includes a tile having a first side parallel to a principal plane of the lighting panel, a plurality of solid state lighting devices arranged on the first side of the tile and configured to emit light, a reflector sheet on the first side of the tile... | 08/17/2010 |
| 7777167 | Radiation imaging apparatus and radiation imaging system having a light source with light for calibration of conversion elements A radiation imaging apparatus including: a plurality of conversion elements being arranged in one-dimensional or two-dimensional array on a substrate, and converting an incident radiation into an electric signal; and a light source for calibration emitting a light t... | 08/17/2010 |
| 7767948 | Optical integrating cavity lighting system using multiple LED light sources with a control circuit A system to provide radiant energy of selectable spectral characteristic (e.g. a selectable color combination) uses an integrating cavity to combine energy of different wavelengths from different sources. The cavity has a diffusely reflective interior surface and an... | 08/03/2010 |
