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8158922 |
Method and apparatus for a light fixture having a security light and permanently mounted wall-washing LEDs
A light fixture (200) comprises a mounting fixture (501) that is configured and arranged to facilitate mounting the light fixture to a mounting surface other than ground along with at least a first...
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8143567 |
Ambient light control system
An occupancy sensor is provided with a separable override unit which can selectively override the operation of the occupancy sensor at designated times and for selected time intervals. The...
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8138463 |
Photosensor and ambient light sensor with constant bias voltage
A method of operating a photosensor comprising: applying a bias voltage to a photosensor (12) comprising n (n>1) photo-sensitive elements (8) connected in series, and determining the photocurrent...
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8115185 |
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...
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8106347 |
Vehicle rearview mirror system
A vehicular interior rearview mirror system includes an interior rearview mirror assembly, which includes an ambient light sensor operable to sense ambient light and a glare light sensor operable...
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8106345 |
Photo sensor and flat panel display using the same
A photo sensor in a flat panel display includes a first transistor having first, second, and gate electrodes respectively coupled to first, second, and third nodes; a second transistor having...
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8076628 |
Ambient light sensor with reduced sensitivity to noise from infrared sources
Systems and methods are provided for detecting ambient light with reduced sensitivity to infrared sources. An electronic device may include an infrared sensor, an ambient light sensor, a decoder,...
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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...
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8008613 |
Light sensing device having a color sensor and a clear sensor for infrared rejection
A light sensing device has a first filter to block visible light in a light path. The light sensing device also has a first color sensor and a clear sensor, to detect light in the light path after...
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8008611 |
Photo sensor and flat panel display using the same
A photo sensor capable of improved output used in a flat panel display (FPD). The photo sensor includes a first transistor coupled to a first power source, a first node, and a second node. A photo...
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8003930 |
Ambient light sensor
In an ambient light sensor according to the present invention, a current amplification portion which amplifies a light current obtained by a light receiving portion to generate an output signal...
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7968835 |
Electronic device having LED with variable brightness
Various embodiments of a light on an electronic device are disclosed. In one embodiment, the light couples to a sensor and has a brightness that varies when ambient light incident on the sensor...
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7960807 |
Ambient light detectors using conventional CMOS image sensor process
A CMOS light detector configured to detect specific wavelengths of light includes a first sensor and a second sensor. The first sensor includes CMOS photocells that are covered by a colored filter...
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7960682 |
Display device control based on integrated ambient light detection and lighting source characteristics
Systems and methods are provided for a display device including one or more methods for modifying the display brightness by automatically adapting to ambient lighting conditions.
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7936427 |
Optical sensor for detecting peripheral light and liquid crystal display device using the same
An optical sensor for detecting peripheral light including: at least two first transistors coupled in parallel between an output line and base power supply for detecting an intensity of peripheral...
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7936346 |
Liquid crystal display device implementing photodetector to control backlight
A liquid crystal display device 1 according to an embodiment of the present invention includes a liquid crystal display panel, a photodetector unit LS1 that is built into the liquid crystal display...
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7906756 |
Vehicle rearview mirror system
A vehicle rearview mirror system includes an electrochromic transflective reflective element, an ambient light sensor operable to sense ambient light, a glare light sensor operable to sense glare...
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7902491 |
Device for regulating the backlighting of an LC display
A device for controlling the luminosity of an illuminating device, in particular for LC-display units in household appliances, includes a sensor which is used to detect the presence of a user, and...
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7893932 |
Electronic circuit, electro-optical device, and electronic apparatus including the same
An electronic circuit, which has transistors disposed on a substrate, each transistor including an active layer made of thin-film polysilicon, includes a sensor that converts a measured quantity...
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7868882 |
Electronic circuit, electro-optical device, and electronic apparatus including the same
An electronic circuit, which has transistors disposed on a substrate, each transistor including an active layer made of thin-film polysilicon, includes a sensor that converts a measured quantity...
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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...
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7838811 |
Ambient light sensor
In an ambient light sensor according to the present invention, a current amplification portion which amplifies a light current obtained by a light receiving portion to generate an output signal...
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7830560 |
System and method for adaptive digital ramp current control
An adaptive digital ramp current control system comprises a digital current ramp controller configured to digitally ramp a current level supplied to at least one light emitting diode (LED)...
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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...
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7812954 |
Information processing apparatus and method of selecting type of ambient light therefor
An information processing apparatus includes a unit configured to acquire spectral data of ambient light to be estimated, a unit configured to receive spectral data and ambient light type...
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7800044 |
High ambient motion environment detection eliminate accidental activation of a device
A method and apparatus for determining when a device is placed in a high ambient motion environment (HAME). The method includes receiving sensor data, and based on the sensor data determining if...
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7800046 |
Light detection power system and method for same
The invention concerns a light detection power system (105). The system can include a solar cell charging circuit (120) having at least one solar cell (116) in which the solar cell charging circuit...
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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...
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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...
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7759626 |
Sensor device for generating ambient light information
A process circuit sets a plurality of light emitting elements in a state in which light is not emitted through a process circuit, and receives a signal S1 corresponding to received ambient light...
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7759627 |
Display device
A display device according to an embodiment of the invention includes a display panel, a drive circuit that drives the display panel, an illuminating unit that illuminates the display panel, a...
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7755022 |
System and method for attenuating the effect of ambient light on an optical sensor
The present invention provides systems and methods for attenuating the effect of ambient light on optical sensors and for measuring and compensating quantitatively for the ambient light.
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7755021 |
Non-toxic photo cells and photosensors including the same
Photo control devices include a housing having a light transmissive portion. A photosensor is positioned in the housing to receive light passing through the light transmissive portion of the...
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7750282 |
Dual purpose ambient light sensor
A dual purpose ambient light sensor. More particularly, an ambient light sensor may be provided on an electronic device to aid in controlling the brightness of the illuminators of the device. The...
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7745769 |
System for adjusting a light source by sensing ambient illumination
A method and system for adjusting a light source that is capable of displaying light of different colors receives inputs from various sources and provides an output color selection signal. The...
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7737394 |
Ambient infrared detection in solid state sensors
A solid state imaging device includes an array of active pixels and an infrared cut filter formed over the sensor. Optionally, a slot in the infrared cut filter allows infrared illumination to...
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7728276 |
Vehicle rearview mirror system
A vehicle rearview mirror system includes a transflective reflective element, an ambient light sensor that senses ambient light and a glare light sensor that senses glare light. A control circuit...
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7728316 |
Integrated proximity sensor and light sensor
Apparatuses and methods to sense proximity and to detect light. In one embodiment, an apparatus includes an emitter of electromagnetic radiation and a detector of electromagnetic radiation; the...
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7723673 |
Device for detecting ambient light and light in the area in front of a motor vehicle
An ambient light sensor system is provided for sensing ambient light and light in the area in front of a motor vehicle, wherein the ambient light sensor system includes a light guide element...
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7714265 |
Integrated proximity sensor and light sensor
Apparatuses and methods to sense proximity and to detect light. In one embodiment, an apparatus includes an emitter of electromagnetic radiation and a detector of electromagnetic radiation; the...
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7683301 |
Method for preventing incorrect lighting adjustment in a daylight harvesting system
One embodiment of the present invention provides a system for preventing incorrect lighting changes in a daylight-harvesting system, which controls the output of a lighting system based on the...
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7683309 |
Photosensor and method for fabricating the same
A photosensor includes a metal conductive layer, an interface dielectric layer, a silicon-rich dielectric layer and a transparent conductive layer. The interface dielectric layer is formed on the...
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7683305 |
Method and apparatus for ambient light detection
An imaging method and apparatus which use a pixel array for capturing images and for measuring ambient light conditions.
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7679043 |
Peripheral light sensor and liquid crystal display device using the same
Disclosed are a peripheral light sensor and a liquid crystal display device using the same. The device includes: a peripheral light sensor including: one or more transistors each coupled between an...
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7667170 |
Backlight unit and display device having the same
Provided are a backlight unit and a display device having the same. The display device according to an embodiment includes a display panel and a backlight unit for supplying light to the display...
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7638747 |
Vehicular auto light system
A vehicular auto light system is configured to calculate screen brightness on the basis of image data obtained from imaging means that images the outside of a vehicle, operate the imaging means and...
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7622701 |
Toolessly adjustable cupola and photocontrol receptacle assembly
Certain embodiments of the present invention provide a cupola and photocontrol receptacle assembly that allows a user to adjust the direction of the cupola base and the photocontrol receptacle...
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7619194 |
Electro-optical device, semiconductor device, display device, and electronic apparatus having the display device
An electro-optical device includes a panel formed so that an electro-optical material is held between a first substrate and a second substrate, a lighting unit that irradiates light to a surface of...
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7619366 |
System for and method of controlling a light source and lighting arrangement
The invention relates to a system for controlling a light source (208, 210, 212) within an area (200), the system comprising: location means conceived to detect a position of at least one person...
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7608807 |
Closed loop daylight harvesting light control system having auto-calibration
An apparatus and method for enabling an automatic calibration sequence for a light control system having a daylight harvesting scheme is disclosed herein. An ambient light sensor connects to a...
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