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23463 results about "Sunlight" patented technology

Sunlight is a portion of the electromagnetic radiation given off by the Sun, in particular infrared, visible, and ultraviolet light. On Earth, sunlight is filtered through Earth's atmosphere, and is obvious as daylight when the Sun is above the horizon. When the direct solar radiation is not blocked by clouds, it is experienced as sunshine, a combination of bright light and radiant heat. When it is blocked by clouds or reflects off other objects, it is experienced as diffused light. The World Meteorological Organization uses the term "sunshine duration" to mean the cumulative time during which an area receives direct irradiance from the Sun of at least 120 watts per square meter. Other sources indicate an "Average over the entire earth" of "164 Watts per square meter over a 24 hour day".

Navigation device presenting information regarding charging and vehicle including same device

An ECU executes a program including a step of detecting a present location using a GPS system (S1000); a step of reading out data of a geographical map proximate to the present location (S1010) and presenting in the geographical map charging installations including a charging installation employing solar light, together with the location of its vehicle (S1020); a step of, if a presentation switching request is made (YES in S1030) and a real-time solar radiation correction request is made (YES in S1050), detecting a solar radiation amount (S1060) and correcting a charge amount per unit time provided by the power generation installation employing solar light, based on the detected solar radiation amount (S1070); and a step of detecting an SOC in the battery to calculate an amount of discharge done until arrival at the charging installation (S1080, S1090), calculating time required for charging up to a fully charged state (S1100), and presenting the time required for charging in the geographical map (S1200).
Owner:TOYOTA JIDOSHA KK +1

Weather-responsive shade control system

An automatic daylighting method adjusts a window covering to block direct sunlight from entering the room through a window when the exterior sky condition is a sunny sky state and, subject to blocking direct sunlight, provides a desired daylighting interior light illuminance level and, if possible, a desired interior solar heat gain through the window. To prevent window covering oscillation, a delay may be used when the sky condition changes from a sunny to overcast state. The covering control may be based on various factors including interior light illuminance entering the window, a room heating or to cooling mode, whether the room is occupied by people, whether occupants have manually operated an adjustable window covering, and the exterior sky condition. The method may also detect an interior temperature level, e.g., to determine a heating or cooling mode of the room.
Owner:UNIVERSITY OF OREGON

Solar photovoltaic output for cloudy conditions with a solar tracking system

An array of solar powered photovoltaic modules is optimally oriented and operated to provide more electrical energy for uses such as powering an electrolyzer system for hydrogen production. The array is positioned with its light receiving surface at an optimal angle, preferably a continually changing angle determined by two-axis solar tracking, when continually measured solar irradiance indicates suitable sunlight, and at a horizontal position when measured solar irradiance indicates excessive atmospheric cloudiness.
Owner:GM GLOBAL TECH OPERATIONS LLC

Vehicle license plate imaging and reading system for day and night

ActiveUS7016518B2Avoid sensor overload headlightAvoid reflected glareOptical rangefindersRoad vehicles traffic controlLicense numberInfrared
This invention provides an infrared illuminator and camera system for imaging of auto vehicle license plates. The system works in ambient light conditions, ranging from bright sunlight, to dim light, to dark, to zero ambient light. It yields high-contrast imaging of the letters and numbers on retro-reflective license plates. The images of the license letter and number combinations can be read manually by a remote operator. They can be converted to text format with optical character recognition computer hardware and software. The text data can then be compared to data files listing license numbers to provide further data about the owner of a licensed vehicle. A decision can be made quickly about whether to allow a vehicle to proceed through a gate, or whether to take other action. The system uses a mono camera that is enhanced for infrared sensitivity and combined with a high power infrared illuminator to maximize range at night, and with shutter speeds set up to capture clear license plate pictures even with fast moving vehicles and even with their headlights on and interfering with human observation of the license plates. Optical filtering to pass infrared in the range of the illuminator and to reduce light outside this range, combines with a lens set up, to avoid vertical smear and sensor overload caused by headlights at night and by highlight reflected glare from the sun in daytime.
Owner:EXTREME CCTV

Terrestrial solar power system using III-V semiconductor solar cells

A system for generating electrical power from solar radiation utilizing a III-V compound multijunction semiconductor solar cell; a concentrator for focusing sunlight on the solar cell, including a concave trough-shaped reflector; and a heat spreader connected to the solar cell for cooling the cell.
Owner:EMCORE SOLAR POWER

Photocatalysis oxidation treated high concentration organic trade waste

The invention relates to a modified loading nano composite photocatalyst which takes titanium dioxide as main part and adopts new reaction technique to degraded the organic industrial wastewater in a water processing system (see attached drawing 1 in Instruction). The main point on preparing the catalyst lies in that titanium dioxide active compounds loaded on different carriers are employed to prepare a loading photocatalyst with grain diameter of 5-40nm; meanwhile, different elements are mixed into the loading photocatalyst to reduce the composition between photoproduciton electron and cavity, which enables the catalyst to move the light absorbing wavelength thereof towards the visible regions, thus effectively improving the degradation rate of organic pollutants as a new environmental-friendly catalyst. As to the new technique of processing the organic industrial wastewater, the invention overcomes the defects that the present photocatalysts are only used for degrading the organic industrial wastewater with low concentration. The catalyst being irradiated respectively or simultaneously under sunbeam and ultraviolet light can decrease COD values of high-concentration organic industrial wastewater from 10000-40000mg / L to less than 100mg / L in short time, thus meeting the national emission standard.
Owner:BEIJING UNIV OF CHEM TECH
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