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44 results about "Dawn" patented technology

Dawn, from an Old English verb dagian: "to become day", is the time that marks the beginning of twilight before sunrise. It is recognized by the appearance of indirect sunlight being scattered in the atmosphere, when the centre of the Sun's disc reaches 18° below the horizon. This dawn twilight period will last until sunrise (when the Sun's upper limb breaks the horizon), as the diffused light becomes direct sunlight.

Nighttime-controlled lighting system

A time-controlled security lighting system records the length of nighttime and is capable of automatically adjusting for seasonal nighttime hours. The time duration between the initial nighttime darkness and the light of dawn, as sensed from the prior day by a photocell, is measured and recorded in memory. As the surrounding area becomes dark, the lighting system is activated to provide the illumination for the area. The duration of illumination is determined based on a predetermined fraction of the recorded length of nighttime from the previous night. The control system can adjust the duration of illumination according the recorded nighttime durations from the previous night. The control system can also adjust the level of illumination based on the signals from a motion detector, where the lights are set at a higher brightness for a predetermined amount of time upon detection of motion.
Owner:CORDELIA LIGHTING

Easy wake system and method

A user is aroused from sleep by applying a stimulus of light to simulate dawn. The device operates to monitor movements of a sleeping subject by the use of one or more motion sensors. The detected movements are used to identify the sleep cycle timings for the user. The user can then be aroused during a light phase of sleep by timing the dawn simulator to increase to sufficient brightness to arouse the user during a light stage of sleep that is proximate to a desired wake up time.
Owner:DP TECH

Solar central receiver system employing common positioning mechanism for heliostats

A solar central receiver system employing common positioning mechanism for heliostats relates to a system of concentrating and harvesting solar energy. The heliostats of said system are positioned like facets of a Fresnel type of reflector. The heliostats are placed in arrays, wherein each array has a common positioning mechanism. The common positioning mechanism synchronously maneuvers the arrays of heliostats in altitudinal and / or azimuthal axis for tracking an apparent movement of the sun. The common positioning mechanism is employed for synchronously orienting said heliostats with respect to a stationary object and the sun such that incident solar radiation upon said heliostats is focused upon said stationary object from dawn to dusk. Subsequent to each said orientation of said heliostats, collective disposition of said heliostats always forms an arrangement that is capable of reflecting and thereby focusing incident solar radiation upon said stationary object.
Owner:PATWARDHAN RAVINDRA +1

Apparatus and method of energy efficient illumination

An illumination system correlates solar time to a clock and controls lighting or illumination based on time. The illumination system may turn ON light source(s) at a first level at a turn ON time, correlated to be around or at dusk, and turn OFF light source(s) at a turn OFF time, correlated to be around or at dawn. The illumination system may reduce a level of light output, and hence power consumption, at a time after turning ON a light source, and increases the level of light output at a time prior to turning OFF the light source. Turn ON, turn OFF, decrease and increase times may be determined based on recent levels of light or illumination in the environment, for example via average or median levels over a number of previous daily cycles. Filtering may eliminate aberrant events.
Owner:EXPRESS IMAGING SYST

Competitive advantage rating method and apparatus

InactiveUS20080300960A1Improve product qualityEasily voiced and understoodMarket predictionsResourcesData miningDawn
This invention relates to a rating method and apparatus that quantifies competitive advantage based on measurements of how well companies are delivering on consumer desires when benchmarked against their industry peers. More specifically, the method measures the existence of one or more barriers to entry, referred to herein as barriers, which companies build in order to protect their superior financial performance from competitors. The ratings further quantify the company's strength of their performance on the individual attributes that define each barrier. To begin analyzing competitive advantage in an industry, the Competitive Advantage rating method and apparatus starts by examining a company's past financial records. Using standard factor analysis, three sources of competitive advantage exist: Supply Chain, Products and Delivery Chain. Each source has three barriers for a total of 9 barriers common to every industry. While the sources of advantage have been around for centuries, since the dawn of business, this method identifies the drivers behind consumer desires and company delivery for each barrier.
Owner:W RATINGS CORP

Laser waterfowl repellent

A device to repel and disperse waterfowl entering a proscribed area consists of a laser beam generator generating a laser beam, and a photoelectric switch is provided so that the inventive device is only activated from dusk to dawn. A motion sensor senses the presence of waterfowl and activates the light beam source that is aimed into the area. In the preferred embodiment, a timer is provided that may be set for a desired duration. When the desired duration has elapsed, the controller deactivates the light beam source. The light beam source may consist of a single laser beam or a multiplicity of laser beams shining into the protected area. In one preferred embodiment of the present invention, a single laser beam is split into a plurality or multiplicity of beams using a suitable beam splitter. The inventive device may be equipped with a system that enables one or more laser beams to sweep and oscillate through the protected area so that not only is full coverage of the area assured, but the elevation of the beams is at least, at some points in time, at the level of the eyes of the waterfowl so that the waterfowl can detect the presence of the laser beams and quickly flee the area.
Owner:SPIEGEL H JAY

Method for extracting area target of image based on fuzzytopology

ActiveCN101447079AImprove extraction qualityImprove object extraction accuracyImage analysisPattern recognitionDawn
The invention relates to a method for extracting an area target of an image based on fuzzytopology, which comprises the following steps: an original image is treated in advance; an optimal threshold value T is dawn into; an object to be extracted is defined as a fuzzytopology object; the optimal threshold T is used for inducing two threshold values T1 and T2; regional division is carried out on the object to be extracted; and finally, the object is extracted out. In the method, the two threshold values are dawn into by a fuzzytopology method for determining the interior, boundary and external of the object to be extracted, thus improving extracting quality to a certain degree; fuzzytopology connexity is carried out on boundary pixels so as to determine whether belong to the extracting range; a part duality mole (LBP) functor is dawn in in the analyzing process so as to increase judgment precision; in addition, the method for extracting the area target of the image based on fuzzytopology can significantly the extraction precision of the object, the boundary pixels of which is more difficult to be judged, thus obtaining better extraction results.
Owner:THE HONG KONG POLYTECHNIC UNIV

Dual-mode night lighting managing device with dynamic adjustment delay function

The invention provides a dual-mode night lighting managing device with a dynamic adjustment delay function. Functions of an ordinary lighting lamp and a moving sensing turning-on lamp are integrated, and the dynamic delay technology is used for switching the two functions. The dual-mode night lighting managing device comprises a power supply unit, a light sensing unit, a micro-control unit, a delay managing unit, a moving sensing control unit and a light emitting unit. At night, the light sensing unit automatically turns on a light source to turn on a fully-bright lighting mode. Under the condition that no trigger signals are input, the fully-bright mode continues until the dawn, and then the light sensing unit turns off the light source. At any time point of the night fully-bright mode, if a user sends out a trigger signal, the device responds through two steps, the first step is that the fully-bright mode of the light source is immediately switched to an energy saving mode, and the second step is that the input time point of the trigger signal is immediately stored in a storage, and a program that light source mode switching is repeatedly executed every 24 hours is started.
Owner:陈家德

Weather forecast contour map updating method and system

The invention belongs to the field of computers and provides a weather forecast contour map updating method and system. The method comprises the following steps that weather numerical forecast data are obtained, and contour lines are drawn according to the weather numerical forecast data; areas defined by the contour lines are filled with colors, and a contour map is generated; a contour map editing command input by a user is received, and the generated contour map is updated according to the contour map editing command. According to the weather forecast contour map updating method and system, the contour map dawn through the weather data generated through numerical weather forecast is updated and corrected, the deviation between the weather information generated according to the numerical weather forecast and actual weather information is lowered, and the generated weather information is made to be closer to the reality.
Owner:ZHEJIANG QIYUN SOFT

Earth gas light suppression method and system for synchronous band target optical observation satellite

The application relates to an earth gas light suppression method and system for a synchronous band target optical observation satellite. The system includes a satellite, an optical observation moduleand a baffle, wherein the orbit of the satellite selects a dawn-dusk sun-synchronous orbit, and maintains the attitude to be earth-oriented; the optical observation module is installed on the satellite and is perpendicular to the main axis of the satellite; and the baffle is installed on the optical observation module, and during the operation of the satellite, the baffle is arranged between the optical observation module and a ground plane, wherein the satellite is operated according to an attitude maneuver rule model to achieve the traversal observation of latitudes that need to be stared. By adopting the technical scheme of the application, the suppression of the earth gas light can be realized only through a simple structural design, and the operation is simple and the cost is saved.
Owner:SHANGHAI ENG CENT FOR MICROSATELLITES

Automatic rubber-tapping robot

The invention provides an automatic rubber-tapping robot. The automatic rubber-tapping robot comprises a tree-wrapping belt, a rubber-tapping mechanical arm, a lifting device and a controller, whereinthe lifting device is connected with the tree-wrapping belt; and the rubber-tapping mechanical arm is connected with the lifting device. When the automatic rubber-tapping robot is in use, an arc-shaped guide rail with a corresponding size is arranged on a rubber tree by utilizing the tree-wrapping belt according to the size of the rubber tree and the position of the to-be-tapped bark of the rubber tree, and an oblique rubber groove and a rubber guide groove are opened in the bark of the rubber tree; every day, the controller controls a cutter disk of a rubber-tapping cutter device to cut andflake along the oblique rubber groove of the bark and then reset, and a cleaning wheel of a rubber-sludge cleaning device moves with the rubber-tapping cutter device to clean rubber sludge on the oblique rubber groove and then reset; every day, rubber glue of the oblique rubber groove tapped by the cutter disk flows into a rubber receiving bag along the oblique rubber groove, and the controller controls the lifting device to reduce the position of the arc-shaped guide rail; the rubber-tapping mechanical arm is utilized for automatic rubber-tapping before dawn every day, and a worker collects the rubber glue in the rubber receiving bag after dawn every day; thus, the problem of large rubber-tapping labor intensity of the worker in the morning is solved, and rubber-tapping efficiency is improved.
Owner:东莞市皓奇企业管理服务有限公司

Using method for controlling rubber tapping robot through network

The invention provides a using method for controlling a rubber tapping robot through network. The rubber tapping robot controlled through network comprises a tree wrapping band, a rubber tapping manipulator, a lifting device, a controller and a network communication device, wherein the lifting device is connected with the tree wrapping band, and the rubber tapping manipulator is connected with thelifting device; during use, according to the size of each rubber tree and tree peel positions of the tree to be rubber-cut, arc grooves with corresponding sizes are mounted in the rubber trees by using the tree wrapping bands, and an initial rubber groove, an inclined rubber groove and a rubber guide groove are formed in the tree peel of each rubber tree; the network communication device and thecontroller are adopted to control the rubber tapping manipulator to automatically cut rubber of the rubber trees in a whole region according to the weather every day, and then workers collect rubber in rubber receiving bags. The problem of high labor intensity of the workers for tapping rubber before dawn is solved, and the rubber tapping efficiency is improved.
Owner:东莞市皓奇企业管理服务有限公司

Feed feeding device for mandarin fish domestication

The invention provides a feed feeding device for mandarin fish domestication. The feed feeding device comprises a floating body, a shading tent, a feeding machine, a water injection assembly, a collection filter screen, a base, a driving assembly and four framework assemblies. The shading tent, the water injection assembly and the feeding machine are designed on the floating body, after the shading tent covers the floating body, the light intensity at dawn or dusk can be simulated, the water injection assembly injects water into the operation opening to stimulate mandarin fish fries to snatch food, the feeding machine can throw feed into the operation opening, and therefore remote feeding can be achieved; and the automation of daily management of mandarin fish domestication is improved. Moreover, due to the design of the collecting filter screen, the base, the driving assembly and the framework assemblies, part of feed which is not eaten in the water can be collected, so that waste of the feed is effectively avoided, and the situation that the water is polluted due to the fact that the feed is soaked in the pond water for a long time is reduced.
Owner:SOUTHWEST UNIVERSITY

Photocontroller and/or lamp with photocontrols to control operation of lamp

ActiveUS11317497B2Prevent the luminaire from flickeringPhotometry using reference valueElectrical apparatusEngineeringDawn
A system to control solid state light sources, including a photosensor responsive primarily to wavelengths of light outside the emitted light band of wavelengths that the solid state light sources emit when the solid state light sources are in the ON state, and which produces a light level signal representative of a level of sensed light primarily for wavelengths outside of the emitted light band of wavelengths. A set of circuitry receives the light level signal representative of the sensed level of light from the photosensor, determines a contribution by the solid state light sources to the sensed level of light, and uses a compensated light level or a compensated threshold in assessing a dusk condition or a dawn condition when the solid state light sources are in the ON state to compensate for the contribution by the solid state light sources to the sensed level of light.
Owner:EXPRESS IMAGING SYST

Autonomous streetlight control

Applicant has disclosed a method for controlling on and off times for streetlights by synchronizing these intervals to recent local daylight conditions without any human intervention. The preferred method comprises: sensing, via a photocell, when dusk and dawn occurs; and then, timing or counting the dusk and dawn times per 24-hour cycle, recording that dusk and dawn data, calculating the average dusk-to-dawn interval for a plurality of preceding 24-hour cycles; predicting, the next dusk time; and turning on the streetlight for a preselected percentage of the calculated average dusk-to-dawn interval. Future “on” time periods are repeatedly calculated as a percentage of the dark periods determined on one or several immediately prior nights, and so varies with the seasons. Unlike the prior art, Applicant's streetlight control does not require field programming or field inputs from the installer or time knowledge. It also does not require any external or internal precision clock or calendar.
Owner:GRADY JOHN K

Image processing device, imaging device, image processing method, and image processing program

ActiveUS20180040108A1Good point image restorationImprove accuracyImage enhancementTelevision system detailsImaging processingTwilight
In a case where IR data of a near-infrared light image is data in which a visible light component and a near-infrared light component coexist, a point image restoration process is performed on the IR data using a first point image restoration filter based on a first point spread function for visible light of the optical system and a second point image restoration filter based on a second point spread function for near-infrared light of the optical system. An appropriate point image restoration process is performed on the IR data that is captured in a time zone of twilight or dawn by performing weighted averaging on a point image restoration process using the first point image restoration filter and a point image restoration process using the second point image restoration filter using a first gain α and a second gain β according to a light amount ratio between visible light and near-infrared light at the time of capturing the IR data.
Owner:FUJIFILM CORP

On-orbit management method for lithium-ion battery packs suitable for sun-synchronous morning and evening orbit satellites

The invention discloses an on-orbit management method suitable for a sun-synchronous morning and evening orbit satellite lithium-ion storage battery pack. The on-orbit management of the lithium-ion storage battery pack is determined according to the orbit calculation independently completed by the on-board computer, satellite three-axis attitude measurement, and sun azimuth judgment. mode, the on-orbit management mode includes the long-light period management mode, the earth shadow period management mode and the emergency state management mode, corresponding to the lithium-ion battery pack management strategies in the three on-orbit states of sun-synchronous morning and evening orbit satellites. The system of the invention solves the on-orbit self-management problem of the lithium-ion battery under complex working conditions such as long-term shelving of the lithium-ion battery pack during the long-light period of the sun-synchronous morning and evening orbit satellite, frequent charging and discharging of the battery pack during the shadow period, and deep discharge and rapid charging in an emergency state. Thus, the long-life, independent and reliable on-orbit operation of the sun-synchronous morning and evening orbit satellite power supply system is ensured.
Owner:SHANGHAI SATELLITE ENG INST

Apparatus and method to mitigate trauma via color palette transitions in a virtual sky projected in a digital space with a collection of gaze points experiencing cyclical size changes

A method includes projecting a dark virtual sky in a digital space. The dark virtual sky is transitioned to a dawn virtual sky in the digital space. The dawn virtual sky is altered to introduce a daytime virtual sky in the digital space. The daytime virtual sky is modified to produce a dusk virtual sky in the digital space. These operations are performed via color palette transitions in the virtual sky in the digital space in a time period of less than six minutes. The color palette transitions are in proportional time segments of a twenty-four hour day punctuated by periods of light and darkness of variable length corresponding to the revolution of the earth around the sun. A collection of gaze points is formed in the digital space. Each gaze point in the collection experiences cyclic changes between a minimum position and a maximum position during a gaze point size change cycle. Initially, each gaze point in the collection experiences different changes between the minimum position and the maximum position during initial gaze point size change cycles thereby forming a gaze point out-of-phase period. Subsequently, selected gaze points in the collection experience common changes between the minimum position and the maximum position during intermediate gaze point size change cycles thereby forming a gaze point hybrid phase period. Finally, all gaze points in the collection share common changes between the minimum position and the maximum position during final gaze point size change cycles thereby forming a gaze point in-phase period that lasts at least one half the time period of less than six minutes.
Owner:SYNAPCIS INC

An evaluation method and calculation equipment for photovoltaic accommodation capacity

The invention discloses an evaluation method of photovoltaic accommodation capacity, comprising: establishing a photovoltaic accommodation capacity optimization model, the photovoltaic accommodation capacity optimization model includes a first objective function for realizing the minimum light rejection rate and a second objective function for realizing the maximum photovoltaic investment income Objective function; construct corresponding optimization constraints for the optimization model of photovoltaic consumption capacity, and solve the optimization model of photovoltaic consumption capacity through optimization constraints to optimize photovoltaic consumption capacity; construct evaluation index system of photovoltaic consumption capacity, evaluation index system Including one or more evaluation indicators; select one or more evaluation indicators for weight calculation from the evaluation indicator system, and determine the comprehensive weight of each selected evaluation indicator according to the objective weighting method; combine the selected evaluation indicators The comprehensive weight of the index is used to evaluate and analyze the optimized photovoltaic consumption capacity.
Owner:NARI TECH CO LTD +5

Park street lamp with self-cleaning function and using method thereof

The invention discloses a park street lamp with a self-cleaning function and a using method thereof. The park street lamp with the self-cleaning function comprises a box body, a storage cavity with an upward opening is formed in the box body, a lighting lamp used for lighting is arranged in the storage cavity in an up-down sliding mode, the lighting lamp can be stored in the storage cavity, a rain cover is fixedly arranged on the top of the lighting lamp, the top of the rain cover is fixedly provided with a signal lamp used for indicating the flow condition in rainy days, the left side and the right side of the containing cavity are each provided with a water leakage opening, and the water leakage openings are in a funnel shape. The lighting lamp can be lifted at dusk and retracted into the containing cavity at dawn, and the lighting lamp can be automatically cleaned while being retracted, The transparency of the lighting lamp is guaranteed, and when the rainwater is heavy, the flashing of the signal lamp can remind pedestrians that the water at the water leakage opening is deep.
Owner:牟国友

Dusk to Dawn Extension Cord Device

The present invention relates to a multipurpose extension cord device that provides electrical power to electrically connected devices as a function of the level of environmental lighting. The device receives power from an external electric supply, and has one or more grounded outlets. At least one light sensor provides detected light levels to a microprocessor which compares the detected light levels with threshold light values stored in memory. Based on a comparison of detected light levels and threshold light values, the microprocessor signals a electric power cut-off module to enable or disable electric power to the outlets; thus automatically activating or deactivating the electrically connected devices based on changes in environmental light levels.
Owner:YOUNG FREDRICK

Intelligent Dusk Detection for Automatic Light Controller

An improved luminaire configured to detect dawn and dusk and to turn on, dim and / or turn off in response to the ambient light level. The luminaire is configured to delay turning on, dimming, and / or turning off such that light emitted by the luminaire can be utilized by neighboring luminaires in calculating the ambient light level in determining if dawn, dusk, or other low light condition has begun or is ending. The luminaires further utilize a timer for measuring the ambient light so as to avoid momentary or brief ambient light changes caused by, for example, weather conditions or temporarily reflected light such as by a vehicle positioned proximate to on or more of the luminaires
Owner:OPEN PLATFORM SYST LLC

Apparatus and method for resetting circadian rhythms via color palette transitions in a virtual sky projected in a digital space

A method includes projecting a dark virtual sky in a digital space. The dark virtual sky is transitioned to a dawn virtual sky in the digital space. The dawn virtual sky is altered to introduce a daytime virtual sky in the digital space. The daytime virtual sky is modified to produce a dusk virtual sky in the digital space. All of the virtual sky transitions are performed in a time period of less than six minutes.
Owner:SYNAPCIS INC

Apparatus and method to mitigate trauma via color palette transitions in a virtual sky projected in a digital space with a collection of gaze points experiencing cyclical size changes

A method includes projecting a dark virtual sky in a digital space. The dark virtual sky is transitioned to a dawn virtual sky in the digital space. The dawn virtual sky is altered to introduce a daytime virtual sky in the digital space. The daytime virtual sky is modified to produce a dusk virtual sky in the digital space. These operations are performed via color palette transitions in the virtual sky in the digital space in a time period of less than six minutes. The color palette transitions are in proportional time segments of a twenty-four hour day punctuated by periods of light and darkness of variable length corresponding to the revolution of the earth around the sun. A collection of gaze points is formed in the digital space. Each gaze point in the collection experiences cyclic changes between a minimum position and a maximum position during a gaze point size change cycle. Initially, each gaze point in the collection experiences different changes between the minimum position and the maximum position during initial gaze point size change cycles thereby forming a gaze point out-of-phase period. Subsequently, selected gaze points in the collection experience common changes between the minimum position and the maximum position during intermediate gaze point size change cycles thereby forming a gaze point hybrid phase period. Finally, all gaze points in the collection share common changes between the minimum position and the maximum position during final gaze point size change cycles thereby forming a gaze point in-phase period that lasts at least one half the time period of less than six minutes.
Owner:SYNAPCIS INC

Image processing device, imaging device, image processing method, and image processing program

In a case where IR data of a near-infrared light image is data in which a visible light component and a near-infrared light component coexist, a point image restoration process is performed on the IR data using a first point image restoration filter based on a first point spread function for visible light of the optical system and a second point image restoration filter based on a second point spread function for near-infrared light of the optical system. An appropriate point image restoration process is performed on the IR data that is captured in a time zone of twilight or dawn by performing weighted averaging on a point image restoration process using the first point image restoration filter and a point image restoration process using the second point image restoration filter using a first gain α and a second gain β according to a light amount ratio between visible light and near-infrared light at the time of capturing the IR data.
Owner:FUJIFILM CORP

A method and system for updating a weather forecast contour map

The invention belongs to the field of computers and provides a weather forecast contour map updating method and system. The method comprises the following steps that weather numerical forecast data are obtained, and contour lines are drawn according to the weather numerical forecast data; areas defined by the contour lines are filled with colors, and a contour map is generated; a contour map editing command input by a user is received, and the generated contour map is updated according to the contour map editing command. According to the weather forecast contour map updating method and system, the contour map dawn through the weather data generated through numerical weather forecast is updated and corrected, the deviation between the weather information generated according to the numerical weather forecast and actual weather information is lowered, and the generated weather information is made to be closer to the reality.
Owner:ZHEJIANG QIYUN SOFT

Multi-agent cooperative control method for energy transmission of space solar power plant

The invention provides a multi-agent cooperative control method for energy transmission of a space solar power station, and relates to the technical field of multi-spacecraft cooperative control. The space solar power station in the morning and evening sun-synchronous orbit collects and converts the solar energy, and transmits it to the nearest space solar power station in the geostationary orbit through the beam centralized control launcher, and then transmits the energy to the geostationary orbit through attitude cooperative control A space solar power station with an energy collection and conversion device and a beam centralized control transmitter on the ground, and then transmits to the ground receiving station through the beam centralized control transmitter, and the ground converts the wave signal into an electrical signal to realize the utilization of electric energy. The present invention realizes the multi-stage conversion of energy transmission through the posture cooperative control between space solar power stations, transmits solar energy to the ground, effectively solves the energy problem, has high energy utilization rate, good safety, and is expected to completely solve the energy problem. advantages of the crisis.
Owner:SHENYANG AEROSPACE UNIVERSITY

Intelligent skylight adaptive system

The invention belongs to the technical field of light energy-saving and relates to an intelligent skylight adaptive system. The intelligent skylight adaptive system comprises a power supply module, a storage module, a software control module, a photosensitive module, a perpetual calendar module, a display module, an input module and an output module which are installed in a controller box body. The skylight adaptive technology is formed through the perpetual calendar technology and the photosensitive control technology in the intelligent skylight adaptive system, the intelligent skylight adaptive system is adaptive to dawn and dark, the time of turning on / off the lamp is automatically changed every day, and meanwhile, the daily light and the festival light are automatically controlled forthe landscape lamp, therefore, the problem of waste of street lamps and the landscape lamps is well solved, the cost is low, and the reliability is high.
Owner:武汉华中天工制造有限公司
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