90results about "Light control" patented technology

An optomechanical system (24) for projection lithography has an object holder (7a) with an object displacement drive (7b) for moving an object (7) to be illuminated through an object field (6a) along an object displacement direction (y). An illumination optic (5) of the optomechanical system (24) has at least one micromirror array (19) for guiding illumination light (4) from a light source (3) to the object field (6a). At least a subset of tiltable micromirrors (20) of the micromirror array (19) can be switched between an illumination tilt position and an attenuation tilt position by means of a control device (23a), in which the illumination light (4) is directed towards a light trap (25) of the optomechanical system (24). By means of the optomechanical system (24) an actual illumination dose is specified with which an object structure is illuminated during a projection exposure process.The result is an optomechanical system with which an actual illumination dose can be flexibly and, in particular, with high dynamics specified during the projection exposure process.

A control device (100) for controlling a number N, with N ≥ 1, of actuators (200) for actuating N optical elements (310) of an optical system (300), comprising a control node (K2) coupling to the actuator (200) for providing a control voltage (V2) for the actuator (200), and an amplifier (110) configured to receive a supply voltage (V1) provided at an input node (K1) and to provide an output voltage (V3) at an output node (K3), wherein the amplifier (110) comprises a plurality M, with M ≥ 2, of current sources (111, 112) comprising at least one controlled current source (112) and a holding capacitor (113) for maintaining the level of the provided output voltage (V3), wherein the controlled current source (112) comprises a transistor (114), whose gate terminal can be controlled by an adjustable first control signal (S1),and has an adjustable resistor (115) coupled to the transistor (114).

Lighting device (10) for a passenger transport vehicle, wherein the lighting device comprises: a lighting unit (13) designed to illuminate a projection area (31) differently with a light cone (130) based on a plurality of different lighting patterns; where the lighting patterns are pixel-based image data; an interface (12) to an external system for receiving and sending lighting data; and a control unit (11) designed to control the lighting unit with respect to the different lighting patterns based on the received lighting data; characterized by the fact that the lighting unit (13) is designed to generate multiple light cones in a coverage area of ​​the lighting unit depending on the pixel-based image data, so that a light cone results in a delimited lighting area within the coverage area and only the resulting lighting area is illuminated.

Light-emitting device comprising: a substrate; a first light-emitting element that emits a first light and is mounted on the substrate; a second light-emitting element that emits a second light and is mounted at a position on the substrate where the second light-emitting element can receive the first light, wherein the second light has an emission peak wavelength that is longer than an emission peak wavelength of the first light; and a control and / or regulating device that separately controls and / or regulates the first light-emitting element and the second light-emitting element, wherein the control and / or regulating device controls and / or regulates a current to be supplied to the second light-emitting element on the basis of an electromotive force generated by the second light-emitting element, which receives the first light, the control and / or regulating device includes: a measuring device that measures a voltage value of the electromotive force generated by the second light-emitting element; a memory that stores a relationship between the voltage value of the electromotive force and a current value of the second light-emitting element; a determining device that determines the current value corresponding to the voltage value measured by the measuring device, based on the voltage value and the relationship stored in the memory; and an adjusting device that adjusts the current to be supplied to the second light-emitting element so that the current has the current value determined by the determining device.

The invention belongs to the technical field of facility horticulture postharvest treatment, and particularly relates to a tomato postharvest quality regulation and control light supplementing system based on white light-metabolism key enzyme coupling activation and an application method thereof, and the tomato postharvest quality regulation and control light supplementing system comprises an enzyme activity targeting white light module, an enzyme activity feedback module and a fruit bearing regulation and control module. According to the postharvest tomato quality regulation and control light supplementing system based on white light-metabolic key enzyme coupling activation, a white light spectrum segmentation-key enzyme activity dynamic matching coupling mechanism is innovatively designed by combining the regulation and control rule of white light on the activity of key enzymes such as carotenoid synthetase and phenylpropane metabolic enzyme of tomato fruits; through an adjustable broad-spectrum white light source and an enzyme activity feedback module, directional accumulation of beneficial metabolites such as carotenoids and flavonoid compounds and efficient degradation of alkaloids are realized.

This invention discloses a detection method, system, and medium based on line spectral confocalization. The method includes: determining the number of peaks; if the number of peaks is one, adjusting the light intensity value corresponding to the peak wavelength to be within the light intensity working range; if the number of peaks is not less than two, extracting the light intensity value corresponding to the peak wavelength, analyzing the peak morphology, and identifying the peak wavelength associated with each reflection region; analyzing the offset of the height of the specular reflection region, correcting the detection height of the specular reflection region to obtain the height difference between the reflection regions covered within the width of the line spot at any position on the scanning line; and adjusting the distance of the sensor relative to the surface of the object under test according to the height difference, so that there is one and only one valid peak in the spectral image at any position on the scanning line. This invention can accurately calculate the height difference between the specular reflection region and the diffuse reflection region covered within the width of the line spot, improving the signal-to-noise ratio of the spectral image and expanding the application scenarios.

The invention discloses a bottom mud resuspension dimming method for water source algae control, and relates to the technical field of blue-green algae prevention and control, the method comprises the following steps: establishing an experiment system comprising a plurality of groups of independent water body simulation devices, each group of device being provided with a bivariate combination of bottom mud concentration and resuspension frequency; constructing a parameterized extinction model related to the sediment concentration and the sedimentation time based on the real-time illumination data of the vertical layered optical monitoring network; the turbidity of the water body is monitored in real time, when the turbidity exceeds a critical value, a dynamic compensation coefficient is generated, and a theoretical daily light receiving quantity threshold value is increased according to a direct proportion relation; traversing all double-variable combinations, and screening variable combinations which simultaneously meet the condition that the actual daily light receiving quantity is not greater than the theoretical threshold value subjected to turbidity correction and the product of the total bottom mud adding quantity and the mechanical energy consumption is minimized. According to the scheme, the parameter adaptability under the complex hydrological condition is remarkably improved, the theoretical optimal cost boundary is approached, and the algae control interruption risk is reduced.

The invention discloses an indoor landscape environment control method, and belongs to the technical field of image processing, and the method comprises the steps: collecting an indoor landscape image, extracting a G channel feature value according to RGB channel value distribution, constructing a green distribution diagram, and carrying out the partitioning of the image, thereby reducing the data size of model processing, facilitating the region classification, and improving the efficiency. According to the method, a vegetation area is found, the density degree of landscape vegetation is calculated, and the landscape illumination is accurately controlled by combining the area of the vegetation area, so that the method for accurately controlling the landscape light intensity according to the density degree of the landscape vegetation and the area of the vegetation area is realized.

A method of configuring a color to be displayed by a lighting device includes: in response to determining that a target color disc mode of a plurality of preset color disc modes is set by a user, obtaining one or more initial color points according to a preset color point selection strategy for the target color disc mode; generating a color disc based on the one or more initial color points, wherein the color disc comprises a plurality of color points, and each of the plurality of color points corresponds to a color; and performing color configuring on the lighting device by using the plurality of color points included in the color disc.

An optical power supply includes a plurality of lasers in a laser array. Each of the plurality of lasers is configured to generate a separate beam of continuous wave laser light. The optical power supply includes a temperature sensor that acquires a temperature associated with the laser array. The optical power supply includes a digital controller that receives notification of the temperature from the temperature senor. The optical power supply includes an optical power adjuster controlled by the digital controller. The optical power adjuster adjusts an optical power level of one or more beams of continuous wave laser light generated by the plurality of lasers to produce an optical power encoding that conveys information about the temperature associated with the laser array as acquired by the temperature sensor. An electro-optic chip receives the beams of continuous wave laser light from the optical power supply and decodes the optical power encoding.

Method for carrying out coupled operation of a smart home device (6) located at a location (1) and a motor vehicle (11), wherein a communication connection (19) is established between the smart home device (6) and the motor vehicle (11) by means of a communication device (17) of the smart home device (6) and a communication device (18) of the motor vehicle (11), wherein generated signals directed towards carrying out the coupled operation are transmitted via the communication connection (19) from the smart home device (6) to the motor vehicle (11) and / or vice versa, wherein lighting of the location (1) is realized within the framework of the coupled operation.

The present invention relates to a street lighting control arrangement (100) comprising a digital key device (110) assigned to a vehicle (120), at least one anchor (130) arranged on a road (250) and configured to establish a communication link with the digital key device (110) and to determine the position of the vehicle (120), at least one street lighting device (140) arranged on a road segment of the road (250), and a control device (150) configured to determine a trajectory (160) of the vehicle (120) based on the position determined by the anchor (130) and to activate and / or deactivate the lighting of road segments along the pre-calculated trajectory (160) of the vehicle (120) by means of the street lighting device (140). The present invention further relates to a street lighting control method.

Light source for illuminating at least one kitchen module, wherein the light source has a ribbon-like structure, wherein the light source comprises at least two segments, wherein the segments can be controlled individually and / or in combination with respect to a luminous intensity and / or a luminous color and / or a temporal luminous gradient and / or a spatial luminous gradient.

A control system for automatedly determining an illumination intensity of at least one light source of a fluorescence microscope is provided. The control system is configured to automatedly determine, after a change in a light path, a control value for the illumination intensity of the at least one light source in order to achieve a desired value of an inspection parameter characterizing sample inspection. The light path comprises at least one of: an illumination path from the at least one light source to the sample and an imaging path from the sample to at least one detector. Determining the control value is based on: (i) a value of the illumination intensity that was set before the change in the light path, (ii) a value of the inspection parameter used before the change in the light path, and (iii) a physical model of the light path.

The invention relates to a method for changing at least one lighting state by means of a voice command (2), comprising the steps of receiving and inputting the voice command (2) into a language model (3), interpreting and decomposing the voice command (2) into at least one subtask (4), obtaining at least one lighting feature (6), at least one lighting object (7), and at least one setting option (8) of the lighting feature (6), determining at least one lighting object (7) and at least one lighting feature (6) of the determined lighting object (7) by means of inference with a trained machine learning model (5) with input of the lighting feature (6), the setting option (8), and the subtask (4), and creating a sequence plan (10) by means of inference with the trained machine learning model (5) with input of the determined lighting object (7).of the specific lighting feature (6) and / or the setting option (8) and of changing the lighting state according to the sequence plan (10). Furthermore, the invention relates to a computer system (20) configured to execute the method, and to a computer program product comprising software code sections designed such that the method can be executed by at least one processor.

A device for generating a composite image of a sample includes an illumination unit configured to generate illumination light for illuminating the sample, and an image capture unit configured to generate a first individual image of the sample and a second individual image of the sample. The first individual image corresponds to a first sample region. The second individual image corresponds to a second sample region that is different from the first sample region and overlaps with the first sample region in an overlap region. The device further includes a control unit configured to control the illumination unit in such a way that, when generating each of the first individual image and the second individual image, at least the overlap region is illuminated with a lower intensity of the illumination light than a remaining portion of the first sample region and a remaining portion of the second sample region.

One example includes an atomic optical reference system. The system includes an optical system comprising a laser configured to generate an optical beam. The system also includes a vapor cell comprising alkali metal atoms that are stimulated in response to a modulated beam corresponding to an amplitude-modulated version of the optical beam. The system also includes a detection system configured to monitor at least one detection signal corresponding to light emitted from or absorbed by the vapor cell and to generate at least one feedback signal in response to the at least one detection signal. The system further includes a beam modulator configured to amplitude-modulate the optical beam to generate the modulated beam and to frequency shift the optical beam to generate an output beam having a stable frequency in response to the at least one feedback signal.

According to an embodiment of the present invention, a live performance control method for multiple light-emitting devices is executed by at least one processor of a central control terminal, comprising the following steps: acquiring a first control signal including a dataset containing one or more light-emitting mode information defined by transmitter identification information; generating one or more light-emitting state information by combining the light-emitting mode components included in the light-emitting mode information; sending the first control signal including the generated light-emitting state information to multiple light-emitting devices via a first communication method; and controlling the multiple light-emitting devices, which receive a second control signal sent from one or more transmitters based on a second communication method, to emit light according to the sent light-emitting state information.

The invention relates to a lighting device (1) for emitting light in a predetermined direction of emission, comprising several light sources (2) which have different emission characteristics in the predetermined emission direction, a rangefinder (3) designed to detect the distance between the lighting device (1) and an object (4) located in the predetermined direction of emission, and A control unit (5) is configured to automatically activate a light source (2) or a combination of light sources (2) based on the detected distance. In this way, a lighting device (1) is provided that enables a demand-based and user-independent selection of suitable light characteristics, thereby ensuring improved visibility, increased ease of use, and more efficient energy consumption.

Method for operating a luminaire (10) by means of gesture control without contact, which is equipped with - a luminaire (10) comprising at least one light source (14) which emits a beam of light (26) along an optical light emission axis (28), - a sensor arrangement (18) for detecting (i) a movement of an object (20) into and / or out of the light beam (26) and / or within the light beam (26) and (ii) a standstill of an object (20) in the light beam (26), wherein the object (20) is in particular a hand, and - an evaluation and control unit (22) which receives signals from the sensor arrangement (18) representing a movement of the object (20) as well as a standstill of the object (20) and evaluates these to detect a movement or standstill of the object (20) and which controls the at least one light source, - wherein the luminaire, when switched on, is switchable into at least one setting mode for setting or changing at least one photometric operating parameter of the luminaire (10), such as the brightness of the light, the color of the light, the color saturation of the light, the degree of spread of the light beam and / or the orientation of the light beam (26) in space, wherein the method - by moving the object (20) into and / or out of the light beam (26) and / or through the light beam (26) switching between an off state and an on state of the luminaire (10), - by the object (20) coming to a standstill within the light beam (26) while the light (10) is switched on, the light (10) is switched from deactivation of at least one setting mode or of one of several setting modes to its activation, - wherein the activation and / or deactivation of the at least one setting mode or one of the several setting modes is visually indicated by the evaluation and control unit (22) controlling the at least one light source (14) to intermittently change at least one photometric operating parameter of the luminaire (10) that can be set or adjusted in the activated setting mode, such as brightness flickering, in particular reversible color change, in particular reversible color saturation change, in particular reversible widening or narrowing of the light beam or reversible swiveling of the light beam (26), and - by moving the object (20) after it has come to a standstill, the lighting operating parameter(s) that can be set and / or changed in the activated setting mode is set or changed.

Lighting fixtures, including: an array of light-emitting diodes (“LED”) light sources, wherein each LED light source defines a color channel of the illuminator, a driver circuit that drives the array of LED light sources; a lens; a motor with a motor shaft the motor shaft is connected to the motor and the lens, and wherein the motor shaft rotates to reposition the lens arrangement such that one rotational position of the motor shaft corresponds to one position of the lens relative to the light sources, and a controller comprising a non-volatile, computer-readable medium and a processing unit, wherein the controller has computer-executable instructions stored in the non-volatile, computer-readable medium for controlling the operation of the lighting device in order to: to receive an initial output color spectrum for the array of LED light sources that corresponds to a color output spectrum of the illuminator, to perform an optical modification of the output color spectrum of the lighting device, to determine a compensation value based on the optical modification in order to modify the first output color spectrum into a second output color spectrum that compensates for the changes to the output color spectrum of the illuminator resulting from the optical modification, based on the compensation value, to generate a first control signal to drive the array of LED light sources with the second output color spectrum, and to control the driver circuit using the first control signal.

Advertising banner (1), in particular for the presentation of banner advertising at winter sports events, with a housing (10) in which at least one light source (21) is arranged for backlighting at least one at least partially translucent advertising surface (20, 51, 52, 53), wherein: - the advertising banner (1) has at least one control unit (30) for adjusting the radiant power emitted by the light source (21) in order to adjust the brightness of the backlit advertising area (51, 52, 53), and - the control unit (30) is connected to at least one sensor for determining the ambient brightness in the space surrounding the advertising banner, in order to determine the ambient brightness by means of the sensor and to adjust the brightness of the advertising area (20) to a value dependent on the ambient brightness by adjusting the radiant power of the light source (21), - the control unit (30) is connected to a brightness sensor (31) for measuring the actual value of the brightness of the partially translucent advertising surface (20) and regulates the actual value to a target value dependent on the ambient brightness by adjusting the radiant power of the light source (21), characterized in that - the control (30) captures at least one image showing the advertising banner, - the advertising banner (1) has at least one infrared light source marking the advertising area (20) and that - the control (30) determines an image section that at least partially depicts the advertising area based on the infrared marking and determines the brightness of the advertising area (20, 51, 52, 53) based on the brightness values ​​of the image section.

The application discloses a multi-source data-based intelligent glass remote control management system and method for lighting, and relates to the technical field of edge computing.The application accurately divides the independent coverage area and the common coverage area of adjacent intelligent glass by analyzing the natural light propagation characteristics, establishes a coordinate mapping system, solves the problem of fuzzy coverage area definition, and provides reliable data basis and spatial positioning basis for collaborative regulation.Based on the dynamic distribution and adjustment weight of the migration proportion of the common coverage area, the migration proportion angle mapping table is constructed relying on historical high-quality data, the traditional single glass independent adjustment mode is abandoned, and the regulation parameter standardization is realized.Through natural light parameter prediction and deviation correction stack closed-loop correction, the adjustment deviation is effectively corrected, the adjacent glass can ensure sufficient natural lighting after adjustment, the common coverage area illumination mean value, variance and standard deviation after light transmission can meet the preset index, the problem of uneven illumination is solved, and the regulation accuracy and stability are greatly improved.

A control method for light sources of a vision machine and the vision machine. The control method includes the following steps: activating at least one first light source among n light sources to sense spatial information of an object in a field of view; and selectively activating the n light sources according to the spatial information of a sensed object; wherein the n light sources are distributed on a periphery of a front mirror surface of a lens of the vision machine, and n is a natural number greater than or equal to 2. The embodiment of the present disclosure enlarges the field of view of the vision machine, capable of providing corresponding light illumination based on environmental requirements, reducing the interference signal caused by reflection of a single light source, expanding the sensing range of the vision machine, and improving the sensing ability.

The invention relates to a method for operating a lighting device for illuminating the interior of a motor vehicle, - wherein the lighting device has a luminous area comprising light sources through which light is emitted into the interior, - wherein the lighting device includes a luminaire unit by means of which the light is generated that is emitted via the luminaires, - wherein the light sources can be switched to a dark mode and a light mode, such that the light emitted from the light source in the light mode is brighter than the light emitted from the light source in the dark mode, - where a user specifies a light distribution that indicates whether the light source should be in bright mode or dark mode, - wherein a sensing area of ​​a sensor device arranged on or at the illuminating area is provided to specify the light distribution, wherein a desired bright area of ​​the illuminating area, in which the illuminating point or all illuminating points arranged therein are to be in bright mode, can be specified by the user touching an area of ​​the sensing area corresponding to the bright area, - whereby control signals are generated based on the light distribution and output to the lighting unit, so that the light distribution is implemented.

This invention proposes a resonant micro-optical gyroscope based on a variable fiber beam splitter and its closed-loop control method, belonging to the field of resonant optical gyroscope technology. It includes a laser, a variable fiber beam splitter, phase modulators PMⅠ and PMⅡ, circulator Ⅰ and circulator Ⅱ, a 95% 2×2 coupler, photodetectors PDⅠ and PDⅡ, a whispering-gallery resonator, a digital-to-analog interface, a digital system, and an analog-to-digital interface. This invention achieves a dual-closed-loop structure by designing a Schmitt-type closed-loop switching, a linear region judgment scheme, and an automatic reset operation, thereby improving the linearity and dynamic range of the ROG output.

The invention relates to a method and a MINFLUX microscope (1) for locating or tracking an emitter (E), wherein the sample (2) is illuminated in close range (22) of the emitter (E) by an illumination light beam (B) with an intensity distribution of illumination light which has a central minimum, wherein during a measurement cycle, the intensity distribution is shifted by a beam scanner (6) comprising at least one optical component (61, 62, 63, 64) to scanning positions (21), and wherein emissions of the emitter (E) are sensed for the scanning positions (21) and allocated to the scanning positions (21), wherein the beam scanner (6) is controlled with control signals, the control signals and / or desired movements of the at least one optical component (61, 62, 63, 64) can be defined as a function of time in each case via a sine function or via a weighted total of sine functions with a finite number of summands.

A method for applying a light allocation comprises: collecting indoor light data for specific locations within buildings in a certain region as a function of time; estimating outdoor light data for specific locations outside buildings in the certain region as a function of time; wherein the indoor and outdoor light data include the spectrum and intensity as a function of at least time, and wherein time includes the date and time of day, and wherein accumulated light data include the indoor and outdoor light data; applying the accumulated light data for the specific locations in the certain region as a function of at least time to create a light allocation; and wherein the light allocation provides spectral and intensity data of light as a function of at least time for the specific locations within the certain region.

System (1) for lighting control in buildings, comprising a central control unit (10) and at least one luminaire (20) controlled by the central control unit (10), wherein the central control device (10) is designed to take into account the influence of the outside light in an area to be illuminated by the luminaire (20) when controlling the luminaire (20), wherein the system has a sensor for determining the outside light (15) and the central control unit (10) is configured to calculate the influence of the outside light taking into account the information obtained from the sensor, and wherein, in order to calculate the influence of the external light, the central control unit (10) takes into account information which • the spatial design of a room (100) or an area in which the light fixture (20) is located, • the position of the light (20) in the room (100) or area as well as • the arrangement and design of facilities (105) through which outside light can enter the room (100) or area, concerning, whereby the information consists of positional data which essentially completely describe the spatial design of the building, the arrangement of the light fixture(s) and of facilities through which outside light can enter the building.