42results about How to "Change hue" patented technology

The invention discloses an intelligent interactive learning machine which comprises a shell, a panel arranged on the shell, a touch liquid crystal display (LCD) screen positioned on the panel, a circuit control board connected with the touch LCD screen, and a power supply battery connected with the circuit control board; wherein the circuit control board includes a central processing unit (CPU) which is connected with a power supply switch, a USB interface, an SD card interface, a Bluetooth emission port, a loudspeaker, a sound volume key, a communication port, an earphone port, a microphone port and an external power supply port. The operator can touch the screen or control the key to lead the operated command be converted into data signals and then transmitted into the CPU of a control circuit, and the CPU can be used for processing and displaying according to the actual command, so that the aims of planning study plan, home teaching, recording voice and storing data as well as transferring and transmitting data, recording event, language and character reminding, digital photo frame displaying, an alarm clock, playing audio/video, running games and the like, thus further completing the intelligent interaction between the people and the learning machine.

The invention provides a method for controlling a POV display device to display images and animation. The method for displaying color images comprises the following steps that firstly, a round interesting area obtained from an image represented by an RGB color model serves as an image to be displayed; secondly, the image to be displayed is modularized in the radial direction and converted into a set of data which can operate on the display device and control light-emitting intensity of LED lamps; thirdly, the data are sent to the display device in a wireless mode, the display device extracts the data, and the LED lamps are controlled to display the image to be displayed in the rotating process. By means of the method for controlling the POV display device to display the images and the animation, free wireless switching between the images and the animation can be achieved for the display device, a user can zoom the images or the animation displayed by the display device, change the display angle, the content, the hue and the like of the images or the animation, and user experience is greatly improved.

The present invention discloses a luminaier for underwater shooting self-adaptive chrominance compensating illumination light source, and is characterzed by that in compressive lamp box a support is set, one side of upper portion of said support is equipped with an array plate LED light-emitting lamp, and its another side is equipped with a condenser, the lower portion in the interior of compressive lamp box has a control drive circuit, a compressive glass window is positioned at condenser position, and a scene ranging sensor is placed in the lower portion of interior of the compressive lamp box, and the control drive circuit is respectively connected with scene ranging sensor and array plate LED light-emitting lamp, in which the control drive circuit uses the microprocessor to respectively connect with scene ranging sensor circuit, chromatic ratio circuit and memory and uses the power amplification drive circuit to respectively connect with chromatic ratio circuit and array plate LEDlight-emitting lamp. The interior of microprocessor also has the control software for underwater shooting self-adaptive illumination light source.

The present disclosure relates to a liquid crystal display device, a backlight source, and a dimming method for the liquid crystal display device. The backlight source for a liquid crystal display device comprises: a backlight lamp group which is divided into at least two areas, each being provided with a group of multi-color LED light sources distributed therein, and the individual areas formed by dividing the backlight lamp group being in one-to-one correspondence with individual display picture regions formed by dividing a liquid crystal display panel; a time sequence control circuit, which generates time sequence signals for individual LEDs of a group of multi-color LED light sources in the backlight lamp group area associated with a respective region; and an LED driving circuit, which controls the brightness of individual LEDs of the multi-color LED light sources in respective areas, so as to adjust the hue among the areas and the brightness of the current area. Therefore, through dividing the backlight source so as to be in correspondence with different display picture regions of the liquid crystal display panel, and controlling the brightness of the LEDs with various colors of the multi-color LED light sources in different areas based on the display contents in the different display picture regions, the hue among the areas can be changed, and the expression of LCD pictures can be improved.

A liquid crystal display device, without light leakage in a black display mode, is provided. The liquid crystal display (LCD) device includes a LCD panel, a light source, and an optical filter between the LCD and the light source. When the LCD panel is in the black display mode without the optical filter, leakage light leaking from the LCD panel in an oblique direction shows a hue having a local minimum value in a wavelength range from 450 nm to 550 nm. Normal incident light entering into the LCD in a normal direction shows a hue same as that of light just emitted from the light source, and oblique incident light entering into the LCD panel in an oblique direction shows a hue having a local maximum value in a wavelength range from 400 nm to less than 550 nm.

A preparation method for oil-soluble orange flavochrome takes orange peel dry powder as the raw material and the oil-soluble orange flavochrome is obtained by the processes of acidolysis, zymohydrolysis and extraction. The preparation method adopts the zymohydrolysis method to complete the zymohydrolysis process to obtain the orange pectine and then the flavochrome is extracted, thus greatly saving the consumption of extractant and obviously lowering the cost. The product is natural pigment and is nontoxic and non-polluted, thus being applicable to be the colorant of oleaginous foods to replace synthetic food color.

The provided drive circuit for controlling LED luminance comprises a control circuit to generate current and detect LED voltage for adjusting its current, wherein the LED current is relative with LED temperature.

The invention discloses an intelligent indoor light control system, and belongs to the field of light control. The intelligent indoor light control system comprises a lamp tube illumination system, a driving system structure and a lamp tube adjusting structure, the lamp tube adjusting structure comprises a main lampshade, an outer fixing ring, a rotating shaft clamping shell, a rotating shaft and a mounting rod, a main lampshade is fixedly connected to the top of the inner side of the lamp tube adjusting structure, a fixing disc is fixedly connected to the surface of the main lampshade, a connecting rod is in threaded connection with the surface of the fixing disc, a lampshade wall is fixedly connected to the bottom side of the main lampshade, a sliding plate groove is formed in the inner wall of the lampshade wall, a sliding tooth plate is arranged in the sliding plate groove, and the sliding tooth plate is connected with the linkage gear in a meshed mode. According to the invention, the utilization rate of electric energy can be improved, the redundant consumption of energy is reduced, the energy consumption is reduced and is more environment-friendly, the darkness of a shadow formed by a light source with relatively concentrated irradiation is reduced, and the system can be used in various indoor scenes and is wide in application range.

The invention discloses a preparation method of high solubility water-soluble red rice pigment. Red yeast rice is taken as major raw material which undergoes leaching through NaOH and alcohol solution, and the specific processes include soaking, filtering, concentrating, ultrafiltration and drying. The pigment provided by the invention has high color number, great dyeing power and high solubility. Furthermore, the pigment can be steadily dissolved in water with high hardness and can not settle down even if being heated to boil with clear and bright color.

The invention discloses a rice image information acquisition system. The system comprises at least three image acquisition modules, an image recognition module, an image segmentation module and a network model database, the at least three image acquisition modules are fixed in at least three direction edge areas of a paddy field, image acquisition is performed on the paddy field at a preset frequency, and at least three rice images at the same time are acquired; the image recognition module is connected with the at least three image acquisition modules through a network and is used for recognizing rice canopy information and background information in the rice image; the image segmentation module is connected with the image recognition module through a network, and the image segmentation module carries out segmentation processing on the rice image; and the network model database performs model matching analysis on the segmented rice image. The system does not need more manual participation, and is better in processing effect of the rice image.

The invention relates to a preparation method of a self-cleaning composite artificial stone material, and belongs to the technical field of building materials. The preparation method of the self-cleaning composite artificial stone material utilizes methyl methacrylate, polyurethane and polyethylene resin as raw materials, cobalt octoate as a catalyst, sodium silicate as a modifying agent and triethoxysilane as a coupling agent; a self-cleaning binder is synthesized; the self-cleaning capacity of a surface of an artificial stone material is increased; meanwhile, the wear-resistance capacity of the artificial stone material is increased; afterwards, building waste soil, bentonite and blast-furnace slag are used a mixture; micro-content metallic elements such as titanium and the like in the mixture are utilized as a pholocatalyst; the decomposition capability, to a pollutant, of the artificial stone material is increased; finally, the composite artificial stone material is made and obtained by vibration, extrusion and drying. The preparation method effectively solves problems that the surface of the artificial stone material is easily corroded after the surface of the artificial stone material is subjected to pollution treatment, and meanwhile, the surface of the artificial stone material loses a gloss after being washed; the effect of self-cleaning, without a washing agent for washing, of the artificial stone material is realized.

A color signal processing device and method thereof. The device includes: a calculating unit calculating brightness, chroma and hue of an input RGB color signal; a coordinate storage unit storing predetermined coordinates including brightness and chroma of colors classified according to a predetermined level; a color gamut determining unit, determining a color gamut to display the input RGB color signal; and a signal processing unit digitizing the input RGB color signal in a predetermined color gamut.

The invention relates to a copper plating additive, a copper plating solution and application thereof. The copper plating additive comprises 1, 4-cyclohexanedione monoethylene ketal, a potassium phthalimide salt and an amino polyol compound. Wherein the 1, 4-cyclohexanedione monoethylene glycol ketal can obviously improve the brightness of a brush plating copper layer, the phthalimide potassium salt can effectively improve the dissolving efficiency of the 1, 4-cyclohexanedione monoethylene glycol ketal, meanwhile, the effects of refining grains, leveling and improving the uniformity and thickness of a plating layer are achieved, and the amino polyalcohol compound can greatly change the color tone of the copper layer; the color is brighter. In addition, the copper plating additive has the advantages of being environmentally friendly, non-toxic, low in cost and the like, and is suitable for large-scale industrial production. When the copper plating additive is added into a copper plating solution, the thickness, the brightness and the plumpness of a plating layer can be greatly improved by adding a very small amount of the copper plating additive, and the stability of the original copper plating solution and the performance of the original copper plating layer are not changed.

The invention discloses a brightener for cyanide-free brush silver plating and application of the brightener, and particularly relates to the technical field of brush plating. The invention provides the brightener for the cyanide-free brush silver plating and a preparation method of the brightener. The brightener is prepared from 2-thiophenemethanol, triphenylphosphine and 1-ethyl-(3-dimethylaminopropyl) carbodiimide hydrochloride. By the adoption of the technical scheme, the problems that traditional cyanide-free brush silver plating is low in plating speed and the appearance of a plating layer is not white and bright enough are solved, and the brightener can be used for improving the plating speed in the cyanide-free brush silver plating process.

The invention relates to an indoor machine of air conditioner. It includes bottom plate, rear machine shell placed on upper side of the bottom plate, front machine shell which is placed in the front of rear machine shell, whose side surface and back surface have air inlet and whose side surface has air outlet, air supply fan and heat exchanger which are placed between front machine shell and rear machine shell. Besides, it also includes a front panel mounted in the front of front machine shell, and said front panel includes front glass, rear plate, and cover. Said invention also provides the concrete structure of said front panel.