127results about How to "Automatic brightness adjustment" patented technology

The invention discloses a mobile playing device and a control method thereof. The control method comprises the steps that: when a sensor on the mobile playing device senses that a user moves from a fixed position, the mobile playing device obtains content of current audio or video from a mobile terminal or a television in a wireless communication manner; through sensing a final position of the movement of the user during the moving process of the user, driving motors control the mobile playing device to move to the position to which the user moves; and a display screen is controlled to rotate and adjust to a relative position convenient for watching or listening by the user through sensing positions of the eyes and the display screen when the user watches a video after the mobile playing device is moved to the position of the user. The mobile playing device is kept in a position most suitable for watching and listening relative to the user during the automatic moving process, and the user can use the audio and video resources without interruption.

The invention provides a LED automatic control system which includes an upper computer, the upper computer belongs to a computer hardware equipment which is installed with an intelligent system control software in inner. The upper computer communicates with a control host by way of electrical power carrier, the control host is installed in a distribution cabinet, the control host connects with a series communication interface of the electrical power carrier router, the electrical power carrier router is jointed to the electrical power carrier channel of each branch computer through the electrical power line, each electrical power carrier channel connects with the control module with electrical power source through the series communication interface, the electrical power source control module connects with the LED router electrical power source. The control system can process category setting according with grade and characteristic of the road for controlling the road lamp opening or closing automatically. The system also can adjust the lamp brightness and working power, and monitor using condition of the road lamp and the line in time, the system also can jump the control system and control the road lamp switch by hand.

The embodiment of the invention provides a brightness and color temperature adjustment method and device of a mobile terminal. The mobile terminal comprises a display screen. The mobile terminal has a second user mode which is a mode set for a specific user. The method includes the steps that the second user mode starts; type information of an application currently running in the mobile terminal and running time of the application are obtained; whether the running time is larger than a time threshold or not is judged; if yes, the brightness and color temperature of the display are adjusted according to the type information. In the method, the type information of the application currently running in the mobile terminal and running time of the application are obtained, whether the image brightness of the currently running application is larger than an image brightness threshold or not is judged when the currently running application is a video program, the brightness and color temperature of the mobile terminal are automatically adjusted, and eyesight of people is helped to be protected.

This invention provides a method for adjusting and detecting brightness of a back light source of a LCD including designing a predetermined value with brightness information then to detect brightness of a back light source with a light sensor to get a detection value to be an analog signal to be converted into a digital signal by an analog/digital converter to be compared with the predetermined value by a microprocessor, if the digital signal is not equal to the predetermined value, then the microprocessor determines an adjust value and adjusts the brightness of the back light source.

The invention provides a system for automatically adjusting the screen brightness. The system comprises an extracting module used for extracting the current screen brightness value of a display screen and the illuminance value in the current environment; a de- noising module used for removing noises in the current environment according to the illuminance value in the current environment; a normalization module used for performing the normalization treatment on the current screen brightness value of the display screen and the illuminance value in the current environment, and also performing the normalization treatment on an illuminance/screen brightness mapping table stored in a memory; and a display module used for controlling the screen brightness value of the display screen to be corresponding to illuminance value in the current environment according to the illuminance/screen brightness mapping table stored in the memory. In addition, the invention provides a method for automatically adjusting the screen brightness. According to the technical scheme of the invention, the screen brightness value of the display screen is automatically adjusted to conform to user preferences in accordance with learning results.

The invention discloses an Internet of things LVD (Low Voltage Detector) road lamp urban illumination control system which comprises an urban illumination management platform, a GPRS (General Packet Radio Service) communication module, an electric power acquisition module, a plurality of electric communication intelligent service terminals, a plurality of illumination units, a plurality of video conversion servers and a plurality of video camera units, wherein the GPRS communication module is communicated with the urban illumination management communication platform through a GPRS network. The plurality of video conversion servers are respectively communicated with the urban illumination management platform through a 3G network. According to the invention, communication is carried out by using electric power carriers, every day subset and sunrise time can be measured by using a GPS system, a road lamp switch is automatically controlled according to changes of the sunset and sunrise time, the brightness of the road lamp can be regulated according to the sunset and sunrise time, the operation state of the road lamp is monitored in real time, and mutual switching of automatic control and manual control can be realized.

The invention discloses contactless intelligent self-service license photographing equipment and method. The equipment comprises a chassis, an input/output module, a photographing module and an intelligent module, wherein the chassis comprises a fixed module and a scalable module, the fixed module is connected with the scalable module by virtue of a scalable part, the input/output module is arranged on the fixed module, the photographing module and the intelligent module are arranged in the fixed module, and the intelligent module is respectively connected with the photographing module and theinput/output module; and the photographing module comprises a camera module and a mobile module, and the mobile module is used for driving the camera module to move. The contactless intelligent self-service license photographing equipment and method which are disclosed by the invention can realize that hands of a user are free in a photographing process, photographing can be completed without keyor contact, an automatic photographing process is convenient and simple, industry intelligentization requirement in new times is met, and support is provided for the development of intelligent citiesand intelligent life.

The utility model discloses a switching method between the daytime/night modes based on the digital television, aiming at providing a switching method between the daytime/night modes based on the digital television, which is able to switch between the daytime/night modes according to the start-up time to save electricity. The method comprises the following steps: setting up the critical time between the daytime the night, extracting the current time from the TDT table and the TOT table of the digital code flow, judging the daytime mode and the night model switching to the corresponding mode. When starting the television by means of the switching method, the starting mode is determined according to the current time information carried in the digital code flow and the picture brightness and the volume are automatically adjusted, so as to reach the purpose of saving electricity. Meanwhile, the utility model does not affect others and enhance the humanization of the television. The starting mode can be automatically adjusted, thus relieving the users from repetitive operations and providing great convenience for use .

The invention provides a method for adjusting brightness and electronic equipment. The method is applied to the electronic equipment. The electronic equipment is connected with display screens with the number of M and has a first working mode and a second working mode, wherein M is an integer greater than or equal to one. The method comprises the steps that the working modes of the electronic equipment are detected, and a detection result is obtained; the brightness of the display screens with the number of M is adjusted through a first strategy when the detection result shows that the electronic equipment is in the first working mode; the brightness of the display screens with the number of N in the display screens with the number of M is adjusted through a second strategy when the detection result shows that the electronic equipment is in the second working mode, wherein N is smaller than or equal to M and is a positive integer, and the first strategy and the second strategy are different.

The invention relates to a method and a device for adjusting brightness. The method comprises the following steps: measuring ambient brightness to obtain a first ambient brightness value; calculating a first brightness adjustment value according to the first ambient brightness value and a preset brightness value; and sending the first brightness adjustment value to lighting equipment so that the brightness of the lighting equipment is adjusted to be the first brightness adjustment value. Therefore, the brightness of the lighting equipment can be automatically adjusted according to the change of the ambient brightness, and the lighting effect of the lighting equipment can be consistent, so that the energy consumption is reduced, and the user experience is further improved.

The invention provides a system for changing the visual effect of a digital television. The system needs support of software and hardware systems, and comprises a light brightness sensor, a light intensity sensor, a special channel, a high-definition digital set top box and a high-definition digital television, wherein the light brightness sensor and the light intensity sensor are used for acquiring an illumination condition around the current high-definition digital television and transmitting the illumination condition to the set top box through the special channel; the high-definition digital set top box is used for computing and processing illumination data and judging which display mode is required to be used by a current high-definition digital television; and the high-definition digital television is used for automatically adjusting the tone, saturation, purity, brightness and the like of display according to a command transmitted by the set top box. Simultaneously, the invention also discloses a method for changing the visual effect of the digital television. By the technical scheme, the contrast, the brightness and the like of the high-definition digital television can be adjusted automatically, a user can watch television without feeling fuzzy or glaring, and good user experience and feeling are obtained.

The invention relates to an image vignetting brightness regulating method and an image vignetting brightness regulating device. The method comprises the following steps of: S100) acquiring a two-dimensional image, and dividing a vignetting area on the two-dimensional image; S200) regulating the brightness of the vignetting area; and S300) outputting an image of which the brightness is regulated. By the method and the device, in the process of shooting by utilizing an image shooting device, the brightness of the image vignetting can be automatically regulated, so that the brightness of a whole image is maintained consistently after regulation, and the comfort level of image watching is improved; and the method and the device are implemented by modifying the conventional majority photographic devices, and the universality is high.

The invention discloses a lamp light control device capable of tracking and adapting to human eyes. The lamp light control device comprises a lamp light control module (3), a mechanical arm module (4) and a base (5), wherein the mechanical arm module (4) is rotationally arranged on the base (5) of a lamp light control device, the lamp light control module (3) is arranged at the end part of the mechanical arm module (4), the lamp light control device also comprises an information identifier (1), an intelligent processing component (2) and a power supply device (6), the information identifier (1) is arranged outside the lamp light control device, and the intelligent processing component (2) and the power supply device (6) are arranged in the base (5). The lamp light control device has the advantages that the bright and dark combination of the lamp light can be controlled for adapting to the requirements of people, the sound control, the light sensing control and the mechanical control are combined into a whole, the lamp light is automatically controlled, a user (face and eyes) can be identified, the use habit of the user can be studied, and further, the lamp light angle, brightness and the like can be automatically regulated for the user.

The invention discloses a brightness adjusting system, which is used in an electronic device. The brightness adjusting system comprises an acquiring module, which is used for acquiring data of face characteristics; an analyzing module, which is used for comparing the acquired data of the face characteristics and the preset data of the face characteristics, and is used to analyze whether the current brightness of the display of the electronic device is suitable for the using of the electronic device by the user; and an adjusting module, which is used for adjusting the brightness of the display according to the analyzing result. The invention also provides a brightness adjusting method. According to the invention, the brightness of the display can be adjusted automatically according to the data of the face characteristics of the users.

The present invention provides an intelligent street lamp system based on the Internet technology. The system comprises an APP client downloaded in a smart phone and an intelligent control device arranged in a street lamp device. The APP client sends a street lamp turn-on, turn-off or light bright command to the intelligent control device through a WiFi network, and the intelligent control device is used for receiving the signal sent by the APP client and controlling the turn-on, turn-off or light bright of the street lamp. The turn-on, turn-off or light bright of the street lamp can be controlled through the smart phone.

The invention relates to an internet-of-things-based electrodeless-lamp urban lighting control system. A 3G communication module is in communication connection with an urban lighting management platform by a 3G network. A plurality of power communication intelligent service terminals are connected with the 3G communication module by RJ45 interfaces respectively and are connected with an electric power collection module by RS485 interfaces. A plurality of illumination units are connected with the power communication intelligent service terminals by power lines. A plurality of video conversion servers are in communication connection with the urban lighting management platform by the 3G network; and a plurality of video shooting units are connected with the video conversion servers by video transmission lines. According to the invention, with power carrier communication, the sunrise and sunset time each day can be measured and calculated by using a GPS positioning system; streetlight switches can be controlled automatically according to changes of the sunrise and sunset time and the streetlight brightness can be adjusted based on time; and the operation states of the streetlights can be monitored in real time. Moreover, mutual switching of an automatic control way and a manual operation way can be realized.