56results about How to "Zoom out" patented technology

The invention provides a mobile phone screen display control method. A backlight module group of a liquid crystal display screen of the mobile phone is divided into a plurality of backlight modules containing independent backlight sources and light guiding plates and the like; and on the basis of reduction of usage of the backlight modules, the display area of the mobile phone screen is reduced, thereby achieving an objective of energy conservation. In addition, a mobile terminal cooperating with the control method is also provided. The mobile terminal consists of a machine body, an input module, a central processing unit, a display control module for screen display controlling, a liquid crystal display screen, and the backlight module group. The user uses the input module to input a screen display area according to demands; the display control module determines to lighten one backlight module based on the information inputted by the user and controls the screen display area, thereby reducing the screen display area. Therefore, when the user demand is satisfied, the mobile phone power can be saved and the standby time can be prolonged when the mobile phone is used for reading and internet surfing and the like.

A display processing device for displaying a display object in a display window and changing a display range includes a sectioning unit that divides the display window into a plurality of sections (screens) by creating boundary lines. Maps of geographical ranges to be displayed are sectioned and displayed in the plurality of screens. In the event that a boundary line is moved through a user input, the geographical ranges of the maps in the screens for which the screen size has become larger than an initial screen size are enlarged, and the maps in the screens which have become smaller than the initial screen size are reduced in scale in accordance with the reduction in screen size, while maintaining the geographical range of the maps displayed in the display window prior to the boundary line being moved.

An image display system makes a range of a region around a vehicle to be shown in a composite image as a subject image in a case where an auxiliary lighting system emits auxiliary light, smaller than that in a case where the auxiliary lighting system does not emit auxiliary light. As a result, an image display system can reduce the number of times when a user has to watch the subject image of an object in a region not illuminated by the auxiliary lighting system.

The invention provides a DC offset correction device for output signal of gain stage, which comprises: a DAC electric connected to gain stage to generate a current signal according to output DC offset, a current-to-current converter electric connected to the DAC and gain stage to compression treat the current signal to generate a compensation signal and reduce said DC offset.

The invention relates to a method for supporting the display of a plurality of sub display screens on a mobile phone display screen. The method comprises the following steps of: 1, adopting a display screen which can be divided as the mobile phone display screen; 2, in a system processor, dividing the mobile phone display screen into a plurality of sub display screens, wherein the working states of the sub display screens can be independently controlled; S3, setting an interface in a system to perform display control on the sub display screens; S4, setting a corresponding interface convenient for a user to operate on the mobile phone display screen. By the method, a user can enter a power-saving mode by closing the plurality of sub display screens under an operation environment that large-screen display is not needed, and the power endurance of a mobile phone is prolonged.

The embodiment of the present invention discloses a method for adjusting the freezing area of ​​an electronic form, which is applied to a terminal with a touch screen, and includes the following steps: detecting whether there is a touch action for the currently displayed freezing area on the touch screen, and the freezing area is: Freeze the row and the area above the row or the frozen column and the area to the left of the column; if a touch action on the frozen area is detected, and the touch object further performs a sliding operation without leaving the touch screen, then Further determining the sliding direction of the touch body; adjusting the display range of the freezing area according to the sliding direction of the touch body. The technical solution provided by the embodiment of the present invention is applied to adjust the display range of the frozen area, which retains the function of the frozen pane and is convenient for users to read.

The invention discloses a special hemostasis emergency treatment device for the cardiology department. The device comprises a clamping seat, a vertical rod, a controller, a sleeve, a vertical tube, ahook, a transverse rod, a sliding sleeve, a limiting block, a telescopic rod, a spring, a lower permanent magnet, a supporting plate, styptic cotton, an upper permanent magnet and a pressure sensor, wherein the bottom face of the vertical rod is perpendicularly connected with the center of the top face of the clamping seat, a controller connected with the vertical rod is embedded in the front faceof the vertical rod, the top face of the vertical rod is fixedly connected with the bottom face of the sleeve, the vertical tube penetrates through the sleeve from top to bottom, the vertical tube and the sleeve are slidably connected by adopting a mode of clearance fit, and the diameter values of the vertical rod, sleeve and vertical tube are decreased in sequence. The special hemostasis emergency treatment device for the cardiology department has the advantages that the device is provided with an adjustable clamping seat, the device can adapt to the fixation of positions with different thicknesses, the operation during fixation is simple and convenient, the fixation can be completed at a time, the time of installation and fixation is reduced, and the time of hemostasis emergency treatment is shortened.

The invention discloses a casting machine and casting method for liquid forging and belongs to the technical field of special forging techniques and equipment. The casting machine comprises a machine base, a rotating mechanism, a lifting mechanism, a telescopic mechanism, a flow guiding system, a hydraulic system and a control system. The flow guiding system is connected to the telescopic mechanism. The telescopic mechanism is installed on the rotating mechanism. The rotating mechanism is fixed to the lifting mechanism. The lifting mechanism is installed on the machine base. The hydraulic system is used for driving to achieve rotational movement, rising and falling movement and stretching and retracting movement. Casting outside the machine is achieved through the steps of adjusting a casting position, preheating a flow guiding groove, rotating the flow guiding groove to the casting position, conducting casting, and restoring the flow guiding groove, and the manufacturing cost and the use cost of a liquid forging machine can be remarkably reduced. The casting machine and casting method can be used for liquid forging of large pieces and rapid and stable casting, can decrease the defective rate and is wide in application range.

A buoyancy demonstrator relates to a teaching aid, which comprises: a spring balance hung on a support, wherein a string hung on the spring balance is connected with a floating drum through a fixed pulley in the bottom of a pool; when the pool is filled with water, the floating drum can float on the water surface; if the floating drum is removed, a balloon can replace the same.The buoyancy demonstrator has the following advantages: making students understand that the buoyancy is vertical, when the object is fully immersed into water, the size of buoyancy has nothing to do with the immersed depth of the object; when the floating drum is replaced by the balloon, the volume of the balloon reduces with the increase of the immersed depth of the balloon, however, buoyancy becomes low. As a result, the buoyancy demonstrator helps students to be more scientific-minded and to be free from the effect of thinking set.

The embodiment of the invention discloses a list operation method and a mobile terminal. The list operation method can comprise the following steps: when monitoring a first touch operation of a user for a first sound box playlist displayed in a first display interface, obtaining the number M of touch points of the first touch operation; splitting the first sound box playlist into X list segments of which the number corresponds to the number M of the touch points; and when monitoring a second touch operation of the user for the N list segments in the X list segments, displaying the N list segments in a second display interface as a second sound box playlist. By the list operation method and the mobile terminal, partial list items in the sound box playlist can be extracted and displayed on a new display interface, so that the display range of the list items can be reduced; selection by the user is facilitated; and the user experience is improved.

The present invention provides a backfolding night vision lens with a short coke ratio and a large caliber, provided in sequence from an object end to an imaging end coaxially with a first lens having a pedion negative refracting capability and a pedion reflecting capability; a second lens having a positive refraction capability and a falcate shape; and a third lens having a pedion negative refraction capability and a pedion reflecting ability as well as a falcate shape. A refracting surface of the first lens is connected with a convex surface of the second lens, and a concave surface of the second lens opposites to a concave surface of the third lens. The design of the invention provides a plurality of refractions and reflexions for a light path, it is capable of folding the light path effectively, reducing the coke ratio value effectively without an addition of a lens system length by employing a little lens sets, improving the imaging quality, and cost is low and it is convenient to carry. The invention relates to a lens.

The invention provides a method and an apparatus for adjusting a display range of a screen. The method comprises the following steps: acquiring a touch signal in a preset edge region in a touch screen, wherein the touch screen comprises a preset center region and an edge region, the edge region is located at the periphery of the center region, and the touch signal comprises a touch screen signal and a sliding screen signal; the display area of the touch screen is adjusted from a first display area to a second display area, the display area of the first display area includes a display area of the second display area and a display area of the third display area, the display area of the second display area is a center area, and the display area of the third display area is an edge area. The invention obtains the touch signal in the preset edge area of the touch screen by judging, and then adjusts the display area of the touch screen from the first display area to the second display area,thereby narrowing the display area of the touch screen.

The invention relates to the technical field of computers, and discloses a leakage-proof detection device for keyboard assembly by using a photoresistor, which comprises a shell, a motor is fixedly arranged on the outer wall of the shell, the output end of the motor is fixedly sleeved with a first rotating shaft, the first rotating shaft is in transmission connection with two second rotating shafts through a gear, the outer walls of the second rotary shafts are fixedly sleeved with rotary discs, transverse rods are fixedly installed on the inner sides of outer rings of the rotary discs, pull rods are movably connected to the outer walls of the transverse rods, sliding blocks are movably connected to the bottom ends of the pull rods, cavities are formed in the sliding blocks, and partitionplates are fixedly installed at the bottom ends of the interiors of the cavities. An electromagnet is fixedly installed in the partition plate, and a spring is fixedly installed at the bottom end of the partition plate. The detection device has the advantages that the detection device is simple in structure and high in automation degree, keyboard key regions which are detected to be unqualified can be marked, and accordingly operators can conveniently repair keyboards in later periods.

The invention provides a head-mounted virtual reality display device and an automatic adjusting method. The head-mounted virtual reality display device comprises a first display screen, a second display screen, a first limiting element, a second limiting element, a first optical display module, a second optical display module, a camera module and a control module. The first optical display moduleand the second optical display module herein provide basically zero magnification for optical images passed through the first and second limiting elements, distortion degree of the optical images is decreased, and diffraction effect is weakened; the head-mounted virtual reality display device may automatically adapt to a user's pupil distance and its wearing condition, so that a virtual displayedimage viewed by the user through the first and second optical display modules has biggest gray-dark boundary, and the view angle has no evident decrease. The automatic adjusting method is applicable to the head-mounted virtual reality display device.

The invention discloses a coaxial type super remote distance fold-back low-light ranging night vision big camera lens and relates to the field of imaging devices. The coaxial type super remote distance fold-back low-light ranging night vision big camera lens comprises a convexo-plane first lens, a concavo-convex second lens which is provided with a single-sided negative refraction capacity and a center single-sided reflection capacity, a hollow concave third lens with a single-sided reflection capacity, a convex-concave bonding lens arranged at the hollow center of the third lens, a laser emission camera lens which is coaxial with the first lens and arranged on an objective image end, and a laser receiving mirror which is coaxial with the third lens and is arranged on the imaging end, wherein the convexo-plane first lens, the concavo-convex second lens, the third lens, the convex-concave bonding lens, the laser emission camera lens and the laser receiving mirror are arranged from the objective image end to the imaging end in a co-optical-axis mode. The coaxial type super remote distance fold-back low-light ranging night vision big camera lens provides multiple refraction and reflection for a light path so that the light path is effectively folded, effectively reduces focal ratio under the condition that the length of the camera lens system is not increased and fewer lens groups are used; meanwhile, provides the laser emission lens and the laser receiving lens for ranging, provides a ranging function besides observation, achieves the effect that the ranging directivity and the observation are coaxial, combines night vision and the ranging function into one machine, and is low in costs and convenient to carry.

The invention relates to a smart city basic data fusion model design method, system, device and medium, and the method comprises the following steps: determining a resource directory describing a smart city project data source, and determining a fusion model design specification; performing information investigation on the determined basic data resource catalogues to determine the business meaning of each resource catalogue and the relationship between the data; on the basis of an information investigation result, constructing a topic model conforming to the actual situation of the smart city; and by taking the determined fusion model design specification as a constraint, carrying out design, review and verification on the constructed topic model to obtain a basic data fusion model of the smart city. The method can be widely applied to the field of data processing.

In the invention, the DC motor for driving printing ink supplying quantity regulating scraper can be replaced by a step motor, and the step motor can be driven by the same control signal with the DC motor. The DC motor is replaced by the step motor (310); and the DC motor driver (100) as driving unit for providing analog voltage is remained; the analog voltage is used for driving the DC motor to rotate, reversely rotate or stop; a step motor driver (200) is disposed between the DC motor driver (100) and the step motor for generating power source from the analog voltage used for driving the DC motor and generating logic figure signal to drive the step motor.

The invention relates to a model test piece design method of a metal-wing main box section bending rigidity test. The method comprises the following steps of according to a real aircraft metal wing main box section, acquiring a stringer equivalent area Ae and an equivalent skin thickness tse in a real aircraft; according to the real aircraft metal wing main box section, acquiring a minimum thickness td of a wing spar in the real aircraft, according to a model test piece processing method, acquiring a minimum thickness ta which can be processed by a model test piece, and according to the td and the ta, determining a scaling n of the model test piece; simplifying a real aircraft wing main box section structure to acquire a real aircraft wing main box section simplification structure, and according to the real aircraft wing main box section simplification structure and the scaling, acquiring a model test piece structure; and through carrying out rigidity testing on the model test piece structure, acquiring that bending rigidity of the model test piece is EIm, and according to the bending rigidity of the model test piece and a minimum scaling, acquiring bending rigidity EIo of the real aircraft metal wing main box section. The method is simple and high-efficient, cost is saved and there are other advantages.

The invention discloses a standard clamp rail type intelligent photovoltaic battery pack string monitoring device. The device adopts a milliohm divertor and one sampling channel of a dual-channel analog-digital converter ADC to sample the stringing current, adopts a voltage sampling resistor and another sampling channel of the dual-channel analog-digital converter ADC to sample the stringing voltage, adopts a build-in temperature sensor of the dual-channel analog-digital converter ADC to measure the working temperature of the fuse, and adopts a self-excited isolated power source to supply power. The device of the embodiments of the invention can be used to overcome various defects in the prior art, can be used to monitor various parameters, such as the photovoltaic battery pack string voltage, current, fuse state, temperature, etc., and has advantages of high acquisition accuracy, no current measurement zero offset, small temperature drift, high accuracy voltage measurement, small occupied space and easy installation.

The invention discloses an operation method of a user interface, which is applicable to carrying out the inputting operation on an input panel displayed by a display, wherein the input panel is provided with a plurality of keys. The method comprises: determining an input command by one of the keys on the input panel; and then displaying a visual feedback through an image in a display range of the display.

A camera device and a method for carrying out human type detection by using the same are disclosed. The method comprises the following steps: acquiring monitored object images continuously shot by a lens of the camera device; detecting a dynamic area in the acquired images; if the dynamic area is detected, using a human type detecting technology to detect a human type image in the dynamic area. By using the device and the method of the invention, a speed of detecting the human type image can be accelerated.

A shutoff valve, a first gas pressure sensor, a pressure reducing valve, a second gas pressure sensor, and a gas supply component are provided, sequentially from a gas tank side, in a gas supply flow channel that extends from the gas tank to a gas consuming component. Besides, a buffer tank is provided, via an on-off valve, in a branch flow channel that branches off from the gas supply flow channel between the pressure reducing valve and the gas supply component. This buffer tank is in a situation where the pressure of the buffer tank is not higher than a consumption prescribed gas pressure. In calibrating the first gas pressure sensor, with the shutoff valve closed and with the on-off valve open, a detection value of the first gas pressure sensor is calibrated through the use of a detection value of the second gas pressure sensor.

The invention provides a marine sliding bearing residual life prediction method based on transfer learning, and the method comprises the steps: 1, carrying out the anti-seizure performance test of marine sliding bearings made of different materials, and collecting the multi-sensor signal data of the sliding bearings made of different materials in the whole degradation process; 2, time domain and frequency domain multi-sensor feature extraction is carried out, a multi-dimensional multi-sensor feature vector is formed, and normalization processing is carried out; and 3, building a transfer learning life prediction model, reducing the difference between two domains by introducing domain classification loss, MMD loss and CORAL loss, carrying out iterative training on the residual life prediction model by adopting an RMSprop optimization algorithm, and finally outputting a residual life prediction result of the target domain material sliding bearing. According to the method, the first-order and second-order characteristic differences between failure data distributions of sliding bearings made of different materials are reduced, and meanwhile, the universality and prediction precision of the life prediction model are improved.

A finder display unit displays a live view image based on a captured image generated by an imaging unit. A digital signal processing unit detects a movement vector between frames in the live view image for a predetermined portion in the captured image. A digital signal processing unit changes a display range of the live view image on the finder display unit based on the detected movement vector of a peripheral portion in the captured image.

The invention designs a rifle shooting training fixer, and belongs to the field of mechanical design. The rifle shooting training fixer comprises the following components: a fixing bolt, a front clamping groove, a rear clamping groove, a front bracket, a rear bracket, a direction adjuster, a height adjuster and a bottom plate. The application flow is as follows: 1, opening the fixer, and placing the fixer on the ground to be aligned to the target direction; 2, supporting the front bracket and the rear bracket, and screwing a fixing nut for fixing; 3, placing and fixing a rifle on the clampinggrooves; and 4, adjusting the direction and a height nut to enable the aiming line to point to the aiming point to form a correct aiming scene. According to the equipment, the distance is reduced, rifle fixing aiming is achieved, aiming correctness is solved, aiming at four points solves aiming consistency, and real-distance rifle fixing aiming is realized.

The invention provides a head-mounted virtual reality display device and an automatic adjusting method. The head-mounted virtual reality display device comprises a first display screen, a second display screen, a first limiting element, a second limiting element, a first optical display module, a second optical display module, a camera module and a control module. The first optical display moduleand the second optical display module herein provide basically zero magnification for optical images passed through the first and second limiting elements, distortion degree of the optical images is decreased, and diffraction effect is weakened; the head-mounted virtual reality display device may automatically adapt to a user's pupil distance and its wearing condition, so that a virtual displayedimage viewed by the user through the first and second optical display modules has biggest gray-dark boundary, and the view angle has no evident decrease. The automatic adjusting method is applicable to the head-mounted virtual reality display device.

A display processing device for displaying a display object in a display window and changing a display range includes a sectioning unit that divides the display window into a plurality of sections (screens) by creating boundary lines. Maps of geographical ranges to be displayed are sectioned and displayed in the plurality of screens. In the event that a boundary line is moved through a user input, the geographical ranges of the maps in the screens for which the screen size has become larger than an initial screen size are enlarged, and the maps in the screens which have become smaller than the initial screen size are reduced in scale in accordance with the reduction in screen size, while maintaining the geographical range of the maps displayed in the display window prior to the boundary line being moved.