34results about How to "Meet viewing requirements" patented technology

The invention discloses method and equipment for adjusting brightness and contrast. The method comprises the following steps of: acquiring a pixel value of a brightness section in a column diagram of an input signal, judging whether the brightness of the input signal meets an adjusting condition or not according to the relationship between the pixel value of the brightness section in the column diagram and a preset threshold value; and when the brightness of the input signal meets the adjusting condition, adjusting the brightness of the input signal; acquiring a pixel value of a contrast adjusting section in the column diagram of the input signal, acquiring the contrast of the input signal according to a configured contrast acquiring formula, and adjusting the contrast of the input signal. The invention realizes an adaptive adjustment of the brightness and the contrast of a television signal received by a PCTV.

The invention provides a method for regulating screen brightness. The method includes the steps that a light collecting unit collects ambient light intensity and outputs voltage signals at intervals according to the light intensity; a core processing unit receives consistent voltage signals continuously, obtains a voltage value corresponding to current screen brightness according to a corresponding relation of the screen brightness stored by a storage unit with voltage values and the current screen brightness, compares the voltage signals with the voltage value, and controls a screen managing unit to increase or reduce the screen brightness if the signals are larger or smaller than the voltage value; and the first step is repeated from. According to the method for regulating the screen brightness, the screen brightness can be regulated according to the light intensity of the environment, suitable brightness can be guaranteed when a user is watching the screen, good definition of the screen is provided, watching requirements are satisfied, large amount of electric energy can be saved simultaneously, and the method is applicable to electronic devices, particularly mobile electronic devices.

The invention relates to a DVB (Digital Video Broadcasting) conditional sending device integrating basic data and normal data scrambling. The sending device comprises a user authorization module, a scrambling module and a multiplexer. The user authorization module is used for generating basic data scrambling information and normal data scrambling information. The scrambling module is used for respectively carrying out scrambling on basic data and normal data according to the basic data scrambling information and the normal data scrambling information. The multiplexer is used for multiplexing the basic data and normal data subjected to scrambling, the basic data scrambling information and the normal data scrambling information so as to form a final TS (Transport Stream) and output the TS. With the adoption of the device, a sending end can send two data contents of different resolutions, two scrambling methods of different degrees of difficulty are integrated at each receiving end, and the two data contents are corresponding to the two scrambling methods respectively, so the watching requirements of different user groups at the receiving ends on digital television programmes are met.

The invention discloses a liquid crystal display wall-mounting device. The liquid crystal display wall-mounting device comprises two vertical guide rails arranged in parallel, a first cross bar and a second cross bar, and further comprises a first nut, a first shaft sleeve, a first threaded rod, a second nut, a second shaft sleeve and a second threaded rod, wherein the first nut is fixedly arranged on the first cross bar, the first shaft sleeve is fixedly arranged on the second cross bar, and the first threaded rod is in screw-thread fit with the first nut and in running fit with the first shaft sleeve; the second nut is fixedly arranged on the second cross bar, the second shaft sleeve is fixedly arranged on a second connecting rod, and the second threaded rod is in screw-thread fit with the second nut and in running fit with the second shaft sleeve. A liquid crystal display television or a liquid crystal display is placed in U-shaped grooves of the first cross bar and the second cross bar, the first cross bar is made to move downwards by rotating a first handle, and then the liquid crystal display television or the liquid crystal display can be fixed reliably and lifted to the required height by rotating a second handle, so the watching requirements of different viewers can be met, and universality and practicality are good.

The invention discloses a dual-polarization planar-array satellite-television reception antenna. A polarization direction of a polarization feed network I and a polarization direction of a polarization feed network II are mutually vertical. The polarization feed network I and the polarization feed network II are arranged in an upper plane and a lower plane respectively and combines radiation units into a 2*2 unit array antenna. The polarization feed network I and the polarization feed network II are arranged between the radiation units and the rearmost parts of the polarization feed network I and the polarization feed network II are bent at the back face of the 2*2 unit array antenna. Through compensation, the polarization feed network I and the polarization feed network II are identical in geometry length. Output ports of the polarization feed network I and the polarization feed network II are both arranged on the back face of the 2*2 unit array antenna. The two output ports are corresponding to two input ports of a dual-polarization radio-frequency head and are connected with the two input ports through microstrip lines respectively. The dual-polarization planar-array satellite-television reception antenna has excellent minor lobes and alternative polarization characteristics and comparatively high antenna efficiency and compensated dual-polarization synthetic networks are basically equal in geometry length so that the whole antenna obtains an excellent circular polarization axial ratio characteristic in a bandwidth.

The invention relates to a DVB (Digital Video Broadcasting) condition receiving device capable of descrambling integrated basic data and normal data. The DVB condition receiving device comprises a demultiplexer, a controller, an unpacking module and a descrambling module, wherein a transport stream TS received by the demultiplexer comprises basic data and normal data with different acquisition rates and the same program content, and the demultiplexer, the unpacking module and the descrambling module sequentially carry out the demultiplexing, unpacking and descrambling operation on the received transport stream; and the controller is connected with the descrambling module and receives user priorities so as to start up the basic data descrambling operation or normal data descrambling operation according to different user priorities. By the adoption of the DVB condition receiving device capable of descrambling integrated basic data and normal data provided by the invention, two data contents of different resolutions can be received at a receiving end, two descrambling methods of different degrees of difficulty can be integrated at the receiving end, and the two data contents and the two descrambling methods respectively correspond to each other so as to adapt to the watching demand of different user groups at the receiving end for digital TV programs.

The present invention relates to applications of an ecological protective apparatus for concrete dam tops and dam slopes belonging to the field of dam body protection. The applications herein comprise the following steps: firstly determining a location for disposing a plant pipe based on the size and features of a concrete dam; then preparing a plurality of single-unit plant pipes, opening pores on the pipe wall every 30-40 cm, wherein for horizontal layout of a pipeline, circular pores of5-10 cm pore diameter may be opened, and for longitudinal layout, a recessed cut opening of 5-8 cm may be opened; casting organic soil to a single-unit plant pipe 5; combining single-unit plant pipes which are filled with organic soil to form a plant pipe channel at the places whereat a pipeline needs arrangement; planting or sowing seeds at the openings of the plant pipes which have been installed; greenizing the concrete dam tops and dam slopes through plant growth. The applications of the present invention achieve greening of the dam body, and at the same time do not impose influence on the safety of dam body.

The invention discloses a cantilever hanging frame which comprises a mounting part, a connecting part connected to the mounting part and a fixing part installed at the other end of the connecting part. The connecting part comprises a first connecting piece connected with the mounting part, a second connecting piece connected with the fixing part and a folding piece connected with the first connecting piece and the second connecting piece. The folding piece can rotate respectively around the first connecting piece and the second connecting piece. Compared with the prior art, due to the fact that the connecting part can rotate, an included angle between the mounting part and a flat panel television installed on the fixing part can be adjusted according to positions where audiences are located, and the watching requirements of the audiences are met.

The invention discloses an urban railway viaduct section structure. The urban railway viaduct section structure comprises a track beam (2) arranged at the top of a box girder (1) and further comprisesa strong current cable trench (6) and a weak current cable trench (7), wherein the strong current cable trench (6) and the weak current cable trench (7) are arranged inwards from the two sides of thetransverse direction of the box girder (1) in sequence; an overhead contact system upright (4) and acoustic barrier uprights (8) are arranged in the strong current cable trench (6); the overhead contact system upright (4) is arranged between the two adjacent acoustic barrier uprights (8); the cross section of the overhead contact system upright (4) and the sections of bottom foundations of the acoustic barrier uprights (8) have one section of overlapped parts in the longitudinal direction; a signal machine (10) is also arranged in the position, close to a track side trench wall, of the strongcurrent cable trench (6); and the signal machine (10), the acoustic barrier uprights (8) and the overhead contact system upright (4) are staggered with each other on different transverse sections. According to the urban railway viaduct section structure, the bridge floor space is sufficiently utilized, and the arranging problem of each system equipment structure of urban railway within a relatively smaller bridge floor width range is solved.

The invention provides a screen refreshing method according to a preset frame rate and a device. The method particularly includes that writing operation states of a plurality of frame buffers are preset to be idle states, expected time for refreshing a frame of data of a screen is calculated according to the preset frame rate, writing operation of the frame buffers in the idle states is carried out, one of the frame buffers in the idle states is selected to be used as a reading frame buffer, the writing operation state of the reading frame buffer is refreshed to be a busy state, reading operation of the reading frame buffer is carried out, read frame data are transmitted to an image display to be displayed, a reading operation time interval between a previous reading frame buffer and a next reading frame buffer is not shorter than the expected time, and the state of the reading frame buffer is refreshed to be the idle state after the reading operation is completed. The screen refreshing method and the device are used for reducing bandwidth of a system in a screen refreshing procedure.

The invention provides a hydroponic nutrient solution for Dracaena marginata. The hydroponic nutrient solution is prepared from metal inorganic salt, organic salt, a root growth promoting agent, a nitrogen fertilizer and a boron fertilizer on the basis of per liter of water, wherein the metal inorganic salt is prepared from calcium nitrate tetrahydrate, potassium dihydrogen phosphate, magnesium sulfate heptahydrate, ammonium sulfate, ferrous sulfate heptahydrate, manganese sulfate tetrahydrate, copper sulfate heptahydrate, zinc sulfate heptahydrate and ammonium molybdate tetrahydrate; the root growth promoting agent is prepared from 3.84 mg to 5.76 mg of indolebutyric acid and 0.768 mg to 1.152 mg of naphthylacetic acid; and the organic salt is EDTA, the content of the EDTA is the same as the content of ferrous sulfate heptahydrate, and the EDTA and the ferrous sulfate heptahydrate act together to obtain chelated iron. The hydroponic nutrient solution for the Dracaena marginata can promote the increase and growth of new root systems, and realizes conversion from soil culture or matrix root culture to hydroponic root culture in a short time. The invention further provides a preparation method and application of the hydroponic nutrient solution for Dracaena marginata and a preparation method of a concentrated nutrient solution.

The invention relates to the field of electric appliance cabinets, in particular to an adjustable bedside television cabinet capable of being automatically cleaned. The adjustable bedside television cabinet comprises a cabinet body, a stretchable cavity is formed in the cabinet body, and a stretchable device used for enabling a television to extend out of the cabinet body is arranged in the stretchable cavity; and the stretchable device comprises a front second stretchable transmission cavity and a rear second stretchable transmission cavity with inward openings in the front end wall and the rear end wall of the stretchable cavity, and stretchable television sliding seats are arranged on the end walls of the lower sides of the front second stretchable transmission cavity and the rear second stretchable transmission cavity in a left-right sliding mode. The television cabinet is fixed in a wall body above a bedside and can automatically stretch out in use, when a user lies on the bed, the user can watch, and the watching experience is high; and an adjusting device capable of adjusting the watching angle is arranged, the watching requirements of different angles are met, flexibility and variability are achieved, the television screen can be automatically cleaned and swept after watching is finished, and dust is prevented from being accumulated on the screen.

The present invention relates to an ecological slope protective apparatus for rock-fill dams and dam slopes and applications thereof, belonging to the field of dam slope protection. A plurality of plant pipes described in the present invention are arranged spaced apart on a dam top and a dam slope, wherein the plant pipes are laid out horizontally, the two ends of the plant pipe being in communication via a fine polyvinyl chloride (pvc) pipe, the pvc pipe acting as a water charging pipe at one end of the plant pipe and acting as a water discharging pipe at the other end of the plant pipe; the plant pipe together with the water charging pipe and the discharging pipe constitute a pipe-net system; one side of the pipe wall of the plant pipe is provided with openings, each section of the plant pipe being in direct connection at the places of the openings, the left and right ports of the plant pipe at the rear end of each pipeline being closable via end lids which are provided with small holes thereon, the aperture of the small holes being equal to the pipe diameter of the water charging pipe or the water discharging pipe, one end being in connection with the water charging pipe, the other end being in connection with the water discharging pipe. The protective apparatus of the present invention greenizes dam bodies and does not impose influence upon the safety of the dam bodies.

The invention provides a nutrient solution for water culture of Dracaena surculosa. The nutrient solution comprises metal inorganic salt, organic salt, a root growth promoting agent, a nitrogen fertilizer and a boron fertilizer, wherein the metal inorganic salt comprises calcium nitrate tetrahydrate, monopotassium phosphate, magnesium sulfate heptahydrate, ammonium sulfate, ferrous sulfate heptahydrate, manganese sulfate tetrahydrate, copper sulfate heptahydrate, zinc sulfate heptahydrate and ammonium molybdate tetrahydrate, wherein the content of calcium nitrate tetrahydrate is larger than the content of monopotassium phosphate; the content of copper sulfate heptahydrate and the content of zinc sulfate heptahydrate are smaller than the content of manganese sulfate tetrahydrate; the root growth promoting agent comprises 6.4-9.6 mg of indolebutyric acid and 1.28-1.92 mg of naphthylacetic acid; and the organic salt is EDTA, the content of the EDTA is the same as the content of ferrous sulfate heptahydrate, and the EDTA and the ferrous sulfate heptahydrate act to obtain chelated iron. The nutrient solution for water culture of Dracaena surculosa can promote the increase and growth of new root systems, and realizes conversion from soil culture or matrix root culture to hydroponic root culture in a short time. The invention further provides a preparation method and application of the nutrient solution for water culture of Dracaena surculosa and a preparation method of a concentrated nutrient solution.

The invention relates to the technical field of simulation plants, in particular to a simulation plant capable of changing color and emitting light. The simulation plant is prepared by adopting the following steps: a, preparing a color-change light-emitting paint; b, preparing multiple pieces of white cloth, and pretreating the white cloth; c, spraying the color-change light-emitting paint to the white cloth in the step b by using an automatic spraying line, and drying the white cloth; d, stamping the printed and dyed cloth in the step c; e, shaping the color-change light-emitting cloth in the step d; f, hand-making the shaped cloth in the step e into a finished product. Compared with the prior art, the simulation plant has the beneficial effects that the simulation plant can present different colors along with the continuous change of light and automatically emit light in dark night, and thus can meet the admiration demands of people on different flowers, improve the life quality of people and provide more convenience for life of people.

An auxiliary device for software development disclosed by the present invention comprises a pedestal, a work placement assembly, a display clamping assembly and a data placement rack; the work placement assembly is arranged on the pedestal, the display clamping assembly is symmetrically arranged on the work placement assembly, and the data placement rack is arranged at the upper middle part of thework placement assembly. The work containing assembly comprises an inner sliding base, an outer sliding base, a containing supporting table, a host containing sliding plate, a data storage frame, a work table top and a containing box. The invention belongs to the technical field of software development assistance, and particularly relates to a data storage rack which facilitates placement of a host, maintenance and checking of the host, dissipates heat of the host, provides various placement and storage racks, can store a large amount of data, flexibly and conveniently clamps displays, can use two displays at the same time, provides the data storage rack. and is convenient for looking up data during software development. The invention further discloses a using method of the auxiliary device for software development.