123results about How to "Does not increase power consumption" patented technology

The invention discloses a display method, a display system and a mobile terminal. The display method includes the following steps: turning off a screen of the mobile terminal, wherein a display interface in a screen off state has a display area which is maintained in a lightened state; when the mobile terminal receives new unprocessed information, displaying the unprocessed information in the display area; detecting whether the mobile terminal receives a double-click triggering signal or a starting instrument or not; if the double-click signal or the starting instruction is not detected by the mobile terminal, continuously displaying received information in the display area; if the double-click signal or the starting instruction is detected by the mobile terminal, reading specific content of received information, wherein the display area does not display the information any more when the screen of the mobile terminal is turned off after reading. The display area during screen extinguishing is set, so that starting is not needed; when the screen of the mobile terminal is turned off, important information is displayed in part area of the screen, so that flexibility of operation is improved greatly.

The invention relates to the technical field of steam generators, in particular to a steam generator of an annealing furnace and a control method thereof. The steam generator of the annealing furnace comprises an electric heating device twisted with resistance wires, a built-in dry combustion liner, a PLC controller, a water supply device, a thermocouple, and a steam distributor communicated with an inner chamber of a steam oven. The steam generator of the annealing furnace can better utilize heat brought by wires, avoids the waste of water and electric energy caused by overflow, improves the stability of steam, simplifies structure, is easy to operate, and reduces manufacturing cost and maintenance cost.

The invention discloses an adsorbing unit with automatic switching behavior and an adsorbing device. The adsorbing device comprises more than three adsorbing units, an air cavity, an air suction element, a motor and a bottom plate bracket, wherein all the adsorbing units are fixedly arranged on the bottom plate bracket; conduits of all the adsorbing units are communicated in parallel through the air cavity; and the air suction element is connected to an outlet of the air cavity and is driven through the motor to suck air from the air cavity, so that negative pressure is formed in the adsorbing device. According to the adsorbing unit and the adsorbing device, whether the situation of a contacted wall face is good or bad can be sensed under a complex wall face working environment, a response is made instinctively, reliable adsorption of the entire device is realized, and complex working environments can be flexibly and reliably adapted.

The invention relates to a precompensation method for in-band group delay fluctuation of a satellite navigation signal generating system, which comprises the following steps: (1) measuring a combined S parameter of a modulator, a filter and an amplifier in the satellite navigation signal generating system, and determining amplitude-frequency and group delay characteristic of the combination of the three devices; (2) counting the group delay characteristic of a precompensation filter according to the combined group delay characteristic; (3) obtaining the phase-frequency characteristic of the precompensation filter; (4) setting the phase-frequency characteristic of the precompensation filter to be an inverse Sinc function; (5) obtaining a system function of the precompensation filter according to the amplitude-frequency characteristic and phase-frequency characteristic of the precompensation filter; (6) obtaining a unit impulse response function of the precompensation filter; (7) setting a threshold value, and setting the quantity in the unit impulse response function, which is smaller than the threshold value, to be zero to be as a coefficient of the precompensation filter; and (8) realizing the precompensaiton filter in a digital standalone of the satellite navigation signal generating system by using the coefficient of the precompensation filter, so as to compensate the group delay fluctuation of the satellite navigation signal generating system.

The invention relates to a sensor, and particularly relates to thin-film magnetoresistive sensor, in particular to a sensor used for the equivalent detection of current, the position, the movement angle and the angular speed in a magnetic field. According to the technical scheme provided by the invention, the thin-film magnetoresistive sensor comprises a seed layer, a reference layer, a non-magnetic isolation layer and a free layer, wherein the reference layer is positioned on the seed layer and generates a first exchange coupling field; the non-magnetic isolation layer is positioned on the reference layer and isolates the reference layer and the free layer; and the free layer is positioned on the non-magnetic isolation layer, inducts the change of an external magnetic field and generates a second exchange coupling field, and the second exchange coupling field and the first exchange coupling field are mutually vertical. The invention has small hysteresis, high measurement accuracy and linearity, adjustable linear range, simple manufacturing process, high response frequency, low manufacturing cost and strong anti-jamming capability.

The invention provides a direct-current input end inverted connection protecting circuit. The direct-current input end inverted connection protecting circuit comprises a controllable disconnection accessory, a voltage detecting unit and a control unit, wherein the controllable disconnection accessory is connected between a direct-current input end and a rear-stage circuit; the voltage detecting unit is connected between a positive pole and a negative pole of the direct-current input end in parallel, and is used for detecting voltage signals between the positive pole and the negative pole of the direct-current input end and transmitting a detection result to the control unit; and the control unit is respectively connected with the voltage detecting unit and the controllable disconnection accessory, is used for judging whether the positive pole and the negative pole of the direct-current input end are in inverted connection or not according to the detection result of the voltage detecting unit, controls the controllable disconnection accessory to perform disconnection if the positive pole and the negative pole of the direct-current input end are in inverted connection, and controls the controllable disconnection accessory to perform connection if the positive pole and the negative pole of the direct-current input end are connected with each other correctly. Correspondingly, the invention provides direct-current input equipment and a direct-current input end inverted connection protecting method. Compared with the prior art, the direct-current input end inverted connection protecting circuit has the advantages that the cost can be reduced, and the power consumption of a system can also be reduced.

The invention discloses an energy-saving air conditioning unit having an automatic heat recovery controlling function. The energy-saving air conditioning unit solves the problems that existing constant-temperature constant-humidity air conditioning units are high in usage cost and wasteful in energy after being used. The air conditioning unit comprises a refrigerating unit, the refrigerating unit is composed of a compressor, a condenser, a liquid storage pot, a drying and filtering device, an expansion valve and an evaporator which are connected through conveying pipelines sequentially, the evaporator is in back connection with the compressor, and simultaneously, the air conditioning unit is provided with a reheating unit which is in parallel connection with the pipeline between the compressor and the condenser. The air conditioning unit is simple in structure and convenient to use, the power of electrical heating is cancelled due to the application of the technology, the heat which is to be dissipated outdoors is directly led into a room, the requirements of the room for the temperature and the humidity are met, the electrical load is reduced, and energy conservation is achieved, so that the air conditioning unit has high practical values and promoting values.

The invention relates to a photochromic polaroid that can be applied to an organic light-emitting display apparatus and is especially suitable for the organic light-emitting transparent display device. On the condition of exposure in a weak-light environment, the photochromic component contained by the photochromic polaroid is in a normal state basically and in a transparent state approximately and has the high light transmittance; and thus the photochromic polaroid has the high light transmittance, thereby improving the brightness of the display apparatus without increasing the power consumption of the display apparatus and influencing the service life of the apparatus. And on the condition of exposure in a high-light environment, the photochromic component contained by the photochromic polaroid changes the color to absorb external light; and the polarized light effect is realized, so that the emission of external reflected light can be suppressed and the contrast ratio of the display apparatus can be improved obviously.

The invention discloses a method for discovering small stations based on graph coloring in an ultra-dense wireless network. The method comprises the steps that the number of small station groups, namely the available color number Ncolors, is determined by an operator; a multiplex distance dreuse which is as big as possible is found under the premise that the used color number is not larger than the Ncolors; an interference relation graph is established according to the dreuse, and a Brelaz algorithm is used for coloring; the small stations are grouped according to coloring results, and all groups of small stations are made to send synchronous signals in turn; when network topology changes, the interference relation graph is reestablished, coloring is conducted again, the small stations are regrouped, and the small stations are made to send synchronous signals in turn according to the new groups. According to the method, the small stations are grouped, the interference of the synchronous signals of different small stations is reduced; the interference relations between the small stations are reflected through the interference relation graph, so that the small stations which interfere with each other seriously are prevented from being distributed in the same group, and the interference between the small stations is further reduced; the probability that UE discovers weak small stations is improved, and the number of the small stations discovered by the UE is increased.

The invention provides a screen adjusting method and device, as well as a terminal. The method comprises the steps of: monitoring whether a current screen is in a reading mode or not; if yes, adjusting an interval time period of automatically turning off the screen; or if no, maintaining a preset interval time period of automatically turning off the screen. Through adoption of the method and the device, a reading mode of a user is recognized by intelligently detecting, analyzing and learning an event input by the user, and the terminal screen is set according to learned data, so that a scheme in which the setting is matched with actual use of the user is realized, and a problem in related arts that the user experience is influenced by automatic turning off of the screen, is solved, thereby not only improving the user experience, but also avoiding power consumption increase.

The invention relates to a node awakening method of a wireless communication system, the wireless communication system and equipment. The method comprises the following steps: receiving a wake-up codecombination packet sent by a master node when a slave node is in a wake-up detection state, wherein the wake-up code combination packet is sent in a preset time period when the master node has a communication demand, and consists of a plurality of basic units, wherein each basic unit consists of a lead code and an address code, the lead code is composed of two same spread spectrum symbols of linear frequency modulation, and the address code adopts one spread spectrum sequence in a pseudo-random spread spectrum sequence code group; enabling the slave node to detect spread spectrum symbols of linear frequency modulation in the wake-up code combination packet; continuing to detect the spread spectrum sequence of the address code when the slave node detects that the spread spectrum symbol oflinear frequency modulation is successfully detected; and enabling the slave node to enter a formal wake-up state from a wake-up detection state when the slave node detects that the spread spectrum sequence of the address code is successfully detected, and receiving data sent by the master node. The method can save power consumption.

The invention discloses a current bias circuit comprising a first current mirror, a second current mirror and a bias path. The first current mirror comprises a first PMOS pipe and a second PMOS pipe working as a mirror image to each other; the second current mirror comprises a first NMOS pipe and a second NMOS pipe working as a mirror image to each other; drain currents of the first PMOS pipe are connected with drain currents of the third PMOS pipe and the first PMOS pipe to form a first current path; drain currents of the second PMOS pipe are connected with drain currents of a third NMOS pipe and the second NMOS pipe to form a second current path; the first PMOS pipe and the third PMOS pipe form a first co-source co-grid structure; the second NMOS pipe and the third NMOS pipe form a second co-source co-grid structure; a bias path provides grids from the first bias voltage to the third PMOS pipe; and a current output end of the bias path is grounded via a first resistor. By the use of the current bias circuit, resistance area can be reduced and cost can be lowered.

The invention discloses a method for calculating the electric quantity of a lithium-manganese disposable battery in a super-long standby tracker and the tracker. The method comprises the steps of s1,GSM assigning an initial value to electric quantity of a first battery or a second battery if a single-chip microcomputer shows a power-on reset mark, and the acquired voltage of a battery is larger than a first preset voltage value; s2, calculating the power consumption percentage of the battery after the initial value of the electric quantity is assigned to the first battery; s3, assigning the remaining electric quantity of the battery; s4, calibrating the remaining electric quantity of the battery if the recollected voltage of the battery is smaller than the first preset voltage value, andotherwise, assigning the remaining electric quantity of the battery again; s5, determining whether the replacement battery criterion is met or not, and if so, returning to the s1, and if not, the stepcorresponding to assigning the remaining electric quantity of the battery; calibrating the remaining electric quantity of the battery after the initial value of the electric quantity of the second battery is assigned, and then determining whether a new battery is replaced or not. The tracker does not need to add a new device, so that the electric quantity calculation can be realized, and the calculation precision is high. The intelligent learning can be carried out according to historical data statistics stored in the GSM.

The invention discloses a method for keeping the high precision of a real time clock circuit, and relates to the correction technology in the field of a real time clock. Aiming at the frequency shift caused by the circuit aging, the crystalloid aging and the like when the real time clock circuit is used, the method is used for adjusting an oscillation circuit of the real time clock circuit according to the deviation between the input standard second pulse and the output second pulse generated by the real time clock circuit to lead the real time clock circuit to be always kept at a high precision. The method has the advantages that the real time clock circuit can be automatically adjusted in the normal use, the manual maintenance time and cost are reduced, and the circuit is kept at the high precision and the exact time, thereby being particularly suitable for the real time clock circuit used in navigation equipment.

The invention provides a capacitive charging current control circuit. The circuit comprises a circuit switch, a filter capacitor and a control circuit. One end of the circuit switch is connected with the ground, a positive plate of the filter capacitor is connected with a power supply, and a negative plate of the filter capacitor is connected with the other end of the circuit switch. The control circuit is connected with a control end of the circuit switch and sends control signals to control on resistance of the circuit switch. The circuit switch controlled by gate voltage is added between the filter capacitor and ground connection, thereby achieving the aim of controlling charging current of the filter capacitor, adding no more power consumption after a chip is started normally, and being not capable of influencing working performance of the filter capacitor.

The invention relates to a single event transient disturbance reinforced latch circuit and belongs to the field of circuit design. The single event transient disturbance reinforced latch circuit comprises a first lowpass filter unit and a latch. First way data input of a data input end is connected with a first input end of the latch. Second data input of the data input end is connected with a second input end of the latch through the first lowpass filter unit. The first lowpass filter unit is a circuit unit which is composed of a passive device and is used for removing a high-frequency signal. The first lowpass filter unit for removing the high-frequency signal is composed of the passive device, the filter capacity only needs to be greater than the maximum pulse width produced by single event transient disturbance, the working frequency of the latch circuit is not influenced, and a circuit structure is simple. The passive device itself does not produce the single event transient disturbance and an area and the power consumption of a storage unit are not increased, so the single event effect resistance of logic circuits such as the latch and a trigger can be effectively improved.

The centrifugal force controlled variable displacement vortex compressor has vortex static disc and vortex dynamic disc matched each other and installed inside the casing, and has also eccentric sleeve, front cover, and clutch belt wheel to drive the crankshaft. The vortex static disc and the vortex dynamic disc are matched to form crescent sucking cavity, crescent middle cavity, and crescent central cavity connected to the air inlet of the exhaust valve. The present invention features that at least one flow rate regulating valve is installed in the vortex dynamic disc and the flow rate regulating valve has its air inlet communicated with the crescent middle cavity or the crescent central cavity and discharge hole communicated with the crescent sucking cavity. The present invention alters the displacement of the vortex compressor mechanically and has the aadv of simple structure, convenient installation and reliable operation.

The invention discloses a method and device for tracking the service life of electronic and electrical products. In the device, a RFID (Radio Frequency Identification Device) microchip provided with an antenna coil is connected on a working power supply of an electrical product; the RFID microchip is used for recording and calculating the start times and accumulated working time of the working power supply of the electrical product and storing the start times and accumulated working time in a self-carried EEPROM (Electrically Erasable Programmable Read-Only Memory); read-write equipment matched with the RFID microchip approaches the antenna coil, and writes or reads data in the EEPROM through an RF (Radio Frequency) air interface; therefore, the tracking and the acquisition of data information of the service life of the electrical product are realized by adopting RFID means without changing the hardware structure of a circuit of the electrical product; moreover, the device has the advantages of extremely low power consumption, tiny volume, low investment, convenience for installation and simplicity and quickness for operation; the power consumption of the electrical product cannot be increased; the device can be arranged and adhered to the insides of plastic shells of various electrical products; the test result can be obtained as the test is carried out, so that the result is clear; and convenience is provided for the service-life tracking statistics and after-sale maintenance services of the electrical product.

The invention provides a method and an application for positioning system-on-chip temporal logic errors, and an error rate calculation method. When positioning a system-on-chip temporal logic error, a same test instruction and / or data are / is input into a P-level scan chain, an N-level pipeline and a Q-level scan chain through PAD ports under the same test condition, and test on the test instruction and / or data is achieved through controlling a scan chain enable signal. During the error rate calculation, an error rate of the test instruction and / or data in the environment is obtained according to all processing results. During the reduction of the error rate, a first test instruction and / or data replaces a second test instruction and / or data and achieves the function the same as that of the test instruction and / or data when a processor executes the second test instruction and / or data in the application. The user selects a chip within an error occurrence rate range acceptable by the user according to his application requirement, thereby saving cost and satisfying requirements of the user.

The invention discloses an injection locking frequency divider circuit based on a variable inductance value, and belongs to the field of radio frequency and millimeter wave terahertz integrated circuit design. The circuit comprises five NMOS transistors, two capacitors and two inductors. A first current loop is formed by the inductors and a first transistor. A second current loop is formed by the other four transistors, two capacitors and a differential inductor. Coupling effect is generated between the two current loops through the two inductors. The inductance value of the circuit can be adjusted by switching the first transistor. Therefore, the frequency division range of a frequency divider is improved. According to the circuit, on the premise that the power consumption is kept unchanged, compared with the prior art, the circuit has the advantages that the frequency division range of the frequency divider is improved to a great extent, the wider frequency division range is provided in low power consumption, and the performance of a transceiver is improved.

The invention relates to the field of integrated circuits and discloses a grid voltage bootstrapped switch with low on-resistance and a substrate bias effect elimination method thereof. According to the invention, a substrate of M1 which plays a switch role is not in direct short-circuiting with a source end of the M1 and is connected with the source end of the M1 through a control switch; when a grid voltage bootstrapped circuit is in a precharging mode, the control switch is at an turn-off state; and when the grid voltage bootstrapped circuit is in a bootstrapped mode, the control switch is at a turn-on state. Therefore, when the grid voltage bootstrapped circuit is in the precharging mode, the substrate of the M1 is grounded equivalently to ensure the thorough turn-off of the M1; and when the grid voltage bootstrapped switch is in the bootstrapped mode, the substrate of the M1 is communicated with a drain end of the M1 through the control switch, so that the substrate bias effect is eliminated, and the on-resistance of the switch M1 is kept unchanged no matter how many input signals are.

The invention discloses a data driver comprising two data processing circuits and a multiplexer circuit. The two data processing circuits respectively provide a positive pixel voltage and a negative pixel voltage according to first pixel data and second pixel data. The multiplexer circuit comprises a plurality of multiplexer units, a first input end and a second input end thereof receive the positive pixel voltage and the negative pixel voltage, respectively, and the output end is coupled to a data wire. The first and second switches of a first switcher are connected in series between the first input end and the second input end, a node between the two switches is selectively grounded via a third switch. The fourth and fifth switches of a second switcher are connected in series between the second input end and the output end, a node between the two switches is selectively grounded via a sixth switch. When the first and the second switches are turned on, the sixth switch is turned on. When the fourth and fifth switches are turned on, the third switch is turned on.

The invention provides a Doherty power amplifier based on dynamic power distribution. The Doherty power amplifier comprises a dynamic power distributor, two common-source amplifiers and a power combiner which are connected in sequence, the two common-source amplifiers comprise two two-stage differential common-source amplifiers, eight neutralizing capacitors and two inter-stage matching transformers, the neutralizing capacitors are arranged at the differential input and output ends of the amplifiers in a crossed mode, and the inter-stage matching transformers are arranged between the first stage and the second stage of the main path amplifier and between the first stage and the second stage of the auxiliary path amplifier respectively; the dynamic power divider comprises three inductance coils and four capacitors, and the power combiner comprises three inductance coils. According to the dynamic power divider, through a load modulation effect, the power distribution ratio of a signal toa main circuit amplifier and an auxiliary circuit amplifier is changed when an input signal changes, so that the overall linearity of a circuit is improved; a three-coil coupled power combiner is used for replacing a traditional quarter-wavelength line structure, and the overall bandwidth of the circuit can be guaranteed while the load traction effect is generated.

The invention provides a micro-grain light emitting diode display panel, wherein the display panel comprises a flexible substrate, a plurality of light emitting diodes which are distributed in an array form, a diffraction grating and a light scattering film which are arranged at the upper sides of the plurality of light emitting diodes, and a plurality of light valves which are arranged at the upper side of the light scattering film, wherein the flexible substrate comprises a drive circuit, and the plurality of light emitting diodes are fixed to the flexible substrate; the drive circuit is connected to the plurality of light emitting diodes and is used for driving the light emitting diodes to emit white light; the diffraction grating is used for splitting the white light which is emitted by the light emitting diodes, so that various emergent lights which are different in wavelength can be formed; the light scattering film is used for gathering the emergent lights which are same in wavelength and for scattering the emergent lights which are different in wavelength, so that primary light in at least one color is formed; and the plurality of light valves are used for regulating intensity of the primary light. The display panel provided by the invention can become lighter and thinner and can guarantee flexibility, without increase in power consumption of the display panel.

The invention discloses a millimeter wave frequency multiplier circuit based on a relationship between active millimeter wave frequency multiplier base bias voltage and fundamental wave input signal power amplitude. A fundamental wave signal input end is connected with a radio frequency coupler, a straight-through end of the radio frequency coupler is connected with input matching, and a couplingend is connected with a radio frequency detector. One end of a primary coil of the millimeter-wave transformer is connected with an input matching output end, and the other end is grounded. The outputend of the radio frequency detector is connected with the input end of the single-chip microcomputer control system. The output end of the single-chip microcomputer control system is connected with aradio frequency center virtual ground point of a secondary coil of the millimeter wave transformer. The two ends of the secondary coil are connected with the two base electrode ends of the frequencymultiplication core respectively, the two emitting electrodes of the frequency multiplication core are connected with the output matching input end, and the output matching output end is connected with the harmonic signal output end. The harmonic output signal power of the active millimeter wave frequency multiplier can be improved, the conversion efficiency from direct current to radio frequencysignals can also be improved, and meanwhile, the power consumption of the active millimeter wave frequency multiplier cannot be increased.

The invention discloses a control method, device and system of an air-conditioner rotation housing and an air conditioner. The method comprises the steps that control instructions are monitored in the process of controlling the air-conditioner rotation housing to be closed, wherein the control instructions include at least one of an instruction produced when the rotation housing touches a target object before closing and an input instruction received by the air conditioner and used for controlling the operation of the rotation housing; if the control instructions are monitored, the rotation housing is controlled to operate according to preset action parameters, and the preset action parameters include operation direction, operation speed and / or operation interval time. The technical problem that in the prior art, when the air conditioner is closed, closing of the rotation housing of an air conditioner panel easily causes mechanical clamping injuries is solved.

The invention relates to a node address coding method of a wireless communication system, the wireless communication system and equipment. The method comprises the following steps: receiving a wake-upcode combination packet sent by a master node when a slave node is in a wake-up detection state, wherein the wake-up code combination packet comprises a first address code combination packet and a second address code combination packet, the first address code combination packet comprises a plurality of first address codes, the first address codes comprise a first lead code and a second lead code,and the second address code combination packet comprises a plurality of second address codes; enabling the slave node to detect the first lead code and the second lead code of a first address code inthe wake-up code combination packet sent by the master node; continuing to detect the spread spectrum sequence of the second address code when the slave node detects that both the first lead and thesecond lead are successfully detected; and enabling the slave node to enter a formal wake-up state from a wake-up detection state when the slave node detects that the spread spectrum sequence of the second address code is successfully detected, and receiving data sent by the master node. The method can save power consumption.