1391results about How to "No additional cost" patented technology

The invention discloses an infrared touch screen and multi-point touch positioning method. That is, at least one touch-screen direction detection, a set of infrared emission scanning circuit corresponding two infrared receiver scanning circuit; a set of infrared emission scanning circuit of an infrared launching the beam of light emitted by the components of a scanning infrared receiver circuit in an infrared receiver components of the receiver at the same time, in the receiving area also receive another set of infrared scanning circuit components of the receiver to receive an infrared detection in infrared touch screen The algorithm process that could be used to determine in advance the scope of touch point touch-point detection algorithm module. The present invention generally use the touch position detection algorithm is a touch location coordinates point to touch another pre-detection algorithm to determine touch point in the region, in combination with detection algorithm is usually the touch location coordinates. The invention can identify two or more touch operation, while more effective identification can touch position.

This invention discloses an infrared touching screen and the multi-spot touching localization method, in an examination direction, the ray of light send out by the infrared emission part on the infrared emission sweep circuit not only can be received at least by one infrared sweep circuit's infrared receive part which is vertical to the part's position, but may also be received by another inclined relative infrared receive sweep circuit's infrared receive part at least which is deviated vertical to the part's position. Thus, in a scanning period, the ray of light send out by an infrared emission part may be received by two different position infrared receive parts in the different time, through a checking calculation between touching possible coordinate figure and location parameter, then may determine each touching position data, this invention realizes the multi-spot localization scanning examination method to be simple, the touching position data computation convenient, accurate, reliable, the circuit wafer type is few, the shape is rule, easy to realize the large scale production, does not have the complex succession corresponding relationships, easy to realize.

Provided is an appliance for cooking and/or reheating food, which includes: a housing having a cooking vessel arranged such as to receive the food to be cooked and/or reheated, and a circuit for heating by ventilation including an air duct arranged such as to channel and direct a flow of hot air onto the food to be cooked and/or reheated, wherein the air duct has at least one cross-section in which a geometric size of the channeled air flow is limited such as to reduce a turbulence of the air flow flowing downstream from said at least one section of the air duct.

A steering column assembly (10) of the collapsible type includes a mounting plate (30) for rigid attachment to a vehicle body structure. The mounting plate (30) supports the steering column (12) during normal operation through interconnecting release capsules (24) which allow the steering column (12) to collapse, away from the rigidly attached mounting plate (30), during a frontal collision. An energy absorbing tear strip (44) in formed integrally in the mounting plate (30) and is connected via tab (43) to a fixed connection (42) which adjoins a portion of the column bracket (18). The column bracket (18) moves together with the steering column (12) during a collapse situation. The tear strip (44) simultaneously bends and tears in a peeling fashion as the steering column (12) collapses to provide energy absorption for the assembly (10). The transverse cross-sectional area of the tear strip (44) can be varied along its length to tune the energy absorption force exhibited by the tear strip (44) throughout the collapsing stroke.

The invention provides a slope starting anti-car-sliding control system and method thereof. The control system comprises a signal input unit, a whole car controller and a motor controller, wherein the signal input unit comprises a gear device, a brake pedal and an accelerator pedal; the gear device, the brake pedal and the accelerator pedal are respectively connected with the whole car controller, and are used for inputting the driving motor rotating speed, the accelerator pedal or brake pedal opening degree and the gear signals of a car into the whole car controller; the whole car controller is connected with the motor controller; the whole car controller feeds back instructions corresponding to slope starting anti-sliding mode starting or ending to the motor controller according to parameters of the signal input unit. On the basis of not changing the operation of a driver, the backward sliding distance of the car is enabled to be in a safe distance, and the safety of the car is improved.

The invention discloses an anti-peeping code authentication method and an anti-peeping code authentication system based on biological metering characteristics. When a user inputs each code, the biological metering characteristics, namely touch screen pressing degrees of the user, can be authenticated. Furthermore, after the user inputs each code, feel that the user is not peeped can be fed back. The anti-creeping code authentication method and the anti-creeping code authentication system based on biological metering characteristics can effectively prevent peep, enhances code input safety, is convenient and quick to achieve, and can be widely applied to code authentication systems of equipment of mobile phones based on touch screens, automatic teller machine (ATM), tablet computers, access control systems and the like.

The invention relates to a method for suppressing the torque ripple of a permanent-magnet motor based on space vector modulation. The method comprises the following steps of: adopting a vector control strategy that a permanent-magnet motor has a zero direct axis current so that electromagnetic torque and a quadrature axis armature current form a linear connection; and solving an additional quadrature axis injection harmonic current according to the linear connection of the electromagnetic torque of the permanent-magnet motor and the quadrature axis armature current so that an additional electromagnetic torque high-harmonic component generated by coupling the quadrature axis injection harmonic current and the direct axis permanent-magnet chain and fundamental and high-harmonic components in the orientation torque of the permanent-magnet motor have identical amplitude and opposite phases and can be mutually counteracted to suppress the torque ripple. The invention adopts the permanent-magnet motor as an implementation object, and the motor of the type can adopt advanced control protocols of vector control, direct torque control, and the like so that the method is simple and practical by editing control software without increasing the hardware cost of a control system and can obviously suppress the torque ripple of the motor and remain the constant motor characteristics of idling magnetic potential, torque output capability, and the like.

The invention relates to the technical field of software, in particular to a method for fast searching a database. Service data are cached and checked layer by layer by allocating a set of service data temporary tables, and the query result is cached into the memcache through the memcache; when the query is carried out again, data can be accessed in the memcache through a key value. Due to the fact that the memcache is an internal storage object suspected caching system, the query speed is higher, and the operation efficiency for the database is higher. A timer is used for cleaning the memchace, and the most complete data result body is obtained through the query. The method can be widely applied to database query services of software products.

The invention provides a voiceprint based identity recognition method and device. The voiceprint based identity recognition method comprises the steps of prompting a user to input a voice password when a service application request requires the user to confirm identity information; receiving the voice data of the user and converting the voice data into text information; matching the text information with text information in a preset voice password set by each use in a user list in advance; acquiring a voiceprint feature of the user if the voice password is successfully matched; matching the voiceprint feature with a voiceprint feature set by each user in the user list in advance, and acquiring a matching degree; and confirming the identity of the user is successful recognized if the matching degree is greater than a preset recognition threshold. The voiceprint based identity recognition method realizes recognition for the identity of a user through voice and voiceprint, and is convenient to implement, accurate in recognition and high in safety.

The invention relates to an infrared touch screen, wherein on at least on detection direction, an infrared emitter and two infrared receivers are deflected toward the center of a touch screen to inverse the directions of the infrared emitter and the infrared receivers to form crossed relation. The invention further provides a multipoint touch positioning method of the infrared touch screen, which comprises (a), respectively initializing the infrared receiver vertical with the infrared emitter and the infrared receiver inclined and opposite with the infrared emitter, (b), vertically scanning and detecting, comparing with vertical initialized value, (c), calculating the possible position coordinate of each touch point, (d), processing inclined scanning detection to be compared with inclined initialized value, (e), determining the relation expression between the real coordinates X, Y of the touch point, checking the possible coordinates calculated in the step (c) in the relation expression, and determining the position coordinate of each touch point. The invention has simple structure and low cost, which can realize accuracy multipoint touch positioning.

The invention provides an anti-counterfeiting method by utilizing an intelligent mobile phone to identify code saw-teeth. The method comprises the steps of amplifying and photographing saw-teeth of a product code and image-text margin; storing the photographed saw-tooth characteristic information into an anti-counterfeiting system database to be used as anti-counterfeiting characteristic filing information. The method is simple and easy to implement, and for the user product of the existing drug electronic supervision code, the amplified picture of the saw-teeth is stored when the product is under the automatic quality inspection and is used as the anti-counterfeiting characteristic filing information to be stored. By implementing the method, the equipment investment is not increased, the procedure is not increased, the cost is not increased, an effective anti-counterfeiting function of the product can be realized, and the bug of the digital anti-counterfeiting technology such as the telegram code anti-counterfeiting technology can be blocked up.

Embodiments of the invention provide a data writing method and apparatus, a data reading method and apparatus, and a cloud storage system. The data writing method comprises the steps of receiving a data writing request by an access node; when an available management node cannot be obtained, identifying domain identifier information contained in the data writing request, and according to the domain identifier information, querying a pre-stored index, wherein the index contains a corresponding relationship between a resource pool and the domain identifier information; identifying the target resource pool matched with the domain identifier information, wherein each resource pool contains at least one storage server; and from the at least one storage server contained in the target resource pool, determining one storage server as a target storage server, and writing to-be-written data in the target storage server. According to the data writing method and apparatus, the data reading method and apparatus, and the cloud storage system, the cloud storage system still can normally run when all management nodes are faulted or a management node cluster network is abnormal, and the additional cost does not need to be increased.

The invention relates to a condensation prevention control method of an air conditioner, which comprises the following steps: 1, judging the following conditions after starting up: a, whether the set air speed is at a top grade or not; b, whether a compressor is started for the set time T1 or not; c, whether the indoor temperature is more than or equal to the set temperature Ts1 and is less than or equal to the set temperature Ts2 or not; d, whether the temperature of an indoor machine evaporator is more than or equal to the set temperature Ts3 and is less than or equal to the set temperatureTs4 or not; if one or more conditions are met, executing the step 4, otherwise, executing the step 2; 2, judging whether the actual operational mode is a refrigeration or dehumidification mode, if not, executing the step 4, if yes, continuously judging whether the compressor is started or not, if yes, executing the step 3, otherwise, executing the step 4; or firstly judging whether the compressor is started or not, if not, executing the step 4, if yes, continuously judging whether the actual operational mode is a refrigeration or dehumidification mode, if yes, executing the step 3, otherwise, executing the step 4; 3, opening an electric heating tape by the air conditioner, and executing the step 1; and 4, closing the electric heating tape by the air conditioner, and executing the step1.

The invention provides an air conditioner filth blockage detecting method and device and a computer readable storage medium. The air conditioner filth blockage detecting method comprises the steps that an air conditioner is controlled to operate when a filth blockage detecting instruction is received, and under the situation that the current indoor temperature is not changed, the first time interval of reducing a preset temperature value of an indoor heat exchanger in the air conditioner is calculated; the current indoor temperature of the air conditioner is obtained, the standard time interval of reducing the preset temperature value of the indoor heat exchanger is determined according to the current indoor temperature in pre-stored data; and the first time interval is compared with the standard time interval, and whether filth blockage of the indoor heat exchanger occurs or not is judged according to a comparative result. According to the air conditioner filth blockage detecting method, by comparing the first time interval with the standard time interval, whether filth blockage of the indoor heat exchanger occurs or not is judged; and operation is simple, any cost does not need to be increased, and the technical problem that an existing air conditioner filth blockage detecting method is high in cost is solved.

The invention discloses a coiling method for preventing hot rolling strip steel from being flatly coiled. The coiling method comprises two stages: the first stage: the strip steel is rolled from a finishing mill and then cooled through laminar flow and enters a coiling machine for coiling to obtain a steel coil, wherein the coiling temperature is 500-600 DEG C; and the second stage: the coiled steel coil is remained for 20-60s on a coiling machine mandrel. The coiling method for preventing the hot rolling strip steel from being flatly coiled can effectively improve the flat-coiling problem generated after the hot rolling strip steel is coiled, and has the advantages of easiness in implementation, no additional cost and remarkable effect.

The invention discloses a primary frequency modulation coordination control method for a wind turbine generator set, and the method comprises the following steps: 1, measuring the system frequency andfrequency change rate of the grid-connected point in real time; 2, performing load shedding control of the set through pitch changing, so that the wind turbine generator set has stable active frequency modulation capacity under different wind conditions; 3, introducing an additional torque compensation link through rotor kinetic energy control, and enabling the wind turbine generator set to havefast active response characteristics; 4, rotor kinetic energy and power backup coordinated control achieving the rapid and continuous response of the wind turbine generator set to the system frequency change trough the rotor kinetic energy and power standby coordination control. The method is applicable to each wind speed, and can achieve the same standby capacitor under different wind speeds, sothat the primary frequency modulation capability of a fan is no longer restricted by the wind speed.

The invention discloses a meter reading recognizing method which includes steps of area cutting, confirming of an integer digit and decimal place boundary, optical character recognition (OCR) digital image recognition, carry bit number recognition and the like. The invention further discloses a meter self-service reading system and a reading method thereof. The meter self-service reading system is provided with a mobile terminal combination application (APP), a meter with identification information and a cloud service platform which form a self-service mobile internet meter reading system together. A mobile terminal operates the APP to recognize the identification information and recognize and collect the meter reading information of a meter in non-contact mode by taking a picture, and position information of operation is obtained. The mobile terminal is networking with the system cloud service platform through an in-built communication function of the mobile terminal, the cloud service platform is networking with relevant network centers of service providers such as water, electricity, gas and heat through a wide area network, and data uploading and information exchanging are conducted between the mobile terminal and the cloud service platform. The meter reading recognizing method, the meter self-service reading system and the reading method are convenient and effective, extra cost is not required to be added for users.

The invention discloses a medical information management system based on a two-dimensional code and a cloud service. The medical information management system comprises an information acquisition module, a payment module, a two-dimensional code generation module and a cloud-side data management module. The information acquisition module is used for acquiring all examination and diagnosis and treatment information of a hospital and compressing and encrypting the information and then storing the information in a cloud-side database. The payment module is used for generating a two-dimensional code with a payment function for each piece of examination and diagnosis and treatment information in the cloud-side database for a user to complete payment. The two-dimensional code generation module is used for generating a unique identity two-dimensional code for the user completing payment. The cloud-side data management module is used for establishing a cloud platform for saving the examination and diagnosis and treatment information, managing the examination and diagnosis and treatment information of the user in the cloud-side database and browsing, downloading, management and uploading for the user. The invention also discloses a medical information management method based on the two-dimensional code and the cloud service.

The invention provides a method and system for playing home media videos and a mobile communication terminal. In the method, the mobile communication terminal and a set-top box are connected with wireless fidelity (WIFI) equipment. The method comprises the following steps: the mobile communication terminal sends a play request to the set-top box via the WIFI equipment, wherein the play request comprises the intemet protocol (IP) address and the port of the mobile communication terminal and also comprises the program information of the play request; after receiving the play request, the set-top box obtains the transport stream (TS) corresponding to the program information from a video server and sends the TS to the mobile communication terminal corresponding to the IP address and the port via the WIFI equipment; and the mobile communication terminal decodes and plays the received TS. The scheme of the invention can adopt the mobile communication terminal to play the TV programs under the condition of no extra expenses.

The invention relates to a DC distribution system energy storage device adaptive virtual impedance droop control method, which is applied to multi-converter parallel control in a DC distribution system. The method comprises the steps of 1) acquiring electric power parameters of the DC distribution system, establishing a double closed-loop controller which consists a voltage outer loop and a capacitive current inner loop, and establishing a DC distribution system droop control model; 2) introducing virtual impedance ZD(s) into a part between converter output current and converter reference voltage signals of the double closed-loop controller in the DC distribution system droop control model so as to act as negative feedback, and acquiring equivalent output impedance Zov(s); and 3) enabling the equivalent output impedances Zov(s) corresponding to a plurality of lines to be equal through setting values of different virtual impedances ZD(s), and thus averaging output power and power distribution of the plurality of lines in the DC distribution system. Compared with the prior art, the method provided by the invention has the advantages of shock suppression, simple algorithm, low cost and the like.

The invention discloses a flexible robot posture measurement method and relates to the field of robot vision measurement. According to the flexible robot posture measurement method, the initial posture information is obtained, extended kalman filtering is performed on measured data, so that the relative posture information of a flexible robot and a charging head is obtained, and the expected speedof the tail end of a mechanical arm is calculated according to the relative posture information, and then motions of all joints of the flexible robot are planned, so that precise aligning to the charging head is performed; and by means of introducing of the flexible robot, the working space of a charging robot is enlarged and the movement flexibility of the charging robot is improved, furthermore, the multiple-freedom-degree redundancy of the flexible robot is quite suitable for an unstructured measurement environment, and influence of past-time historical cumulative measurement data on the subsequent motion process of the flexible robot is added to the measurement result through the extended kalman filtering, the corrected posture information after compensation is obtained, the flexiblerobot posture measurement method and a device have high calculation accuracy, addition of the hardware cost is not needed, the posture information can be obtained just needing one camera, the measuring system cost is reduced, and the posture measurement accuracy is improved.

The invention provides a display method and a display device. The display method is applied to the display device. The display device comprises a display screen. The display method comprises the stepsthat when it is detected that a current frame picture displayed on the display screen is in the static state,and the next frame picture is the same as the current frame picture,the next frame pictureis moved in the preset direction,and a moved picture is obtained; the display screen is controlled to display the moved picture. In this way,the problem that a residual image is caused when the display screen displays the same static picture for a long time can be effectively avoided,the display effect is improved,the service life of the display screen is prolonged,and no cost needs to be added.