47results about How to "Accurately tuned" patented technology

Tunable upconversion mixers that have a controllable passband response and provide substantial image rejection, making costly post-mixing filtering at least optional, if not unnecessary for many applications. A single mixer is able to support several frequency bands (and / or be accurately tuned within one frequency band) by means of varying the capacitance in a tunable load circuit for the mixer circuit. The tunable mixer comprises a mixer circuit having inputs for receiving a signal to be upconverted and an oscillator signal to be mixed with the signal to be upconverted. The mixer generates a mixer output signal at a desired sideband frequency and an image signal at an image frequency. A tunable load circuit is coupled to the mixer circuit and responsive to a control signal to resonate and pass signals in a desired passband corresponding to the mixer output signal at the desired sideband frequency, and which attenuates signals in an attenuation band that includes the image signal at the undesired image frequency.

The invention belongs to a touch lock device for a door of a car and particularly to the device which can achieve unlocking and locking of a door of the car by touching of a button point on a handle decoration cover. The device comprises a handle decoration cover, a touch chip module, a switching control module and an intelligent key system, wherein the touch chip module senses capacitance fluctuation caused by the touching of the touch button point of the handle decoration cover and transmits an alternating electrical signal to the switching control module, the switching control module is connected with a key free entering sensing module, when signals of the touch chip is input, the switching control module is put through and output a control signal to the key free entering sensing module, the key free entering sensing module determines that a driver with the intelligent key enters a sensing area and outputs the control signal to a locking / unlocking driving unit to achieve a locking / unlocking action of the door of the car, or the switching control module outputs the control signal directly to the locking / unlocking driving unit to achieve the locking / unlocking action of the door of the car. The device has the advantages of being accurate in sensitivity, high in safety performance, attractive in appearance, practical and the like.

The invention relates to a four-screen accuracy target structure assembling and parameter measuring method, aiming at solving the problem of large measured error due to inaccurate structure parameters in assembly and practical use of the conventional four-screen accuracy target. The method adopts a technical scheme comprising the following steps of: (1) adjusting a laser sight of a transmitting and receiving device to ensure speckles of the laser sight are superposed; (2) adjusting to ensure that a light screen I, a light screen II and a light screen IV are vertical to the plane, and the light screen I is parallel to the light screen IV; and (3) adjusting the light screen I and the light screen II to measure an angle alpha related to X, and adjusting the light screen I and a light screen III to measure an angle beta related to Y. By adopting the method, a virtual reference plane is constructed by adopting two laser levels, reference or three mutually-vertical external reference planescan be prevented from being set or constructed on a mechanical structure, namely a hexahedral support structure, so that the requirement for processing and assembling accuracy of the hexahedral support structure is relaxed. The measured structure parameters are accurate by adopting the method, so that measurement errors are avoided.

A communication apparatus having value added functions useful for musicians is provided. A tempo signal having a cycle corresponding to a tempo set by a user through an operation device is generated, a musical tone signal equivalent to a metronome sound is generated in accordance with the generated tempo signal, and the metronome sound is generated in accordance with the generated musical tone signal. Therefore, the present invention can contribute to further increasing the added value of a communication apparatus, which is requisite for musicians.

The invention relates to a structure for adjusting a camber angle and a caster angle of a wheel of an independent suspension. The structure comprises a lower swing arm and an upper swing arm; one end, connected with an auxiliary frame, of the lower swing arm is provided with a front sleeve and a back sleeve; a front bush and a back bush are correspondingly arranged in the front sleeve and the back sleeve; the front bush and the back bush are connected with the auxiliary frame; the joint of the front bush and the auxiliary frame is provided with a first inclination adjusting structure; the joint of the back bush and the auxiliary frame is provided with a second inclination adjusting structure; the first inclination adjusting structure comprises a front camshaft and a second dial; the second inclination adjusting structure comprises a back camshaft and a fourth dial.

The invention discloses a method for time setting, calibrating and setting of a timer through the Internet of Things. Connection and communication between the timer with a wireless communication module and a reference object are established, and then time setting, calibrating and setting of the timer can be quickly and conveniently achieved on the basis of the system time of the reference object. Instruction working mechanisms of time setting, calibrating and setting include the first kind of people triggering, the second kind of people triggering and automatic connection and communication establishing, wherein according to the first kind of people triggering, connection and communication with the reference object are actively initiated from the timer end, timing data are acquired, and pointers are calibrated or alarm clock information is set and stored; according to the second kind of people triggering, connection and communication with the timer are actively triggered from the reference object end, the timing data are pushed, and the pushing instruction requires the timer to calibrate the pointers and set and store the alarm clock information; according to automatic connection and communication establishing, the timer and the reference object automatically establish connection and communication without manual interference under the preset condition, and automatic timing and synchronous alarm clock setting information storing are achieved. The method is simple, convenient to implement and practical, and operation is quick.

The invention relates to a method for calibrating camber angle and caster angle of wheel. the device executing the method comprises a lower swing arm and an upper swing arm, wherein one end, connected to a subframe, of the lower swing arm is provided with a front sleeve and a rear sleeve; a front bushing and a rear bushing are corresponding arranged in the front sleeve and the rear sleeve; the connected part of the front bushing and the subframe is provided with a first angle adjusting structure; the connected part of the rear bushing and the subframe is provided with a second angle adjusting structure; the first angle adjusting structure comprises a front cam shaft and a second dial; the second angle adjusting structure comprises a rear cam shaft and a fourth dial.

The invention discloses an adjustable safety and anti-theft transformer, which comprises a casing, the top of the casing is provided with a top cover, the left and right side walls of the inner cavity of the casing are provided with slide grooves, the outer walls of two sets of slide grooves are provided with sliders, and the sliders Matching with the chute, a connecting rod is arranged between the two groups of sliders, a screw hole is arranged on the outer wall of the top cover, an adjusting bolt is arranged on the top of the top cover, the bottom of the adjusting bolt penetrates the bottom of the screw hole, and the top of the connecting rod There is a positioning screw groove, and the adjusting bolt is connected with the connecting rod through the positioning screw groove. The adjustable safety and anti-theft transformer of the present invention can realize the compression and stretching of the coil by rotating the knob, change the inductance parameter in the intermediate frequency transformer, and change the inductance of the coil. Quantity, so as to realize the precise adjustment of the inductance of the transformer, and the safety protection performance is good, which can effectively prevent theft. In addition, it is convenient for wiring, has a certain shock absorption and anti-seismic ability, and has good stability.

The invention discloses an electro-optical system with adjustable focus. The electro-optical system at least comprises a body, a lens assembly arranged on the body, a light sensing assembly arranged with optical axis the same as that of the lens assembly, and a manual focusing structure, wherein the light sensing assembly and the manual focusing structure are arranged in a linked manner to adjust the focus between the light sensing assembly and the lens assembly. The invention also discloses an electronic otoscope applying the electro-optical system with adjustable focus. According to the invention, as the manual focusing structure is arranged, the focus can be adjusted manually in time according to the actual visual effect of the user in focusing operation, particularly, fine focus delayed in response of the existing electronic focusing structure can be adjusted, thereby having the beneficial effects of being high in focusing precision, convenient in focusing operation and the like.

The invention relates to a method for fast tuning the angle of LED chip. The method mainly comprises: including the chip into an angle interval; obtaining a rotating pivot angle of the angle interval; selecting the p angle interval, and rotating the chip film according to the rotating pivot angle of the angle interval, wherein, p is equal to 1; positioning the chip m according to the theoretical position coordinates X'm and Y'm after theoretical rotation, and obtaining deviation Lambada x and Lambada y between X'm and Y'm and the actual position of the chip after actual rotation; judging whether Lambada x and Lambada y are larger than a certain threshold, if yes, amending Ox and Oy according to Lambada x and Lambada y and correcting the position of the chip; if no, correcting the position of the chip according to the theoretical position coordinates X'm and Y'm after theoretical rotation; judging whether the chip in the p angle interval is selected and finished, if yes, ending the angle tuning of the chip in the angle interval; proceeding to the angle tuning of the chip of the next angle interval. The invention can improve accuracy of chip angle tuning, effectively reduce the overall chip tuning times and enhance chip angle tuning efficiency, and increase chip sorting speed.

Provided are an adjusting device and an adjusting method thereof which are suitable for adjusting a photosensitive assembly. The adjusting device comprises a first platform, a second platform, a third platform and a cover body. The first platform comprises at least three capacity slots. Each capacity slot is provided with a positioning module. Each positioning module is provided with a curved body and a positioning elastic component. The second platform is arranged on one side of the first platform and is provided with grooves corresponding to the curved bodies. Bearing parts of the second platform extend outwards. The third platform is arranged on the other side of the first platform and is electrically connected with a control module. The control module controls the third platform to move in the axial direction and enables the first platform and the second platform to move with the third platform at the same time. The cover body is arranged on one side of the second platform to suppress the photosensitive assembly, thereby enabling the photosensitive assembly to be flattened on the second platform. The bearing parts of the second platform are pushed by an external force, the second platform moves in the axial direction to carry out inclination adjustment of the photosensitive assembly, and the curved bodies keep contact with the grooves by means of the extension of the positioning elastic components.

The invention relates to the technical field of display screens, in particular to a display screen white balance adjusting method and system. The system comprises a display system and a to-be-debuggeddisplay screen module, an optical probe used for acquiring brightness and color coordinate data of the display system; a debugging board used for outputting gray-scale picture information of which the gray-scale values are increased progressively to the display system according to an instruction of the test computer; and the test computer used for controlling the optical probe to obtain the optical parameter value, completing the operation of the chromaticity coordinate and outputting an instruction to the debugging board according to the operation result. By adopting the technical scheme provided by the invention, the technical problems that an existing display screen white balance adjusting method cannot adapt to various display screens, the adjusting precision is poor and the gamma value of the display screen can be changed are solved.

The invention discloses a system and a method for monitoring system power supply. The method for monitoring the system power supply is suitable for an electronic device, and comprises the following steps: firstly, obtaining a charging material from a charging module; secondly, judging whether the charging module stops charging a battery or a battery capacity is higher than a preset battery capacity according to the charging material; if the charging module charges the battery, and the battery capacity is lower than the preset battery capacity, judging whether a charging current value of the battery is smaller than a preset current value; if the charging current value of the battery is smaller than the preset current value, and a system power value is smaller than a preset power value, controlling an element to reduce the preset power value; and if the charging current value is greater than the preset current value, and the system power value is greater than the preset power value, controlling the element to increase the preset power value so as to further correctly adjust the power of the electronic device.

A mold laser adjusting scale comprises a base. A support is arranged on the base. An elongated groove is formed in the upper surface of the support. A center-line laser projector is arranged in the elongated groove through a slide block. A vertical scale rod is arranged at the left end of the elongated groove and provided with a laser projecting lamp. A laser head of the laser projecting lamp is a point-like laser head. The laser projecting lamp is arranged on the vertical scale rod through the slide block. A mounting hole is formed in the center of the slide block and matched with the vertical scale rod. The slide block is in clearance fit with the vertical scale rod. The slidable center-line laser projector and the fixed vertical scale rod are arranged on the support. The center line of the mold is determined by the aid of the support with scales and the center-line laser projector. With one angle of a mold steel plate as a reference standard, the laser projecting lamp arranged on the vertical scale rod can horizontally rotate by 360 degrees so as to measure whether or not the rest three angles of the steel plate are same in height, if not, adjustment is performed. The mold laser adjusting scale is accurate to adjust and convenient to operate.

The invention discloses a transformer with multiple buffer mechanisms, and belongs to the technical field of power equipment. The transformer comprises an outer shell; a top cover is arranged at the top of the outer shell, and a first sliding rail and a second sliding rail which are symmetrically arranged are arranged on the side wall of the outer shell; a screw hole is formed in the top cover, an adjusting bolt is arranged at the top of the top cover, the bottom of the adjusting bolt penetrates through the bottom of the screw hole, a positioning groove is formed in the top of the connecting cross rod, and the adjusting bolt is connected with the connecting cross rod through the positioning groove; inductance parameters in the medium-frequency transformer can be changed through the adjusting knob, accurate adjustment of the inductance value of the transformer is achieved, use is convenient, controllability is high, wiring is convenient, vibration generated when the transformer works can be greatly reduced through the arranged multiple buffering mechanisms, and noise generated by vibration is reduced while noise is reduced.

The invention provides a backflow flow measuring module for a selective catalytic reduction (SCR) system of a vehicle. The backflow flow measuring module is used for measuring tail gas treating fluidflow which backflows from a supply unit of the SCR system to a fluid tank when the SCR system works. The measuring module is constructed to perform the following operation that a tail gas treating fluid in the supply unit is emptied so that the maximum air volume under 0-bar relative pressure can be achieved in the supply unit; then the tail gas treating fluid is introduced into the supply unit sothat conventional working pressure when the SCR system works is established in the supply unit; then the tail gas treating fluid in the supply unit is discharged naturally so that pressure in the supply unit can be released naturally, and meanwhile, pressure and elapsed time of pressure release of the supply unit are detected; and then based on the relationship between the pressure and the elapsed time of pressure release of the supply unit in the pressure release process, the tail gas treating fluid backflow flow when the SCR system works is determined.

The invention relates to a string fine-adjustment device for double row string instruments such as a double row Konghou. The string fine-adjustment device structurally comprises shaft (1), a taper sleeve (2), a sliding sleeve (3), a first gear (4), a second gear (5), a third gear (6), two fourth gears (7) and a knob (8).

The invention relates to a method and a device for accurately adjusting color temperature of a photographic lamp. The method comprises steps of setting the initial target power, the target color temperature and the light mixing proportion, sending the corresponding light mixing proportion to the lighting equipment, acquiring the actual color temperature, if the actual color temperature is not within the temperature difference range, performing incremental learning of a light mixing ratio coefficient, and calculating the light mixing ratio of the target color temperature and sending data to thelighting equipment, if the actual color temperature is within the temperature difference range, judging whether the target color temperature is the lowest color temperature or not, if the target color temperature is higher than the lowest color temperature, reducing the target color temperature to a preset value, calculating a light mixing proportion of the target color temperature, and sending the light mixing proportion to the lighting equipment, if the target color temperature is the lowest color temperature, judging whether the target power is a lowest power threshold value or not, if thetarget power is higher than the lowest power threshold value, reducing the target power to not exceed the lowest power threshold value, setting the target color temperature as the initial target color temperature, calculating a light mixing proportion of the target color temperature, and sending the light mixing proportion to the lighting equipment, and if the target power is within the minimum power threshold range, ending calibration.

The invention discloses a laser detection device for perpendicularity of a rod object. The laser detection device comprises a fixing rod, wherein an upper sleeve ring and a lower sleeve ring are fixedly connected with a side surface of the fixing rod; fixing bolts are in threaded connection with one sides far away from the fixing rod, of the upper sleeve ring and the lower sleeve ring; a groove isformed in one side surface of the fixing rod; a first rotating shaft and a second rotating shaft are inserted into the inner wall of the groove; a first support rod is fixedly connected with the surface of the first rotating shaft; a second support rod is fixedly connected with the surface of the second rotating shaft; a first chute is formed in a side surface of the first support rod. By adopting the laser detection device, laser is emitted from a laser emitter upwards vertically, a light spot is made by the laser on the surface of a scale ruler, and the excursion value of the light spot canbe read according to the position of the light spot in the scale ruler, so that the perpendicularity of a rod to be tested is calculated by a user according to the excursion value and the distance between the first rotating shaft and the second rotating shaft, then the angle of the rod can be conveniently adjusted, and the laser detection device is convenient and simple to use.

The invention discloses a method for time setting, calibrating and setting of a timer through the Internet of Things. Connection and communication between the timer with a wireless communication module and a reference object are established, and then time setting, calibrating and setting of the timer can be quickly and conveniently achieved on the basis of the system time of the reference object. Instruction working mechanisms of time setting, calibrating and setting include the first kind of people triggering, the second kind of people triggering and automatic connection and communication establishing, wherein according to the first kind of people triggering, connection and communication with the reference object are actively initiated from the timer end, timing data are acquired, and pointers are calibrated or alarm clock information is set and stored; according to the second kind of people triggering, connection and communication with the timer are actively triggered from the reference object end, the timing data are pushed, and the pushing instruction requires the timer to calibrate the pointers and set and store the alarm clock information; according to automatic connection and communication establishing, the timer and the reference object automatically establish connection and communication without manual interference under the preset condition, and automatic timing and synchronous alarm clock setting information storing are achieved. The method is simple, convenient to implement and practical, and operation is quick.

The invention discloses a gold stamping machine with the accurate positioning function. The gold stamping machine comprises a workbench, a supporting plate, a motor and a preheating tank, wherein thesupporting plate is fixedly connected with the upper surface of the workbench; two roller supporting frames are fixedly connected with the upper surface of one end of the workbench; a motor fixing plate is fixedly connected with the upper surface of the other end of the workbench; the motor is arranged on one side of the motor fixing plate; a connecting rod is fixedly connected with one side of the supporting plate and positioned above the workbench; an electric telescopic rod is fixedly connected with the top end of the connecting rod; the preheating tank is connected with the bottom end of the electric telescopic rod; a stamping plate is connected with the bottom of the preheating tank; and a positioning groove is formed inside the workbench and positioned right below the stamping plate.The gold stamping machine is simple and quick to operate, relatively simple to mount and calibrate, and accurate in positioning; by adopting a combination of the positioning groove and guiding rods,leather can be conveniently and accurately fixed below the stamping plate for stamping; and accordingly, the stamping quality can be improved when the positioning accuracy is greatly improved.

The invention relates to an angle tooling device with adjustable angle, which comprises a base, and is characterized in that one end of the base is pivoted with an adjusting seat, and the other end thereof is pivoted with an equal-height pad supporting seat which is provided with an equal-height pad that is fixedly connected with the adjusting seat; one end of the base is pivoted with the adjusting seat by a locating pins shaft, and the other end thereof is pivoted with the equal-height pad supporting seat by a supporting seat pin shaft; and the equal-height pad is fixedly connected with the adjusting seat by a bolt and a gasket. Compared with the prior art, The invention has the advantages that 1, the device has compact structure and does not easily cause mechanical failure; 2, a whole tooling is not needed to be replaced when different products are replaced, and the equal-height pads representing different angles are only needed to be changed, so that the time for replacing the tooling is shortened by 2 / 3; 3, the adjustment is rapid and can be accurately preformed without a professional machine tool operator, and the adjustment time is reduced by 1 / 2 compared with the original tooling; and 4, the cost is saved, and the maintenance is easy.

The invention discloses a building aluminum formwork capable of being adjusted at different angles, and belongs to the technical field of building concrete construction formworks, which mainly solvesthe problems of large correction difficulty, instability in template reinforcement and influence on concrete pouring quality in a slope plate formwork combining wood ridges with short battens or steelpipe inclined struts on the back surface of a wood formwork. The building aluminum formwork is mainly characterized by comprising an aluminum formwork surface and a formwork bracket; and the top endof the formwork bracket is hinged with the aluminum formwork surface, and a height adjusting mechanism is arranged on the formwork bracket. The building aluminum formwork has the characteristics thatthe overall structure is simple, all joints of the formwork system are stably spliced, the slope of the formwork can be accurately adjusted, and the concrete construction quality can be greatly increased. The building aluminum formwork is mainly used for building construction supporting formworks of slope beams, slope plates and other related building slope components in high-rise buildings.

The invention discloses a pneumatic control valve adjustment-calibration device, and belongs to the field of automation instruments. The pneumatic control valve adjustment-calibration device is used for adjusting, calibrating and maintaining a pneumatic control valve, and is characterized by comprising a rack pipe, a control box, a dial indicator, a support and a tool pallet, wherein a pressure gauge, a precise pressure gauge, an air source joint, a valuator and an output joint are installed on the control box. The pneumatic control valve adjustment-calibration device has the advantages of being rapid in installation and fixing, easy and convenient to connect, convenient to operate, clear in numerical reading and accurate in adjustment and calibration, and improves working efficiency and verification accuracy.

The invention discloses a method for operating a PLC system, which comprises the following steps that firstly, whether a cutter controlled by a servo motor is in an initial zero position state or not is detected, if not, the servo motoris controlled to return to zero, if so, starting to enter the step is conducted, and then the rubber cushion cutter is driven by the servo motor to rapidly feed to a set position according to a set speed, and the position of the PLC system is set in front of a contact point; a logic control area is divided in a frequency converter processor, and a PLC program analysis module is arranged in the logic control area; the PLC program analysis module is used for loading a PLC file, and the PLC file is obtained by performing development processing in a PLC upper computer; the PLC program analysis module detects a triggering condition for executing the PLC file; and when the triggering condition is met. The method for operating the PLC system is accurate in adjustment, high in precision and wide in use value.

An adjustment device and an adjustment method thereof are suitable for adjusting a photosensitive component. The adjustment device includes a first platform, a second platform, a third platform and a cover. The first platform has at least three storage tanks, each storage tank has a positioning module, and each positioning module has a curved body and a positioning elastic part. The second platform is arranged on one side of the first platform, has grooves corresponding to each curved surface body, and the second platform extends outwards to the bearing part. The third platform is arranged on the other side of the first platform, and is electrically connected to the control module. The control module controls the displacement of the third platform along the axial direction, and makes the first platform and the second platform simultaneously move along with the third platform. The cover body is arranged on one side of the second platform to press the photosensitive component so that it is flat against the second platform. The external force pushes against the supporting portion of the second platform, and the second platform is displaced in the axial direction to adjust the tilt of the photosensitive assembly. Through the stretching of each positioning elastic member, each curved surface body keeps in contact with each groove.

The invention relates to the technical field of shock absorbers, in particular to an aluminum alloy double-adjustment inflatable inverted front shock absorber. The aluminum alloy double-adjustment inflatable inverted front shock absorber comprises an aluminum barrel assembly, a front fork pipe assembly, a working cylinder assembly, a piston rod assembly, a circulating valve assembly, a recovery adjusting valve assembly, an inflation bottle assembly and a compression adjusting valve assembly, wherein the aluminum cylinder assembly is provided with a first cavity along the axis; and one end of the front fork pipe assembly extends into the first cavity from one end of the first cavity. According to the aluminum alloy double-adjustment inflatable inverted front shock absorber provided by the invention, the front shock absorber is more sensitive to the road surface and high in structural strength, compared with a common inverted front shock absorber in low-speed running and high-speed running, shock of a vehicle body can be well reduced, the road holding force of tires in the running process of a locomotive is enhanced, side slip is prevented, and the safety and comfort of high and lowspeed riding of two-wheeled motorcycles and electric vehicles are guaranteed.

The invention relates to an optical fiber sensing device (1) for sensing the distribution of the compression / deformation of a compressible / deformable element (2), comprising: an incompressible / undeformable tubular element (3) with a recess (4) extending in a length direction (X) thereof, the recess being enclosed by the tubular element, an optical fiber (5) arranged in the recess, comprising one or more light distortion structures (6), and being expandable in the length direction of the recess, one or more expandable elements (8), having a higher compressibility / deformability than the tubular element in a transverse direction (Y), arranged at one or both ends (9) of the tubular element, the optical fiber being enclosed in the expandable elements, which are arranged for expanding / contracting in the length direction, along with the optical fiber, when the expandable elements are subjected to a transverse load (F).