35results about How to "Simplify software design" patented technology

Disclosed is an automatic white balance method for image capturing apparatus. An image capturing apparatus captures a color image first and performs gray point searching in RGB color space or YUV color space. The color correction coefficient sets of red color, green color and blue color components of each gray points are computed respectively, and then the color correction coefficient sets of all the gray points are averaged to generate a color correction average value set. Each pixel of the color image is color-corrected in a color space according to the color correction average value set so as to obtain an optimum white balance effect. The present invention is beneficial for the reduction of design cost, downsizing of storage memory space, decrease of computation quantity and simplification of image-searching process.

A method is described for dynamic stitching of a new module of executable code in a parallel processing environment, where access to a data object is shared by the new module and another module previously loaded. A new data object is created for shared access by the new module and by the other module; a data freshness indicator is updated in accordance therewith. A pointer value for the data pointer associated with the other module is modified, thereby terminating reference to an old data object previously accessed and substituting reference to the new data object. A second data freshness indicator is updated in accordance with access by the other module to the new data object. The old data object is deleted when a comparison between freshness indicators shows that access to the old data object is no longer required.

The instant disclosure relates to a camera angle adjustable device. The camera angle adjustable device includes a base, a camera module, a reflective mirror structure and a driver. The base has a first surface, a second surface, a front side and a back side. The camera module is disposed on one side perpendicular to the front side and the back side of the first surface. The reflective mirror structure includes a frame and a mirror body, wherein the frame is pivotally connected to the first surface, the mirror body is mounted on the frame, and the mirror body selectively corresponds to one of the front side and the back side. The driver is mounted on the second surface and connected to the reflective mirror structure in order to drive the reflective mirror structure. A method for adjustable the camera angle is also provided.

Disclosed is an automatic white balance method for image capturing apparatus. An image capturing apparatus captures a color image first and performs gray point searching in RGB color space or YUV color space. The color correction coefficient sets of red color, green color and blue color components of each gray points are computed respectively, and then the color correction coefficient sets of all the gray points are averaged to generate a color correction average value set. Each pixel of the color image is color-corrected in a color space according to the color correction average value set so as to obtain an optimum white balance effect. The present invention is beneficial for the reduction of design cost, downsizing of storage memory space, decrease of computation quantity and simplification of image-searching process.

The invention relates to a bidirectional cascade voltage-increasing and decreasing direct current-alternating current converter, belonging to the technical field of power electronics. The converter comprises a voltage decreasing level circuit, a direct current bus inductor, a voltage increasing level circuit and a control circuit. The voltage decreasing level circuit forms an H bridge structure by two fully-controlled devices and two diodes, so that a bipolar alternating current voltage can be generated on a direct current bus; and the voltage increasing level circuit forms an H bridge structure by four unidirectional fully-controlled switch devices, so that a bipolar alternating current voltage can be generated on an output end. In the converter, the control circuit is used for controlling the switch period mean value of the direct current bus current to be constant by properly changing the respective conducting mode of the voltage decreasing level circuit and the voltage increasing level circuit, so that the converter is guaranteed to have the voltage-increasing and decreasing capabilities, the bidirectional energy flow capability, and the direct current-alternating current converting capability.

The invention relates to a fan rotating speed detection apparatus. The apparatus comprises a first capacitor, a first resistor, a first Schmitt trigger, a modulation circuit and a controller. One end of the first capacitor is connected to a signal output end of a fan, and the other end of the capacitor is connected to the input end of the first Schmitt trigger and is connected to the ground through the first resistor. The output end of the first Schmitt trigger is connected to the controller through the modulation circuit. A periodic signal output from the fan is converted into a pulse signal through a charge and discharge loop, the pulse signal is then output to the input end of the first Schmitt trigger, the first Schmitt trigger shapes the pulse signal into a rectangular wave signal, the modulation circuit modulates the rectangular wave signal and a reference voltage of the modulation circuit, then a voltage signal is obtained and input to the controller, the controller samples the voltage signal and a corresponding voltage value is obtained, and therefore the rotating speed of the fan is obtained. The apparatus can provides the program execution efficiency of the controller, and the detection cost for the rotating speed of a fan is reduced.

The invention belongs to a servo control software solidifying method and particularly relates to a servo control software online burning method based on a 1553B bus. The method includes the steps of firstly, converting burning files into binary files; secondly, establishing a bus protocol; thirdly, setting a lower computer program; and fourthly, designing a DSP (digital signal processor) program. The method has the advantages that online program burning of various types can be achieved, program updating of a digital servo controller is achieved without uncovering, program burning of the digital servo controller can be simplified greatly, servo system testing efficiency is improved, and operation process of software design and software producers is simplified.

The invention relates to an automatic water collection system for an unmanned watercraft. The automatic water collection system comprises a deploying and retracting mechanism, a water collection mechanism and a storage mechanism, wherein the deploying and retracting mechanism is fixed on a deck of the unmanned watercraft; the water collection mechanism is mounted inside the storage mechanism; andthe storage mechanism abuts against the deploying and retracting mechanism and is fixed on the deck of the unmanned watercraft. The automatic water collection system for the unmanned watercraft designs a set of electromechanical combined collection system according to the requirements of the water collection task of the unmanned watercraft. In the structural design, the automatic water collectionsystem mainly designs a master / slave wheel mechanism, and also ingeniously adds a spring-type pressure regulator so as to realize the task of deploying and retracting a water collection pipe. In the electrical design, the automatic water collection system integrates five peristaltic pumps for water collection and refrigeration equipment in a refrigerator, and is provided with the functions of liquid level sensing, temperature digital display and the like. In general, the automatic water collection system for the unmanned watercraft is ingenious in design, simple in structure and functionally complete.

This is a kind of programmable control module based on the singlechip. It comprises a printed circuit board, shell body, and the leading feet. There weld and equip the singlechip, the restoration circuit, the data storage circuit, the A / D circuit, the D / A circuit, the coupling input isolation driving circuit, the coupling output isolation driving circuit, the second serial communication circuit. The printed circuit board is sealed in the shell body. Several metal leading feet of the leading feet are welded in the printed circuit board and extended out of the shell body. The module software are programmed in the trapeziform figure wise, so that the user just need to weld the programmable module on his / her designed printed circuit board. There assembled simple electronic organ around the periphery to complete the hardware design. The module adopts the trapeziform figure software programming. It's very convenient to be exploit for users. Besides it has a lower cost, a small volume and is agile to use.

The invention discloses a framework for the equipment and its sending method of message. In each frame, set a main switchboard and a standby switchboard. Each main processing board and operational plate connects to the main switchboard and standby switchboard respectively in the frame. Machine frames are connected each other through the cascade interface provided by the main switchboard and the standby switchboard. Since the invention uses a switchboard for connecting the various circuit boards, and switchboard directly provides cascade interface between frames, so the wiring between frames isgreatly simplified, which is easy to install and maintenance.

The invention discloses a truck fuel tank anti-theft lock system which comprises a single chip microcomputer, a detection circuit, an alarm output circuit, a setting circuit, a test circuit and a power supply circuit. The power supply circuit is used for providing the stable working voltage for the system; the detection circuit is used for periodically reading the system test value, the value is compared with a set value stored in the system, according to the comparison result, whether the system is abnormal or not is judged, three sets of micro switches are arranged in the detection circuit,and each set of micro switches is connected with the single chip microcomputer through an optocoupler circuit; the setting circuit is used for selecting one or more of the three sets of micro switchesin the detection circuit for periodically reading the test value; the alarm output circuit is connected with the single chip microcomputer and comprises an indicating lamp and a sound alarm, when thesystem is normal, the indicating lamp shows green, when the system is abnormal, the indicating lamp shows red, and meanwhile the sound alarm issues the alarm sound; and the test circuit is used for detecting the alarm output circuit.

A data processing arrangement (MPS) comprises a plurality of data processors (SPR, PM1, . . . , PM4) that can be reset individually. A reset module (RSM) handles various reset request signals (HRG, SRG, SRP1, . . . , SRP4) in accordance with a prioritization and timing scheme so as to obtain respective reset signals (GRS, PRS1, . . . , PRS4) for respective data processors (SPR, PM1, . . . , PM4). The reset module (RSM) preferably comprises a reset request register, which stores respective reset requests that the respective reset request signals convey, and a request execute register, which stores respective granted reset requests that the reset signals convey.

The invention discloses a device for automatically tracking the sun on water, which belongs to the technical field of solar cells. rod, the second electric push rod, the third electric push rod, the fourth electric push rod, the fifth electric push rod, the sixth electric push rod, the seventh electric push rod and the eighth electric push rod. There are 4 fixed seats, which solve the technical problem of light tracking of solar panels on the water surface. The invention greatly simplifies the software design of the light tracking system by segmentally controlling the motion stroke of the electric push rod, and reduces two The workload of the second development, the present invention will not produce reaction force, will not drive the floating body to reverse rotation, suitable for use on the water surface, the light tracking system of the present invention has fast action speed, small action range, and little influence on the floating body on the water surface , which is conducive to the stable operation of solar panels.

The instant disclosure relates to a camera angle adjustable device. The camera angle adjustable device includes a base, a camera module, a reflective mirror structure and a driver. The base has a first surface, a second surface, a front side and a back side. The camera module is disposed on one side perpendicular to the front side and the back side of the first surface. The reflective mirror structure includes a frame and a mirror body, wherein the frame is pivotally connected to the first surface, the mirror body is mounted on the frame, and the mirror body selectively corresponds to one of the front side and the back side. The driver is mounted on the second surface and connected to the reflective mirror structure in order to drive the reflective mirror structure. A method for adjustable the camera angle is also provided.

The invention discloses a single control area network (CAN) controller hot-redundant CAN bus system and relates to the field of CAN buses. The system comprises two buses and a plurality of CAN node circuits, wherein each of CAN node circuits is connected to two buses at the same time, each of CAN node circuits comprises a micro processor, a fault processing circuit, a CAN controller, an arbitration receiving and selecting unit, a first separating receiving-transmitting unit and a second separating receiving-transmitting unit, first separating receiving-transmitting units and second separating receiving-transmitting units are used for transmitting data received by buses to arbitration receiving and selecting units, arbitration receiving and selecting units are used for transmitting data to CAN controllers, and CAN controllers are used for transmitting data to micro processors, and fault processing circuits are used for receiving data from arbitration receiving and selecting units and micro processors and respectively transmitting enable control signals to first separating receiving-transmitting units and second separating receiving-transmitting units. The system has the advantages that the operation is simple, the reliability of data receiving and transmitting is high, the hardware cost is low and the difficulty of redundant bus development is simplified greatly.

The invention discloses a grating positioning device and method for a high-precision spectrum analyzer, comprising: a motor drive circuit, a DC brushless motor, a diffraction grating, a photoelectric encoder and a feedback control circuit connected in series in sequence, and the output end of the photoelectric encoder Connect the input end of the interpolation circuit; the CPU main control circuit is connected with the feedback control circuit; the rotor of the DC brushless motor is directly fixed on the rotating shaft of the diffraction grating; the beneficial effect of the present invention is that the DC brushless motor is selected to replace the stepping motor , to achieve direct drive and direct reading of the angular position of the grating, with the advantages of fast, robust, small size, no return difference, and insensitive to wear or environmental changes.