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36results about How to "Simplify layout and routing" patented technology

Memory error-detecting and error-correcting coding circuit and method for reading and writing data utilizing the same

This invention relates to an error-check and error-correction code circuit for storages and a method for reading and writing data by it taking matrix G as a logic core including: a decoding process and a coding process and a method for writing in data by this method. Apart from a decoding process and an error correction process, it also includes a coding process, and finally puts forward an error check and correction and coding circuit for realizing said two methods including a decoder, an error-correction circuit, a coding circuit, an interface circuit and related data transmission circuit so as to simplify layout of bottom circuit and speed up operation speed of circuits.
Owner:GIGADEVICE SEMICON (BEIJING) INC

Wireless sensor network system used for environmental monitoring inside spacecraft

The invention relates to a wireless sensor network system used for environmental monitoring inside a spacecraft. The wireless sensor network system comprises: a local network, that is, a data collection and transmission network, which employs a wireless networking technology to collect and transmit an environmental parameter inside a spacecraft; a gateway, which is used for carrying out bridging between the local network and a spaceborne data network / bus so as to realize data exchange between the local network and the spaceborne data network / bus; the spaceborne data network / bus, which is used for realizing communication between terminals on the bus and between a terminal and a spaceborne computer; and the spaceborne computer, which is used for carrying out processing on sensor data collected by the local network and emitting an appropriate instruction according to a result.
Owner:NAT SPACE SCI CENT CAS

Shift register unit, grid driving circuit and display apparatus

The invention provides a shift register unit, a grid driving circuit and a display apparatus, and belongs to the technical field of display. The shift register unit comprises an input module, an output module, a pull-down control module and a pull-down module, wherein the input module is connected with the output module and the pull-down control module, the pull-down module is connected with the pull-down control module and the output module, the input module, the output module and the pull-down control module are convergent to form a first-node PU, and the control end of the pull-down module is provided with a second-node PD. According to the technical scheme provided by the invention, the shift register unit can be formed by use of a quite small number of thin film transistors, the structure is simple, the area occupied by a grid driving circuit can be saved, and power consumption of the grid driving circuit is reduced.
Owner:BOE TECH GRP CO LTD +1

Focal plane assembly capable of realizing same viewing field splicing

InactiveCN102142432AOvercome the disadvantage of splicing missing pixelsAvoid mutual interferenceSolid-state devicesMountingsPrinted circuit boardRemote sensors
The invention discloses a focal plane assembly capable of realizing same viewing field splicing, belonging to the technical field of aerospace optical remote sensors. The focal plane assembly comprises three imaging circuit boards, three photosensitive devices, two reflecting mirrors, two bosses and a structural frame, wherein the three photosensitive devices are respectively positioned on three imaging circuit boards and are distributed on three planes; reflecting mirrors are cross to realize twice reflection and once perpendicular incidence, thereby overcoming the detect that image elementsare leaked when a big-shell photosensitive device is spliced by the traditional two-surface layout; and the physical structures of the photosensitive devices or the circuit board can be prevented from mutually interfering on the splicing direction, the photosensitive surfaces of the three photosensitive devices are connected end to end, and parts of regions of the junction are overlapped so as torealize seamless splicing. According to the focal plane assembly, three (which can be expanded to multiple pieces) photosensitive devices, especially three big-shell devices, can be subjected to seamless same viewing field splicing, the size requirement on an imaging circuit is lowered, the performance is improved, the cost is lowered, and the focal plane size is enlarged so as to enlarge the ground coverage width.
Owner:BEIJING RES INST OF SPATIAL MECHANICAL & ELECTRICAL TECH

Autonomous reconstruction soft configuration method for SoPC chip

The invention discloses an autonomous reconstruction soft configuration method for a SoPC chip. The autonomous reconstruction soft configuration method is obtained by researching an autonomous reconstruction soft configuration circuit technology of the SoPC chip. According to the autonomous reconstruction soft configuration method, the characteristic that configuration interfaces are controllable is fully used, the GPIO interface of a processor is connected with the configuration interface of an FPGA chip, a physical data path and a configuration link are constructed, time sequence configuration and data configuration are achieved through control over signal output and collection of the GPIO interface and level fluctuations of the interfaces, and then autonomous reconstruction is completed. Compared with a traditional reconstruction configuration method, autonomous reconstruction of a system can be achieved without additionally arranging a special configuration chip for an FPGA in the SoPC chip, the size of the SoPC chip is effectively reduced, few signals for controlling autonomous reconstruction exist in the SoPC chip, and therefore the designing complexity is lowered.
Owner:BEIJING MXTRONICS CORP +1

Temperature sensing device with UHFRID communication function

ActiveCN106482851ASelf-poweredSolve the problem of poor safety of easy short circuitTransmission systemsCircuit arrangementsRadio frequency energyWireless transmission
The invention provides a temperature sensing device with an UHFRID communication function, and the device comprises an antenna, a radio frequency energy conversion module, a temperature sensor and a radio frequency transmission module. The antenna is sued for receiving a superhigh frequency signal in a free space. The radio frequency energy conversion module is connected with the antenna and converts the superhigh frequency signal into an electrical signal. The temperature sensor acquires the temperature of a measured object and is electrically connected with the radio frequency energy conversion module, and the radio frequency energy conversion module supplies power to the temperature sensor. The radio frequency transmission module is separately and electrically connected with the radio frequency energy conversion module, the temperature sensor and the antenna, the radio frequency energy conversion module supplies power to the radio frequency transmission module, and a temperature signal acquired by the temperature sensor is wirelessly transmitted through the radio frequency transmission module and the antenna.
Owner:ZHEJIANG JOHAR TECH CO LTD

A self-powered power supply circuit for a flyback power converter

The invention relates to a self-supply circuit for a flyback power converter. A bus voltage supply module supplies power to a control chip after the bus is powered on. After the control chip is powered on, the primary winding of the transformer is controlled to work by the power supply control module, and the secondary auxiliary winding of the transformer obtains voltage from the coupling of the primary winding to supply power to the secondary winding of the transformer. The power supply module of the secondary winding of the transformer is charged to supply power to the control chip. The switching module turns off the power supply output of the bus voltage supply module to the control chip after the secondary winding power supply module of the transformer is fully charged. After the powersupply module of the secondary winding of the transform is charged, The bus voltage is cut off, and the auxiliary winding supplies power to the control chip alone. If the power supply module of the secondary winding of the transformer fails or the PWM driving output duty ratio of the control chip is small, and the power supply control module is abnormal, etc., the fault recovery can be carried out, and the control chip can not be powered down.
Owner:BEIJING RES INST OF PRECISE MECHATRONICS CONTROLS +1

Method for simplifying circuit board configuration circuit

The invention belongs to computer hardware technology and relates to an implementation method of a circuit board configuration circuit. According to the invention, a programmable logic device is usedfor implementing functions of resetting, electric level conversion and signal driving and a resetting circuit, an electric level converting circuit and a signal driving circuit using dedicated chips are replaced. According to the invention, no dedicated chips are required, the chip variety is small and the reliability is high. By using the programmable logic device, layout wiring can be simplified. Through a re-programming method, the resetting output and interconnection relation of the configuration circuit can be adjusted. A problem of semi-stable state caused by resetting is solved. Dynamicswitching of a redundancy circuit is realized.
Owner:XIAN AVIATION COMPUTING TECH RES INST OF AVIATION IND CORP OF CHINA

Goods picking system, related method, device and equipment

The invention discloses a goods picking system, a related method, a device and equipment. The goods picking system sends a positioning request for a target business object to a server through goods picking equipment; the server determines an identifier of a target roadway lamp and an identifier of a target storage location label, wherein the target roadway lamp and the target storage location label are corresponding to the target business object; lamp lighting instruction information aiming at the target roadway lamp and the target storage location label is sent to lamp control equipment; and the lamp control equipment turns on the target roadway lamp and the target storage location label lamp according to the instruction information. By adopting the processing mode, when a picking person needs to search for commodities in a physical store warehouse, the picking person can submit a commodity positioning request to the server, and the goods shelf storage location and the roadway where the corresponding commodities are located can be turned on; therefore, the commodity positioning speed can be effectively improved, the picking speed is improved, and an order is ensured to be performed on time.
Owner:HEMA (CHINA) CO LTD

High-end storage PCIE interchanger and management module thereof

The invention discloses a high-end storage PCIE interchanger and a management module thereof. The management module comprises a substrate and a CPU board card used for controlling and monitoring the PCIE interchanger, the CPU board card is connected with the substrate in a detachable manner, the substrate is provided with an external communication interface providing backboard PCIE signals, and the substrate is also provided with an external output network interface and an external output serial port for the CPU board card. When placement and routing are carried out to the management module of the high-end storage PCIE interchanger, placement and routing are carried out to the CPU board card and the substrate, the CPU board card and the substrate are modularized in design, and placement and routing are simpler. When the high-end storage PCIE interchanger is upgraded later, only the CPU board card needs to be upgraded again, placement and routing are carried out to the CPU board card again, then the upgraded new CPU board card is connected to the substrate, placement and routing of communication interfaces, output network interfaces and serial ports are avoided, the placement and routing difficulty level is further reduced, and the research and development cost is reduced at the same time.
Owner:INSPUR BEIJING ELECTRONICS INFORMATION IND

High-precision magnetic field detection and decoding circuit based on CAN bus

The invention discloses a high-precision magnetic field detection and decoding circuit based on a CAN bus. Bipolar magnetic steel is designed and arranged in a rudder shaft, the magnetic steel rightlyfaces a magnetic coding chip, and the coding chip measures a rotating magnetic field; a special SSC interface is used for sending a measuring result to a main control chip MCU; and the MCU completesreceiving and decoding of the magnetic field to obtain a corresponding rotating angle of the rudder shaft. After the MCU completes calculation, digital signals are sent to a servo control circuit in real time through a CAN bus control module, and closed-loop control over a servo system is achieved. According to the high-precision magnetic field detection and decoding circuit based on the CAN bus,non-contact measurement of a system is achieved by adopting a non-contact measuring method based on magnetic field detection and decoding, and the working reliability of a product is improved. The difficulty of circuit design is greatly lowered based on a CAN bus communication mode, circuits can be implemented more easily in the distributing and wiring process, the space size of a circuit board can be effectively saved, and meanwhile the circuit design cost can be effectively saved.
Owner:贵州航天控制技术有限公司

High-frequency and high-speed electronic circuit board based on high thickness-radius ratio deep hole electroplating technology

The invention discloses a high-frequency and high-speed electronic circuit board based on a high thickness-radius ratio deep hole electroplating technology. The high-frequency and high-speed electronic circuit board comprises a master control board and a signal transmission module, wherein the master control board comprises a receiving chip and a driving chip and adopts a double-sided flexible circuit board, a polyester resin material is further arranged on an outer surface of the master control board, a printed circuit board with high reliability and relatively high flexibility is fabricated by taking the polyester resin material as a substrate, four holes are drilled in an upper right end of the master control board, an output end of the master control board is connected with a voltage regulation module and a rectification module, the voltage regulation module is connected with a pulse generation module through a receiving end signal detection module, a signal transmission module is connected with a signal detection module, and the signal detection module is connected with a DC-DC converter. The circuit board has high heat dissipation, light weight, miniaturization and thinness are achieved by reducing a size, so that a component device and a wire are integratedly connected.
Owner:信丰共赢发展电子有限公司

A high-frequency and high-speed electronic circuit board based on high-thickness-diameter ratio deep-hole electroplating technology

The invention discloses a high-frequency and high-speed electronic circuit board based on a high thickness-radius ratio deep hole electroplating technology. The high-frequency and high-speed electronic circuit board comprises a master control board and a signal transmission module, wherein the master control board comprises a receiving chip and a driving chip and adopts a double-sided flexible circuit board, a polyester resin material is further arranged on an outer surface of the master control board, a printed circuit board with high reliability and relatively high flexibility is fabricated by taking the polyester resin material as a substrate, four holes are drilled in an upper right end of the master control board, an output end of the master control board is connected with a voltage regulation module and a rectification module, the voltage regulation module is connected with a pulse generation module through a receiving end signal detection module, a signal transmission module is connected with a signal detection module, and the signal detection module is connected with a DC-DC converter. The circuit board has high heat dissipation, light weight, miniaturization and thinness are achieved by reducing a size, so that a component device and a wire are integratedly connected.
Owner:信丰共赢发展电子有限公司

Focal plane assembly capable of realizing same viewing field splicing

InactiveCN102142432BOvercome the disadvantage of splicing missing pixelsAvoid mutual interferenceMountingsPrinted circuit boardRemote sensors
The invention discloses a focal plane assembly capable of realizing same viewing field splicing, belonging to the technical field of aerospace optical remote sensors. The focal plane assembly comprises three imaging circuit boards, three photosensitive devices, two reflecting mirrors, two bosses and a structural frame, wherein the three photosensitive devices are respectively positioned on three imaging circuit boards and are distributed on three planes; reflecting mirrors are cross to realize twice reflection and once perpendicular incidence, thereby overcoming the detect that image elements are leaked when a big-shell photosensitive device is spliced by the traditional two-surface layout; and the physical structures of the photosensitive devices or the circuit board can be prevented from mutually interfering on the splicing direction, the photosensitive surfaces of the three photosensitive devices are connected end to end, and parts of regions of the junction are overlapped so as to realize seamless splicing. According to the focal plane assembly, three (which can be expanded to multiple pieces) photosensitive devices, especially three big-shell devices, can be subjected to seamless same viewing field splicing, the size requirement on an imaging circuit is lowered, the performance is improved, the cost is lowered, and the focal plane size is enlarged so as to enlarge the ground coverage width.
Owner:BEIJING RES INST OF SPATIAL MECHANICAL & ELECTRICAL TECH

Integrated on-chip surge protection circuit

The invention provides a surge protection circuit integrated in a chip. The surge protection circuit integrated in the chip comprises a main bleeder circuit and a quick detection circuit. The main bleeder circuit comprises a first diode, a second diode, a second resistor and a first MOS (metal oxide semiconductor) tube. A cathode of the first diode is connected with a power end, an anode of the first diode is grounded through the second resistor, and a node between the first diode and the second resistor is a first node. A first connection end of the first MOS tube is connected with the power end, a second connection end of the first MOS tube is grounded, and a control end is connected with the first node. The quick detection circuit comprises a capacitor, a first resistor, a third diode and a second MOS tube. The capacitor is connected between the power end and the third diode, an anode of the third diode is grounded, and a node between the third diode and the capacitor is a second node. A first connection end of the second MOS tube is connected with the power end, a second connection end of the second MOS tube is connected with the first node, and a control end is connected with the second node. Compared with the prior art, the surge protection circuit integrated in the chip has the advantage that surge protection of an internal circuit of the chip can be realized.
Owner:WUXI ETEK MICROELECTRONICS

A point-to-multipoint udp real-time data transmission and confirmation method based on fpga

The invention discloses an FPGA-based method for transmitting and confirming UDP real-time data from a point to multiple points, which comprises the following steps: (1) firstly, a real-time data collecting and controlling system, which is composed of a plurality of process-quantity collecting and controlling terminals, an FPGA-based communication controlling device and one or multiple upper-layer data processing devices, is established; (2) Secondly, a universal network interface card and a real-time operating system (RTOS) are configured in an industrial personal computer system so as to constitute the upper-layer data processing devices; (3) an ACK field is added into the header of application data of a UDP datagram which is from the communication controlling device to the upper-layer data processing devices; (4) after receiving the UDP datagram of the upper-layer data processing devices, the communication controlling device transmits and arbitrates the UDP datagram; and (5) after receiving the UDP datagram, the data processing devices check the self-related values in the ACK field; if the value is 1, then the current frame is confirmed, otherwise, the current frame is retransmitted after the timer overflow is sent.
Owner:NANJING PANENG TECHNOLOGY DEVELOPMENT CO LTD

Partially-depleted silicon-on-insulator triode structure

The invention provides a partially-depleted silicon-on-insulator triode structure. The partially-depleted silicon-on-insulator triode structure comprises a buried oxygen layer, a collector electrode region, a base region, an ultra-shallow trench isolation region, a base electrode region and a collector electrode contact region, wherein the buried oxygen layer is arranged on a substrate, the collector electrode region is arranged on the buried oxygen layer, the base region is located on the collector electrode region, the ultra-shallow trench isolation region and the base electrode region are arranged on the two sides of the base region respectively, and the collector electrode contact region is arranged on the side, opposite to the base region, of the ultra-shallow trench isolation region; the doping concentration of the collector electrode contact region is larger than that of the collector electrode region, the collector electrode region is connected with the collector electrode contact region, and the collector electrode contact region, the ultra-shallow trench isolation region, the base region and the base electrode region are located on the surface of a silicon wafer. Moreover, the partially-depleted silicon-on-insulator triode structure further comprises a polycrystalline silicon emitting electrode arranged on the surface of the silicon wafer.
Owner:SHANGHAI HUAHONG GRACE SEMICON MFG CORP

Layout and wiring method, device and equipment and readable storage medium

The invention discloses a layout and wiring method and device, equipment and a readable storage medium. According to the method and the device, for the functional module of which the data processing logic is matched with the star topology structure, the constraint modes with different constraint capabilities can be utilized to constrain each sub-module in the functional module to perform layout and wiring according to the star topology structure, so that each layout and wiring result is obtained; then, the layout wiring result meeting the preset index requirement is selected from all the layout wiring results to serve as the layout wiring scheme of the function module, layout wiring in the module can be simplified, the probability of occurrence of problems such as winding congestion, short circuit, time delay and function errors is reduced, line resources, chip power consumption and chip area are saved, and the production efficiency is improved. And a layout and wiring scheme meeting the preset index requirement can be selected, so that the performance, manufacturability and time sequence convergence effect of the chip can be improved. Correspondingly, the invention also provides a layout and wiring device, equipment and a readable storage medium, which also have the above technical effects.
Owner:山东云海国创云计算装备产业创新中心有限公司

Configuration method, device, processor and storage medium of electronic equipment

The invention discloses a configuration method, device, processor and storage medium of electronic equipment. The method includes: determining a first register array in the electronic device, wherein the first register array is configured with a reset port; converting the first register array into a second register array, wherein the second register array is not configured with a reset port port; mapping the second register array as a memory; connecting the memory with an external circuit to obtain a configured electronic device, wherein the external circuit is provided with a third register array, and the third register array is configured with a reset port. The present invention solves the technical problem that the existing register array with a reset function cannot be mapped into a memory, thereby causing waste of chip resources of electronic equipment.
Owner:山东高云半导体科技有限公司

Power supply system and power supply method in sdi mode

The invention relates to a power supply system and a power supply method in SDI mode. The system includes a control module and an SDI power supply module connected to the control module. The SDI power supply module detects the voltage and current signals input by the connected video input device and transmits them to the control module, and then the control module detects the voltage and current according to the detection module. The signal controls the working mode of the SDI power supply module; the SDI power supply module includes a power supply switch, a power switch, a first power supply, a second power supply and a first resistor, and one end of the power supply switch is respectively connected to the first power supply and the second power supply through the power supply switch , the other end of the power supply switch is connected to the first resistor, and the SDI power supply module realizes detection of voltage and current signals input by the video input device through the first resistor. The invention can reduce the wiring of the video monitoring, can realize the power supply of the camera and the signal transmission of the video by using a coaxial cable, improves the reliability of the system work and simplifies the layout and wiring of the system.
Owner:FUJIAN FORECAM OPTICS CO LTD

MIPI C-PHY signal generating method, device and system

ActiveCN109660516AAvoid interactive processingMeet throughput requirementsTransmissionLow speedOne-hot
The invention discloses an MIPI C-PHY signal generating method, device and system. The method comprises the following steps: 1) receiving a C-PHY signal starting parameter and image source data, and performing data management and flow control according to the starting parameter; 2) packaging a code stream in the starting parameter to form an LP signal group packet; 3) performing one-hot encoding on the data of the LP signal group packet, mapping an encoded LP signal to a 3-wire for transmission; 4) packaging the image source data, and distributing a packaged HS signal onto each lane; 5) encoding the HS signal, then outputting the encoded HS signal, and converting the parallel HS signal into a serial output of each wire; and 6) aliasing a high speed signal and a low speed signal to form a C-PHY signal source, and outputting the C-PHY signal source to a module. parallel 6lane is maximally supported, the data transmission speed of 17.1 Gbps per lane meets the throughput requirement of a C-phy module of any resolution on the market, the adaptability is high, the layout and wiring are simple, and the hardware cost is low, so that the MIPI C-PHY signal generating method, device and system are worthy of popularization and application.
Owner:WUHAN JINGLI ELECTRONICS TECH

Multi-concurrent RAM data transmission method and structure of X-type link structure

The invention provides a multi-concurrent RAM data transmission method and structure of an X-type link structure. The method comprises the following steps: mapping a plurality of physically independent sub-RAMs into a shared storage RAM; obtaining an interface corresponding to each core of the on-chip multi-core processor based on shared storage; arranging a multi-stage link transmission structurebetween the interface and the sub RAM, wherein each stage of link transmission structure is provided with a plurality of X-shaped structure routers; and forming a fixed transmission path between eachinterface and each sub RAM through the X-type structure router so as to send or respond to a data stream. According to the invention, the problem of difficult layout and wiring caused by too large area of the existing multi-concurrent RAM circuit and too complex arbitration circuit is solved, routing FIFO and arbitration circuit are not needed, so that the hardware resource overhead is small, only a small number of fan-in and fan-out x-type routers are provided, the layout and wiring are simplified, and the main frequency of the circuit is effectively improved.
Owner:IFLYTEK CO LTD

A self-sufficient power supply circuit for flyback power converter

The invention relates to a self-supply circuit for a flyback power converter. A bus voltage supply module supplies power to a control chip after the bus is powered on. After the control chip is powered on, the primary winding of the transformer is controlled to work by the power supply control module, and the secondary auxiliary winding of the transformer obtains voltage from the coupling of the primary winding to supply power to the secondary winding of the transformer. The power supply module of the secondary winding of the transformer is charged to supply power to the control chip. The switching module turns off the power supply output of the bus voltage supply module to the control chip after the secondary winding power supply module of the transformer is fully charged. After the powersupply module of the secondary winding of the transform is charged, The bus voltage is cut off, and the auxiliary winding supplies power to the control chip alone. If the power supply module of the secondary winding of the transformer fails or the PWM driving output duty ratio of the control chip is small, and the power supply control module is abnormal, etc., the fault recovery can be carried out, and the control chip can not be powered down.
Owner:BEIJING RES INST OF PRECISE MECHATRONICS CONTROLS +1
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