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34 results about "Small scale integration" patented technology

Small Scale Integration (plural Small Scale Integrations) (electronics) an integration type for digital circuits that contain transistors numbering in the tens providing a few logic gates per chip.

SSI (Small Scale Integration) data transmitter for rotary encoder based on CPLD (Complex Programmable Logic Device)/FPGA (Field Programmable Gate Array)

The invention discloses an SSI (Small Scale Integration) data transmitter for a rotary encoder based on a CPLD (Complex Programmable Logic Device) / FPGA (Field Programmable Gate Array), which adopts the CPLD / FPGA as a basic hardware platform and mainly comprises an RD (Resistance discharge) controller, an SSI communication interface, an FIFO (First In First Out) and an RD decoder. The SSI data transmitter has the advantages that the characteristic information of the descending edge, the ascending edge, the high-low level duration time and the like of an SSI synchronous clock for the rotary encoder can be automatically detected; the absolute type parallel data of the angular displacement information output by a rotary transformer can be directly converted into the serial mode of the SSI interface for an industrial encoder to be transmitted; and the SSI data transmitter provides a new method for realizing the application of the SSI interface by the rotary encoder on industrial site.
Owner:BEIJING ARITIME INTELLIGENT CONTROL

Blade server

The invention provides a blade server which comprises a chassis with the height of 10U. A middle plate is arranged in the chassis and provided with a front side part and a back side part, wherein the front side part of the middle plate is provided with 10 blades (20), 20 hard discs (8), two management modules (4) and a front-side switchboard module; and the back side part of the middle plate is connected with four fan modules (16), 20 PCI (Programmable Communications Interface) expansion cards (18), four power source modules (14) and six back-side switchboard modules. In the invention, through the arrangement way of each module (including the blades) in the front space and the back space of the chassis, the space of the chassis of the blade server can be fully utilized to correspondingly improve the computation intension and the data processing ability of the blade server. In addition, the blade is an SSI (Small Scale Integration) standard blade so as to be compatible with the SSI standard in a designing way, and the blade server also benefits the reduction of part cost.
Owner:DAWNING INFORMATION IND BEIJING +1

Intelligent PoE (Power over Ethernet) switch and implementation method thereof

The invention discloses an intelligent PoE (Power over Ethernet) switch and an implementation method of the PoE switch. A switch system comprises a data exchange module, a PoE management module, a system management module and a power supply module, wherein the data exchange module and the PoE management module respectively use a data exchange ASIC (Application Specific Integrated Circuit), a port expansion ASIC and a PoE management ASIC; the system management module uses an intelligent switch to perform Web management on an MCU (Microprogrammed Control Unit), uses SSI (Small Scale Integration) and CGI (Computer Graphics Interface) technologies and uIP protocol to perform Web management on the switch, and the MCU realizes intelligent management on the data exchange module and the PoE management module through I2C and MII interfaces; and the power supply module uses a UPS (uninterrupted power supply) to supply power to a PoE power supply and a system power supply. The intelligent PoE switch not only has an intelligent Web management function, but also has an uninterrupted PoE power supply function, completely supports various types of AF / AT equipment and has strong applicability.
Owner:LILING FULLRIVER ELECTRONICS & TECH LTD

Digital circuit experiment device and experiment method

The invention discloses a digital circuit experiment device and experiment method. The digital circuit experiment device comprises an FPGA chip which is in communication with an upper computer and placed in an experiment box, connecting wires between pins of the FPGA chip and pins of IC sockets are achieved through wiring of a PCB, the FPGA chip is connected with the multiple IC sockets, and a power source of the IC sockets and the ground are connected with a corresponding power source for supplying power to the experiment box and the ground respectively. Due to switching on and switching off of a switch arranged in a switch circuit, various data are input into an integrated circuit, and various corresponding data output by the integrated circuit are displayed on a display circuit. Interference, error wire connection and poor contact caused by chaos wire connection of metal wires can be avoided. The small-scale integrated circuit of the digital circuit experiment box is reserved, and a beginner can establish the logic circuit concept easily. The wire connection relation of a conducted experiment can be reserved for the upper computer, and convenience is provided for repeatedly verifying the experiment and completing a half-finished experiment.
Owner:SHANDONG NORMAL UNIV

High-density integrated circuit package structure

The invention discloses a high-density integrated circuit package structure which comprises a metallic lead frame formed by a lead frame basis, an inner lead pin and an outer pin. A chip is fixed on the lead frame basis, a micro connecting line is arranged between the chip and the inner lead pin, and the lead frame, the chip and the micro connecting line are sealed in a cuboid plastic-sealed body. The length A1 of the plastic-sealed body satisfies the relation of 5.13mm<=A1<=5.23mm, the width A2 of the plastic-sealed body satisfies the relation of 5.18mm<=A2<=5.38mm, and the thickness A3 of the plastic-sealed body satisfies the relation of 1.70mm<=A3<=1.90mm. The package structure is applicable to small and medium integrated circuits with special requirements on high frequency, high bandwidth, low noise and high heat conduction and electric conduction performance, and overcomes the defects that a conventional packaging structure is low in circuit integrated level, high in packaging cost and low in performance.
Owner:CHINA CHIPPACKING TECH

Low-cost variable pitch system

The invention discloses a low-cost variable pitch system which comprises a programmable logic controller (PLC) module, an absolute value encoder and a variable pitch driver, wherein the variable pitch driver is provided with a digital signal processor (DSP). An output end of the absolute value encoder is communicated with an input end of the DSP by a small scale integration (SSI) port, and an output end of the DSP is communicated with an input end of the PLC module, through a communication mode. An existing hardware condition is used so as to save multiple PLC modules, and reduce the number of lines between equipment cabinet plugs. A communication module on the PLC module only needs increasing, so that working load of the PLC module is reduced, and cost of a variable pitch system is reduced.
Owner:SUZHOU NENGJIAN ELECTRIC

Micro broad-pulse dual-wavelength optogenetic stimulation device

The invention relates to a micro broad-pulse dual-wavelength optogenetic stimulation device which comprises a small-scale integrated circuit, semiconductor light-emitting devices and switch type driving circuits, wherein the small-scale integrated circuit is respectively connected with two adjustable resistors capable of independently adjusting pulse parameters within large ranges, a changeover switch and an electrical interface; the electrical interface is used for monitoring pulse waveforms and parameters; both ends of the changeover switch are respectively connected with the switch type driving circuits; the two switch type driving circuits are respectively connected with one semiconductor light-emitting device; light pulses of two wavelengths, which are sent out by the driven semiconductor light-emitting devices, are respectively coupled to a light output interface through an optical fiber to be output or are directly output by the optical fiber; and the small-scale integrated circuit is connected with a power supply through a micro voltage-stabilizing module. The invention is applicable to light-emitting diodes (LED) and laser diodes (LD), can be applied to laser diode-pumpedsolid or optical fiber lasers, has fine universality and generality, and can be implemented in a flexible mode.
Owner:SHANGHAI INST OF MICROSYSTEM & INFORMATION TECH CHINESE ACAD OF SCI

Audio system with small scale integration (SSI) module and working method thereof

The invention provides an audio system with a small scale integration (SSI) module. The audio system with the SSI module comprises a digital processor with the SSI module, and an inter-IC sound (I2S) audio digital-to-analog converter, wherein the digital processor controls the SSI module to send audio signals SCK0, audio signals MOSI0 and audio signals SSEL0 to the I2S audio digital-to-analog converter for audio playing, the audio signals SCK0 pass through a NOT gate to be input to a pin BCK of the I2S audio digital-to-analog converter, the audio signals MOSI0 are directly input to a pin DATA of the I2S audio digital-to-analog converter, and the audio signals SSEL0 pass through a D flip-flop for dividing frequency by two and then are input to a pin WS of the I2S audio digital-to-analog converter. The audio signals SCK0 are audio clock signals, the audio signals MOSI0 are audio data signals, and the audio signals SSEL0 are audio indicator signals. Due to the technical scheme, the audio system with the SSI module can output high-quality audio signals.
Owner:AEROSPACE SCI & IND SHENZHEN GROUP

Universal electronic potentiometer module

The invention discloses a universal electronic potentiometer module. Functional circuits such as a key switch, a square generator, an accelerating circuit, a keystroke distinguishing circuit, a counter, an NPN-typed triode array with the collector open and a resistance network and the like are electrically connected to form a complete electronic potentiometer apparatus which outputs a passive power to realize the function of a common potentiometer and expand new functions. The invention has a resistance output mode and a voltage output mode, can also lead an output value to be passively adjusted or reversely adjusted; the modes and functions can lead the module to be very easily and directly connected with other various external active circuits, and are broadly applied to various electronic fields. The technical principle construction realizing method of the invention is as follow: 1) using separated elements and small scale integrated circuits; 2) using the singlechip like AT89C2051 as a core; 3) integrating the function components and elements which can be integrated.
Owner:武汉市创佳源电子有限公司

Control circuit for one-way switch of embedded portable device

The invention discloses a control circuit for a one-way switch of an embedded portable device. The control circuit comprises a battery voltage comparison module, a delay module, an AND gate module, a phase inverter module and a trigger module. The control circuit is characterized in that by use of small-scale integrated circuits, a few capacitors, a few resistors and diodes, a switch circuit which has reliable performance and powerful functions and is applied to an embedded portable system is formed is formed; the control circuit comprises a power button, the voltage comparer IC1, the phase inverter module IC2, the AND gate module IC3, the trigger module IC4 and the delay module consisting of resistors R5-R7, a capacitor C1 and a diode D1; and an inverted output end pin 3 of the trigger module IC4 is connected with a pin 1 of the capacitor C1 through the diode D1 and the resistor R7, thereby forming a circuit capable of rapidly starting up after electrification and forced close-down.
Owner:深圳市索瑞图科技有限公司

Synchronous acquisition instrument for load and opening signals of winch hoist

InactiveCN102507063AConvenient data synchronization acquisitionGuaranteed uptimeApparatus for force/torque/work measurementMicrocontrollerWater resources
The invention provides a synchronous acquisition instrument for load and opening signals of a winch hoist. The synchronous acquisition instrument consists of a singlechip, a small scale integration (SSI) angle encoder module, a pressure sensor module, a security digital (SD) card memory, a keyboard control module, a status indication module, a universal serial bus (USB) communication module, a calendar clock module and a multipath power modules. The output end of the SSI angle encoder, the output end of the pressure sensor module, four communication ports of the SD card memory, the output end of the keyboard control module, the input end of the status indication module, the USB communication module and the output end of the calendar clock module are connected through input / output (I / O) ports of the singlechip; and the output ends of the multipath power module are connected to voltage input ends of the singlechip and the SD card. The instrument synchronously acquires data, provides data support and reference for reasonable utilization and accurate scheduling of water resources, and has the characteristics of high memory capacity, small volume, high adaptability, simplicity, reliability, convenience for use, high portability and the like.
Owner:KUNMING UNIV OF SCI & TECH

Plasma subcritical/supercritical fluid generator and abrasive water jet cutting head comprising generator

The purpose of the invention is to provide a plasma subcritical / supercritical fluid generator and an abrasive water jet cutting head comprising the generator. The plasma subcritical / supercritical fluid generator comprises a protrusion electrode and an annular electrode, wherein the protrusion electrode and the annular electrode are connected through an insulation sealing ring; an electrode protrusion is formed in the middle of the protrusion electrode; holes are formed in the periphery of the electrode; a central hole is formed in the middle of the annular electrode; the electrode protrusion is opposite to the central hole; the protrusion electrode and the annular electrode are connected to a power supply; fluid flows into the generator through the holes at the periphery of the protrusion electrode and flows out of the generator through the central hole of the annular electrode; or the fluid flows into the generator through the central hole of the annular electrode and flows out of the generator through the holes at the periphery of the protrusion electrode; the electrode protrusion emits plasma beams, and the plasma beams pass through the fluid and then enter the annular electrode; or the annular electrode emits plasma beams, and the plasma beams pass through the fluid and then enter the protrusion electrode. By generating the plasma beams in the fluid, the inside of the generator is heated; the generator is applicable to small-scale integration and can be widely used in all systems and devices which need to generate subcritical / supercritical fluids.
Owner:HARBIN ENG UNIV

Developing cavity and developing machine base

The invention discloses a developing cavity and a developing machine base and relates to a technology for manufacturing a semiconductor chip. The developing cavity comprises a cavity body (201), a flushing pipeline (202) arranged in the cavity body, a developing solution pipeline (203) and a slide glass table (204), wherein the developing solution pipeline (203) has a diameter greater than 0.0625 inch, and a developing solution outlet of the developing solution pipeline (203) is formed above the slide glass table (204) and is vertical to the slide glass table (204). By increasing the diameter of a developing solution pipeline in the developing cavity and modifying the position of the developing solution outlet of the developing solution pipeline to be vertical to the slide glass table, the developing solution can be uniformly accumulated on a silicon chip in a shorter time; therefore, the developing effects of a series of small scale integration (SSI) series machine bases are optimized.
Owner:PEKING UNIV FOUNDER GRP CO LTD +1

Variation characteristic of output value of universal electronic potentiometer module

The variation characteristic of the module output value of a general electronic potentiometer module means the output characteristics of linear variation, index (cologarithm) variation, logarithmic variation and arbitrary variation according to the regulation of applied mathematics through a method of changing the resistance of a resistance network; the output characteristic can be realized in an adjustable resistance output mode and a potentiometer output mode of the general electronic potentiometer, and in the following three structure generation modes which are as follows: 1) using a discrete component and a small-scale integrated circuit; 2) using a singlechip, such as AT89C2051 and the like as a core matched with programmed control; and 3) integrating integrated components of all control circuits.
Owner:武汉源和翔科技有限公司

Design method of system for monitoring number of students in classroom

InactiveCN103886662AIt has the function of timely monitoring and statistics of the number of classroomsEasy to makeIndividual entry/exit registersSystems designInterference resistance
The invention discloses a design method of a system for monitoring the number of students in a classroom. In the design method of the system for monitoring the number of students in the classroom, HN911 pyroelectric infrared sensor modules are combined with small and medium-sized integrated circuits 74LS192, 74LS47, 74LS08 and 74LS86, a digital display tube and the like. In the system, two HN911 pyroelectric infrared sensor modules are arranged at the gate of the classroom and are used for acquiring information about people entering the classroom, reversible counting (up counting is performed when students enter the classroom, and down counting is performed when students exit from the classroom) is performed by using thousand-system reversible counters consisting of 74LS192, 74LS08 and 74LS86, a binary number is converted into a decimal number through a 74LS47 decoder, and the digital display tube is used for displaying a decimal number counting result. The system has the functions of monitoring and counting the number of students in the classroom timely and resetting, has the characteristics of high interference resistance and high stability, is low in price and convenient to install and maintain, and has a very high practical value and a wide application prospect.
Owner:吴勇灵

Universal electro-hydraulic position servo driver

The invention relates to a universal electro-hydraulic position servo driver. The existing electro-hydraulic servo system driver mainly adopts a distributed structure. In the universal electro-hydraulic position servo driver, an SSI (Small Scale Integration) conversion module is externally connected with an SSI displacement sensor and is used by the driver for the preprocessing of input signals. An ARM 7 core is the core of the driver. An operating panel is a visual interactive operating interface and mainly consists of a liquid crystal display, a keyboard input and a light-emitting diode (LED) indicator lamp. A serial port level conversion module provides an external control port for the driver and a computer can realize the real-time data communication and the accurate system control of the servo driver through the serial port level conversion module. A digital-to-analog (D / A) conversion and amplification module is an ARM 7 self-contained D / A module and can provides an electric control signal for a servo valve or a proportional valve. A power supply module is used for providing power for all modules of the driver. The universal electro-hydraulic position servo driver has the advantages that the structure is simple, the integration level is higher, the driver is convenient to operate, the cost is lower and the large-scale popularization and application are facilitated.
Owner:东莞市台嘉晟实业有限公司

Porous ceramic electronic cigarette heater and preparation method thereof and electronic cigarette

The invention discloses a porous ceramic electronic cigarette heater. The porous ceramic electronic cigarette heater comprises a porous ceramic carrier, a heating layer and a power supply, wherein theporous ceramic carrier is used for attracting tobacco tar, the heating layer covers the upper surface of the porous ceramic carrier and is used for heating the tobacco tar, particularly, the heatinglayer is formed by sintering resistance paste, the heating layer comprises a permeable heating layer permeating into the porous ceramic carrier, and the power supply is connected to the heating layerthrough a lead and used for supplying power to the heating layer. The provided porous ceramic electronic cigarette heater has the advantages that heating is quick, the power density is high, the thermal capacity is low, the small-scale integration is easy, the impact resistance is strong, the porous ceramic electronic cigarette heater is low-temperature and environmentally-friendly, and the heavymetal pollution does not exist, and the problems are solved that a traditional electronic cigarette heater has low heat efficiency, easy oxidation, brittle failure, change of a resistance value (power) and the like. The invention further provides a preparation method of the porous ceramic electronic cigarette heater and an electronic cigarette, and the preparation method of the porous ceramic electronic cigarette heater and the electronic cigarette have the above advantages.
Owner:ZHUZHOU LEEDINK ELECTRONICS TECH CO LTD

Two resistance output modes of universal electronic potentiometer module

The invention relates to two resistance output modes of a universal electronic potentiometer module, which are complete output schemes especially fitted for the universal electronic potentiometer module according to the utilization characteristics of the potentiometer, namely adjustable resistor output mode and potentiometer output mode. The two output modes have respective advantages and disadvantages, and can complement each other in practical application. The two output modes can be respectively composed of various electronic switching elements and resistance networks. The invention can effectively implement three structure generation modes of the universal electronic potentiometer module: (1) a discrete component and a small scale integrated circuit, and (2) a single chip microprocessor, such as AT89C2051 and the like, which is used as the core, cooperates with program control; and (3) integration of all integrable elements of on the control circuit.
Owner:武汉源和翔科技有限公司

Multichannel SSI (small scale integration) data collecting module based on MicroBlaze soft core

The invention relates to a multichannel SSI (small scale integration) data collecting module based on a MicroBlaze soft core. The multichannel SSI data collecting module has the main technical characteristics that the multichannel SSI data collecting module comprises an SSI multichannel collecting unit and the MicroBlaze soft core arranged in an FPGA (field programmable gate array), wherein the SSI multichannel collecting unit consists of a register array and a data collecting unit, on one hand, the register array is connected with a CPU (central processing unit) through a PLB (processor local bus), on the other hand, the register array is connected with the data collecting unit, the data collecting unit is connected with an encoder through a signal wire and is used for collecting data of the encoder and transmitting the data to the register array, and the register array transmits the collected data to the CPU through the PLB. The multichannel SSI has the advantages that the data collecting and processing functions of multichannel encoders are realized through the SSI multichannel collecting unit and the MicroBlaze soft core arranged in the FPGA, the whole data collecting and processing processes can be respectively completed in the FPGA, and the data transmission path and the operation path are shortened, so the multichannel data collecting speed is accelerated, and the problems of slow data collecting process and long operation period are solved.
Owner:SHENZHEN PUZHILIANKE ROBOT TECH CO LTD

Vortex beam intensity multiplexing communication system

ActiveCN102857318BExpansion of multiplexing communication technologyImprove communication capacityRadiation/particle handlingOptical multiplexOptical communicationPhysics
The invention provides a vortex beam intensity multiplexing communication system, which relates to an electrical communication system using optical communication as a transmission path, namely low order vortex beam intensity multiplexing of two topological charge numbers. The vortex beam intensity multiplexing communication system comprises a first signal source, a second signal source, a first power amplifier, a second power amplifier, topological charge number low order vortex beam emitters, a coupler, transmission media, five vortex beam detectors, fixed racks of the vortex beam detectors, a first switching circuit, a second switching circuit, a first display circuit and a second display circuit; the electrical communication system can realize the low order vortex beam intensity multiplexing of two topological charges by adopting and setting vortex beam sending intensity, and arranging the five vortex beam detectors, the two switching circuits and the display circuits, so that the defects, such as a large number of using devices, a complex structure and hardiness in small-scale integration, existing in the process for realizing the beam track angular momentum multiplexing in the prior art can be overcome.
Owner:HEBEI UNIV OF TECH

Integral positive and negative continuous linear adjustable high voltage output power supply circuit

ActiveCN106130386ACorresponds to good linearityImprove output accuracyAc-dc conversionRemote controlTerminal voltage
The invention relates to an integral positive and negative continuous linear adjustable high voltage output power supply circuit which comprises a control voltage linear conversion circuit and a positive and negative high voltage output automatic switching circuit. The control voltage linear conversion circuit is connected with the positive and negative high voltage output automatic switching circuit. The integral positive and negative continuous linear adjustable high voltage output power supply circuit provided by the invention has the advantages that high voltage output is continuously and linearly adjustable from negative to positive or from positive to negative; the output precision is high; positive and negative high voltage output and external control terminal voltage have great corresponding linearity; the remote control precision is effectively improved; the accuracy of follow-up data statistics and analysis is improved; and the requirements of small-scale integration and automation remote control are met.
Owner:东文高压电源(天津)股份有限公司

Micro broad-pulse dual-wavelength optogenetic stimulation device

The invention relates to a micro broad-pulse dual-wavelength optogenetic stimulation device which comprises a small-scale integrated circuit, semiconductor light-emitting devices and switch type driving circuits, wherein the small-scale integrated circuit is respectively connected with two adjustable resistors capable of independently adjusting pulse parameters within large ranges, a changeover switch and an electrical interface; the electrical interface is used for monitoring pulse waveforms and parameters; both ends of the changeover switch are respectively connected with the switch type driving circuits; the two switch type driving circuits are respectively connected with one semiconductor light-emitting device; light pulses of two wavelengths, which are sent out by the driven semiconductor light-emitting devices, are respectively coupled to a light output interface through an optical fiber to be output or are directly output by the optical fiber; and the small-scale integrated circuit is connected with a power supply through a micro voltage-stabilizing module. The invention is applicable to light-emitting diodes (LED) and laser diodes (LD), can be applied to laser diode-pumpedsolid or optical fiber lasers, has fine universality and generality, and can be implemented in a flexible mode.
Owner:SHANGHAI INST OF MICROSYSTEM & INFORMATION TECH CHINESE ACAD OF SCI

Output value digital display of electronic potentiometer module

InactiveCN101847974AIncrease digital display functionSpeed ​​up the process of replacing mechanical potentiometersImpedence networksMicrocontrollerElectrical resistance and conductance
The invention relates to output value digital display of an electronic potentiometer module, which adopts the combination of a digital display device and a universal electronic potentiometer module to form a digital-display electronic potentiometer module. The output value digital display can accurately display two signals output by the universal electronic potentiometer module: 1, a digital signal of a BCD (Binary Coded Decimal) code or a binary code output from a counter; 2, an analog voltage signal output from TL431 and an analog resistance signal output from a resistance network. Display digits adopt a two-digit, a three-digit, a four-digit and a five-digit according to functions and use requirements of the electronic potentiometer module. The output value digital display can combine with the universal electronic potentiometer module into a whole through the following three formation modes of: (1) using discrete elements and a small scale integrated circuit; (2) using singlechips, such as AT89C2051, and the like as cores; and (3) integrating integrative function components.
Owner:武汉源和翔科技有限公司

Configurable universal small-scale integrated ASIC chip

The invention discloses a configurable universal small-scale integrated ASIC chip. A plurality of 54-series military small-scale integrated circuits with different functions are integrated on the ASICchip, and the function selection of the chip is realized by pulling up and down the exteriors of the four function configuration pins, so that one ASIC chip can be universally applied to various small-scale integrated circuit application occasions. The ASIC chip disclosed by the invention can replace the conventional 54-series military small-scale integrated circuit which is commonly used for import or domestic use, and has the characteristics of high universality, configurability, high reliability and low cost.
Owner:NAT SPACE SCI CENT CAS
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