Product
Patsnap Eureka
For R&D, Patsnap Eureka makes reading and utilizing patents & technical documents easy.
Patsnap Eureka AIR
Designed for self-driven R&D workflows. Generate viable solutions, solve complex R&D challenges, empower your innovation with AI.
Patsnap Eureka Materials
Designed for material experts only. Revolutionize your material R&D, from search, analyze, to developing new materials.
Feature
TechResearch
Generate reliable direction feasibility study reports for your R&D in just a few steps.
TechSeek
Discover and master advanced knowledge NOW. Basics, ideas, possibilities, all at once.
TechMind
As an expert in R&D Theories, TechMind can generates customized viable solutions instantly.
TechRisk
Analyze your overall solution with one click, know your potential R&D risks in advance.
TechMonitor
Get weekly tech updates, stay abreast of the latest tech innovations and key insights.
Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
33results about How to "Easy commissioning" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
System and method of transmitting industrial data
The invention provides a system and a method of transmitting industrial data. The system comprises a plurality of first objects, a statute gateway and a plurality of second objects, wherein each first object is respectively connected to the statute gateway and real-time communication can be synchronously carried out, the statute gateway is respectively connected to each second object and real-time communication can be synchronously carried out, each first object or each second object can be an instrument, single production equipment, a production equipment bus formed by a plurality of production equipment or a production system formed by a plurality of production equipment buses; the statute gateway comprises a distribution module, a first selection module, a data acquisition module, a second selection module, a data conversion module and a data transmission module.
Owner:西安咸林能源科技有限公司
CPT (Coherent Population Trapping) atomic clock
InactiveCN102063054AEasy commissioningCompact and reliableApparatus using atomic clocksPhotovoltaic detectorsTrapping
The invention relates to a CPT (Coherent Population Trapping) atomic clock which comprises a first physical unit, a second physical unit and a third physical unit, wherein the first physical unit comprises a laser, a flat convex mirror and a quarter wave plate; the second physical unit comprises a Polaroid set; the third physical unit comprises an Rb bubble air chamber and a photoelectric detector; the laser outputs round polarized light through the flat convex mirror and the quarter wave plate; and the round polarized light sequentially passes through the Polaroid set and the Rb bubble air chamber to the photoelectric detector. In the invention, the first physical unit, the second physical unit and the third physical unit have the advantages of compact and firm structure, convenience of debugging and strong adaptability and are particularly in an integrated design of a magnetic shielding device. The invention realizes the optimization design of the physical units with a miniaturization requirement under the condition of low micromachining process at present and has the advantages of low cost, high stability, convenience of debugging, small size and low power consumption.
Owner:合肥威师智能电子电器厂
Synchronous boost-buck device and synchronous buck-buck method thereof
InactiveCN102005918AMeet power needsQuick responseApparatus without intermediate ac conversionElectric variable regulationComputer scienceControl unit
The invention discloses a synchronous boost-buck device and a synchronous buck-buck method thereof. The synchronous boost-buck device comprises an MCU (Microprogrammed Control Unit), an input voltage sampling module, an output voltage sampling module, an output current sampling module and a synchronous boost-buck conversion module, wherein the MCU is respectively connected with the input voltage sampling module, the output voltage sampling module, the output current sampling module and the synchronous boost-buck conversion module, the input voltage sampling module and the output voltage sampling module are respectively connected with an input port and an output port of the device, and the synchronous boost-buck conversion module is respectively connected with the input port, the output port and the output current sampling module. In the invention, the synchronous boost-buck conversion module is started for boosting or bucking or first boosting and then bucking through an input voltage acquired by the input voltage sampling module, and meanwhile, the synchronous boost-buck conversion module is controlled to output a corresponding voltage value and a corresponding current value according to an output voltage and an output current so as to satisfy the power supply needs of portable equipment.
Owner:SHENZHEN JINGQUANHUA ELECTRONICS
Intelligent power supply and intelligent power supply realization method thereof
ActiveCN106712142AEfficient designStable designBatteries circuit arrangementsElectric powerBus interfaceEngineering
The invention discloses an intelligent power supply and an intelligent power supply realization method thereof. The intelligent power supply comprises a power processing module and a power bus interface. The power bus interface is used for intelligent power supply access to a target chip. The power processing module is used for carrying out conversion according to power demands of different power bus interface types or the power demand of the target chip to obtain N paths of voltages and outputting the N paths of voltages to the power bus interface, wherein the N is a positive integer. The power bus interface includes N power supply interfaces for transmitting the N paths of inputted voltages to the connected target chip through the N power supply interfaces. On the basis of the technical scheme, especially the power bus design, the on-board power supply design becomes efficient and stable; and the single board design efficiency can be improved and the follow-up adjustment and testing and maintenance can be realized conveniently.
Owner:ZTE CORP
Double-boot backup method and security equipment
InactiveCN101464804AImprove reliabilityEasy commissioningProgram loading/initiatingData switching networksSingle plateEngineering
The invention discloses safety equipment for dual Boot backup, which comprises the following steps: a BootRom is started, welded on a single plate of the safety equipment, and used for storing a root segment program and an extra segment program required when the safety equipment is started; the BootRom is backuped, and the safety equipment is electrically connected with BootRom via a control unit, provided with the same addressing space as that of the BootRom starting, and used for storing the root segment program required by the system starting; the control unit is used for detecting whether the root segment program is damaged during the starting of BootRom, and the safety equipment can be started via the root segment program in the backup BootRom if the root segment program is damaged during the starting of BootRom. By adding the backup BootRom, the reliability of updating the safety equipment is improved, the application of the safety equipment in a network becomes safer, and the normal start of the safety equipment is ensured even after the program is damaged. The invention also discloses a method for the dual Boot backup.
Owner:HANGZHOU DPTECH TECH
Lighting LED digital power-driven management control circuit
InactiveCN101861021AHighly integratedReduced output filter capacitor requirementsElectric light circuit arrangementMicrocontrollerEngineering
The invention relates to a lighting LED digital power-driven management control circuit, which comprises a digital pulse width modulation module, an analog to digital converter module ADC, a full digital phase-locked loop module, a microcontroller module and a digital compensator module. A digital circuit replaces the traditional analog circuit or mixed signal circuit, and the digital pulse width modulation module DPWM is adopted to digitally manage an independent digital control loop and a phase to monitor, control and manage DC / DC load point power conversion so as to provide a stable power supply to adjust the brightness of the LED; and the required control function can be realized under the control of the microcontroller according to the requirement of a user. Therefore, the complexity of the system is reduced, the integrity of the circuit is improved, the whole design can be realized by the hardware description language and the design and manufacture flow is simplified.
Owner:PEKING UNIV SHENZHEN GRADUATE SCHOOL +1
OADM site
ActiveCN1885755AReduce interruptionsMinimize or even eliminate disruptionWavelength-division multiplex systemsMultiplexingComputer science
The provided optical add-drop multiplexing site comprises: a first / second optical add-drop multiplexing module in series, a first / second switch device every with business I / O end and flash I / O end arranged on business-level light path between former modules. This invention is convenient to enlarge business, reduces effect of interruption, and needs just low cost.
Owner:HUAWEI TECH CO LTD
Debugging device and method for debugging roadside base station
InactiveCN102045739AEasy commissioningAvoid the pain of climbing the gantryTransmission monitoringWireless communicationRadio frequencyPath recognition
The invention provides a debugging device and a method for debugging a roadside base station by using the same. The debugging device comprises a microprocessor, a storage module, a display module, a key module and a radio frequency module, wherein the microprocessor receives a control command input through the key module, then executes a corresponding debugging program, sends a debugging instruction to a roadside base station through the radio frequency module, then analyzes an operation result which is returned by the roadside base station and sent by the radio frequency module, and then displays an analysis result through the display module. The debugging device is convenient for debugging personnel to debug the roadside base station in an ambiguity path identification system.
Owner:ZTE CORP
Special processing machine and processing method for auto decelerator shell
PendingCN108746754AReduce the difficulty of debuggingGuaranteed reliabilityLarge fixed membersMaintainance and safety accessoriesReduction driveEngineering
The invention discloses a special processing machine and a processing method for an auto decelerator shell, and in particular relates to the special processing machine and the processing method for the auto decelerator shell in the field of auto decelerator shell processing. The special double-end boring machine for the auto decelerator shell comprises a workpiece clamp, a transverse slipway, a longitudinal slipway, a transverse boring head and a longitudinal boring head, wherein a boring cutter is arranged at the front end of a cutter bar. The processing method for the auto decelerator shellcomprises the following steps: A, clamping the decelerator shell on a clamp; B, feeding to an appointed processing position; C, processing a big main gear bearing hole and a small main gear bearing hole, and processing a bearing hole of a differential simultaneously; and D, stopping the cutter bar directionally and moving the clamp to relieve the cutter. The special processing machine and the processing method disclosed by the invention solve the problem of coaxiality of main gear bearing holes, the offset and perpendicular dimension are controlled effectively, the quality reliability of a product is improved, and meanwhile, the maintenance and debugging difficulty of the equipment is reduced greatly.
Owner:SICHUAN JIANAN IND
Method of commissioning repeater device by using handheld terminal
InactiveCN107332582AEasy commissioningEasy to upgradeRadio transmissionMessaging/mailboxes/announcementsInterconnectionHand held devices
The invention relates to a method of commissioning a repeater device by using a handheld terminal. The method can be used for monitoring and commissioning the repeater device, thereby bring great convenience to operation and maintenance personnel and development staff. APP software is installed on the handheld terminal, the software interconnects and intercommunicates with the repeater device through a short message or a UDP, after receiving a short message instruction or UDP data, the device converts the short message instruction or the UDP data into corresponding MCPC or MCPA protocol data, the device performs related processing according to protocol content, and the handheld terminal receives the short message or UDP data sent by the device and analyzes and processes the data. Due to use of the handheld device, the maintenance and development staff does not need to carry a PC or notebook computer, so that the maintenance cost is lowered, the software is convenient to upgrade, and the device development staff and operation and maintenance personnel can perform device commissioning very conveniently.
Owner:WUHAN HONGXIN TELECOMM TECH CO LTD
Washpipe assembly
A washpipe assembly is described for a passage of pressurized drilling fluid from a stationary first conduit member to a rotating second conduit member. The washpipe assembly comprises a lower union secured to the rotating second conduit member, an upper union secured to the stationary first conduit member, a floating seal assembly attached to the upper union, a rotating seal ring attached to the lower union, and a stationary seal ring attached to the floating seal assembly. The washpipe assembly also includes a washpipe suspended inside the upper union and the floating seal assembly through a waveform snap ring.
Owner:BEIJING JJC PETROLEUM EQUIP
Method for controlling port state, routing equipment and network processor
ActiveCN105610740AAchieve closureReduce processing burdenData switching networksWireless communicationNetwork processorNetwork processing
The invention relates to the technical field of wireless communication, particularly relates to a method for controlling a port state and routing equipment, and is used for solving the problem that the operation of undoing shutdown of a port of managed equipment is complex. The method for controlling a port state comprises: a first port in a shutdown state in first equipment receives an indication message sent by a second port of second equipment and sends the indication message to a network processor (NP0 in the first equipment; the NP judges whether the indication message is a message for indicating undoing the port shutdown state or not, and if so, transmits the indication message to a CPU (Central Processing Unit) in the first equipment; and the CPU indicates the first port to undo the shutdown state after receiving the indication message transmitted by the NP. The method controls the port state by sending the indication message, so that an operator can remotely undo the shutdown state of equipment ports without entering the machine room of equipment, the operation is simplified, and the manpower and the time are saved.
Owner:HUAWEI TECH CO LTD
Reglation testing axiliary interface device of radio base station and testing system using it
InactiveCN100359971CReduce auxiliary workReduce complexityRadio/inductive link selection arrangementsTransmission monitoringInterface standardNetwork integration
A device of debugging auxiliary interface on radio base station consists of transmission interface unit coupled on baseband processing unit or radio frequency unit coupled of radio base station for receiving interface data of baseband processing unit or radio frequency unit, data processing unit coupled with transmission interface unit for processing interface data received by transmission interface unit, computer interface unit coupled with data processing unit for receiving the debugging command of user. The test system applying said device can debug base station system with different interface standard and different network integration conveniently and simply.
Owner:HUAWEI TECH CO LTD
Method for controlling port state, routing device and network processor
ActiveCN105610740BAchieve closureReduce processing burdenData switching networksWireless communicationComputer hardwareNetwork processor
The present application relates to the technical field of wireless communication, and in particular to a method for controlling the state of a port and a routing device, so as to solve the problem that the operation of releasing the closed state of the port of the off-management device is relatively complicated. The method for controlling the state of a port provided in the present application includes: the first port in the first device that is in the closed state receives the indication message sent by the second port of the second device, and sends the indication message to the network processor in the first device NP, NP judges whether this indication message is the message indicating to remove the closed state of the port, if so, then transmits the indication message to the CPU in the first device; after receiving the indication message transmitted by NP, the CPU indicates The first port is released from the closed state. The method realizes port state control by sending an instruction message, and can remotely release the closed state of the device port without the need for staff to enter the computer room where the device is located to operate, thereby simplifying the operation and saving manpower and time.
Owner:HUAWEI TECH CO LTD
System and method for industrial data transmission
The present invention provides a system and method for industrial data transmission. The system includes a plurality of first objects, a protocol gateway, and a plurality of second objects, each first object is respectively connected with the protocol gateway and communicates in real time at the same time, and the protocol gateway is respectively connected with each second object and performs simultaneous communication. Real-time communication, the first object or the second object is an instrument, a single production device, a production device bus composed of multiple production devices, or a production system composed of multiple production device buses; the protocol gateway includes: a distribution module, a first A selection module, a data acquisition module, a second selection module, a data conversion module and a data transmission module.
Owner:西安咸林能源科技有限公司
System and method for keyless entry and start of automobiles based on communication bus
The invention discloses an automobile keyless entry and start system and an automobile keyless entry and start method based on a communication bus. The automobile keyless entry and start method based on the communication bus comprises the following steps of recognizing whether an unlocking action exists or not through an inductive sensor by using an electronic control unit; transmitting a trigger signal to a central control unit if the unlocking action exists and transmitting an unlocking signal by using a low-frequency antenna transmitter within an effective transmitting range of the low-frequency antenna transmitter; transmitting a personal information signal by using a radio frequency transmitter within an effective transmitting range of the radio frequency transmitter after a low-frequency antenna receiver in an intelligent key receives the unlocking signal transmitted by the electronic control unit; detecting whether the radio frequency transmitter receives the personal information signal which is transmitted from the intelligent key or not after the central control unit receives the triggering signal transmitted from the electronic control unit; analyzing whether personal information is legal or not; and processing an engine unlocking and starting command transmitted by a chip if the personal information is legal. The automobile keyless entry and start system and the automobile keyless entry and start method based on the communication bus are low in energy consumption, convenient and reliable to operate and wide in application range.
Owner:MARELLI AUTOMOBILE ELECTRONIS GUANGZHOU CO LTD
Positioning circuit supporting commissioning, method of commissioning control, electronic device and vehicle
ActiveCN114003046BEasy commissioningEasy to troubleshootPosition/course control in two dimensionsVehiclesComputer hardwareControl signal
Owner:ZHIDAO NETWORK TECH (BEIJING) CO LTD
Vehicle control method and device, medium, chip, electronic equipment and vehicle
The invention relates to the field of automatic driving, in particular to a vehicle control method and device, a medium, a chip, electronic equipment and a vehicle. The method comprises the steps of determining one or more to-be-determined driving lanes corresponding to a road where a target vehicle is located according to a current position of the target vehicle and vehicle route information; determining a target lane of the target vehicle according to the driving efficiency of the to-be-determined driving lane under the condition that the to-be-determined driving lane contains the current lane on which the target vehicle is driving; and controlling the target vehicle to run according to the target lane. Wherein the vehicle route information comprises one or more roads corresponding to a preset driving path of the target vehicle, and one or more lanes corresponding to each road; the driving efficiency is used for representing the driving speed of the specified vehicle on the to-be-determined driving lane or the preset speed limiting speed of the to-be-determined driving lane.
Owner:XIAOMI EV TECH CO LTD
CPT (Coherent Population Trapping) atomic clock
InactiveCN102063054BEasy commissioningCompact and reliableApparatus using atomic clocksPhotovoltaic detectorsTrapping
The invention relates to a CPT (Coherent Population Trapping) atomic clock which comprises a first physical unit, a second physical unit and a third physical unit, wherein the first physical unit comprises a laser, a flat convex mirror and a quarter wave plate; the second physical unit comprises a Polaroid set; the third physical unit comprises an Rb bubble air chamber and a photoelectric detector; the laser outputs round polarized light through the flat convex mirror and the quarter wave plate; and the round polarized light sequentially passes through the Polaroid set and the Rb bubble air chamber to the photoelectric detector. In the invention, the first physical unit, the second physical unit and the third physical unit have the advantages of compact and firm structure, convenience of debugging and strong adaptability and are particularly in an integrated design of a magnetic shielding device. The invention realizes the optimization design of the physical units with a miniaturization requirement under the condition of low micromachining process at present and has the advantages of low cost, high stability, convenience of debugging, small size and low power consumption.
Owner:合肥威师智能电子电器厂
A shell for induction logging tool and its design method
ActiveCN102562030BMeet non-magnetic insulation requirementsShorten the lengthConstructionsCeramic layered productsGlass fiberDesign plan
The invention discloses a shell for sensing a logging device and a design plan for the shell, belonging to the logging inducing field. The shell comprises an upper joint and a lower joint, wherein the upper joint and the lower joint are hollow structures; the shell is characterized by further comprising a ceramic layer, a glass fiber reinforced plastics layer and a rubber layer which are sequentially sleeved; the ceramic layer is formed by bonding ceramic rings with the same specification; the ceramic layer is bounded between the upper joint and the lower joint; the annular empty chamber of the ceramic layer is communicated with the hollow structure; the glass fiber reinforced plastics layer is located above the ceramic layer and is connected with the lower joint and the upper joint; the rubber layer is located on the glass fiber reinforced plastics layer and is connected with the lower joint and the upper joint. The shell for sensing the logging device is simple in structure and convenient to install, debug and maintain the logging sensing device and greatly reduces the device cost.
Owner:BC P INC CHINA NAT PETROLEUM CORP +1
Module classifying managing method
InactiveCN100416555CEasy to defineEasy to reuseSpecial data processing applicationsManagement objectLower grade
This invention discloses a method for managing module under grading. The method includes: (a) Each module is set to correspond to a managed target, and each managed target has a group of managing commands including all supporting command; (b) All managed targets form a tree shaped managing structure according to registering relationship, wherein the registering managed target is a lower graded managed target, the registered managed target is a upper graded managed target, the uppermost graded managed target is a root managed target. (c) The root managed target receives external managing commands and sends them directly to the objected managed target specified in the managing commands, the object managed target processes the commands and returns back the result of process.
Owner:BEIJING UNIV OF POSTS & TELECOMM
Production equipment intelligent collecting terminal
PendingCN107283223ARealize the function of working condition data collectionSimple structureMeasurement/indication equipmentsTotal factory controlConvertersDisplay device
The invention relates to the technical field of data collection, and discloses a production equipment intelligent collecting terminal. The production equipment intelligent collecting terminal comprises a processor, digital analog converters, a data transmitting port, a storage device, a displayer, a motor motion collecting probe, an arc type air humidity collecting probe and a vibration data collecting probe; the motor motion collecting probe, the arc type air humidity collecting probe and the vibration data collecting probe are electrically connected with the respective digital analog converters, and the processor is electrically connected with the digital analog converters, the storage device, the displayer and the data transmitting port; and the motor motion collecting probe is arranged on a motor-power power line, the arc type air humidity collecting probe is arranged at the high position in a plant, the vibration data collecting probe is installed below a machine tool operation table, and the data transmitting port is used for being connected with a last-stage control module. According to the production equipment intelligent collecting terminal, the precision machine tool motor motion, humidity and vibration working condition data collecting function is achieved, the structure is simple, a control power route is avoided, the debugging work is simple, convenient and practical, and the using cost of related equipment is effectively reduced.
Owner:银川华信智信息技术有限公司
IC design circuit board debugging system of LED lamp and debugging method
InactiveCN108802064AImprove efficiency and accuracyEasy commissioningElectronic circuit testingMaterial analysis by optical meansEngineeringVoltage
The invention discloses an IC design circuit board debugging system of an LED lamp and a debugging method. An optical imaging device is used for collecting an optical image of a circuit board surfacecircuit line. An illuminating device is used for providing illumination in a circuit board debugging process. A debugging server is used for providing different voltage adjustment signals for a powersource device. The power source device is used for receiving the different voltage adjustment signals sent by the debugging server. A detecting device is used for detecting a current signal output inthe circuit board debugging process, and detecting whether a circuit board is qualified according to the output current signal. Firstly, the system is capable of detecting whether a position of an element on the surface of the circuit board is correct or not, and a problem that the element is mis-plugged on the circuit board is avoided. While the position of the element is correct, the circuit board is debugged through a detection signal, the debugging efficiency and accuracy of the circuit board are greatly improved, a debugging process is simple and convenient, and spent time of artificiallydebugging the circuit board is reduced at the same time.
Owner:ANHUI SHILIN LIGHTING
Intelligent power supply and its method for realizing intelligent power supply
ActiveCN106712142BEfficient designStable designBatteries circuit arrangementsElectric powerPower processingEngineering
The invention discloses an intelligent power supply and a method for realizing intelligent power supply. The intelligent power supply comprises: a power supply processing module and a power bus interface; wherein, the power bus interface is used for a target chip to access the intelligent power supply. The power processing module is used to convert and obtain N voltages according to the power requirements of different power bus interface types or the power requirements of the target chip, and output the N voltages to the power bus interface; N is a positive integer; the The power bus interface includes N power supply interfaces, and is used to transmit the input voltages of N channels to the connected target chip through the N power supply interfaces. Adopting the design solution described in the present invention, especially the proposed power bus design, can make the power supply design on the board more efficient and stable, improve the overall design efficiency of the single board and facilitate subsequent commissioning and maintenance.
Owner:ZTE CORP
Combined sensor
PendingCN107421587AFlexible combinationEasy commissioningElectric signal transmission systemsMeasurement devicesComputer hardwareSignal conditioning circuits
The invention discloses a combined sensor which includes an interface module, a processing module and a sensing module connected in sequence. The interface module includes a user interface, a processing module side interface, and a power control circuit. The processing module includes an interface module side interface, a processor circuit, a signal processing circuit, a signal sampling circuit, and a sensing module side interface. The sensing module includes a processing module side interface, a signal conditioning circuit, a sensing element, and an excitation circuit. The sensing element senses the parameters of a tested object in an excited or non-excited state, and converts the parameters into electricity. The signal processing circuit preprocesses a signal output by the sensing element, and outputs the signal to the signal processing circuit of the processing module for protecting, filtering and gain post-processing. The signal sampling circuit digitally samples the processed signal. The processor circuit carries out computation on the sampled signal, and exchanges data with the outside through the interface module.
Owner:YANTAI DONGRUN INSTR
Steering engine virtual debugging method and device thereof, terminal equipment and readable storage medium
PendingCN114065550ARealize virtual commissioningEasy commissioningGeometric CADDesign optimisation/simulationTerminal equipmentControl theory
The invention discloses a steering engine virtual debugging method and a device thereof, terminal equipment and a readable storage medium. The method comprises the steps that size parameters of all parts of a robot, position parameters of all steering engines and type parameters of all the steering engines are obtained; a 3D virtual model of the robot is constructed according to the size parameters of all the parts; each virtual steering engine is set on the 3D virtual model according to the position parameter of each steering engine and the type parameter of each steering engine; the debugging parameters of the ith virtual steering engine are determined according to the steering engine type parameters corresponding to the ith virtual steering engine, i is larger than or equal to 1 and smaller than or equal to I, and I is the total number of steering engines; and the ith virtual steering engine is debugged according to the debugging parameters of the ith virtual steering engine. The virtual debugging of the steering engine can be realized, the debugging mode does not need an actual robot and an actual steering engine, the debugging cost is effectively reduced, and the whole debugging process of the steering engine is simpler and more convenient.
Owner:UBTECH ROBOTICS CORP LTD
A Space Laser Communication Launcher
ActiveCN109194408BIncrease output powerAvoid wastingElectromagnetic transmittersOptical spaceHigh power lasers
Owner:THE GENERAL DESIGNING INST OF HUBEI SPACE TECH ACAD
OADM site
ActiveCN1885755BReduce interruptionsMinimize or even eliminate disruptionWavelength-division multiplex systemsMultiplexingComputer science
The provided optical add-drop multiplexing site comprises: a first / second optical add-drop multiplexing module in series, a first / second switch device every with business I / O end and flash I / O end arranged on business-level light path between former modules. This invention is convenient to enlarge business, reduces effect of interruption, and needs just low cost.
Owner:HUAWEI TECH CO LTD
Safety tongs for elevator and debugging method thereof
The invention relates to the technical field of elevator equipment, and particularly relates to safety tongs for an elevator and a debugging method thereof. The safety tongs comprise a tongs body, a movable brake block, a fixed brake block and an adjusting assembly, wherein the movable brake block is arranged on the right side of the interior of the tongs body; the adjusting assembly is arranged on the right side of the front surface of the tongs body; the adjusting assembly is used in cooperation with the movable brake block; a cavity is formed in the left side of the interior of the tongs body; and the fixed brake block is in sliding connection with the inner wall of the cavity. According to the safety tongs, workers can conveniently debug the safety tongs, moreover, one-time debugging is qualified, so that the debugging operation becomes simple, repeated debugging is not needed, and the problems that the debugging work becomes extremely tedious due to the fact that the adjustment ofthe pressure value of some existing safety tongs for the elevator is realized by increasing or decreasing gaskets in contact with a disc spring, and when the gaskets are increased or decreased, due to the fact that the thickness of the gaskets is certain, accurate adjustment is difficult to make, and errors exist in the adjustment operation are solved.
Owner:南通中力科技有限公司
A method and system for testing emergency broadcast rds modulation degree
ActiveCN113395127BReduce the difficulty of debuggingFine tuneBroadcast specific applicationsTransmission rate adaptationSpectrum analyzerSignal processing
The invention relates to the technical field of emergency broadcast debugging, in particular to a method and system for testing emergency broadcast RDS modulation degree. Applied to the RDS modulation degree test system, the system includes an emergency broadcast adapter and an FM transmitter; the method includes: receiving the antenna signal transmitted by the FM transmitter, extracting the pilot signal in the antenna signal; processing the antenna signal and outputting the baseband signal, from Extract the RDS signal from the baseband signal; collect the amplified pilot signal and RDS signal and perform analog-to-digital conversion, and calculate the amplitude of the RDS signal relative to the pilot signal according to the converted data; according to the amplitude of the RDS signal relative to the pilot signal Adjust the RDS signal modulation degree based on the difference from the empirical value. The invention can accurately read the intensity of the RDS signal, and the construction personnel can accurately adjust the FM transmitter through the aid of the village-equipped adapter. The debugging process is simple and convenient, and no special spectrum analyzer is required. Difficulty debugging.
Owner:HUIZHOU WELLAV TECH
Who we serve
- R&D Engineer
- R&D Manager
- IP Professional
Why Patsnap Eureka
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com