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.
369results about How to "Reduce networking costs" 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
Method, system and server for realizing secure assignment of DHCP address
InactiveUS20080092213A1Enhanced securityNetwork cost be lowerDigital data processing detailsComputer security arrangementsClient-sideIp address
A method, a system and an authentication server for realizing a secure assignment of a DHCP address are disclosed. The method includes: sending a DHCP Discovery message via an access network; obtaining the identification information of the DHCP client and performing an authenticating to the DHCP client based on the identification information; and only assigning the address to the DHCP client has passed the authentication. Therefore, in the present invention, access authentication may be performed on a subscriber according to location information, and IP address is only assigned to the valid subscriber and terminal. Therefore, the security of the address assignment in DHCP mode may be enhanced greatly. Moreover, in the present invention, addresses may be managed by an AAA server unitedly, or the addresses may be assigned after being authenticated by the AAA server successfully.
Owner:HUAWEI TECH CO LTD
Network topology optimization methods and apparatus for designing IP networks with performance guarantees
InactiveUS6909700B1Reduce networking costsOptimize networkError preventionTransmission systemsNetwork topologyDistributed computing
Methods and apparatus are provided for designing IP networks with substantially improved performance as compared to existing IP networks such as, for example, those networks designed under best-effort criteria. Particularly, the invention includes methods and apparatus for: computing worst-case and optimistic link capacity requirements; optimizing network topology; and determining router placement within a network.
Owner:LUCENT TECH INC
Method and system for selecting network equipment
ActiveUS20100080186A1Save equipment overheadReduce relocationNetwork traffic/resource managementWireless commuication servicesService developmentComputer science
A method and a system for selecting network equipment are provided. The method includes: selecting a primary pool or a pool with the highest priority from preset information when UE needs to select network equipment; and selecting the network equipment for the UE from the selected primary pool or pool with the highest priority. Thus, the relocation times of an MME and a serving SAE gateway are effectively reduced and an operation efficiency of a network is enhanced. Meanwhile, the UE having or subscribing a new service function selects to be attached to the network equipment with the new service function within a pool, such that the diversity demands for service development are satisfied, and the equipment overhead is saved.
Owner:HUAWEI TECH CO LTD
OFS in-band communication method and OFS
ActiveCN103259728AReduce networking costsHybrid transportHigh level techniquesNetwork packetNetwork management
The invention discloses an OFS in-band communication method and OFS, and relates to the field of communication. The OFS in-band communication method comprises steps: an LLDP data package is received; when a sender side type of the received LLDP data package is judged to be OFC through a role subfield, controller list table entries are created or updated; a first TCP handshaking package used for building TCP connection is obtained. According to a destination MAC and a destination IP carried in the TCP handshaking package, a controller list is sought to find whether a corresponding controller list entry exists in the controller list, if the answer is yes, flow table entries are updated according to the MAC, IP and the in_port in the corresponding controller list entry of the controller list, and the OFS is enabled to be capable of forwarding the package sent to the OFC to the OFC through a flow table. The OFS in-band communication method and the OFS simply need to maintain a network management system, and network assembling cost is reduced.
Owner:HUAWEI TECH CO LTD
Transport network and method
InactiveUS7133403B1Improved external representationEasy to optimizeData switching by path configurationTime-division multiplexing selectionSingle elementEngineering
A transport network includes a flexible topology for internally defining transport elements. The transport elements each include a port group having a plurality of geographically distributed ports from the transport network. Point-to-multipoint connectivity is defined between the ports in a port group. An identifier represents the port group as a single element to internal and / or external elements for protocol exchanges.
Owner:FUJITSU LTD
Optical transmission systems, devices, and methods
ActiveUS7606494B1Improve operational flexibilityEfficient and low optical communicationMultiplex system selection arrangementsWavelength-division multiplex systemsCommunications systemTransmission system
Optical communications systems including grooming, protection, restoration, and migration on a unified network platform, and using a unified control plane. The systems may include combinations of optical bypass and mesh restoration, may include combinations of shared mesh and dedicate protection, and may be combinations of long haul, extended long haul, and ultra long haul systems. The systems may also include a configurable DWDM tier to accommodate dynamic traffic patterns, thereby allowing for increased operational flexibility.
Owner:LEVEL 3 COMM LLC
Passive optical network protection method, switchover control device, and passive optical network protection system
ActiveUS20110317995A1Smooth communicationReduce networking costsMultiplex system selection arrangementsLaser detailsEngineeringProtection system
The present invention discloses a passive optical network (PON) protection method, a switchover control device, and a PON protection system. In embodiments of the present invention, a protection optical line terminal (OLT) is connected to optical links of at least two working OLTs through the switchover control device; when a working OLT or working optical link fails, the switchover control device replaces the working OLT through the protection optical link, thus ensuring smooth communication. In addition, by using the networking mode of multiple working OLTs and one protection OLT, the embodiments of the present invention greatly saves the networking cost and facilitates the application of the PON technology.
Owner:HUAWEI TECH CO LTD
Method, system and device for authenticating portal in wireless network
ActiveCN101621802AReduce networking costsSecurity arrangementNetwork data managementComputer networkWeb authentication
The invention provides a method, a system and a device for authenticating a portal in a wireless network. The method comprises the following steps: after receiving an authenticating request of a mobile terminal (STA) by a wireless access point (AP), transmitting the authenticating request to an accessing controller (AC) through the control of the wireless accessing point and a supply protocol (CAPWAP) tunnel, and forwarding the authenticating request to a portal server by the AC; after the AC successfully authenticates the STA by the Portal server, transmitting configuration information to indicate the AP to start a local forwarding function to the STA through the CAPWAP tunnel by the AC; and after learning a condition that the STA quits the authentication, transmitting configuration information to indicate the AP to close the local retransmission function to the STA through the CAPWAP tunnel. The invention is capable of using a prior network authentication framework to perform a Portal authentication under the condition of an AP local retransmission without extra increasing authenticating apparatuses, thereby saving the networking cost.
Owner:NEW H3C TECH CO LTD
Electric power wireless broadband communication system based on TD-LTE 230
InactiveCN103796201AEfficient managementImprove transmission efficiencyNetwork traffic/resource managementData switching networksVideo monitoringFrequency spectrum
The invention provides an electric power wireless broadband communication system based on TD-LTE 230 by combining the actual service requirements of a power distribution and consumption network of an intelligent power grid and the existing spectrum resources of power enterprises. The system comprises a core network, a network management system, a base station, a communication terminal and other network element equipment. The invention further provides a networking network for the network element equipment. The system involves the spectrum sensing and carrier aggregation technology under a discrete and narrow-band spectrum condition, the link adaptive algorithm, the enhanced interference suppression technology, the power control technology, the automatic matching algorithm for downlink and uplink bandwidth and other advanced technologies, provides a solution for the problem that the existing electric power system is low in spectral efficiency, low in networking capability and poor in real-time performance, and can realize reliable communication among a large number of scattered nodes of a power distribution and consumption system. The system provided by the invention supports electric information acquisition, distribution network automation, load control monitoring, video surveillance and other services in the power distribution and consumption link.
Owner:STATE GRID ELECTRIC POWER RES INST +2
Lora mobile unit for allowing a mobile device to directly access lora information packets and data transmission method of same
InactiveUS20180062873A1Reduce networking costsType is limitedInformation formatNetwork topologiesWireless transmissionWireless sensor networking
A LoRa mobile unit includes a main control circuit with a central processing unit, a LoRa communication module including a LoRa communication circuit electrically coupled to the central processing unit for wireless communication with an external LoRa wireless sensor network for transmitting and receiving LoRa information packets, and a wireless communication circuit electrically coupled to the central processing unit. When the LoRa communication module receives a LoRa information packet from the LoRa wireless sensor network, the central processing unit converts the LoRa information packet into a formatted information packet readable by the Bluetooth module, Wi-Fi module, mobile communication module or NFC module of the wireless communication circuit for wireless transmission to an external mobile device so that an external mobile device within the signal coverage is cable to directly access LoRa information packets.
Owner:ADLINK TECH INC
Method for transmtitig digital video
InactiveCN1728713ARealize triple playReduce networking costsTransmissionDigital videoNetwork management
Using packet switching, the disclosed digital video transmission method can be applicable to united public network in next generation. New layer of data link layer protocol - data link procedure (DLP) is introduced between digital video service layer and each physical layer. Using DLP protocol defined destination address code and source address code compatible to current telephone number system as addresses of sending end and receiving end of digital video signal realizes forwarding and exchanging digital video signal in two layers, as well as realizes purpose compatible between packet voice network and IP network. Using safety mechanism, network control management mechanism, flow management mechanism provided by DLP realizes network management control function such as two layer protected rearrangement in two layers, performance management, fault management etc. The method makes current communication network transits to united public network in next generation smoothly.
Owner:邓里文
System and method for managing interconnect carrier routing
ActiveUS7050555B2Total revenue maximizationReduce networking costsMultiplex system selection arrangementsInterconnection arrangementsTraffic capacityTelecommunications network
A system and method for managing a carrier's interconnect traffic across a telecommunications network, the method involving receiving cost and routing rules from the carrier, gathering performance data corresponding to the interconnect traffic, applying the cost and routing rules to the performance data to determine a first impact on the interconnect traffic, receiving superseding routing rules from the carrier, automatically calculating proposed changes in network routing based on the superseding routing rules and the first impact, and presenting the proposed changes to the carrier.
Owner:TELARIX
Method and apparatus for multi-antenna signal transmission in RF long-distance wireless BS
InactiveUS7817603B2Reduce networking costsSimplify system complexitySpatial transmit diversityTime-division multiplexControl signalEngineering
The invention relates to a method for transmitting a plurality of antenna signals in a wireless Base Transceiver Station (BTS) using Remote Radio Head (RRH) technology and the corresponding system. The method includes the steps of: transmitting signals over the transmit channel using Synchronous Digital Hierarchy (SDH) / Optical Transmission Network (OTN), multiplexing the plurality of antenna signals adopting the manners of time division multiplex or GFP frame-level multiplex; forming the multiplexed antenna signal stream and in-band control signaling stream into Generic Framing Procedure (GFP) frame; or forming the plurality of antenna signals and the plurality of respective control signals on the in-band control signaling channel into a plurality of respective GFP frames in parallel; and further mapping the GFP frames to STM-N / OTM-n frames, therefore multiplexing the plurality of antenna signals and the in-band control signaling stream to realize the SDH / OTN-based transmission. According to the invention, in the circumstance of using a plurality of antennas for transmitting signals, the strict time and phase relations between various antenna signals can be ensured, and also system complexity can be simplified, the transmission delays from various antenna signals to CBTS are totally the same.
Owner:UTSTARCOM TELECOM CO LTD +1
An IP address allocation and device in user end certification process
InactiveCN101217575AImprove securitySimplify the certification processData switching by path configurationIp addressAuthentication server
The invention provides a method which is used for distributing an IP address in the process of authorizing a user terminal and a device thereof, wherein, after an authorizing server is authorized at the user terminal, the IP address is distributed to the user terminal. By adopting the method and the device of the invention, a DHCP server is not needed to be deployed in a network, thus reducing the cost of network building.
Owner:NEW H3C TECH CO LTD
Low attenuation optical fiber
ActiveUS7171090B2Reduce decreaseEliminate and reduce numberOptical fibre with graded refractive index core/claddingOptical fibre with multilayer core/claddingUltrasound attenuationMedicine
An optical waveguide fiber comprises: (a) a core with a refractive index profile having, a radius, an alpha and a relative refractive index characterized by delta % that varies along the radius; (b) at least one cladding surrounding the core; wherein the alpha is less than 2.5, peak refractive index delta % is between 0.34% and 0.4%, the relative refractive index is less than 0.01% for all radii greater than 7 μm, and this optical waveguide fiber has a mode field diameter MFD at a wavelength of 1310 nm of no more than 9.54 μm, and attenuation less than: (a) 0.329 dB / km at a wavelength of 1310 nm, (b) 0.290 dB / km at a wavelength of 1383 nm, (c) 0.255 dB / km at a wavelength of 1410 nm, and (d) 0.189 dB / km at a wavelength of 1550 nm.
Owner:CORNING INC
Hand-in-hand protection switching method and system in EPON (Ethernet Passive Optical Network)
ActiveCN102917286AImplement synchronization logicLower deployment costsMultiplex system selection arrangementsElectromagnetic transmissionData synchronizationOptical Module
The invention relates to a hand-in-hand protection switching method and system in an EPON (Ethernet Passive Optical Network). At a user side, a single PON MAC (media access control entity) is combined with a double-optical module ONU (optical network unit), a hand-in-hand protection group is established on each OLT (optical line terminal) at each of two ends, and (1+1) whole protection is realized, after the protection groups are successively established, a user sends configuration data of the ONU to any one of OLTs through an NMS (network management system), two PON ports of the ONU are respectively connected to corresponding PON ports of the OLTs at two ends, and when a fault exists, the ONU completes fault detection, switches to the PON port at the other side to continuously work from the currently working PON port, is free of registration in the switching process, and reports the switching event after the switching is completed. The method and system provdied by the invention adopts the ONU of a PON MAC type, and combines the functions of configuration management, switching control, data synchronization and state maintenance of the OLT, thus realizing stable and reliable hand-in-hand protection switching and greatly reducing power consumption and cost.
Owner:FENGHUO COMM SCI & TECH CO LTD
System and method for streaming data via HTTP
InactiveUS20130212227A1Data efficientEfficiently madeMultiple digital computer combinationsTransmissionProtocol for Carrying Authentication for Network AccessClient-side
A system and method for providing bi-directional streaming communication over the HTTP or HTTPS protocol between a client and a server is disclosed. The method provides a long-lived, bi-directional communication mechanism from a web client that is performed entirely over HTTP or HTTPS, using existing HTTP verbs such as GET and POST, and is operable with existing browser and RIA technology. The graphical and networking features of RIA frameworks in conjunction with the disclosed method provide low-latency, real-time data applications in a web browser.
Owner:COGENT REAL TIME SYST
Medical monitoring method and device integrating central monitoring function
ActiveCN102125423ARealize the networking functionReduce networking costsTelemedicineSensorsInformation processingEmergency medicine
Owner:EDAN INSTR
Three-dimensional accurate positioning method based on wireless sensor network
InactiveCN101635880AHigh positioning accuracyLower requirementNetwork topologiesLocation information based serviceHand heldSelf-organizing network
The invention relates to a three-dimensional accurate positioning method based on wireless sensor network. The method includes that a certain amount of fixed nodes are preset at places required to be positioned and coordinates X, Y and Z of each point are configured by positioning system software. Personnel or device required to be positioned is allocated with a mobile node, each mobile node is required to communicate with at least four nearby fixed nodes, the fixed node transmits radio signal strength received from the mobile node to the positioning system software by each node and gateway while the real-time coordinate of the mobile node is calculated by three-dimensional accurate positioning algorithm, then a three-dimensional building or cartographical model is imported, and a user can look up the position of the personnel or device by a remote PC, mobile phone or hand-held terminal. The invention realizes ad hoc network supported ground wireless three-dimensional accurate positioning system.
Owner:WUHAN UNIV OF TECH
Method and system for the provision of services for terminal devices
InactiveUS20110083169A1Save a lot of resourcesReduce networking costsDigital data processing detailsUser identity/authority verificationComputer securityEngineering
Owner:SIEMENS AG
External-cavity laser device with tunable wave length
InactiveCN103515840AReduce networking costsReduce complexityLaser detailsLaser optical resonator constructionResonant cavityExternal cavity laser
The invention aims to provide an external-cavity laser device with a tunable wave length. Particularly, the external-cavity laser comprises a laser gain chip, one or more lens units, an optical etalon and a reflector, wherein the one or more lens units, the optical etalon and the reflector are located on one side of the laser gain chip and constitute an external-cavity feedback region; the end face, facing the external-cavity feedback region, of the laser gain chip is plated with an antireflection film, and the other end face of the laser gain chip is plated with a partial-transmission partial-reflection film; from the side, plated with the antireflection film, of the laser gain chip, the one or more lens units, the optical etalon and the reflector are sequentially arranged; the one or more lens units, the optical etalon and the reflector are arranged so as to make the external-cavity feedback region and the laser gain chip constitute a laser resonant cavity. Compared with the prior art, the external-cavity laser device has the advantages of having the large-range output wave length of a multi-longitudinal-mode laser, high reliability, low cost and the like.
Owner:INNOLIGHT TECHNOLOGY (SUZHOU) LTD
Conversion device for RF remote distribution system in communication system
InactiveCN101166064AReduce Design ComplexityLow costTransmission control/equlisationElectromagnetic transmissionCommunications systemDistribution system
This invention discloses a converting device used in a RF remote distribution system in the communication system including: a converting module with the interface of one end connected with a set of RF remote or an upper level converting device and the interface of another end connected with another set of back stage converting device or baseband pool / base station / near end device, a control center monitoring upper / lower level modules and alarming, a clock module guaranteeing unity of clocks of the modules and a supply module guaranteeing normal work of the modules.
Owner:ZTE CORP
Time synchronization method, system thereof and time synchronous communication equipment
ActiveCN101557255AReduce networking costsRadio transmission for post communicationTransmission networkSubcarrier
The invention relates to a time synchronization method, a system thereof and time synchronous communication equipment. The embodiment of the time synchronization method comprises the following steps: a clock client end exchanges a time synchronization signal with a clock server to obtain a clock offset between the clock client end and the clock server; the time synchronization signal is transmitted by a special sub-carrier channel of a wire transmission medium; and a clock of the clock client end is adjusted according to the obtained clock offset. The embodiment of the invention lowers the networking cost of a time synchronization proposal applied to the existing base station transmission network adopting the wire transmission medium.
Owner:HUAWEI TECH CO LTD
System and method for providing real-time data
ActiveUS20110093568A1Efficiently modifyOvercome limitationsMultiple digital computer combinationsTransmissionApplication softwareGraphics
A system and method for providing real-time data to a Rich Internet Application is disclosed. The graphical and networking features of RIA frameworks in conjunction with at least one real-time data server provides low-latency, real-time data applications in a web browser. In one embodiment, data is produced at a data source, propagated to a server, and collected at the server. A persistent connection is created from a RIA to the server, and the RIA is subscribed to the data, wherein the subscribed data comprises at least some of the data collected at the server, and wherein the server propagates the subscribed data to the RIA through the persistent connection as the data is collected at the server.
Owner:REAL INNOVATIONS INT
Element management server and method for managing multi-service network elements
InactiveUS20060168117A1Reduce software development/upgrade costManagement operation can be simplifiedMultiple digital computer combinationsTransmissionTransmission technologyInformation model
Disclosed is an element management server and method for managing a multi-service network element in a network. The multi-service network element comprises: a first subsystem based on a first transmission technology comprising a first set of resources described by a first information model; and a second subsystem based on a second transmission technology comprising a second set of resources described by a second information model. The element management server is characterized in that it comprises: a common description system providing a common description of the resources comprised into said multi-service network element; and at least an adapter module, which is suitable to map said first information model and / or said second information model into said common description.
Owner:ALCATEL LUCENT SAS
Method and Apparatus for Software Upgrade in a Digital Television Receiving Device
ActiveUS20080216100A1Improve securityReduce networking costsTelevision system detailsPulse modulation television signal transmissionMultiplexingComputer hardware
A method and an apparatus for software upgrade in a digital television receiving device are disclosed. The method includes multiplexing service software into a transport stream according to a predefined protocol,extracting by the digital television receiving device data of the service software from the transport stream and storing the data, restarting the digital television receiving device, so that digital television receiving device software and the service software may obtain addresses of interface functions of the opposite party, and updating by the digital television receiving device software and the service software, default addresses of the interface functions of the service software and the digital television receiving device software according to the obtained addresses. With the invention, the digital television receiving device software and the service software may be independent from each other, and may be upgraded separately.
Owner:HUAWEI TECH CO LTD
Wave division and time division passive optical network
ActiveCN101079673AGuaranteed transmission capacityReduce networking costsMultiplex system selection arrangementsElectromagnetic network arrangementsLength waveOptical network unit
The invention discloses a passive optical network to mix wavelength-division and time-division, which comprises the following parts: optical path terminal, N transmitters, first combining wave separator, optical allocating net, second combining wave separator, several optical network units to connect the allocating net through optical fiber, wherein the optical path terminal contains receiver to receive the upward wavelength signal separated by first combining wave separator; the optical allocating net concludes several couplers to receive the signal separated by second combining wave separator to transmit to the corresponding optical network unit when downwards and multiply upward wavelength signal of each optical network unit to transmit to the second combining wave separator when upwards; the second combining wave separator couples upwards to obtain the upward wavelength signal to transmit to the optical path terminal through optical fiber; the optical network unit converses the upward electric signal of user equipment into upward wavelength signal with specific wavelength to transmit to the corresponding coupler.
Owner:ZTE CORP
Aircraft and control method, device and electronic device thereof
ActiveCN106716872AEasy to adjustMeet networking requirementsNetwork topologiesRadio transmissionElectric equipmentSatellite
The invention relates to the technical field of aircrafts and provides an aircraft and a control method, device and electronic device thereof. The aircraft comprises an aircraft body and a communication relay device arranged on the aircraft body. The communication relay device is suitable for making the aircraft a communication relay node to achieve communication between at least two devices needing communication. Therefore, a communication network between two or more points can be set up through the aircraft. The position of the aircraft is easy to adjust, satisfies the networking requests when barrier exists between the communication points or cable entities cannot be laid. The networking cost is lower than satellite communication.
Owner:CLOUDMINDS SHANGHAI ROBOTICS CO LTD
Method and device for hybrid access and transmission of packet switching and optical transport network services
ActiveCN102291631ALow costRealize sendingMultiplex system selection arrangementsElectromagnetic transmissionChannel dataEngineering
The present invention provides a mixed access and sending method and device for packet switching and optical transport network services, through which the received packet switching service data is mapped into an ODUflex data frame structure without a fixed rate by the mixed service receiving module, or Map the received optical transport network service data to the corresponding optical channel data unit ODUk data frame structure; cross-schedule the ODUflex data frame or ODUk data frame mapped by the mixed service receiving module to the corresponding optical transport network interface module by the cross-connect module; The optical transport network interface module maps the received ODUflex data frame or ODUk data frame into an optical transport network data frame meeting the first preset requirement, and sends the mapped optical transport network data frame. Therefore, in the same device, the mixed input and transmission of the packet switching service and the optical transport network service can be realized, so the cost of networking and maintenance of the network using the packet switching technology and the optical transport network technology can be reduced.
Owner:ZTE CORP
Method for realizing two-directional interacting of circuit zone and grouping zone, and system therefor
ActiveCN1852269ASolving Interoperability IssuesReduce networking costsPulse modulation television signal transmissionTelevision system scanning detailsDual networkDual mode
Being applicable to system of containing network in circuit domain and network in packet domain, the disclosed system includes interoperation gateway. Being connected to network in circuit domain and network in packet domain, the said interoperation gateway possesses functions: in use for storing information of network the terminal in dual mode locates at, and calling state; based on the said information, forward shifting the said information of network in circuit domain to network in packet domain; or through network in packet domain, informing the terminal in dual mode that there are system message or paging message in circuit domain; or forward shifting the said information in network in packet domain through calling to network in circuit domain; or through network in circuit domain, informing the terminal in dual mode that there are said information in packet domain. The invention also discloses method for terminals in packet domain to implement service in circuit domain.
Owner:HUAWEI TECH CO LTD
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