Automotive partial networking apparatus and method

The present invention relates to a automotive partial networking apparatus and method, which operate or terminate only a specific electronic control unit corresponding to a service currently being provided in a vehicle network composed of a plurality of electronic control units. In the automotive partial networking method, a automotive partial networking apparatus receives a partial networking-only Controller Area Network (CAN) frame from outside of the apparatus. A partial network table is searched based on the CAN frame, and then a CAN identification (ID) is searched for. A partial networking-only CAN frame is generated using the CAN ID. Partial networking is performed by transferring the generated partial networking-only CAN frame to at least one electronic control unit corresponding to a vehicle service.

METHOD AND APPARATUS FOR ALLOCATING MULTICAST CONNECTION IDENTIFIER USED FOR IP MULTICAST PACKET TRANSMISSION OVER PORTABLE INTERNET NETWORK AND TRANSMITTING PACKET USING THE MULTICAST CONNECTION IDENTIFIER

Provided is a method and apparatus for allocating a multicast connection identifier (MCID) for Internet protocol (IP) packet transmission over a portable Internet network and transmitting packets using the MCID. More specifically, there is provided a method of defining and allocating an MCID for transmitting an IP version 6 (IPv6) multicast packet over an IEEE 802.16/Wireless Broadband (WiBro) network and a process for transmitting an IP multicast packet of a base station (BS) using the MCID. The method of allocating is related to a method of automatically generating a connection identifier (CID) having 16 bits for packet transmission over the IEEE 802.16/WiBro network in order to transmit the IPv6 multicast packet. In this method, a scope value of the IPv6 multicast packet is added to the MCID. Therefore, multicast packets having an effective IPv6 scope such as a multicast packet in a link-local category, a multicast packet in a site-local category, and a multicast packet in a global category can be transmitted over the IEEE 802.16/WiBro network according to the scope of the multicast packet. Accordingly, when a new IPv6 scope is defined, the method can be naturally applied.

Method and apparatus for setting up gateway for AUTOSAR-based vehicle network

The present invention provides a method and apparatus for setting up a gateway for an AUTOSAR-based vehicle network. The apparatus for setting up the gateway includes a candidate selection unit for selecting an Electronic Control Unit (ECU) connected to at least two communication clusters, from among a plurality of ECUs, as a gateway candidate, and a gateway generation unit for generating a gateway instance with reference to the ECU selected by the candidate selection unit, and generating a gateway meta-model including the gateway instance based on instance generation input values entered by a user.

APPARATUS AND METHOD FOR EVALUATING AUTOSAR META FILE-BASED BASIC SOFTWARE PROPERTIES

Disclosed herein is an apparatus for evaluating Automobile Open System Architecture (AUTOSAR) meta file-based basic software properties. The apparatus includes a meta file generation unit, a basic software configuration unit, and a basic software property evaluation unit. The meta file generation unit generates the meta file properties of an AUTOSAR meta file. The basic software configuration unit sets the basic software properties of a basic software configuration file. The basic software property evaluation unit evaluates basic software properties using the meta file properties in order to determine whether the basic software properties were set in conformity with an AUTOSAR standard.

AUTOMOTIVE PARTIAL NETWORKING APPARATUS AND METHOD

The present invention relates to a automotive partial networking apparatus and method, which operate or terminate only a specific electronic control unit corresponding to a service currently being provided in a vehicle network composed of a plurality of electronic control units. In the automotive partial networking method, a automotive partial networking apparatus receives a partial networking-only Controller Area Network (CAN) frame from outside of the apparatus. A partial network table is searched based on the CAN frame, and then a CAN identification (ID) is searched for. A partial networking-only CAN frame is generated using the CAN ID. Partial networking is performed by transferring the generated partial networking-only CAN frame to at least one electronic control unit corresponding to a vehicle service.

APPARATUS AND METHOD FOR INTEROPERATION BETWEEN INTERNET-OF-THINGS DEVICES

Disclosed herein are an apparatus and method for interoperation between Internet-of-Things (IoT) devices. The IoT device interoperation method uses an IoT device interoperation apparatus and includes performing an endpoint discovery procedure between an Open Connectivity Foundation (OCF) device and a non-OCF Bluetooth Low Energy (BLE) device, and performing interoperation between the OCF device and the non-OCF BLE device by performing a resource manipulation procedure using a Create, Retrieve, Update, Delete, and Notify (CRUDN) operation. 1. An Internet-of-Things (IoT) device interoperation method using an IoT device interoperation apparatus , comprising:performing an endpoint discovery procedure between an Open Connectivity Foundation (OCF) device and a non-OCF Bluetooth Low Energy (BLE) device; andperforming interoperation between the OCF device and the non-OCF BLE device by performing a resource manipulation procedure using a Create, Retrieve, Update, Delete, and Notify (CRUDN) operation.2. The IoT device interoperation method of claim 1 , wherein the IoT device interoperation apparatus communicates with the OCF device using a communication protocol supported by OCF claim 1 , and communicates with the non-OCF BLE device using BLE.3. The IoT device interoperation method of claim 2 , wherein performing the endpoint discovery procedure is configured such that the IoT device interoperation apparatus and the OCF device exchange discovery messages with each other using a Constrained Application Protocol (CoAP)-based endpoint discovery procedure.4. The IoT device interoperation method of claim 2 , wherein performing the endpoint discovery procedure is configured such that the IoT device interoperation apparatus requests a characteristic from the non-OCF BLE device using a Generic Attribute profile (GATT).5. The IoT device interoperation method of claim 4 , wherein performing the endpoint discovery procedure is performed using an OCF resource-BLE characteristic mapping ...

Method and apparatus for allocating multicast connection identifier used for IP multicast packet transmission over portable internet network and transmitting packet using the multicast connection identifier

Provided is a method and apparatus for allocating a multicast connection identifier (MCID) for Internet protocol (IP) packet transmission over a portable Internet network and transmitting packets using the MCID. More specifically, there is provided a method of defining and allocating an MCID for transmitting an IP version 6 (IPv6) multicast packet over an IEEE 802.16/Wireless Broadband (WiBro) network and a process for transmitting an IP multicast packet of a base station (BS) using the MCID. The method of allocating is related to a method of automatically generating a connection identifier (CID) having 16 bits for packet transmission over the IEEE 802.16/WiBro network in order to transmit the IPv6 multicast packet. In this method, a scope value of the IPv6 multicast packet is added to the MCID. Therefore, multicast packets having an effective IPv6 scope such as a multicast packet in a link-local category, a multicast packet in a site-local category, and a multicast packet in a global category ...

Parameter setting apparatus and method for automotive open system architecture-based software

The present invention discloses a parameter setting apparatus and method for AUTOSAR-based software, which may lead a user to set parameters at suitable times depending on the variant attributes of parameters. In the parameter setting method, a selection of a variant attribute of a parameter of a metamodel defined to design AUTOSAR-based software is received from a user. If the variant attribute selected by the user corresponds to a variant-pre-compile attribute, setting of only a parameter having the variant-pre-compile attribute is allowed. If the variant attribute selected by the user corresponds to a variant-link attribute, setting of only a parameter having either one of the variant-pre-compile attribute and the variant-link attribute is allowed. If the variant attribute selected by the user corresponds to a variant-post-build attribute, setting of only a parameter having any one of the variant-pre-compile attribute, the variant-link attribute, and the variant-post-build attribute is allowed.

Communication method using mobile IPv6 in NAT-PT environment and storage medium thereof

Disclosed is a communication method using the mobile IPv6 in the NAT-PT environment, and a recording medium storing the method. An NAT-PT (Network Address Translation—Protocol Translation) box as a substitute for an IPv4 node in the communication method performs an RR (Return Routability) process and a BU (Binding Update) process with an IPv6 node to allow data communication between the IPv4 node and the IPv6 node. Therefore, mobility support using the mobile IPv6 is provided in the network with the mixed IPv4 and IPv6.

BASE STATION AND METHOD OF AVOIDING FLOOD OF JOIN MESSAGES FOR IP MULTICAST GROUP IN PORTABLE INTERNET NETWORK

Provided is a base station (BS) and method of avoiding a flood of join messages for an Internet protocol (IP) multicast group in a portable Internet network, and more particularly, to a BS and method of transmitting join messages for an Internet IP multicast group to an access router or other BSs with a predetermined delay time in an IP multicast (IP version 4 (IPv4) or IP version 6 (IPv6)) service in an IEEE 802.16/Wireless Broadband (WiBro) network. In addition, the BS immediately transmits the join message for the group to other user terminals which belong to the BS. Accordingly, a problem whereby a method of avoiding a flood of multicast group join messages cannot be applied due to point-to-multipoint characteristics of the portable Internet network such as the IEEE 802.16/WiBro network is solved. In addition, the method of avoiding a flood of join messages can be applied using both IPv4 multicast and IPv6 multicast services.

Communication method using mobile IPv6 in NAT-PT environment and storage medium thereof

Disclosed is a communication method using the mobile IPv6 in the NAT-PT environment, and a recording medium storing the method. An NAT-PT (Network Address Translation-Protocol Translation) box as a substitute for an IPv4 node in the communication method performs an RR (Return Routability) process and a BU (Binding Update) process with an IPv6 node to allow data communication between the IPv4 node and the IPv6 node. Therefore, mobility support using the mobile IPv6 is provided in the network with the mixed IPv4 and IPv6.

METHOD AND APPARATUS FOR SETTING UP VEHICLE NETWORK BASED ON AUTOSAR

The present invention relates to a method and apparatus for setting up a vehicle network based on AUTomotive Open System ARchitecture (AUTOSAR). The apparatus for setting up a vehicle network based on AUTOSAR includes a screen unit for externally receiving structure setup input values. A structure setup unit is configured such that when a user selects an Electronic Control Unit (ECU) and a communication cluster on the screen unit, the structure setup unit displays a communication channel between the ECU and the communication cluster, and sets up a network structure based on the communication channel. A data setup unit sets up data that is transmitted through the communication channel using a wizard which is software for executing software or hardware operations using an interrogatory method. 1. An apparatus for setting up a vehicle network based on AUTomotive Open System ARchitecture (AUTOSAR) , comprising:a screen unit for receiving structure setup input values;a structure setup unit for, when a user selects an Electronic Control Unit (ECU) and a communication cluster on the screen unit, displaying a communication channel between the ECU and the communication cluster, and setting up a network structure based on the communication channel; anda data setup unit for setting up data that is transmitted through the communication channel using a wizard which is software for executing software or hardware operations using an interrogatory method.2. The apparatus of claim 1 , wherein the structure setup unit comprises:an ECU instance generation unit for generating ECU instances, each operating in conjunction with a communication controller block and a communication connector block for each ECU, on the screen unit;a cluster instance generation unit for generating communication clusters corresponding to types of communication buses on the screen unit;a connection line generation unit for generating connection lines for connecting the ECU instances to the communication ...

METHOD AND APPARATUS FOR SETTING UP GATEWAY FOR AUTOSAR-BASED VEHICLE NETWORK

The present invention provides a method and apparatus for setting up a gateway for an AUTOS AR-based vehicle network. The apparatus for setting up the gateway includes a candidate selection unit for selecting an Electronic Control Unit (ECU) connected to at least two communication clusters, from among a plurality of ECUs, as a gateway candidate, and a gateway generation unit for generating a gateway instance with reference to the ECU selected by the candidate selection unit, and generating a gateway meta-model including the gateway instance based on instance generation input values entered by a user. 1. An apparatus for setting up a gateway for an AUTomotive Open System ARchitecture (AUTOSAR)-based vehicle network , comprising:a candidate selection unit for selecting an Electronic Control Unit (ECU) connected to at least two communication clusters, from among a plurality of ECUs, as a gateway candidate; anda gateway generation unit for generating a gateway instance with reference to the ECU selected by the candidate selection unit, and generating a gateway meta-model including the gateway instance based on instance generation input values entered by a user.2. The apparatus of claim 1 , wherein the gateway generation unit comprises an instance generation unit for generating the gateway instance based on a context menu of the ECU.3. The apparatus of claim 2 , wherein the instance generation unit is configured to:generate a frame mapping instance for performing mapping between frames including source Interaction layer Protocol Data Units (IPdus) and target IPdus, based on the instance generation input values,generate an IPdu mapping instance for establishing a mapping relationship between IPdus by mapping a source IPdu and a target IPdu contained in an identical frame to each other, andgenerate a signal mapping instance for setting up locations at which signals are to be transferred to a communication cluster of the target IPdu when the source IPdu and the target IPdu ...

PARAMETER SETTING APPARATUS AND METHOD FOR AUTOMOTIVE OPEN SYSTEM ARCHITECTURE-BASED SOFTWARE

The present invention discloses a parameter setting apparatus and method for AUTOSAR-based software, which may lead a user to set parameters at suitable times depending on the variant attributes of parameters. In the parameter setting method, a selection of a variant attribute of a parameter of a metamodel defined to design AUTOSAR-based software is received from a user. If the variant attribute selected by the user corresponds to a variant-pre-compile attribute, setting of only a parameter having the variant-pre-compile attribute is allowed. If the variant attribute selected by the user corresponds to a variant-link attribute, setting of only a parameter having either one of the variant-pre-compile attribute and the variant-link attribute is allowed. If the variant attribute selected by the user corresponds to a variant-post-build attribute, setting of only a parameter having any one of the variant-pre-compile attribute, the variant-link attribute, and the variant-post-build attribute is allowed. 1. A parameter setting method for Automotive Open System ARchitecture (AUTOSAR)-based software , comprising:receiving a selection of a variant attribute of a parameter of a metamodel defined to design AUTOSAR-based software from a user;if the variant attribute selected by the user corresponds to a variant-pre-compile attribute, allowing setting of only a parameter having the variant-pre-compile attribute;if the variant attribute selected by the user corresponds to a variant-link attribute, allowing setting of only a parameter having either one of the variant-pre-compile attribute and the variant-link attribute; andif the variant attribute selected by the user corresponds to a variant-post-build attribute, allowing setting of only a parameter having any one of the variant-pre-compile attribute, the variant-link attribute, and the variant-post-build attribute.2. The parameter setting method of claim 1 , wherein allowing the setting of only the parameter having either one of ...

CLOUD ACCESS METHOD FOR IOT DEVICES, AND DEVICES PERFORMING THE SAME

A cloud access method of an internet of things (IoT) device and devices performing the cloud access method are disclosed. The cloud access method using a cloud proxy function includes receiving a first resource retrieval request of a client device from a cloud, extracting, from the first resource retrieval request, a device identification (ID) of a device including a resource for which a resource retrieval is requested, and transmitting a second resource retrieval request of the client device to the device based on the device ID. 1. A cloud access method using a cloud proxy function , comprising:receiving, from a cloud, a first resource retrieval request of a client device;extracting, from the first resource retrieval request, a device identification (ID) of a device comprising a resource for which a resource retrieval is requested; andtransmitting, to the device, a second resource retrieval request of the client device based on the device ID.2. The cloud access method of claim 1 , wherein:the first resource retrieval request comprises a proxy-uniform resource identifier (URI) option header, andthe proxy-URI option header is removed from the second resource retrieval request.3. The cloud access method of claim 2 , wherein the proxy-URI option header comprises the device ID.4. The cloud access method of claim 1 , wherein the device is a device that has not a cloud interworking function.5. The cloud access method of claim 1 , wherein the transmitting comprises:searching for the device ID and endpoint information of the device from a mapping list that is used for managing device-to-device (D2D) devices that have not a cloud interworking function for access to the cloud.6. The cloud access method of claim 1 , further comprising:requesting the cloud for registration of a cloud proxy device that supports the cloud proxy function; andreceiving an access token for the cloud proxy device that is issued by the requesting for the registration.7. The cloud access method of ...

METHOD AND SYSTEM FOR FORWARDING PACKET IN ID/LOCATOR SEPARATION ENVIRONMENT

Disclosed is a method for communication between a first terminal and a second terminal located in a single domain in an identifier/locator separation environment. The method includes: updating a locator by the second terminal in association with a domain gateway in the domain; and generating a forwarding table for the second terminal by the first terminal and performing a communication by the first terminal and the second terminal by using the forwarding table. 1. A method for communication between a first terminal and a second terminal located in a single domain in an identifier/locator separation environment , the method comprising:updating a locator by the second terminal in association with a domain gateway in the domain; andgenerating a forwarding table for the second terminal by the first terminal and performing a communication by the first terminal and the second terminal by using the forwarding table.2. The method of claim 1 , wherein updating a locator by the second terminal comprises claim 1 , when the domain gateway receives a location confirmation message from the second terminal claim 1 , requesting a location update to a mapping system and registering the second terminal in a local host list.3. The method of claim 2 , wherein the location confirmation message comprises a locator of the second terminal that is a transmission terminal claim 2 , and a local domain address of the domain to which the second terminal belongs.4. The method of claim 1 , wherein performing a communication by the first terminal and the second terminal comprises:determining, by the first terminal, whether the forwarding table entry for the second terminal exists in the first terminal; andtransmitting a packet to the second terminal according to the forwarding entry, when the forwarding table entry for the second terminal exists in the first terminal.5. The method of claim 4 , wherein transmitting a packet to the second terminal comprises:determining, by the first terminal, ...

METHOD AND APPARATUS FOR PERFORMING MULTICAST IN ID/LOCATOR SEPARATION ENVIRONMENT

The present invention relates to a method and an apparatus for performing multicast communication in an ID/locator separation environment. The method includes: receiving a packet; determining whether an entry corresponding to a destination ID included in a packet header of the packet is in a forwarding table; forwarding the packet based on a next hop address included in the entry, if the entry corresponding to the destination ID is present. The entry corresponding to the destination ID can include a plurality of next hop addresses if the destination ID is an ID for a multicast group domain, and the step of forwarding the packet can be carried out by copying the packet by as many as the number of next hop addresses and sending the copied packet to each of the next hop addresses. 1. A method for performing multicast communication in an ID/locator separation environment , comprising:receiving a packet;determining whether an entry corresponding to a destination ID included in a packet header of the packet is in a forwarding table;forwarding the packet based on a next hop address included in the entry, if the entry corresponding to the destination ID is present,wherein the entry corresponding to the destination ID includes a plurality of next hop addresses if the destination ID is an ID for a multicast group domain, and the forwarding of the packet is carried out by copying the packet by as many as the number of next hop addresses and sending the copied packet to each of the next hop addresses.2. The method of claim 1 , wherein the forwarding table further comprises a multicast flag item in the entry for indicating whether the entry is for multicast or unicast.3. The method of claim 1 , further comprising updating the forwarding table claim 1 , if there is no claim 1 , forwarding entry corresponding to the destination ID.4. The method of claim 1 , wherein the packet header further comprises a join/leave flag field for indicating joining/leaving a multicast group.5. The ...

Short acrylic fibres resistant to heat and to chemical products and process for their manufacture without spinning

New short acrylic fibre forming a paste which has an excellent resistance to heat and to chemical products. The fibre has a thickness distribution ranging from 0.1 to 50 mu m, a length distribution ranging from 1 to 20 mm and a glass transition temperature (Tg) of more than 200 DEG C. The fibre is produced by heating a mixture of polyacrylonitrile and water in a concentration of approximately 5-100 % by weight, to temperatures which are higher than the hydration-melting temperature, in a hermetically closed receptacle, to obtain an amorphous molten mass; cooling of the resultant amorphous molten mass to temperatures between the melting and melt solidification temperatures, for the formation of a supermelted mass; the extrusion of the resulting supermelted mass for the production of an extrudate; stabilisation of the resulting extrudate using heat at temperatures of between 180 and 300 DEG C, for a period ranging from 1 minute to 4 hours after drying and drawing; and sectioning to the appropriate size and beating the resulting extrudate stabilised by heat.

POLYMER ALLOY FIBER AND MANUFACTURING METHOD THEREOF

NEW FULLY AROMATIC COPOLYAMIDES

POLYMER ALLOY FIBER AND METHOD FOR MANUFACTURING THE SAME

LA FIBRE SELON L'INVENTION EST CARACTERISEE EN CE QU'ELLE CONSISTE ESSENTIELLEMENT EN 50-95 EN POIDS DE POLY(P-PHENYLENETEREPHTALAMIDE) D'UNE VISCOSITE INTRINSEQUE D'AU MOINS 5,0 ET 5-50 EN POIDS D'UN COPOLYMERE AROMATIQUE-ALIPHATIQUE REGDANS LAQUELLE X EST UN ENTIER PAIR COMPRIS ENTRE 4 ET 10 INCLUS ET R EST H OU CH. LA FIBRE EN ALLIAGE DE POLYMERES SELON L'INVENTION POSSEDE UNE CRISTALLINITE, DES PROPRIETES D'ORIENTATION DES CHAINES ET DES PROPRIETES MECANIQUES TRES SUPERIEURES A CELLES DE FIBRES DE SES COMPOSANTS ISOLES. EXAMEN PAR DIFFRACTION DES RAYONS X. THE FIBER ACCORDING TO THE INVENTION IS CHARACTERIZED IN THAT IT CONSISTS OF ESSENTIALLY 50-95 BY WEIGHT OF POLY (P-PHENYLENETEREPHTHALAMIDE) OF INTRINSIC VISCOSITY OF AT LEAST 5.0 AND 5-50 BY WEIGHT OF A COPOLYMER AROMATIC-ALIPHATIC REG IN WHICH X IS A WHOLE PAIR INCLUDED BETWEEN 4 AND 10 INCLUDED AND R IS H OR CH. THE FIBER IN A POLYMER ALLOY ACCORDING TO THE INVENTION HAS A CRYSTALLINITY, CHAIN ORIENTATION PROPERTIES AND MECHANICAL PROPERTIES VERY SUPERIOR THAN THOSE OF FIBERS OF ITS INSULATED COMPONENTS. EXAMINATION BY X-RAY DIFFRACTION.

Polymer alloy fiber and process therefor

PLASTIC MIXED FIBER

Method of providing session mobility and user terminal

A method of providing session mobility and a user terminal are provided. The method includes, when a session is set through one interface, receiving a request for session transfer to a network corresponding to another interface, checking the available resource capacity of the network to which the session will be transferred, and determining whether or not to transfer the session based on the result of the check operation and establishing a session with the network. The method can improve the reliability of an Internet protocol (IP) multimedia subsystem (IMS) service continuity function.

Automated teller machine

Heat-and chemical-resistant acrylic short fibers without spinning

A new, pulp-like, acrylic short fiber having excellent heat- and chemical-resistance is provided. The fiber has a thickness distribution of 0.1 µm to 50 µm, a length distribution of 1 mm to 20 mm, and a thermal transition temperature (Tg) of above 200°C. The fiber is produced by heating a mixture of polyacrylonitrile and water of about 5 % to 100% by weight to temperatures above hydration-melting temperature under seal to an amorphous melt; cooling the resulting amorphous melt to temperatures between the melting and the solidifying temperatures of the melt to form a supercooled melt; extruding the resulting supercooled melt to give extrudates; heat-stabilizing the resulting extrudates at temperatures between 180°C and 300°C for 1 minute to 4 hours after drying and drawing; and cutting and beating the resulting heat-stabilized extrudates into an appropriate size.

Fibre corte acriliche resistenti al calore e alle sostanze chimiche senza filatura

Slurry composition for secondary battery electrode, and secondary battery electrode using same

The present disclosure relates to a slurry composition for a secondary battery electrode, and a secondary battery electrode manufactured using same. The slurry composition includes a conductive material including a linear carbon material and a point-type carbon material, a dispersant, and an organic solvent. By adjusting the average size and content of the conductive material in the slurry such that two peaks within a specific range appear in a particle size analysis, the solubility and dispersibility of the carbon-based conductive material are improved, and thus the electrical properties of the electrode are remarkably improved.

Control of an image forming apparatus using a web page

An example image forming apparatus includes a memory, a web server module to provide a web server function, a scan module to perform scanning, a communication interface to communicate with an external device, and a processor to, when a request to access a web page is received from the external device, provide the web page using the web server module, when a scan command is received from the external device through the web page provided to the external device, perform scanning using the scan module, and control the web server module to provide a scanned image to the web page through the communication interface.

Slurry composition for secondary battery electrode, and secondary battery electrode using same

The present disclosure relates to a slurry composition for a secondary battery electrode, and a secondary battery electrode manufactured using the same. The slurry composition includes dispersants of specific components, a carbon-based conductive material, and an organic solvent. The slurry composition has an advantage in that the stability of the carbon-based conductive material is excellent. In addition, due to the presence of a polar functional group in the dispersant, the surface treatment effect for the carbon-based conductive material is excellent, and thus the dispersibility of the carbon-based conductive material is remarkably improved.

Slurry composition for secondary battery electrode and secondary battery electrode using same

The present disclosure relates to a slurry composition for a secondary battery electrode, and a secondary battery electrode manufactured using same. The slurry composition includes a conductive material including a linear carbon material and a point-type carbon material, a dispersant, and an organic solvent. By adjusting the average size and content of the conductive material in the slurry such that two peaks within a specific range appear in a particle size analysis, the solubility and dispersibility of the carbon-based conductive material are improved, and thus the electrical properties of the electrode are remarkably improved.

Slurry composition for secondary battery electrode, and secondary battery electrode using same

The present invention relates to a slurry composition for a secondary battery electrode, and a secondary battery electrode manufactured using same, the slurry composition comprising a conductive material including a linear carbon material and a point-type carbon material, a dispersant, and an organic solvent. By adjusting the average size and the amount of the conductive material so as to have two peaks within a specific range, it is advantageous in that the solubility and dispersibility of the carbon-based conductive material are improved, and the electrical properties thereof are remarkably improved.

Slurry composition for secondary battery electrode and secondary battery electrode using same

The present disclosure relates to a slurry composition for a secondary battery electrode, and a secondary battery electrode manufactured using the same. The slurry composition includes dispersants of specific components, a carbon-based conductive material, and an organic solvent. The slurry composition has an advantage in that the stability of the carbon-based conductive material is excellent. In addition, due to the presence of a polar functional group in the dispersant, the surface treatment effect for the carbon-based conductive material is excellent, and thus the dispersibility of the carbon-based conductive material is remarkably improved.

Slurry composition for secondary battery electrode, and secondary battery electrode using same

The present disclosure relates to a slurry composition for a secondary battery electrode, and a secondary battery electrode manufactured using the same. The slurry composition includes dispersants of specific components, a carbon-based conductive material, and an organic solvent. The slurry composition has an advantage in that the stability of the carbon-based conductive material is excellent. In addition, due to the presence of a polar functional group in the dispersant, the surface treatment effect for the carbon-based conductive material is excellent, and thus the dispersibility of the carbon-based conductive material is remarkably improved.

Crusher for styrofoam

Base station and method of avoiding flood of join messages for ip multicast group in portable internet network

Provided is a base station (BS) and method of avoiding a flood of join messages for an Internet protocol (IP) multicast group in a portable Internet network, and more particularly, to a BS and method of transmitting join messages for an Internet IP multicast group to an access router or other BSs with a predetermined delay time in an IP multicast (IP version 4 (IPv4) or IP version 6 (IPv6)) service in an IEEE 802.16/Wireless Broadband (WiBro) network. In addition, the BS immediately transmits the join message for the group to other user terminals which belong to the BS. Accordingly, a problem whereby a method of avoiding a flood of multicast group join messages cannot be applied due to point-to-multipoint characteristics of the portable Internet network such as the IEEE 802.16/WiBro network is solved. In addition, the method of avoiding a flood of join messages can be applied using both IPv4 multicast and IPv6 multicast services.

Coupled styrylcyanine dyes and their synthesis

Slurry composition for secondary battery electrode, and secondary battery electrode using same

Automatic tunnel configuration method using router advertisement message

An automatic tunnel configuration method using a router advertisement message is provided, including: periodically receiving a router advertisement message containing a tunnel end-point address option from an access router of an internet protocol version 6 (IPv6) network when a mobile node moves from a home network to other IPv6 networks; automatically configuring a tunnel using an address allocated from the access router of the IPv6 network to which the mobile node connects, and the tunnel end-point address option included in the router advertisement message when the network to which the mobile node moves to connect is an internet protocol version 4 (IPv4) network; and communicating with a correspondent node via the configured tunnel using a mobile internet protocol (MIP6).