Abstract: A data management system according to an embodiment of this invention includes a blockchain node configured to store on-chain data on blockchain and a service server, upon receiving a service request associated with the original data from a client, i) accessing off-chain data stored in a storage node or recording off-chain data in the storage node according to the service request, and ii) sending a transaction proposal to the blockchain node for a record associated with the service request to be stored in the blockchain.

Abstract: A blockchain-based data distribution management method according to an embodiment is performed by a computing device. The method includes generating a plurality of shards by fragmenting a first information, requesting a first block event for distributed storage of the plurality of shards in a plurality of off-chain storages to a blockchain network, and transmitting the plurality of shards to the plurality of off-chain storages, wherein a second information indicating a history of the plurality of shards distributed and stored in the plurality of off-chain storages is recorded in the blockchain network through the first block event, wherein when a predetermined number or more of shards among the plurality of shards are collected, the first information is restored from the collected predetermined number or more of shards.

Abstract: An airbag module to protect a display device of a vehicle is proposed. The airbag module includes: the display device vertically slidably mounted to a cockpit of the vehicle; and an airbag housing arranged at rear of the display device, rotatably mounted to the cockpit on a shaft extended in a direction parallel to a transverse direction of the vehicle, and configured to be rotated in response to sliding of the display device.

Abstract: Disclosed is a mounting base (300) for attaching a portable electronic device (402) to a collar apparatus (400). Mounting base (300) includes a frame (102) and a latch (200). Latch (200) is moveable between a latched position and an unlatched position. Latch (200) includes an actuator (206) with a button (208) that may be depressed by a user to manually move latch (200) between the latched and unlatched positions. A portable electronic device (402) includes an insertion portion (410) that is received in a receiving aperture (108) in the frame (102). Once the insertion portion (410) is inserted, the device (402) may be rotated manually to engage latch (200). During rotation, a lock stub (216) on latch (200) engages a corresponding feature on insertion portion (410), thereby preventing counter-rotation of device (402). Additionally, one or more tabs (120) on frame (102) interfere with corresponding structure on insertion portion (410) to secure device (402) onto mounting base (300).

Abstract: A blockchain based data management method performed by a computing device according to an embodiment of the present disclosure includes recording a deletion event for off-chain data and time information of the deletion event in a blockchain network, and selectively deleting the off-chain data based on a validity verification result calculated for the time information, wherein the validity verification result is calculated using a time-consensus algorithm of the blockchain network.

Abstract: A blockchain data recording method includes determining a recording type as one of an on-chain type and an off-chain type according to a target data to be recorded in a blockchain, transmitting a first transaction proposal for recording the target data in a blockchain node configured to store an on-chain data on a blockchain to the blockchain node when the recording type is an on-chain type, and recording the target data in a storage node provided to store an off-chain data, and transmitting a second transaction proposal for storing recording information of the target data in the blockchain to the blockchain node when the recording type is an off-chain type.

Abstract: A file transmission method includes storing each chunk of a target file by public cloud, receiving, by the first node, a file transmission request including an encrypted chunk order sheet of the target file, information on the target file and recipient information, wherein the chunk order sheet includes connection order information of each chunk necessary for restoring the target file, and the encrypted chunk order sheet is encrypted with a public key of a recipient, storing a first transaction including information included in the file transmission request and chunk storage location information in a ledger stored in the first node, storing, by the second node, the first transaction in a ledger of the second node according to synchronization of the ledger, storing a chunk in the internal storage using the chunk storage location information when the recipient information included in the first transaction includes a user belonging to the intranet.

Abstract: A roof airbag apparatus may include: a cushion configured to cover a roof when deployed; a pair of guides having a length in the deployment direction of the cushion, and configured to guide both sides of the cushion in the deployment direction; and a deployment resistance reducer having a connector connected to one end of each of the guides so as to apply an elastic force from a first location toward the rear, wherein the connector is moved to a second location in a front of the first location by frictional resistance which is applied to the guide when the cushion is deployed.

Abstract: A vehicular seat cushion airbag is disclosed. The seat cushion airbag includes a first cushion, which is mounted on a seat cushion of a vehicle so as to be expanded at the rear portion of a passenger's thigh, and a second cushion, which extends from the first cushion in an upward direction of a bolster portion of the seat cushion so as to be expanded toward the lateral side surface of the passenger's thigh, wherein the first cushion is expanded at the rear portion of the passenger's thigh so as to prevent forward movement of the passenger's pelvis, and the second cushion is expanded toward the lateral side surface of the passenger's thigh so as to prevent outward spreading of the passenger's legs.

Abstract: A behavior control airbag apparatus including: a floating cushion disposed in a seating part of a seat, and configured to push up a passenger on the seating part while deployed by gas injected by an inflator; and a behavior cushion disposed eccentrically on an outboard side of the floating cushion, and configured to push up the outboard side of the passenger according to the injection of the gas, such that the passenger is inclined to an inboard side.

Abstract: An airbag device for a panorama roof may include: a roller disposed under a panorama roof and having a blind wound therearound, the blind serving to cover the panorama roof; a head liner covering the roller; an inflator disposed at sides of the panorama roof; a guide tunnel connected to the inflator to guide gas; and a cushion connected to the guide tunnel, and deployed by gas guided through the guide tunnel so as to cover the panorama roof.

Abstract: A file transmission method includes storing each chunk of a target file by public cloud, receiving, by the first node, a file transmission request including an encrypted chunk order sheet of the target file, information on the target file and recipient information, wherein the chunk order sheet includes connection order information of each chunk necessary for restoring the target file, and the encrypted chunk order sheet is encrypted with a public key of a recipient, storing a first transaction including information included in the file transmission request and chunk storage location information in a ledger stored in the first node, storing, by the second node, the first transaction in a ledger of the second node according to synchronization of the ledger, storing a chunk in the internal storage using the chunk storage location information when the recipient information included in the first transaction includes a user belonging to the intranet.

Abstract: A data management system according to an embodiment of this invention includes a blockchain node configured to store on-chain data on blockchain and a service server, upon receiving a service request associated with the original data from a client, i) accessing off-chain data stored in a storage node or recording off-chain data in the storage node according to the service request, and ii) sending a transaction proposal to the blockchain node for a record associated with the service request to be stored in the blockchain

Abstract: An accelerated transaction processing apparatus includes a memory for storing one or more instructions, a communication interface for communicating with a blockchain network, and a processor. The processor is configured to determine whether the blockchain network is in a congested state based on monitoring information about the blockchain network, adjust a batch size based on a result of the determination, and perform batch processing for one or more individual transactions using the adjusted batch size.

Abstract: A method for managing transaction is performed in a blockchain-based computing system and includes receiving a request for processing a first individual transaction from a client terminal, generating a batch transaction by aggregating a plurality of individual transactions including the first individual transaction, processing the generated batch transaction via a blockchain network, such that a status record associated with the batch transaction is recorded in the blockchain, and providing the client terminal with an identifier of the batch transaction and index information on the first individual transaction, wherein the status record associated with the batch transaction includes a first status record associated with the first individual transaction, and wherein the index information on the first individual transaction is determined based on a location of the first status record in the status record.

Abstract: An accelerated transaction processing apparatus includes a memory for storing one or more instructions, a communication interface for communicating with a blockchain network and a processor. The processor is configured to obtain monitoring information on a transaction failure event occurred in the blockchain network, adjust a batch size based on the monitoring information and perform batch processing for one or more individual transactions using the adjusted batch size.

Abstract: An airbag device for a driver may include: a plate mounted in a steering wheel; an inflator inserted into the plate; a damper coupled to the plate and the inflator so as to reduce vibration of the inflator; a cage covering the inflator, and mounted on the plate; and a gasket coupled to the cage so as to prevent leakage of the gas provided from the inflator to the outside.

Abstract: A behavior control airbag apparatus including: a floating cushion disposed in a seating part of a seat, and configured to push up a passenger on the seating part while deployed by gas injected by an inflator; and a behavior cushion disposed eccentrically on an outboard side of the floating cushion, and configured to push up the outboard side of the passenger according to the injection of the gas, such that the passenger is inclined to an inboard side.

Abstract: An airbag apparatus may include: a guide bar; a plurality of holders contacting the outer surface of the guide bar, and supporting the guide bar; a plurality of guide tabs connected to the respective holders, surrounding the guide bar; and a cushion connected to the holders on the opposite side of the guide taps.