Abstract: Disclosed is a fitness device mounted in a vehicle seat, the device configured to provide a passenger with various exercise effects during long distance traveling of an automotive vehicle and to relieve boredom and muscle fatigue caused by lack of body movement, and including a seatback having opposite side portions to which armrests are rotatably mounted, respectively, at least two belt entry and exit devices mounted within an internal space in the seatback, each of the belt entry exit devices being configured to allow a belt to be pulled out from and introduced into the seatback, and a handle portion detachably mounted to a front end portion of the armrest and to which the belt pulled out from each of the belt entry and exit devices is connected by passing through the inside of each of the armrests.

Abstract: A riding-type mowing apparatus includes: a lower limit adjustment lever provided at a position where a user reaches the position by extending an arm of the user; a lever connection bar coupled to a lower portion of the lower limit adjustment lever and extending in a linear shape; a lower limit adjustment step rotating together with the lever connection bar and adjusting a lift-down height of the mower unit; a first front deck link coupled to a front upper surface of the mower unit; a second front deck link coupled to the first front deck link and the body frame; a first rear deck link coupled to a rear upper surface of the mower unit; a second rear deck link coupled to the first rear deck link and the body frame; and a protruding latch part making contact with a lower surface of the lower limit adjustment step.

Abstract: According to an embodiment, a riding-type mowing apparatus, in which a mower unit is disposed below a body frame to mow grass through a blade mounted in the mower unit and a driver seat is provided on the body frame, includes: a steering lever provided on both sides of the driver seat to operate traveling of the riding-type mowing apparatus; a brake pedal provided on a bottom frame disposed in front of the body frame to brake the riding-type mowing apparatus; and a lift-down pedal and a lift-up pedal disposed on both sides of the brake pedal to lift-down and lift-up the mower unit, respectively.

Abstract: A mowing apparatus includes: a deck unit mounted below a body frame and including a blade for mowing; a first deck link coupled to an upper surface of the deck unit; a rotary shaft rotatably provided below the body frame; a second deck link rotated together with the rotary shaft and disposed on the first deck link; a link arm coupling bolt coupled to an upper portion of the first deck link while passing through the second deck link; and a deck height adjustment part including a height adjustment bolt for adjusting a height of the link arm coupling bolt.

Abstract: A display device includes multiple light emitting devices disposed on a substrate, each including a first electrode, an emission layer, and a second electrode, a pixel defining layer including multiple openings overlapping the first electrode in a plan view, an encapsulation layer covering the light emitting devices and including multiple first openings overlapping the pixel defining layer in a plan view, a bank disposed on the encapsulation layer, overlapping the first openings in a plan view, and including multiple second openings overlapping the light emitting devices in a plan view, a first color conversion layer, a second color conversion layer, and a transmission layer, each disposed inside the second openings, and a spacer disposed on the bank and including a colored material.

Abstract: An apparatus for eliminating residual heat of a nuclear reactor for vehicle mounting include: a reactor vessel in which molten salt flows; and a reactor cooler for cooling the reactor vessel. The reactor cooler includes: a first cooling unit including a heat medium that exchanges heat with the reactor vessel, and one or more heat dissipation pipes providing passages through which water coolant flows; and a second cooling unit configured to receive the water coolant discharged from the first cooling unit and cool the water coolant through an external fluid. The second cooling unit is configured such that the cooled water coolant flows into the first cooling unit in a normal position and in an abnormal position inclined to be perpendicular to the normal position.

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 display device and a method for manufacturing the same. A display device includes: a first substrate; a partition wall which is disposed on the first substrate to define a first space and includes a top portion and side portions extending from the top portion; a reflective layer which covers the top portion and the side portions; an organic layer which is disposed on the reflective layer to overlap the top portion and has liquid repellency; and a wavelength conversion layer which is disposed in the first space.

Abstract: An off-chain data sharing system according to an embodiment of the present invention includes a first storage node to store off-chain data, a blockchain node to store a ledger that records permission information of the off-chain data, and a data stream hub to relay data transmission and reception between the first storage node and a second storage node requesting the off-chain data by referring to the permission information.

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 display device and a method of manufacturing a display device, the display device having a plurality of pixels defined therein and including: a first substrate; a partition wall disposed on the first substrate to define openings corresponding to the plurality of pixels; and color conversion patterns disposed in the openings. The partition wall includes a light-transmitting structure having a groove and a first partition wall portion disposed in the groove and having a higher optical density than the light-transmitting structure.

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 system for supporting reflection of transactions between blockchain networks. includes a first bridge node which receives transaction data as to a first transaction within a source blockchain network, generates a transaction reflection message based on the received transaction data, and sends the generated transaction reflection message to a second bridge node related to a target blockchain network, and the second bridge node which generates a second transaction corresponding to the first transaction based on the generated transaction reflection message and processes the generated second transaction within the target blockchain network.

Abstract: A color conversion panel for a display device includes: a substrate including a first region, a second region, and a third region; a light-blocking partition disposed on the substrate and having a plurality of openings via which the first region, the second region and the third region are exposed; color conversion patterns disposed on the substrate in the openings in the first region and in the second region, respectively; and a light-transmitting layer containing scattering particles and including a first portion disposed in the opening in the third region and a second portion disposed to cover the color conversion patterns on the substrate. The scattering particles increase the efficiency of color conversion, such that color gamut may be increased.

Abstract: The present invention relates to a state of charge (SOC) management system of an energy storage device, the system comprising at least one energy storage device, wherein the SOC management system of the energy storage device manages SOC of the energy storage device by performing P-f (active power-frequency) droop control on the basis of a droop coefficient, a reference frequency, and a dead band, which determine the output of each energy storage device.