Abstract: A portable hair printer includes a communication module, a printer module that performs a printing operation, a memory that stores a program for printing an image on a surface of a bundle of hairs, and a processor that executes the program, wherein the program is executed by the processor, receives an image to be dyed on the bundle of hairs from the user terminal through the communication module, and transmits the received image to the printer module to perform an image printing operation for the bundle of hairs, and the portable hair printer further comprises a housing having the communication module, the printer module, the memory, and the processor embedded therein, and the housing includes an upper housing and a lower housing hinged to each other around a hinge.

Abstract: A portable hair printer includes a communication module, a printer module that performs a printing operation, a memory that stores a program for printing an image on a surface of a bundle of hairs, and a processor that executes the program, wherein the program is executed by the processor, receives an image to be dyed on the bundle of hairs from the user terminal through the communication module, and transmits the received image to the printer module to perform an image printing operation for the bundle of hairs, and the portable hair printer further comprises a housing having the communication module, the printer module, the memory, and the processor embedded therein, and the housing includes an upper housing and a lower housing hinged to each other around a hinge, and a sensor module.

Abstract: According to one aspect of the present disclosure, provided is a film for hair dyeing comprising: a base film; and an ink layer for hair dyeing on the base film, wherein the ink layer for hair dyeing comprises a first pigment for masking hair color, a second pigment for expressing desired color on hair, a resin, and wax. According to one aspect of the present disclosure, provided is a printer for hair dyeing comprising: a body including a printer head; and a film cartridge for hair dyeing mounted to the body over the printer head; wherein the printer head may be in contact with a film included in the film cartridge for hair dyeing and comprises a hair holder of which one end is connected to one end of the body so as to be folded and unfolded with respect to the body. The hair may be grabbed between the body and the hair holder, and the printer head may be positioned on a side facing the hair holder.

Abstract: A semiconductor device includes a memory bank including a first memory block, a second memory block, and a redundancy memory block, and a column line selection circuit configured, when a fail occurs in a first column line of the first memory block, to replace the first column line of the first memory block with a first redundancy line of the redundancy memory block, and replace a second column line of the second memory block with a second redundancy line of the redundancy memory block.

Abstract: The present invention relates to an electronic device and, more particularly, to an electronic device and a method for transmitting and receiving signals.

Abstract: A semiconductor device includes a memory bank including a first memory block, a second memory block, and a redundancy memory block, and a column line selection circuit configured, when a fail occurs in a first column line of the first memory block, to replace the first column line of the first memory block with a first redundancy line of the redundancy memory block, and replace a second column line of the second memory block with a second redundancy line of the redundancy memory block.

Abstract: The present invention relates to an electronic device and, more particularly, to an electronic device and a method for transmitting and receiving signals.

Abstract: The present invention relates to an electronic device and, more particularly, to an electronic device and a method for transmitting and receiving signals.

Abstract: A skin printing solution system includes a skin printing device that provides a user with a skin printing solution user interface including an online art gallery, a skin printing server that provides the online art gallery to the skin printing device, and a skin printer that outputs a tattoo image received from the skin printing device to a print region. Herein, when the user selects a tattoo image through the skin printing solution user interface, the skin printing device receives the selected tattoo image from the skin printing server and transmits the received tattoo image to the skin printer. In addition, the online art gallery includes multiple tattoo images, and the print region is the skin of the user or a different user.

Abstract: The present invention relates to an electronic device and, more particularly, to an electronic device and a method for transmitting and receiving signals.

Abstract: A memory system and a method for operating the same, wherein the memory system includes a first memory and a second memory each configured to store data. The memory system further includes a test and repair circuit operationally connected to the first memory and to the second memory. The test and repair circuit is configured to receive a test initiation signal and perform, in response to receiving the test initiation signal, a test operation on at least one of the first memory and the second memory. The test and repair circuit is also configured to perform, based on a result of the test operation, a repair operation on the at least one of the first memory and the second memory.

Abstract: A semiconductor memory device includes: a plurality of banks each including a plurality of cell mats and a plurality of sense amplifiers shared by adjacent cell mats; and a bank control circuit suitable for activating a normal word line of a particular cell mat of a bank selected according to a refresh command including bank information, and activating a target word line of a cell mat that does not share a sense amplifier with the particular cell mat according to a target refresh command after a preset delay time.

Abstract: A portable hair printer includes a communication module, a printer module that performs a printing operation, a memory that stores a program for printing an image on a surface of a bundle of hairs, and a processor that executes the program, wherein the program is executed by the processor, receives an image to be dyed on the bundle of hairs from the user terminal through the communication module, and transmits the received image to the printer module to perform an image printing operation for the bundle of hairs, and the portable hair printer further comprises a housing having the communication module, the printer module, the memory, and the processor embedded therein, and the housing includes an upper housing and a lower housing hinged to each other around a hinge, and a sensor module.

Abstract: A skin printing solution system includes a skin printing device that provides a user with a skin printing solution user interface including an online art gallery, a skin printing server that provides the online art gallery to the skin printing device, and a skin printer that outputs a tattoo image received from the skin printing device to a print region. Herein, when the user selects a tattoo image through the skin printing solution user interface, the skin printing device receives the selected tattoo image from the skin printing server and transmits the received tattoo image to the skin printer. In addition, the online art gallery includes multiple tattoo images, and the print region is the skin of the user or a different user.

Abstract: A semiconductor memory device includes: a plurality of banks each including a plurality of cell mats and a plurality of sense amplifiers shared by adjacent cell mats; and a bank control circuit suitable for activating a normal word line of a particular cell mat of a bank selected according to a refresh command including bank information, and activating a target word line of a cell mat that does not share a sense amplifier with the particular cell mat according to a target refresh command after a preset delay time.

Abstract: A skin printer includes a printer housing including a receiving part to receive a plurality of cartridges having a nozzle to discharge a printing solution including at least one of an ink, a coating agent, a fragrant material, and a fluorescent substance or a combination of the ink, the coating agent, the fragrant material, and the fluorescent substance, and a plurality of discharge holes to discharge the printing solution from nozzles of the plurality of cartridges received in the receiving part, a main roller rollably provided in the printer housing to guide movement of the printer housing along a skin, and at least one spacing roller interposed between the discharge holes paired to be adjacent to each other to space the printer housing to the skin, and to roll along the skin together with the main roller.

Abstract: A memory system and a method for operating the same, wherein the memory system includes a first memory and a second memory each configured to store data. The memory system further includes a test and repair circuit operationally connected to the first memory and to the second memory. The test and repair circuit is configured to receive a test initiation signal and perform, in response to receiving the test initiation signal, a test operation on at least one of the first memory and the second memory. The test and repair circuit is also configured to perform, based on a result of the test operation, a repair operation on the at least one of the first memory and the second memory.

Abstract: A mobile image forming apparatus and an image compensation method of the mobile image forming apparatus are provided. The mobile image forming apparatus includes a surface measurer configured to measure an area touched by the mobile image forming apparatus among a surface area on which a print image is to be printed, an image processor configured to retrieve at least one of curvature data and moisture data from the measured result, and compensate the print image based on the at least one of the curvature data and moisture data retrieved, and an image former configured to print the compensated print image on the surface.

Abstract: A semiconductor memory device includes: a memory array region including normal memory cells and redundant memory cells; a fuse circuit including fuse cells for programming repair addresses, outputting fuse data including the programmed repair addresses and fuse enable signals in response to a boot-up signal; a fuse information storage including N latch circuits for storing the fuse data, wherein each of the N latch circuits drives fuse lines assigned from N fuse lines based on the fuse enable signals and a comparison result of the corresponding repair addresses and an input address; and a repair control circuit generating a repair activation signal and an M-bit repair control signal based on signals of the N fuse lines, and outputting the M-bit repair control signal to multiple address lines by selectively mapping the M-bit repair control signal to some bits of the input address, based on the repair activation signal.