Abstract: An apparatus for manufacturing a pouch-type rechargeable battery includes a preforming portion forming a folding groove in a portion of a protrusion of the pouch-type rechargeable battery, a folding portion disposed on a rear end of the preforming portion and folding the protrusion along the folding groove, a rolling portion disposed on a rear end of the folding portion and pressing the folded protrusion, and a pressing portion disposed on a rear end of the rolling portion and fixing the folded protrusion.

Abstract: A cigarette includes a tobacco rod, a front end plug positioned at a front end of the tobacco rod, a filter rod positioned at a rear end of the tobacco rod, and a wrapper surrounding the tobacco rod, the front end plug, and the filter rod and including at least one perforation formed in an area of the wrapper to allow air to flow to the inside of the wrapper.

Abstract: The vehicle digital key sharing service method according to one embodiment includes a digital registration step in which a management server generates a terminal digital key and a vehicle digital key after user authentication in response to a digital key registration request through a dedicated application of a mobile terminal and the mobile terminal stores the terminal digital key in a secure world that is separated from a normal world and a digital key using step in which an authentication token is generated using the terminal digital key stored in the secure world when the mobile terminal approaches or tags a vehicle and a vehicle device locks or unlocks a door of the vehicle by activating the vehicle digital key, which is registered from the management server, to validate the authentication token.

Abstract: The present disclosure provides a waveguide display apparatus. The waveguide waveguide display apparatus of the present disclosure is a waveguide display apparatus for correcting curved surface reflection distortion, the waveguide display apparatus including a waveguide for guiding light inputted from the outside; a first diffractive optical element disposed at the waveguide, and diffracting the light inputted from the outside to the inside of the waveguide; and a second diffractive optical element disposed at the waveguide, and diffracting the light guided by the waveguide to output a plurality of diffracted lights in a direction of a curved surface reflector located outside, wherein the second diffractive optical element has a structure of a diffraction grating corresponding to a curvature of the curved surface reflector such that the diffracted lights are reflected at different locations of the curved surface reflector in directions parallel to each other.

Abstract: Disclosed are a method and apparatus for reusing wastewater. The method for reusing wastewater disclosed herein includes: generating a mixed wastewater by mixing multiple types of wastewater (S20); performing a first purification by passing the mixed wastewater through a flocculation-sedimentation unit (S40); performing a second purification by passing an effluent of the flocculation-sedimentation unit through a membrane bioreactor (MBR) (S60); performing a third purification by passing an effluent of the MBR through a reverse-osmosis membrane unit (S80); and reusing an effluent of the reverse-osmosis membrane unit as cooling water or industrial water (S100).

Abstract: Provided is an aerosol-generating article including a wrapper which is discolored as the aerosol-generating material is heated, the aerosol-generating article including: a tobacco rod; a front-end plug arranged on a side of the tobacco rod; a filter rod arranged on the other side of the tobacco rod; and the wrapper surrounding the tobacco rod, the front-end plug, and the filter rod, wherein the wrapper includes a thermochromic material which is heated and discolored by an aerosol-generating device when the aerosol-generating article is inserted into the aerosol-generating device.

Abstract: Disclosed herein is a method of printing a nanostructure including: preparing a template substrate on which a pattern is formed; forming a replica pattern having an inverse phase of the pattern by coating a polymer thin film on an upper portion of the template substrate, adhering a thermal release tape to an upper portion of the polymer thin film, and separating the polymer thin film from the template substrate; forming a nanostructure by depositing a functional material on the replica pattern; and printing the nanostructure deposited on the replica pattern to a substrate by positioning the nanostructure on the substrate, applying heat and pressure to the nanostructure, and weakening an adhesive force between the thermal release tape and the replica pattern by the heat.

Abstract: Disclosed herein relates to an electrode for a lithium secondary battery including an insulating layer. The insulating layer is formed on a first insulating layer containing a first binder and on the first insulating layer, and includes a second insulating layer containing inorganic particles and a second binder, wherein the first binder is PVDF (Polyvinylidene fluoride), and the second binder is SBR (styrene butadiene rubber). Accordingly, the insulating layer of the present invention is excellent in wetness adhesion and electrical safety.

Abstract: Disclosed herein is a method of depositing a transition metal single-atom catalyst including preparing a carbon carrier, and depositing a transition metal single-atom catalyst on the carbon carrier, in which the carbon carrier is surface-treated by an oxidation process, and wherein the deposition is carried out by an arc plasma process.

Abstract: The technology provides for a wearable device including a body and an accessory adapted to be attached to the body. The body includes a first coil configured to inductively transmit power. The body may further include first power management circuitry configured to control the first coil to transmit power according to a wireless charging standard, and to modulate the power transmitted through the first coil to transmit data according to a wireless communication standard. The accessory may include a second coil configured to inductively receive power. The accessory may further include second power management circuitry configured to control the second coil to receive the power transmitted through the first coil according to the wireless charging standard, and to control the second coil to receive the data transmitted through the first coil according to the wireless communication standard.

Abstract: The technology provides for a wearable device including a body and an accessory adapted to be attached to the body. The body includes a first coil configured to inductively transmit power. The body may further include first power management circuitry configured to control the first coil to transmit power according to a wireless charging standard, and to modulate the power transmitted through the first coil to transmit data according to a wireless communication standard. The accessory may include a second coil configured to inductively receive power. The accessory may further include second power management circuitry configured to control the second coil to receive the power transmitted through the first coil according to the wireless charging standard, and to control the second coil to receive the data transmitted through the first coil according to the wireless communication standard.

Abstract: The technology provides for a wearable device including a body and an accessory adapted to be attached to the body. The body includes a first coil configured to inductively transmit power. The body may further include first power management circuitry configured to control the first coil to transmit power according to a wireless charging standard, and to modulate the power transmitted through the first coil to transmit data according to a wireless communication standard. The accessory may include a second coil configured to inductively receive power. The accessory may further include second power management circuitry configured to control the second coil to receive the power transmitted through the first coil according to the wireless charging standard, and to control the second coil to receive the data transmitted through the first coil according to the wireless communication standard.

Abstract: Methods, systems, and techniques for safely controlling wireless charging in the presence of a foreign object are presented. A method includes determining a power difference between a power transmitted by a wireless charger and a power received by an electronic device, determining a level of misalignment of the electronic device with respect to the wireless charger; estimating an amount of power difference due to the level of misalignment of the electronic device with respect to the wireless charger, adjusting a power difference threshold for the wireless charger based on the estimated amount of power difference, and controlling operation of the wireless charger based on the power difference and the adjusted power difference threshold.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer-storage media, for improving wireless charging. In some implementations, an electronic device determines a power demand of the electronic device. The electronic device includes a wireless power receiver including a wireless power receiving coil configured to receive power through inductive coupling with a wireless charge. The electronic device determines an operating voltage or operating frequency for the wireless charger based on the power demand of the electronic device. The electronic device sends, to the wireless charger, data indicating the operating voltage or operating frequency for the wireless charger.

Abstract: The technology provides for a wearable device including a body and an accessory adapted to be attached to the body. The body includes a first coil configured to inductively transmit power. The body may further include first power management circuitry configured to control the first coil to transmit power according to a wireless charging standard, and to modulate the power transmitted through the first coil to transmit data according to a wireless communication standard. The accessory may include a second coil configured to inductively receive power. The accessory may further include second power management circuitry configured to control the second coil to receive the power transmitted through the first coil according to the wireless charging standard, and to control the second coil to receive the data transmitted through the first coil according to the wireless communication standard.

Abstract: In some implementations, a headphone device includes an earpiece housing, a speaker in the earpiece housing configured to produce audio, and a wireless charging coil having a first portion that extends outside the earpiece housing and a second portion that extends within the earpiece housing. A battery charging circuit is coupled to the wireless charging coil, and the battery charging circuit is configured to charge a battery of the headphone device based on electrical current induced in the wireless charging coil.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer-storage media, for improving wireless charging. In some implementations, an electronic device determines a power demand of the electronic device. The electronic device includes a wireless power receiver including a wireless power receiving coil configured to receive power through inductive coupling with a wireless charge. The electronic device determines an operating voltage or operating frequency for the wireless charger based on the power demand of the electronic device. The electronic device sends, to the wireless charger, data indicating the operating voltage or operating frequency for the wireless charger.

Abstract: In some implementations, a headphone device includes an earpiece housing, a speaker in the earpiece housing configured to produce audio, and a wireless charging coil having a first portion that extends outside the earpiece housing and a second portion that extends within the earpiece housing. A battery charging circuit is coupled to the wireless charging coil, and the battery charging circuit is configured to charge a battery of the headphone device based on electrical current induced in the wireless charging coil.

Abstract: Methods, systems, and techniques for safely controlling wireless charging in the presence of a foreign object are presented. A method includes determining a power difference between a power transmitted by a wireless charger and a power received by an electronic device, determining a level of misalignment of the electronic device with respect to the wireless charger; estimating an amount of power difference due to the level of misalignment of the electronic device with respect to the wireless charger, adjusting a power difference threshold for the wireless charger based on the estimated amount of power difference, and controlling operation of the wireless charger based on the power difference and the adjusted power difference threshold.

Abstract: Methods, systems, and devices for enhanced digital headsets are disclosed. An enhanced USB-C headset includes a USB-C connector, a cable extending from the USB-C connector, an inline control box coupled to the USB-C connector through the cable, and a first earphone and a second earphone. The cable includes conductors for transmitting DC bus power, power return, and differential digital signals and extends at least one foot in length. The control box includes a single circuit board, with circuitry for managing digital communications, converting audio data, and providing output signals to drive analog speaker elements of the earphones.