Abstract: A method for manufacturing a secondary battery includes a forming step of pressing a pouch sheet by using a press die so that left and right accommodation grooves, which are bilaterally symmetrical to each other and are opened upward, and a bridge connecting the left and right accommodation grooves to each other are formed in the pouch sheet, wherein the bridge protrudes upward with respect to bottom surfaces of the left and right accommodation grooves, and a curved portion having a rounded shape is formed on an upper end of the bridge, a seating step of seating an electrode assembly in one of the left and right accommodation grooves, and a folding step of folding the pouch sheet so that the left and right accommodation grooves face each other.

Abstract: An antenna array and a user equipment (UE) including the antenna array. The antenna array includes a plurality of unit cells. Each unit cells includes first and second patches, phase shift transmission lines, a third patch, and a transmission line. The first and second patches radiate at a first frequency band and positioned in a first plane of the antenna array. The phase shift transmission lines connect the first and second patches and shift a phase of a signal between the first and second patches. The third patch is positioned in a second plane of the antenna array and beneath the first patch and radiates at a second frequency band that is lower than the first frequency band. The transmission line excites at least the third patch.

Abstract: According to various embodiments of the present invention, disclosed is an electronic device comprising: a first antenna element configured so as to transmit and receive a signal of a first frequency band or a second frequency band; a second antenna element configured so as to transmit and receive the signal of the first frequency band or the second frequency band; a first RF block electrically connected to the first antenna element and the second antenna element and including a first transmission and reception circuit and a second transmission and reception circuit; an RF reception circuit for receiving the signal of the first frequency band or the second frequency band from the first antenna element or the second antenna element; and a transceiver, wherein the first transmission and reception circuit processes the signal of the first frequency band or the second frequency band, the second transmission and reception circuit processes the signal of the first frequency band or the second frequency band, and th

Abstract: A method of preparing an electrode for an electrode assembly having a structure in which electrodes are laminated, including: (i) a process of coating an electrode mixture on at least one surface of a metal sheet so that n (n?2) electrode mixture coated layer lines are formed between non-coated portions parallel to a first direction; (ii) a process of rolling the metal sheet sequentially from a first electrode mixture coated layer line to an nth electrode mixture coated layer line using a rolling roller rotated in a second direction perpendicular to the first direction; (iii) a process of slitting the rolled metal sheet at least twice in the second direction to prepare electrode plate base materials having n electrode mixture coated layers formed thereon; and (iv) a process of cutting each of the electrode plate base materials in the first direction to obtain n single sheet electrodes.

Abstract: The present invention relates to a method for producing a dimeric stilbene using a plant callus culture solution. More specifically, the present invention relates to a method for producing a dimeric stilbene using a plant callus culture solution and a composition for dimeric stilbene production, which contains a plant callus culture solution as an active ingredient.

Abstract: A smart speaker for providing a sound service based on an artificial intelligence platform, while being communicatively connected to an external server is disclosed. The smart speaker includes a first transceiver for connection to a wireless local area network (WLAN), a second transceiver for connection to a mobile communication network, and a processor configured to control communication connection to the external server through the first transceiver in indoor mode, and control communication with the external server through the second transceiver in outdoor mode.

Abstract: A smart speaker for providing a sound service based on an artificial intelligence platform, while being communicatively connected to an external server is disclosed. The smart speaker includes a first transceiver for connection to a wireless local area network (WLAN), a second transceiver for connection to a mobile communication network, and a processor configured to control communication connection to the external server through the first transceiver in indoor mode, and control communication with the external server through the second transceiver in outdoor mode.

Abstract: An electronic device includes a housing including a first plate, a second plate opposite to the first plate, and a side member surrounding a space between the first plate and the second plate, and including at least part of a conductive material, a flexible printed circuit board (FPCB) attached on an inner surface of the housing, a first antenna element which is included in the FPCB and in which a slot is formed, and a first radio frequency integrated circuit (RFIC) for the first antenna element. An opening is formed in the side member or the second plate of the housing. The FPCB is attached the inner surface of the housing such that at least part in which the slot of the first antenna element is formed is exposed through the opening. At least part of the opening is filled with an insulating material.

Abstract: An electronic device includes a housing including a first plate, a second plate opposite to the first plate, and a side member surrounding a space between the first plate and the second plate, and including at least part of a conductive material, a flexible printed circuit board (FPCB) attached on an inner surface of the housing, a first antenna element which is included in the FPCB and in which a slot is formed, and a first radio frequency integrated circuit (RFIC) for the first antenna element. An opening is formed in the side member or the second plate of the housing. The FPCB is attached the inner surface of the housing such that at least part in which the slot of the first antenna element is formed is exposed through the opening. At least part of the opening is filled with an insulating material.

Abstract: Provided is a hologram transcription apparatus including: an exposure part; and a light source part for irradiating light to the exposure part. Here, the exposure part includes a transfer unit for transferring a hologram film, and the exposure part is rotatable to change an angle formed with the light.

Abstract: A user equipment (UE) and a method of operating the UE. The UE includes a front surface, a rear surface, a transceiver, and a plurality of electromagnetic strips. The front surface includes a display and the rear surface includes a cover. The transceiver is between the display and the cover and is configured to transmit signals supporting vertical polarization and horizontal polarization. The plurality of electromagnetic strips are proximate to the cover and oriented to selectively tilt one of the horizontal polarization or the vertical polarization of the signals.

Abstract: An electronic device according to an embodiment disclosed in the present document comprises: a housing; a first antenna element placed on the housing, or at a first position inside the housing; a second antenna element placed on the housing, or at a second position inside the housing; a communication processor; and at least one communication circuit electrically connected to the first antenna element and the second antenna element, wherein the at least one communication circuit can comprise: a first RF circuit, which generates an IF signal having a first frequency, a local oscillation (LO) signal of a second frequency lower than the first frequency, and a control signal of a third frequency lower than the second frequency; a second RF circuit, which provides, to the second antenna element, an RF signal of a fourth frequency higher than the third frequency and lower than the second frequency; and a third RF circuit, which receives the IF signal from the first RF circuit, up-converts the IF signal, and provides

Abstract: An electronic apparatus, according to various embodiments of the present invention, comprises: a first antenna of a first bandwidth; a second antenna of a second bandwidth which partially overlaps with the first bandwidth; a third antenna of the first bandwidth; a fourth antenna of the second bandwidth; a transmission/reception path corresponding to each of a plurality of bandwidths; a reception path corresponding to each of the plurality of bandwidths; and a path formation unit which forms a path such that any one of the first antenna and the third antenna is connected to the transmission/reception path, the other of the first antenna and the third antenna is connected to the reception path, and any one of the second antenna and the fourth antenna is connected to the transmission/reception path, and the other of the second antenna and the fourth antenna is connected to the reception path.

Abstract: The present invention discloses a method of manufacturing an electrode for a secondary battery by using a single process to notch and cut a unit electrode from an electrode sheet. The method for manufacturing electrodes for a secondary battery includes supplying an electrode sheet in a moving direction (MD), wherein the electrode sheet has a plurality of coated portions and uncoated portions alternately arranged along the MD, wherein each coated portion has an electrode active material, and each uncoated portion does not have an electrode active material; and cutting the uncoated portions to form the plurality of unit electrodes.

Abstract: An electronic device is provided and includes a first housing forming a portion of an outside surface of the electronic device, a second housing coupled with the first housing and forming another portion of the outside surface of the electronic device, an antenna formed in at least a portion of the second housing, a connector including one or more connection pins for connection with an external device, at least a portion of an outside surface of the connector being formed of a conductive member, an adjusting circuit electrically connected with, at least, the portion of the outside surface of the connector formed of the conductive member, wherein an impedance of the adjusting circuit is variable. The electronic device may further include a processor configured to vary the impedance of the adjusting circuit based on a signal to be output through the antenna, and output the signal through the antenna, with the impedance of the adjusting circuit being varied.

Abstract: An electronic device is provided.

Abstract: Disclosed is an electronic device comprising a first component, a second component, and a signal path interface coupled between the first component and the second component, the signal path interface including a printed circuit board (PCB) having a rigid PCB portion and a flexible PCB portion, wherein a first signal line and a second signal line extend through the rigid PCB portion and the flexible PCB portion for transmitting signals from the first component to the second components, and a plurality of ground lines extend through the rigid PCB portion and the flexible PCB portion, and wherein each of the plurality of ground lines extending through the rigid PCB portion is connected to one or more conductive layers through conductive vias.

Abstract: An electronic device includes a first antenna configured to transmit and receive a first signal of a first frequency band, and a housing in which the first antenna is accommodated, wherein the housing includes a first conductor having a first slit that at least partially overlaps the first antenna, wherein the first conductor is formed of a metal and at least a portion of the first slit is filled with a metal oxide. Additionally, the electronic device includes a second conductor configured to transmit and receive a second signal of a second frequency band, and a second slit formed between the first conductor and the second conductor, and wherein the second slit is filled with a material that has an external appearance that is different from that of the second conductor.

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: An electronic device includes a housing that includes a cover glass, a rear plate, and a side member, a first antenna array that is positioned adjacent to a first corner of the side member and transmits/receives a first radio frequency (RF) signal corresponding to first data, a second antenna array that is positioned adjacent to a second corner of the side member and transmits/receives a second RF signal corresponding to the first data, a third antenna array that is positioned adjacent to a third corner of the side member and transmits/receives a third RF signal corresponding to second data, a fourth antenna array that is positioned adjacent to a fourth corner of the side member and transmits/receives a fourth RF signal corresponding to the second data, and a communication module. The communication module controls at least one of the arrays such that a beam for transmitting/receiving at least one RF signal of the first, second, third, fourth RF signal is formed.