Abstract: Disclosed is a cathode for a lithium secondary battery, which has a coating layer formed on an edge portion of a cathode plate, a method of manufacturing the cathode, and a lithium secondary battery including the cathode. The cathode includes a cathode plate and a coating layer formed at an edge portion of the cathode plate, in which the cathode plate includes a cathode current collector provided with cathode tab and a cathode active material laminated on at least one surface of the cathode current collector, and the coating layer includes a conductive polymer layer and an insulating coating layer.

Abstract: Disclosed is a method for pre-detecting a defective porous polymer substrate for a separator, including selecting a porous polymer substrate having a plurality of pores; observing the selected porous polymer substrate with a scanning electron microscope (SEM) to obtain an image of the porous polymer substrate; quantifying the average value of pore distribution index (PDI); correcting the quantified average value of pore distribution index to obtain the corrected average value of pore distribution index; determining whether or not the corrected average value of pore distribution index is 60 a.u. (arbitrary unit) or less; and classifying the porous polymer substrate as a good product, when the corrected average value of pore distribution index is determined to be 60 a.u. or less, and classifying the porous polymer substrate as a defective product, when the corrected average value of pore distribution index is determined to be larger than 60 a.u.

Abstract: Various examples of the present invention relate to a device and a method for improving wireless communication performance in an electronic device. The electronic device comprises multiple antennas, a communication circuit connected to the multiple antennas, a connector, and at least one processor, wherein the processor checks whether a wired cable is connected through the connector and, if the wired cable is connected through the connector, can perform control such that communication using the multiple antennas corresponding to the connection of the wired cable is performed. Other examples can be possible.

Abstract: Various examples of the present invention relate to a device and a method for improving wireless communication performance in an electronic device. The electronic device comprises multiple antennas, a communication circuit connected to the multiple antennas, a connector, and at least one processor, wherein the processor checks whether a wired cable is connected through the connector and, if the wired cable is connected through the connector, can perform control such that communication using the multiple antennas corresponding to the connection of the wired cable is performed. Other examples can be possible.

Abstract: An electronic device is provided. The electronic device includes a memory configured to store at least one instruction associated with a universal serial bus (USB) communication function or a wireless communication function operation, and at least one processor connected to the memory and configured to execute the at least one instruction stored in the memory. When a request for execution of the wireless communication function is received during execution of the USB communication function, the at least one instruction executed by the processor is configured to deactivate the execution of USB communication function in corresponding to a type of the USB communication function.

Abstract: An electronic device is provided. The electronic device includes a circuit board including multiple lands arranged on a surface, and an electrical receptacle including multiple contacts electrically connected to the multiple lands, the electrical receptacle being installed on the circuit board, where at least two contacts are connected to at least one land among the multiple lands.

Abstract: A connecting device is provided. The connecting device includes a first connector having a first pin row, a second connector having a second pin row, a data line connecting a data pin of the first pin row and a data pin of the second pin row, and a recognition line connecting a power pin of the first pin row and a recognition pin of the second pin row through a physical element.

Abstract: A connecting device is provided. The connecting device includes a first connector having a first pin row, a second connector having a second pin row, a data line connecting a data pin of the first pin row and a data pin of the second pin row, and a recognition line connecting a power pin of the first pin row and a recognition pin of the second pin row through a physical element.

Abstract: An electronic device is provided. The electronic device includes a circuit board including multiple lands arranged on a surface, and an electrical receptacle including multiple contacts electrically connected to the multiple lands, the electrical receptacle being installed on the circuit board, where at least two contacts are connected to at least one land among the multiple lands.

Abstract: An electronic device is provided. The electronic device includes a memory configured to store at least one instruction associated with a universal serial bus (USB) communication function or a wireless communication function operation, and at least one processor connected to the memory and configured to execute the at least one instruction stored in the memory. When a request for execution of the wireless communication function is received during execution of the USB communication function, the at least one instruction executed by the processor is configured to deactivate the execution of USB communication function in corresponding to a type of the USB communication function.

Abstract: Disclosed herein are a passive equalizer and a high-speed digital signal transmission system, including first and second impedances connected in series to a first transfer line, third and fourth impedances connected in series to a second transfer line, a first inductor connected in parallel between the first impedance and the second impedance, a second inductor connected in parallel between the third impedance and the fourth impedance, and a resistor connected in series between the first inductor and the second inductor.

Abstract: A connector device includes one or more connection terminals, and a shell housing provided with a body receiving one or more connection terminals, and fixing portions formed as one piece with the body and fixed to a substrate. A standard mode typed connector device includes the connection terminals mounted to be close to an upper surface in the body. A reverse mode typed connector device includes the connection terminals mounted to be close to a bottom surface of the body. Also other embodiments of the connector device are disclosed.

Abstract: An apparatus for compensating for channel loss in an electronic includes a resistor configured to increase an output voltage swing level, and a connector configured to receive a data signal, to compensate for channel loss of the received data signal by amplifying the received data signal, and to output the amplified data signal.

Abstract: Disclosed herein are a passive equalizer and a high-speed digital signal transmission system, including first and second impedances connected in series to a first transfer line, third and fourth impedances connected in series to a second transfer line, a first inductor connected in parallel between the first impedance and the second impedance, a second inductor connected in parallel between the third impedance and the fourth impedance, and a resistor connected in series between the first inductor and the second inductor.

Abstract: A method, electronic device apparatus and a cable apparatus for reducing crosstalk in a signal transmitted to an electronic device through the cable apparatus are disclosed. The cable apparatus has a plurality of signal lines. The device and method may determine a relevant communication scheme, activate the relevant communication scheme by electrically coupling at least one of the plurality of signal lines of the cable apparatus correlating to the activated relevant communication scheme. At least one of the plurality of signal lines of the cable apparatus not correlating to the activated relevant communication scheme is electrically grounded.

Abstract: Disclosed herein is a dual-band antenna for a terminal for receiving VHF and UHF signals. A radiator of the dual-band antenna for a terminal for receiving VHF and UHF signals according to the present invention comprises a first patch bent at a part of a distal end thereof, and a second patch electrically connected to the first patch and formed in a spiral shape. A longitudinal portion of the second patch is constructed superposedly in a multi-structure in parallel with that of the first patch, so that the broadband of the VHF and UHF can be covered through an inverted L-shaped folded antenna structure.