Abstract: Disclosed is a connector that interrupts electromagnetic waves and includes a terminal part, an inner shell surrounding the terminal part and having a plug form that is inserted into the connector from outside of the connector, and an outer shell surrounding at least a portion of the inner shell.

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: A connector mounted on a printed circuit board (PCB) is provided. The connector includes a mid-plate electrically connected to a ground terminal of the PCB and including a metallic material, a plurality of upper terminals situated on the mid-plate, a plurality of lower terminals situated under the mid-plate, a first insulation member situated on the mid-plate while supporting the upper terminals, a second insulation member situated under the mid-plate while supporting the lower terminals, and a pad electrically connected to the mid-plate and shielding an electromagnetic wave.

Abstract: An electronic device and an operation method thereof are provided. The electronic device includes a connecting unit configured to connect to an external power supply device that provides power to the electronic device; a first power managing unit configured to drive the electronic device using power provided from a first external power supply device connected to the connecting unit; a second power managing unit configured to charge a battery contained in the electronic device using power provided from a second external power supply device connected to the connecting unit; and a switching module configured to connect the connecting unit to one of the first power managing unit and the second power managing unit. Also, connection pins are not configured redundantly and respectively for external power supply devices, but a connecting unit is unified through a single common wiring and is commonly used, and thus, a wiring and components for supplying power may be reduced.

Abstract: A method of controlling a clock frequency of an electronic device and an electronic device using the same is provided. The electronic device includes a check module that is configured to check a clock frequency of at least one Radio Frequency (RF) band, and a control module that is configured to shift a clock frequency of a high speed signal such that a noise generation clock frequency and the clock frequency of the at least one RF band checked by the check module are not identical, when an interface of the high speed signal is used.

Abstract: A method and an apparatus perform Mobile High-definition Link (MHL) signal filtering. The method of performing the Mobile High-definition Link (MHL) signal filtering in a terminal includes determining whether a transmission device for MHL signal transmission is connected; determining whether a call continues when the transmission device is connected; and determining whether to perform the MHL signal filtering in the terminal based on whether the call continues. Accordingly, there is an advantage of improving picture quality of an image output from a multimedia device by effectively removing a common mode noise even when an RF weak electric field is formed due to call generation.

Abstract: An electronic device includes: a first switching regulator configured to output a predetermined voltage to a first unit of an electronic device through on/off switching corresponding to a control signal received from a switching control unit; a second switching regulator configured to output a predetermined voltage to a second unit of the electronic device through on/off switching corresponding to a control signal received from the switching control unit; and a switching control unit configured to determine an off timing of each switching regulator corresponding to an on/off duty ratio of the each switching regulator and control on/off of the each switching regulator in order to turn on the second switching regulator at an off timing of the first switching regulator.

Abstract: A method for accessing data in an electronic device is provided. The method includes receiving a request for the data from at least one processor by a first cache memory among a plurality of cache memories, transmitting the requested data to the at least one processor, and transmitting access-related information regarding the request to a second cache memory among the plurality of cache memories.

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 multi layer electromagnetic wave absorber is provided. The absorber includes a surface layer comprising at least one of a dielectric lossy mixture and a magnetic lossy mixture, an absorption layer, laminated on a rear side of the surface layer, comprising: a dielectric lossy mixture having a higher loss than the dielectric lossy mixture for the surface layer, and a magnetic lossy mixture having a higher loss than the magnetic lossy mixture for the surface layer, and a boundary layer, laminated on a rear side of the absorption layer, comprising a conductive material.

Abstract: A cache and a method for performing data copying are provided. The cache includes a copy logic and be connected to a processor through a first bus and to a memory controller through a second bus, which is different from the first bus. Moreover, the copy logic may perform data copying through the second bus based on a data copy command received from the processor.

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: 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: 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: A method and an apparatus perform Mobile High-definition Link (MHL) signal filtering. The method of performing the Mobile High-definition Link (MHL) signal filtering in a terminal includes determining whether a transmission device for MHL signal transmission is connected; determining whether a call continues when the transmission device is connected; and determining whether to perform the MHL signal filtering in the terminal based on whether the call continues. Accordingly, there is an advantage of improving picture quality of an image output from a multimedia device by effectively removing a common mode noise even when an RF weak electric field is formed due to call generation.

Abstract: A multi layer electromagnetic wave absorber is provided. The absorber includes a surface layer comprising at least one of a dielectric lossy mixture and a magnetic lossy mixture, an absorption layer, laminated on a rear side of the surface layer, comprising: a dielectric lossy mixture having a higher loss than the dielectric lossy mixture for the surface layer, and a magnetic lossy mixture having a higher loss than the magnetic lossy mixture for the surface layer, and a boundary layer, laminated on a rear side of the absorption layer, comprising a conductive material.