摘要:
The inventive concepts relate to variable gain amplifiers. The variable gain amplifier including an amplifier, a first fixed resistor and a first variable resistor, a second fixed resistor and a second variable resistor, a third fixed resistor and a third variable resistor, a fourth fixed resistor and a fourth variable resistor, a first output terminal and a second output terminal, and a decoder may be provided. The decoder is configured to receive first control bits, generate second control bits from the first control bits, generate third and fourth control bits from the first or second control bits, respectively, transmit the first control bits and the third control bits to the third and fourth variable resistors to adjust resistance values, and transmit the second and fourth control bits to first and second variable resistors to adjust resistance values.
摘要:
The mobile terminal supporting low energy short range communication function includes a low energy short range communication unit; a switching unit configured to receive low energy communication data from the low energy short range communication unit and outputs the low energy communication data; a first processor configured to receive the low energy communication data received from the low energy short range communication unit via the switching unit; and a second processor configured to receive the low energy communication data received from the low energy short range communication unit via the switching unit, wherein the second processor is configured to receive operation state information from the first processor; and control, when the operation state information is received, the switching unit to relay the low energy communication data to one of the first and second processors based on the operation state information.
摘要:
Disclosed is an annular resonator including a conductor formed on a surface of an annular shaped structure and having a first end and a second end opposite to the first end, and a capacitor having a first end and a second end opposite to the first end, wherein a radius of curvature of a first side facing a center portion of the annular shaped structure is smaller than a radius of curvature of a second side facing an outer periphery of the annular shaped structure, and wherein the first end and the second end of the conductor are electrically connected to the first end and the second end of the capacitor, respectively.
摘要:
An electronic device includes a light emitting unit, including a first light emitting element and a second light emitting element; and a plurality of light receiving units disposed in a structure that encloses the light emitting unit, wherein the first light emitting element and the second light emitting element are disposed in a separated state based on a radiation area related to the light emitting unit in a designated distance range. Various embodiments are available.
摘要:
The present disclosure provides an electronic device and methods for operating the electronic device. The electronic device may include: a housing having a coupling member removably attachable to an ear of a user; one or more microphones provided within the housing and configured to detect an external sound; at least one speaker provided within the housing; at least one communication circuit within the housing; a processor provided within the housing and electrically coupled to the one or more microphones, the at least one speaker, and the at least one communication circuit; and at least one memory provided within the housing, and electrically coupled to the processor. The memory may store instructions that cause, when executed, the processor to receive the detected external sound from the one or more microphones, to identify an direction of the external sound in relation to the user, to determine whether the direction of the external sound is within a predefined range, and to extract at least a portion of the external sound for further processing when the direction of the external sound is within the predefined range.
摘要:
The mobile terminal supporting low energy short range communication function includes a low energy short range communication unit; a switching unit configured to receive low energy communication data from the low energy short range communication unit and outputs the low energy communication data; a first processor configured to receive the low energy communication data received from the low energy short range communication unit via the switching unit; and a second processor configured to receive the low energy communication data received from the low energy short range communication unit via the switching unit, wherein the second processor is configured to receive operation state information from the first processor; and control, when the operation state information is received, the switching unit to relay the low energy communication data to one of the first and second processors based on the operation state information.
摘要:
An electronic device according to various embodiments may include: a communication module comprising communication circuitry; and a processor configured to receive, from an external electronic device functionally connected with the electronic device, a request associated with transferring a portion of one or more rights capable of controlling the electronic device, using the communication module; transfer the portion of the one or more rights to the external electronic device, based at least on the request if the electronic device is performing a function associated with driving; and restrict transferring the portion of the one or more rights to the external electronic device, based at least on the request if the electronic device is performing a function not associated with the driving.
摘要:
An electronic device according to various embodiments may include: a communication module comprising communication circuitry; and a processor configured to receive, from an external electronic device functionally connected with the electronic device, a request associated with transferring a portion of one or more rights capable of controlling the electronic device, using the communication module; transfer the portion of the one or more rights to the external electronic device, based at least on the request if the electronic device is performing a function associated with driving; and restrict transferring the portion of the one or more rights to the external electronic device, based at least on the request if the electronic device is performing a function not associated with the driving.
摘要:
According to an embodiment, an electronic device may include a battery, a resonance circuit, a rectifier, a DC/DC converter, a charger, a switch, an overvoltage protection circuit configured to perform an overvoltage protection operation or to stop the overvoltage protection operation based on the voltage at the output terminal of the rectifier, a control circuit, and a communication circuit, and the control circuit may be configured to: based on a periodic repetition of a performance of the overvoltage protection operation and a stop of the overvoltage protection while the switch is in an off state, identify a first period during which the overvoltage protection operation is stopped, based on the first period, identify an expected voltage at an output terminal of the rectifier, to be expected, wherein the expected voltage is a voltage if the switch is in an on state, based on the expected voltage, identify whether an occurrence of an overvoltage is expected if the switch is in the on state, and control the communication circuit to transmit a communication signal including information about whether the occurrence of the overvoltage is expected.
摘要:
According to one embodiment of the present disclosure, an electronic device may include a housing including a portion configured to detachably couple with a part of a user's ear, a sensor installed on an outer surface of the housing or in the housing, a communication circuit installed on the outer surface of the housing or in the housing, a speaker installed on the outer surface of the housing, exposed toward an eardrum of the ear, and electrically connected to the communication circuit, a processor electronically connected to the sensor, the communication circuit, and the speaker, and a memory electrically connected to the processor.