2828 results about "Communication circuits" patented technology

The invention relates to the technical field of voltage acquisition, in particular to a battery string voltage acquisition system with a calibration system and a voltage acquisition method. Which comprises a multi-path voltage input end, a voltage signal adjusting end, a voltage follower, an analog-to-digital converter, a main control center and a communication circuit, and is characterized in that the voltage signal adjusting end comprises a dynamic voltage division network, consists of a digital potentiometer and a high-voltage operational amplifier, and dynamically adjusts the voltage division ratio to suppress common-mode voltage; the main control center is integrated with a multi-channel synchronous sampling calibration module and generates a global synchronous signal through the main MCU to control the ADC to perform synchronous acquisition; a temperature compensation module is arranged between the voltage follower and the ADC, and a digital temperature sensor is adopted to correct the gain drift of the operational amplifier in real time; the voltage division ratio of the dynamic voltage division network is dynamically adjusted according to the real-time common-mode voltage and a preset safety threshold value. According to the scheme, dynamic partial pressure adjustment, multi-channel self-calibration, nonlinear temperature compensation and a rapid protection mechanism can be integrated.

An electronic device includes a memory storing one or more instructions; a communication circuit; and a processor operatively coupled to the memory and the communication circuit, in which the one or more instructions, when executed by the processor, cause the electronic device to: identify a use pattern of specified media items from a plurality of media items stored in the memory, determine, based on the use pattern, a score of each of the specified media items, extract, using a main AI model stored in the memory, a feature corresponding to a characteristic of each of the specified media items, acquire a first AI model trained based on the score and the feature, based on the first AI model, determine a first preference of each of first media items from the plurality of media items, and based on the first preference, perform a function related to the first media items.

An electronic device is provided. The electronic device includes a first conductive frame, a second conductive frame, a split portion, a conductive structure disposed inside the electronic device, a first conductive member, and a wireless communication circuit electrically connected to the first conductive frame, the second conductive member, a conductive portion, and the first conductive member, and the second conductive member, wherein the wireless communication circuit may be configured to transmit and / or receive a radio signal by using at least a portion of an electric path provided by the first conductive frame, the first conductive member, the second conductive member, the conductive portion, and the conductive structure by feeding power to the first conductive member and / or the second conductive member.

An electronic device may include a communication circuit and at least one processor comprising processing circuitry. The at least one processor may be individually and / or collectively configured to: connect a communication link with an external electronic device; perform audio relay negotiation for audio service with the external electronic device over the communication link; receive at least one first data packet broadcast from a source electronic device; transmit, to the external electronic device through the communication link, reception indication information related to the audio service, on the basis of the audio relay negotiation; on the basis of the audio relay negotiation, receive, from the external electronic device, relay data including at least one second data packet that the external electronic device has received from the source electronic device; and output audio on the basis of the at least one first data packet and the at least one second data packet.

An electronic device includes a first housing connected to a second housing having a protrusion configured to be seated on an ear. The electronic device also includes a printed circuit board, a wireless communication circuit, an antenna carrier disposed in internal space defined by the first housing and the second housing. The electronic device also includes a conductive pattern formed over the first surface and the second surface through a first through hole and electrically connected to the wireless communication circuit. The antenna carrier includes a first surface, a second surface opposite to the first surface, and through holes passing through the antenna carrier. The antenna carrier also includes a groove structure including a portion in contact with a second through hole and formed on the second surface of the antenna carrier. The wireless communication circuit transmits and / or receives a wireless signal by providing power to the conductive pattern.

Disclosed is a smart card including a communication circuit configured to communicate with a reader associated with an authentication service, a memory for storing a program associated with the authentication service, a decentralized identifier, and a VC list, and at least one processor operatively connected to the memory and configured to execute instructions, in which the at least one processor is configured to transmit a VC included in the VC list and associated with the authentication request to the reader when receiving an authentication request from the reader, and generate an electronic signature, when receiving a hash value generated based on at least a piece of information included in the VC, based on the hash value and the decentralized identifier set and transmit the generated electronic signature to the reader. In addition to this, various embodiments grasped through the specification are possible.

The base station comprises: a control circuit that sets allocation resources to be allocated to signals of a terminal within one of a plurality of bands, in a method in which transmission directions are individually set for a plurality of bands obtained by dividing a frequency band; and a communication circuit that either transmits or receives a signal using the allocation resources.

There is provided an ultrasound diagnostic apparatus including an ultrasound probe and an apparatus main body wirelessly connected to the ultrasound probe, the ultrasound probe including a B-mode processing unit and an M-mode processing unit configured to generate a B-mode image and an M-mode image, a wireless communication circuit configured to wirelessly transmit the B-mode image and the M-mode image to the apparatus main body, and a probe control unit configured to control the wireless communication circuit such that, each time a generation of a certain number of scanning lines in the B-mode image, which is less than the number of scanning lines in a single frame of the B-mode image, is completed, wireless transmission of the certain number of scanning lines in the B-mode image and wireless transmission of the M-mode image are alternately performed.

An electronic device may include: a magnetic sensor configured to identify the intensity of a magnetic field; a wireless communication circuit; a processor; and memory electrically connected to the magnetic sensor, the wireless communication circuit, and the processor, and storing instructions. The processor may be configured so that the electronic device: uses the magnetic sensor to identify a plurality of intensities of the magnetic field during a first period; identifies, on the basis of the plurality of intensities, whether a reference intensity has been updated; identifies a first state of the electronic device when the reference intensity has been updated, the first state being identified on the basis of a comparison result between the latest intensity among the plurality of intensities and the updated reference intensity; and performs a function according to the identified first state. Various other embodiments identified through the specification are possible.

An electronic device is provided. The electronic device includes a housing including a first portion formed of a conductive material, a printed circuit board disposed inside the housing and including a ground, a wireless communication circuit disposed to the printed circuit board and configured to supply power to the first portion of the housing through a feeding path, and a switch circuit. The switch circuit may include a first port connected to a first point of the feeding path, a second port connected to a second point of the first portion, and a third port connected to the ground of the printed circuit board.

A communications circuit includes transmitter circuitry for driving a differential signal on two die terminal. The transmitter circuitry includes two drive transistors who conductivity is controlled to provide a path from a common node to each of the die terminals. A string of one or more diodes is coupled to the common node to provide a path for discharging ESD current from the common node from an ESD event affecting either die terminal.

An electronic device is provided. The electronic device includes a housing including a first surface, a second surface and a side surface, surrounding a space between the first surface and the second surface, and an antenna module disposed inside the housing, wherein the antenna module includes a wireless communication circuit, a first substrate including a first surface oriented in a first direction and a second surface oriented in a second direction opposite to the first direction, wherein, on the first substrate, first antenna elements and first portions of second antenna elements are disposed, a second substrate disposed at a first position on the second surface of the first substrate, wherein second portions of the second antenna elements are disposed on the second substrate, and a shield member disposed adjacent to the second substrate at a second position on the second surface of the first substrate, and wherein a portion of the shielding member is configured to serve as a ground for the second portions of the second antenna elements.

The invention discloses a wireless electric energy and data synchronous transmission system which comprises a direct-current carrier separation circuit, an electric energy transmitting circuit, an electric energy receiving circuit, a communication circuit and a direct-current carrier synthesis circuit. The communication circuit comprises a first data transceiving circuit, a first transceiving coil, a second transceiving coil and a second data transceiving circuit; the direct-current carrier separation circuit is respectively connected with the electric energy transmitting circuit and the first data transceiving circuit, and is used for performing electric energy and communication signal separation on the received direct-current carrier signal; and the direct current carrier synthesis circuit is connected with the electric energy receiving circuit and the second data transceiving circuit, and is used for coupling the received electric energy and the communication signal to form a direct current carrier signal. According to the invention, synchronous transmission of wireless electric energy and data can be realized, the stability, safety and expandability of an underground equipment system are improved, the operation cost of the system is reduced, and the operation efficiency is improved.

A data processing device includes a first main communication circuit configured to transmit configuration data and image data via a first communication line; a first auxiliary communication circuit configured to send and receive a lock signal via a second communication line; and a register configured to store configuration data based on vendor identification information. The first main communication circuit is configured to transmit a first request packet requesting vendor identification information, select configuration data based on the received vendor identification information, and transmit the selected configuration data via the first communication line.

According to various embodiments, an electronic device includes a communication circuit for supporting a Bluetooth™ communication, and at least one processor functionally connected to the communication circuit. The at least one processor is configured to establish, via the communication circuit, a Bluetooth™ low energy (BLE) communication link with an external electronic device, to generate a first data packet from first audio data using a first coding scheme, and generate a second data packet from first audio data using a second coding scheme, and through the BLE communication link, to transmit the first data packet to the external electronic device in a first time interval of a predetermined time interval, and transmit the second data packet to the external electronic device in a second time interval of the predetermined time interval.

A display driving device includes a low-speed communication circuit configured to receive configuration data at a first data rate in a first mode; a high-speed communication circuit configured to train a communication clock signal for communication at a second data rate in a second mode, to receive image data and first control data using the communication clock signal in a third mode, and to receive second control data using the communication clock signal in a fourth mode; a control circuit configured to switch the first mode to the second mode upon completion of the first mode, to switch the second mode to the third mode upon completion of the second mode, to switch the third mode to the second mode when an abnormal state is detected in the third mode, and to switch the fourth mode to the first mode when an abnormal state is detected in the fourth mode; and a circuit configured to control pixels of a display panel to be driven according to the image data, thereby easily managing operation modes of a data driving device and a data processing device and minimizing a recovery time when an error occurs.

In an electronic device and a method for operating the electronic device according to various embodiments, the electronic device comprises: a communication circuit configured to transmit and / or receive data through at least one link created between an external electronic device and the electronic device; and at least one processor, comprising processing circuitry, operatively connected to the communication circuit, wherein at least one processor, individually and / or collectively, may be configured to: confirm the delay time of the data transmitted or received through the at least one link; determine whether to activate a new link based on a comparison result between the confirmed delay time and the delay time required to perform a service related to the data; based on the determination to perform the activation of the new link, determine a data rate required for the new link based on the confirmed delay time, the required delay time, and a data rate of the at least one link; control the electronic device to transmit a link setup request message including information indicating the determined data rate to the external electronic device; and activate the new link based on reception of a response message transmitted by the external electronic device.

A battery system control apparatus according to an embodiment disclosed herein includes: a communication circuit configured to allow one or more battery management systems (BMSs) to communicate with a network switch connected to a network; and a processor configured to transmit, through the communication circuit, a check signal to internal internet protocol (IP) addresses that can be allocated at the network switch, receive a response signal to the check signal from at least one internal IP address among the internal IP addresses that can be allocated, and transmit the response signal to the network switch via the communication circuit. And generating a media access control (MAC) address-identification information table by assigning a media access control (MAC) address of the BMS included in the response signal to the identification information.

An electronic device, in a state of outputting media content through a speaker and a display, may acquire haptic information for outputting haptic feedback synchronized with the media content. The electronic device may identify capability information for the haptic feedback supported by an external electronic device connected through a communication circuit. The electronic device may transmit, to the external electronic device through the communication circuit, the haptic information which has been adjusted according to the capability information indicating whether the external electronic device includes at least one among a heating element or a vibration actuator.

A communication circuit includes a termination circuit with multiple termination blocks where the termination circuit is coupled to a die terminal for conveying a signal. Each termination block includes a resistive circuit and a switch for selectively implementing the resistance of the resistive circuit in the termination resistance of the communication circuit. Each block includes a string of one or more diodes coupled to the resistive circuit and to the selection switch. The string of one or more diodes is nonconductive during normal operation and is conductive during an ESD event affecting the die terminal to discharge the ESD current to a supply voltage terminal when the selection switch is nonconductive.

The utility model relates to an MCU simulation debugger with high-voltage isolation protection. The MCU simulation debugger comprises a USB power supply communication circuit module, a first DC step-down circuit, a DC-DC power isolation module, a second DC step-down circuit, a main control chip minimum system, a burning code external storage FLASH control circuit, an off-line burning BURN key detection circuit, a JTAG simulation / IIC burning interface isolation module and a three-section dial switch. A dial switch state detection module; and a machine burning control interface. The JTAG simulation / IIC burning interface isolation module realizes 1500Vrms electrical isolation of a debugging board card and simulator equipment, online simulation debugging of resistance product firmware can be realized, and a software developer does not need to care about the electrical isolation condition of the debugging board card and only needs to concentrate on debugging codes; multi-interface and multi-level high-speed simulation and burning are supported, level switching of a debugging board card is rapidly achieved through a dial-up gear, and the level compatibility of the simulator is improved.

The embodiment of the invention provides an air conditioning system, and relates to the technical field of air conditioners. According to the air conditioning system, indoor and outdoor communication is independently carried out through the indoor and outdoor master control circuit and the communication circuit without mutual influence. The air conditioning system comprises an indoor unit and an outdoor unit, the indoor unit comprises an indoor unit main control circuit and an indoor unit communication circuit, and the control end of the indoor unit communication circuit is electrically connected with the signal sending end of the indoor unit main control circuit; the outdoor unit comprises an outdoor unit main control circuit and an outdoor unit communication circuit. The control end of the outdoor unit communication circuit is electrically connected with the signal sending end of the outdoor unit main control circuit. The indoor unit communication circuit and the outdoor unit communication circuit comprise a first loop and a second loop; the signal sending end of the indoor unit master control circuit sends a first control signal to conduct the first loop, and the outdoor unit master control circuit receives the first signal; and the signal transmitting end of the outdoor unit master control circuit transmits a second control signal to conduct the second loop, and the indoor unit master control circuit receives the second signal.

An electronic device may include communication circuitry, at least one processor, including processing circuitry, functionally connected to the communication circuit, and memory storing instructions. The instructions cause the electronic device to: establish a control communication link with an external electronic device; establish, with the external electronic device, a first audio communication link using first parameters of a first service type by using the control communication link; transmit first audio data to the external electronic device through the first audio communication link by using the first parameters; determine second parameters of a second service type and a start time point to apply the second parameters, through the control communication link while the first audio communication link is maintained; and transmit second audio data to the external electronic device through a second audio communication link by using the second parameters after the start time point.

A communication circuit includes a termination circuit with multiple termination blocks where the termination circuit is coupled to a die terminal for conveying a signal. Each termination block includes a resistive circuit and a switch for selectively implementing the resistance of the resistive circuit in the termination resistance of the communication circuit. Each block includes a string of one or more diodes coupled to the resistive circuit and to the selection switch. The string of one or more diodes is nonconductive during normal operation and is conductive during an ESD event affecting the die terminal to discharge the ESD current to a supply voltage terminal when the selection switch is nonconductive.

Disclosed is a server device including: a communication circuit configured to communicate with a first electronic device and a second electronic device configured to be connected to the first electronic device via a network and to provide a voice guidance function; and a processor configured to perform control to: control the communication circuit to receive state change information of the first electronic device; and controlling the communication circuit to transmit the received state change information and a command for causing the second electronic device to provide a voice guidance function according to a user operation of the first electronic device to the second electronic device, the second electronic device being connected to the first electronic device via a network.

A navigation system includes: a control circuit configured to: a control circuit configured to: capture a sensor data stream provided by optical sensors, extract lane lines from the sensor data stream, optimize an extrinsic parameter and an intrinsic parameter based on the extract of the lane lines, and compile optimized parameters including the extrinsic parameter and the intrinsic parameter; and a communication circuit, coupled to the control circuit, configured to receive an optical sensor alert for displaying on a device.

An apparatus may control the power delivered from an AC power source to an electrical load, and may comprise a controllably conductive device. The apparatus may also comprise a controller that may be operatively coupled to a control input of the controllably conductive device. The apparatus may also include a first wireless communication circuit operable to communicate via a first protocol and to join a first wireless communication network operable to communicate via the first protocol. The first wireless communication circuit may be in communication with the controller. The controller may be operative to determine a first condition for communicating via the first protocol. The controller may also be operable to control the first wireless communication circuit to join the first wireless communication network upon the first condition being satisfied.

The invention relates to a master-slave communication circuit and method for constructing a ring network based on an RS485 bus, and belongs to the technical field of communication, and the master-slave communication circuit forms the ring network by a host and a plurality of slaves. The host is provided with an RS485 port 1 and an RS485 port 2, the slaves are sequentially connected end to end to form a ring, the head end is connected with the host port 1, and the tail end is connected with the port 2. And the slave circuit comprises two RS485 driving chips, two groups of AB ends are respectively connected in series with the bus, and T / R ends are respectively connected with IO1 / IO2 of the MCU. The RXD1 / RXD2 of the MCU is connected with the RO ends of the two chips, and the TXD1 / TXD2 of the MCU is connected with the DI ends of the two chips. The circuit comprises four diodes, wherein the cathode of D1 is connected with a connection point of RXD1 and RO, and the anode of D1 is connected with a connection point of TXD2 and DI; the cathode of D2 is connected with the RXD2 and RO connection point, and the anode of D2 is connected with the TXD1 and DI connection point; the cathode of D3 is connected with TXD1, and the anode is connected with the connection point of TXD1 and DI; the cathode of D4 is connected with the TXD2, and the anode is connected with the connection point of the TXD2 and the And one ends of the two resistors R1 and R2 are connected with VCC, and the other ends are respectively connected with the two DI ends. The method has the advantages that when the bus breaks down, normal operation of the system is not affected, and the communication distance of the bus is prolonged.

An air conditioner includes an indoor unit and an outdoor unit. The outdoor unit comprises an outdoor unit main control circuit, an outdoor unit communication circuit, a power supply control circuit and an outdoor power supply. The power supply control circuit comprises a first loop, a second loop and a trigger circuit. The first loop is a loop in which a connected power supply line supplies power to the outdoor power supply under the control of a power supply control signal. And the second loop is a loop in which the power supply circuit communicated under the control of a closed control signal supplies power to the outdoor power supply. And the trigger circuit is configured to trigger the first loop to be conducted according to the power supply control signal.