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3527 results about "Communication circuits" patented technology

Communications circuits are characterized by specific, standard criteria, such as the frequency bandwidth and information transmission rate. In Russian the concept of a communications circuit is often used in describing multichannel communications systems.

Battery string voltage acquisition system with calibration system and voltage acquisition method

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.
Owner:GUANGZHOU TIANZHOU COMM TECH CO LTD

Electronic device using personal ai model, and operation method thereof

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.
Owner:SAMSUNG ELECTRONICS CO LTD

Electronic device comprising antenna

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.
Owner:SAMSUNG ELECTRONICS CO LTD

Electronic device for providing audio service and method for operating same

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.
Owner:SAMSUNG ELECTRONICS CO LTD

Electronic device comprising antenna

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.
Owner:SAMSUNG ELECTRONICS CO LTD

Antenna and electronic device including the same

According to various embodiments, an electronic device may include: a housing, an antenna structure disposed in the inner space of the housing, wherein the antenna structure includes: a substrate including a first substrate and a second substrate surface oriented in a direction opposite to the first substrate surface, and a first array antenna including a plurality of first chip antennas disposed at a specified interval in a first region of the first substrate surface, and a first wireless communication circuit disposed in the inner space and configured to transmit and / or receive a wireless signal of a first frequency band via the first array antenna.
Owner:SAMSUNG ELECTRONICS CO LTD

Method for did authentication using smart card and smart card device

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.
Owner:BLOCKCHAIN LABS INC

Communication device and communication method

This communication device includes: a control circuit that negotiates with another communication device in order to determine a spatial stream used for coordinated transmission; and a communication circuit for performing coordinated transmission with the other communication device. On the basis of information pertaining to the spatial stream obtained in the negotiation, the control circuit orthogonalizes a reference signal included in the coordinated communication signal.
Owner:PANASONIC INTELLECTUAL PROPERTY CORP OF AMERICA

Electronic device for providing audio service and operation method thereof

According to an embodiment, an electronic device may comprise a communication circuit and at least one processor operatively connected to the communication circuit, wherein the at least one processor may be configured to: configure a communication link with at least one external electronic device via the communication circuit; identify the quality of the communication link; on the basis that the quality of the communication link is lower than a threshold quality, discard at least one of packets to be transmitted for a configured time interval in the communication link; and transmit a packet indicating the at least one packet being discarded to the at least one external electronic device via the communication circuit. Other embodiments may be possible.
Owner:SAMSUNG ELECTRONICS CO LTD

Base station, terminal, and communication method

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.
Owner:PANASONIC INTELLECTUAL PROPERTY CORP OF AMERICA

Design specification simulation system and method suitable for 5G communication circuit board

The invention relates to the technical field of electromagnetic field simulation, in particular to a design specification simulation system and method suitable for a 5G communication circuit board. The method comprises the following steps of obtaining 5G communication circuit board design data, and performing laminated structure data extraction and electrical parameter data extraction according to the 5G communication circuit board design data so as to obtain laminated structure data and electrical parameter data; performing signal propagation path analysis according to the laminated structure data and the electrical parameter data so as to obtain signal propagation path data; acquiring high-frequency characteristic data of the 5G communication circuit board; and carrying out electromagnetic compatibility simulation analysis according to the high-frequency characteristic data and the electrical parameter data of the 5G communication circuit board so as to obtain electromagnetic compatibility simulation data. The interference risk in high-frequency signal transmission is reduced based on the electromagnetic field simulation technology, and the 5G system performance is optimized.
Owner:SHENZHEN SANDEYING ELECTRONICS CO LTD

Network access coordination of load control devices

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.
Owner:LUTRON TECHNOLOGY COMPANY LLC

Single-wire communication circuit, battery pack and electronic equipment

The single-wire communication circuit comprises a microcontroller, the microcontroller comprises a sending pin, the single-wire communication circuit further comprises a first switch unit and a power supply, the first switch unit is electrically connected with the sending pin and the power supply, and the first switch unit is configured to be electrically connected with a negative electrode output terminal of a battery pack; the power supply is configured to supply power to the first switch unit, the power supply is further configured to respond to the microcontroller to send a high level to the first switch unit, and the power supply provides the high level for the first communication wire harness; the first switching unit is configured to electrically connect the first communication harness to the negative output terminal in response to the microcontroller transmitting a low level to the first switching unit.
Owner:XIAMEN AMPACK TECH LTD

Ultrasound diagnostic apparatus and a control method for an ultrasound diagnostic apparatus in which a B-mode image and an M-mode image generated by an ultrasound probe are wirelessly transmitted to an apparatus main body

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.
Owner:FUJIFILM CORP

Portable electronic device which prevents user-sensitive content from being exposed to others through external display device

This portable electronic device may comprise: a wireless communication circuit; a display; a processor connected to the wireless communication circuit and the display; and a memory connected to the processor. The memory may store instructions that, when executed, cause the processor to: connect to a first external electronic device through the wireless communication circuit; by means of data communication with the first external electronic device or a second external electronic device using the wireless communication circuit, determine that there is a viewer watching a display of the first external electronic device in the vicinity of the portable electronic device, other than a user of the portable electronic device; on the basis of determining that there is the viewer in the vicinity of the portable electronic device, blur image data corresponding to unspecified content that is not specified for sharing with the viewer; display the unspecified content on the display of the portable electronic device; and transmit the blurred image data to the first external electronic device through the wireless communication circuit.
Owner:SAMSUNG ELECTRONICS CO LTD

Method for identifying an attached state or a detached state of an accessory device and electronic device supporting the same

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.
Owner:SAMSUNG ELECTRONICS CO LTD

Antenna switching method in electronic device, and device therefor

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.
Owner:SAMSUNG ELECTRONICS CO LTD

Distance assessment with headerless packets

Aspects of the present disclosure are directed to communicating data for authentication and location determination, such as for authenticating a key FOB and locating the key FOB within a defined distance. As may be implemented in accordance with one or more embodiments, a plurality of headerless packets, respectively including scrambled timestamp sequence (STS) packets but not including encoding and / or synchronization headers, are communicated between respective communication circuits. A time of flight (TOF) value indicative of time elapsed between transmission and reception of the plurality of headerless packets is assessed based on the STS packets. A distance between the communication circuits is determined based on the assessed time of flight.
Owner:NXP BV

Differential transmitter circuitry with ESD circuitry

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.
Owner:NXP BV

Antenna module and electronic device comprising antenna module

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.
Owner:SAMSUNG ELECTRONICS CO LTD

Wireless electric energy and data synchronous transmission system

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.
Owner:PETROCHINA CO LTD

Data processing device, data driving device, and display device including the same

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.
Owner:LX SEMICON CO LTD

Electronic device for transmitting and receiving data packet and operating method thereof

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.
Owner:SAMSUNG ELECTRONICS CO LTD

Device and method for driving display panel

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.
Owner:LX SEMICON CO LTD

Electronic device for controlling plurality of links and method for operating electronic device

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.
Owner:SAMSUNG ELECTRONICS CO LTD

Wearable electronic device and method for processing audio signal using the same

A wearable electronic device is provided. The electronic device includes a processor operatively connected to a wireless communication circuit, a first audio mixer, a second audio mixer, a first audio output interface, a second audio output interface, and a speaker, the processor being configured to detect output of a plurality of audio signals including a first audio signal having a first property, transmit the first audio signal having the first property to the first audio mixer, transmit remaining audio signals to the second audio mixer, transmit the first audio signal to the first audio output interface to output the first audio signal through the speaker, synthesize the remaining audio signals into a second audio signal using the second audio mixer, and transmit the synthesized second audio signal to the second audio output interface to output the second audio signal through the external device.
Owner:SAMSUNG ELECTRONICS CO LTD

Hydrogen and pressure on-line monitoring device used in top space of low-oil equipment

The invention discloses a hydrogen and pressure on-line monitoring device used in a top space of oil-deficient equipment, which comprises a hydrogen sensing unit, a pressure sensing unit, an MCU (Microprogrammed Control Unit) circuit, an LORA wireless communication circuit, an antenna and a shielding shell, and is characterized in that the hydrogen sensing unit, the pressure sensing unit, the LORA wireless communication circuit and the antenna are connected with the MCU circuit; the hydrogen sensing unit, the pressure sensing unit, the MCU circuit, the LORA wireless communication circuit and the antenna are arranged in the shielding shell; the device is arranged at a top exhaust hole of the oil-deficient equipment; the on-line monitoring device is mounted at the exhaust hole of the oil storage chamber at the top of the low-oil equipment, the condition of low data generated by dead-zone sampling is avoided through the hydrogen content and the pressure in a high-concentration area at the top of the low-oil equipment, the problem of measurement errors caused by non-uniform gas distribution is solved, the response speed is increased, meanwhile, the hidden danger of oil leakage and oil seepage is avoided, and the working efficiency is improved. And the use safety of the monitoring device for the low-oil equipment is improved.
Owner:ELECTRIC POWER SCI RES INST OF STATE GRID XINJIANG ELECTRIC POWER CO LTD +4