1905 results about "Communication circuits" patented technology

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.

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.

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 electronic device may include a communication circuit, a memory, and at least one processor. The memory may store instructions that cause the electronic device to execute an application, determine a property of the application, receive a plurality of data packets for the application from an external device through the communication circuit, determine whether at least one of data throughput information on the external device, state information about a channel transmitting the plurality of data packets, or signal round trip time information satisfies a specified condition, apply artificial intelligence learning-based algorithms to merge and process the plurality of data packets to the plurality of data packets, based on the specified condition being satisfied, and refrain from applying the artificial intelligence learning-based algorithms to the plurality of data packets, based on the specified condition not being satisfied.

The invention relates to the technical field of communication, and particularly discloses a front-end communication circuit and a communication method, and the front-end communication circuit comprises a communication chip, a first external change-over switch and a second external change-over switch. The communication chip is provided with a first transceiver interface, a second transceiver interface and a third transceiver interface. The first external change-over switch is configured to selectively route a middle-high frequency band signal to the first transceiving interface or allow the signal to be input through the second transceiving interface or the third transceiving interface; meanwhile, the second external change-over switch is used for switching the MIMO radio frequency signal to the second transceiver interface or the third transceiver interface. All the selected signals are finally input into the communication chip through corresponding interfaces to be processed. According to the scheme, flexible frequency band combination and carrier aggregation configuration can be supported so as to meet the differentiation requirements of global 5G frequency bands. In addition, through dynamic configuration of an external switch and an interface, a single hardware design can be compatible with module schemes of multiple domestic semiconductor manufacturers, and repeated development investment is avoided.

The invention belongs to the field of power distribution network automation, and discloses a controllable drop-type intelligent fuse and a control method thereof. The controllable drop-type intelligent fuse comprises a measurement and control module which is arranged at the lower part of a fusion tube and is used for measuring the working current of the fuse, the high voltage of a line, the temperature of a fuse wire, the poor contact state of the fusion tube and the drop state of the fusion tube through a sensor and a corresponding measurement circuit, and communicating with a background server through a wireless communication function; the measurement and control module is connected with a configured micro motor and a measurement and control module torque output rotating shaft; the lower contact is provided with a novel tensioning structure which is used for enabling the fuse to be controlled to fall off. On the basis of keeping the function of an original traditional drop-out fuse as a short-circuit protection switch, a measurement control and wireless communication circuit is added; working current, fuse wire temperature and drop state can be measured, drop of the fuse can be controlled automatically or wirelessly and remotely when primary current is larger than a set value, and therefore load overcurrent protection is achieved.

An electronic device according to various embodiments may comprise: a housing; an antenna structure comprising a substrate, which comprises a first substrate surface facing a first direction and a second substrate surface facing a second direction opposite from the first substrate surface, and at least one antenna element disposed on the substrate so as to form a beam pattern in the first direction; a first support part disposed so as to at least partially correspond to the second substrate surface; a conductive bracket comprising at least one conductive extension part disposed higher than the second substrate surface with respect to the first support part; and a wireless communication circuit configured to transmit and / or receive a wireless signal in a designated frequency band by means of the at least one antenna element.

The invention discloses a dual-optical-path keyboard with a silica gel elastic piece capable of shielding light. The dual-optical-path keyboard comprises the silica gel elastic piece and an FPC, and a plurality of chips are arranged on the FPC. And the chip is one of a full color control chip, a full load color control chip, a confluence color control chip, a load color control chip and a fantasy color control chip. The light-sensitive element is located under the silica gel elastic piece, the silica gel elastic piece is made of a light-transmitting color material and a light-shading color material, the GRB in the chip is an emission light source, one path of the GRB directly provides illumination for a key cap character, the other path of the GRB directly penetrates through the silica gel elastic piece to provide the emission light source for the light-sensitive element under the silica gel elastic piece, and one light source has two purposes. The invention provides the optical switch keyboard with serial-parallel hot standby, the communication circuit is simple, the reliability is high, a single single-sided FPC (Flexible Printed Circuit) can realize full-key no-impact and GRB indication, a keyboard MCU (Microprogrammed Control Unit) can communicate with the keyboard through a maximum 5PIN electrical network, and the optical switch keyboard can be widely applied to notebook computer production.

Disclosed is an integrated circuit card comprising an antenna and a communication circuit configured for radio-based wireless exchange of data with an external device via the antenna. The integrated circuit card further comprises electromechanical switches connected to the communication circuit and configured to set a plurality of more than two switching states and a secure element connected to the communication circuit, the secure element configured to exchange data with the external device via the antenna and the communication circuit.

One example discloses a communications circuit, including: a buffer having a buffer input and a buffer output; wherein the buffer includes a first path and a second path; wherein the first path includes, a first resistor coupled to the buffer input; a second resistor coupled to the buffer output; a current source having a first end and a second end; wherein the first resistor and the second resistor are coupled to a mid-point; wherein the first end of the current source is coupled to the mid-point; and wherein the second path includes a capacitor having a first end coupled to the buffer input and a second end coupled to the buffer output.

The application discloses and realizes a dual-mode multi-load loop arc fault detection system, and aims at the problems of insufficient precision of existing real-time arc fault detection devices and high-load continuous operation of equipment, etc., divides the fault arc into two kinds of starting arc and process arc, and uses different modes of detection methods according to different conditions of starting fault and process fault, adopts a characteristic value partition detection method in the process mode, and makes the method tend to be simple under the condition of ensuring accuracy and real-time performance. The method takes an stm32H7 as a core microprocessor, is matched with a conditioning circuit, a power supply circuit, a data acquisition circuit and a wireless communication circuit to form a dual-mode fault diagnosis system. The application has the characteristics of high monitoring precision and high speed, and has strong popularization value and use value.

An electronic device is provided. The electronic device includes a first housing comprising a first space and comprising a conductive portion, a second housing comprising a second space and slidably coupled to the first housing, a flexible display disposed to be supported by the first housing and the second housing and having a display area expanding when being transitioned from a slide-in state to a slide-out state, and a wireless communication circuit disposed in the first space and configured to transmit or receive a wireless signal in a designated frequency band via the conductive portion, wherein the electronic device comprises a conductive stub disposed in the second housing and disposed to be connectable through capacitive coupling to at least a part of the conductive portion in the slide-in state.

An electronic device is provided. The electronic devices includes at least one processor, a first housing including a first frame including a first conductive portion and a second conductive portion, a second housing including a second frame including a third conductive portion and a fourth conductive portion, a wireless communication circuit configured to transmit or receive signals in a designated frequency band through at least a part of the first conductive portion, a printed circuit board which is positioned in the second housing and includes a ground portion, and a first switch circuit configured to connect the ground portion and the second frame, wherein the instructions, when executed by the at least one processor individually or collectively, cause the electronic device to control the first switch circuit based on a state having a higher upward directivity among a first state in which the second frame is electrically separated from the ground portion and a second state in which the second frame is electrically connected to the ground portion.

An attached cable circuitry assembly of an electric vehicle supply equipment (EVSE) that includes a charging protocol controller. The charging protocol controller includes a first connector to terminate one or more signal wires of a charging cable. The charging protocol controller further includes a second connector to connect via a cable to a third connector of the EVSE, the second connector to terminate supply voltage and communication from the EVSE received over the cable that connects the second connector to the third connector. The charging protocol controller further includes one or more charging communication circuits. The charging protocol controller further includes a processor to perform: signal handshake and control, and communication between the EVSE and the charging protocol controller.

A photovoltaic inverter includes an inverter circuit, a communication circuit, an arc detection circuit, and a transformer. The transformer includes one magnetic core, at least one primary-side coil, and at least two secondary-side coils. The primary-side coil and the secondary-side coils of the transformer are wound around the magnetic core. One end of a first primary-side coil of the transformer is configured to connect to a power supply, the other end of the first primary-side coil is configured to connect to an input end of the inverter circuit, a first secondary-side coil of the transformer is configured to connect to the communication circuit, and a second secondary-side coil of the transformer is configured to connect to the arc detection circuit, to implement both power line communication and arc detection on the basis that the transformer includes the magnetic core.

A conducted electrical weapon (“CEW”) may comprise a handle and a deployment unit. A CEW may be adapted for use in a simulation system comprising a simulator and a display. A simulation deployment unit may be used with a handle to adapt the CEW for use in the simulation system. The simulation deployment unit may be configured to detect motion data corresponding with at least one of a change in position, a change in orientation, and an initial orientation of the CEW. The simulation deployment unit may be configured to pass the motion data to the handle so the motion data may be transmitted to a simulator via a communication circuit of the handle. The simulation deployment unit may require power from the handle to operate, and the handle may require motion data provided by the simulation deployment unit so that the CEW may be used in the simulation system.

An electronic device is provided. The electronic device includes a memory for storing instructions, a communication circuit, and at least one processor. The instructions cause the electronic device to allocate a first time interval for transmitting first audio data within an interval of a broadcast stream-based audio service, allocate a third time interval for an additional audio service related to the audio service within a second time interval remaining after excluding the first time interval within the interval, transmit first information related to the first time interval and second information related to the third time interval, transmit the first audio data in the first time interval, determine whether a first priority of the additional audio service is higher than a second priority of a communication task scheduled in the second time interval, and transmit second audio data related to the first audio data in the third time interval when the first priority of the additional audio service is higher than the second priority.

The present disclosure relates to the field of automobile air conditioners, and particularly relates to an air conditioner all-in-one controller, a control method and an electric vehicle air conditioning system. The air conditioner all-in-one controller comprises: a high-voltage side control unit, comprising a high-voltage side controller for controlling the operation of a water heater and a compressor to achieve temperature regulation; a low-voltage side control unit, comprising a low-voltage side controller for receiving an external input instruction for controlling the water heater and the compressor, the low-voltage side controller being further configured to transmit the external input instruction to the high-voltage side controller through a communication circuit via a digital isolation unit; a digital isolation unit arranged between the high-voltage side control unit and the low-voltage side control unit; and a circuit board, on which the high-voltage side control unit, the low-voltage side control unit and the digital isolation unit are arranged. The present disclosure can solve the problems of the electric vehicle air conditioning thermal management system due to the relative independence of each subcomponent.

The invention relates to a visual on-load voltage regulation tap switch control system, device and medium, which comprises a single chip microcomputer control circuit, the single chip microcomputer control circuit is connected with a signal processing circuit and a power supply circuit, and the signal processing circuit is connected with a voltage zero cross detection circuit, a voltage sensor and a data acquisition unit. The voltage zero-cross detection circuit, the voltage sensor, the data acquisition unit and the power supply circuit are all connected with the isolation reduction transformer, and the isolation reduction transformer is connected with the low-voltage side voltage of the distribution transformer; the single-chip microcomputer control circuit is further connected with a switch position sensor, a communication circuit, a switch drive circuit and a thyristor trigger circuit. The communication circuit is in communication connection with a remote computer through an RS485. The method has the advantages of realizing automatic voltage regulation conversion, stabilizing voltage, accurately setting visual parameters and realizing non-impact voltage regulation.

An apparatus and / or a method for providing dual connectivity (DC) in an electronic device which may include multiple SIMs. An electronic device may include: a first SIM comprising first subscriber identity information; a second SIM comprising second subscriber identify information; a wireless communication circuit; and at least one processor operatively connected to the first SIM, the second SIM, and the communication circuit, wherein the at least one processor: connects to a first MCG network or a first SCG network, based on the first subscriber identity information when data communication using the first subscriber identity information is configured; identifies a state of communication with the first MCG network; restricts addition of a second SCG network, based on the second subscriber identity information when the state of communication with the first MCG network is a connected state; and allows addition of the second SCG network, based on the second subscriber identity information when the state of communication with the first MCG network is in an idle state. Other embodiments may be also possible.

The invention relates to an anomaly detection technology, and discloses an anomaly detection method and system for a flexible circuit board patch, and the method comprises the steps: obtaining a patch image in a preset flexible circuit board, carrying out the illumination normalization processing and background suppression processing of the patch image, and obtaining a background suppression patch image, and carrying out abnormal bending identification on the background suppression patch image based on multi-scale gradient fusion and local structure consistency analysis, judging whether the patch in the flexible circuit board has abnormal bending according to a bending identification result, if yes, judging that an abnormal detection result is abnormal bending, and if not, judging that the patch in the flexible circuit board has abnormal bending. And otherwise, calculating an offset coefficient of the normalized patch image based on double-flow alignment and differential significance enhancement, judging whether the offset coefficient is greater than a preset coefficient threshold, if so, judging that the abnormal detection result is abnormal offset, and if not, judging that the abnormal detection result is abnormal. According to the invention, the communication circuit board patch abnormity detection precision can be improved.

Amplitude and phase error correction in a transceiver circuit is provided. In embodiments disclosed herein, a transceiver circuit is configured to equalize an input vector to thereby correct amplitude-amplitude (AM-AM) and amplitude-phase (AM-PM) errors across a modulation bandwidth of the wireless communication circuit. Unlike conventional methods where complicated memory digital predistortion (mDPD) coefficients must be defined and calibrated for each modulation frequency within the modulation bandwidth, the transceiver circuit is configured herein to eliminate modulation frequency dependency of the AM-AM and AM-PM errors. As a result, it is possible to correct the AM-AM and AM-PM errors across the modulation bandwidth with reduced complexity to thereby improve efficiency and linearity of the wireless communication circuit.

The invention discloses a dual-optical-path optical switch keyboard comprising a light-transmitting shielding silica gel elastic sheet and taking a light guide plate as a light source. The dual-optical-path optical switch keyboard comprises the light-transmitting shielding silica gel elastic sheet, the light guide plate and a circuit board, and the chip is one of a control device chip, a control device chip, a control device chip, a control device standby device chip and a control device standby device chip. The light-sensitive element is located under the light-transmitting-shielding silica gel elastic piece, the light-transmitting-shielding silica gel elastic piece is made of light-transmitting color materials and light-shielding color materials, the LED light source of the light guide plate can provide an emitting light source in a positioning mode, one path directly provides illumination for characters of a key cap, and the other path directly provides illumination for the characters of the key cap. One path directly penetrates through the light-transmitting shielding silica gel elastic sheet to provide an emission light source for the light-sensitive element under the light-transmitting shielding silica gel elastic sheet, so that one light source has two purposes. The invention provides the optical switch keyboard with serial-parallel hot standby, the communication circuit is simple, the reliability is high, full-key non-punching can be realized, the keyboard MCU can communicate with the keyboard through a maximum 6-PIN electrical network, and the optical switch keyboard is particularly suitable for notebook computer production.

The utility model provides a toxic gas detector control circuit capable of resisting electromagnetic interference, which comprises a power supply voltage regulation circuit, a temperature signal acquisition circuit, a sensor voltage regulation circuit, a sensor acquisition control circuit and a gas detector main control circuit which are in power supply connection. The gas detector main control circuit is in control connection with the 485 communication circuit, the acousto-optic prompt circuit, the LED state display circuit and the digital display screen, the gas detector main control circuit is in communication connection with the sensor acquisition control circuit, and the sensor acquisition control circuit is in control connection with the gas signal acquisition circuit and the temperature signal acquisition circuit. A TVS (Transient Voltage Suppressor) tube, a common mode inductor and a diode are arranged in the power supply voltage adjusting circuit; and a TVS tube and a diode are also arranged in the gas detector main control circuit. The poisonous gas detector has the beneficial effects that the anti-electromagnetic interference capability, the reliability and the stability of the poisonous gas detector when the poisonous gas detector is independently used are greatly improved.

The invention discloses an air conditioning system, an awakening method, a starting method, a controller and a main control board. The air conditioning system comprises a direct current power supply, an S line connected with a current loop communication circuit on the indoor side and a reference potential point; the first switch is connected with an N line of the current loop communication circuit and a reference potential point on the indoor side; the second switch is arranged between the L line of the current loop communication circuit and the alternating current input end of the first switching power supply on the outdoor side; and the auxiliary awakening branch circuit is used for forming an energy charging loop for charging the capacitor assembly of the first switching power supply between the direct current power supply and the reference potential point through the S line and the auxiliary awakening branch circuit under the condition that the first switch is switched on and the second switch is switched off, so that the outdoor main control board is started by utilizing the voltage at the two ends of the capacitor assembly of the first switching power supply. In the embodiment of the invention, the direct-current power supply is adopted in the energy charging loop to provide the direct-current voltage through the S line, so that the space of layout elements on the indoor main control board can be saved, and the cost of the indoor main control board can be lower.

Disclosed is a wearable electronic device comprising an antenna. A wearable electronic device according to an embodiment may comprise: a housing comprising a front surface facing in a first direction, a rear surface facing in a second direction opposite to the first direction, and a lateral surface surrounding an inner space between the front and rear surfaces; a printed circuit board which is disposed in the inner space and comprises a ground; an antenna structure for transmitting / receiving radio signals; and a processor. The antenna structure may comprise: a wireless communication circuit disposed on the printed circuit board; a lateral frame made of a conductive material, the lateral frame forming at least a part of the lateral surface while surrounding the periphery of the printed circuit board, and the lateral frame comprising a pair of rung portions to which a strap is connected, a first connecting portion for connecting the pair of rung portions, and a second connecting portion for connecting the pair of rung portions while being opposite the first connecting portion; a feeding portion for applying an electric signal to the lateral frame; and a switching circuit comprising one or more ground portions for selectively connecting the printed circuit board and the lateral frame. The processor may operate the switching circuit such that an electric signal applied to the lateral frame in a first mode moves via the rung portions, and may operate the switching circuit such that an electric signal applied to the lateral frame in a second mode bypasses the rung portions.

An electronic device may include a processor, a wireless communication circuit configured to provide a signal of a specified frequency band, a switching circuit, a first housing including a first conductive portion, and a second housing which includes a second conductive portion and is rotatable relative to the first housing, and may be configured to control the switching circuit such that the signal is transmitted through the second conductive portion, in an unfolded state where the distance between the first conductive portion and the second conductive portion is a predetermined distance or more. The electronic device may be configured to control, in a folded state where the distance between the first conductive portion and the second conductive portion is less than the predetermined distance, the switching circuit to transmit the signal through each of the second conductive portion and a third conductive portion, and in the folded state, the second conductive portion may be arranged to face at least a portion of the first conductive portion. In the folded state, the third conductive portion may be disposed at a position spaced apart from the second conductive portion by a specified distance or more.

According to various embodiments, there may be provided an electronic device comprising: a communication circuit and at least one processor, wherein the at least one processor is configured to: establish a communication connection with a head-mounted display device and a wearable device through the communication circuit, receive information associated with at least one specific body part from the head-mounted display device through the communication circuit, and upon receiving a first signal from the wearable device through the communication circuit, transmit, to the head-mounted display device, an image including at least one graphic object associated with the first signal, generated based on the information associated with the at least one specific body part.

An electronic device and a method performed by the same are provided. The electronic device includes a display, a plurality of communication circuitry, memory, including one or more storage media, storing instructions, and at least one processor, including processing circuitry, communicatively coupled to the display, the plurality of communication circuitry, and the memory, wherein the instructions, when executed by the at least one processor individually or collectively, cause the electronic device to, in response to an input for an outgoing call related to an emergency service, while identifying whether a communication link is established based on a wireless local area network (WLAN) by using a first communication circuit among multiple communication circuits, display a first user interface related to the outgoing call on a display, in a first state where the communication link is established based on the WLAN, request a first outgoing connection for the outgoing call via the first user interface during a first designated time by using a second communication circuit related to a cellular network, and, after the first designated time, based on identifying failure of the first outgoing connection, request a second outgoing connection for the outgoing call during a second designated time by using the first communication circuit.

A control device for controlling power delivered to an electrical load may comprise a faceplate assembly, a control module assembly, and an antenna structure defining an antenna. The faceplate assembly may include a faceplate that has a front surface and an opposed rear surface, and defines an edge at an outer periphery of the front surface. The faceplate assembly may have a user interface provided at the front surface of the faceplate. The control module assembly may comprise a control module that is responsive to the user interface of the faceplate assembly. The antenna defined by the antenna structure may be electrically coupled to a wireless communication circuit of the control module via a coaxial cable. The antenna structure may be positioned adjacent to the edge of the faceplate, for example, adjacent to a notch in a rim that extends from a rear surface of the faceplate.