72results about "Repeater circuits" patented technology

Disclosed are an apparatus, system, and method of a visual sensor of a tactical gear to use facial recognition technology to identify a person of interest and to cause a responsive device on the tactical gear to notify a wearer. In one embodiment, a personal protective equipment includes a responsive device integrated in a tactical gear and a visual sensor. The visual sensor of the tactical gear identifies a target person using an identity artificial intelligence model. The responsive device notifies a wearer of the tactical gear when the visual sensor identifies the target person. Further, the responsive device notifies an additional person when the visual sensor identifies a threat to a protectee of the wearer and the additional person. The responsive device may vibrate when the visual sensor of the tactical gear detects an ambient threat to the protectee of the wearer.

The application provides a 3D radar measurement system capable of extending communication, comprising at least one communication branch; each communication branch comprises a first data transmission medium and at least one radar body; the radar body is used for generating measurement data; the measurement data is transmitted to a data communication relay module through the first data transmission medium and is transmitted to a central control end by the data communication relay module; for each radar body of any communication branch, when the distance of the first data transmission medium laid between the radar body and the data communication relay module or the central control end exceeds or approaches the limit distance of normal communication transmission of the first data transmission medium, at least one communication expansion module is laid between the corresponding radar body and the data communication relay module or the central control end. The application can optimize the wiring configuration of the measurement system, reduce the overall wiring cost of the measurement system, and make the measurement system have communication scalability, which is helpful to realize stable communication of the measurement system.

Systems, apparatuses, and methods for saving power on a bus interface are described. A system includes a host, a device, and a repeater interposed between the host and the device. While the host and device are in a low-power state, the repeater monitors a first bus to determine if the device has woken up. When the repeater detects a remote wake-up event initiated by the device, the repeater generates an interrupt which is sent to the host. The host responds to the interrupt by initiating a resume wake-up event procedure that assumes the device is still asleep. In this way, the host is able to stay in the low-power state longer while also using a wake-up procedure that does not require the host to be aware of the existence of the repeater.

An input-information acquisition unit acquires input information indicating pressure acting on an input device and a moving state of the input device, a vibration control unit controls vibration characteristics of a vibration source signal acquired from a vibration source based on the input information, and controls the vibration characteristics using a delayed speed that is obtained by delaying a speed indicating the moving state, the input device includes a vibration generator that vibrates in accordance with a drive signal, and the drive signal includes the vibration signal that has vibration characteristics controlled by the vibration control unit.

Aspects of a re-timer-based isolator provide galvanic isolation between a first side of a system including a high voltage source and a second side of the system that may contact a person. An equalizer arranged with a physical layer on a first substrate is isolated from re-timer components arranged on a second substrate.

A haptic transducer having first and second members that are reciprocally movable relative to one another. The members are magnetic and comprise a compliant member coupled between them. The haptics transducer embodiments are suitable for wearable or handheld devices or apparatuses, such as headphones or footwear as they comprise a low-profile yet provide suitable haptic feedback without significantly altering the compliance of the wearable or handheld device or apparatus.

The utility model relates to the technical field of IO-Link, in particular to an IO-Link slave station circuit supporting cascading, which comprises a master control module, a power supply module, a cascading circuit, an IO-Link communication circuit and a digital quantity interface circuit, wherein the master control module is in data communication with IO-Link master station equipment through the IO-Link communication circuit; according to the cascading IO-Link slave station circuit provided by the utility model, an expansion port of a slave station can be cascaded with a slave station by using an IO-Link communication interface, communication between a first-stage slave station and a second-stage slave station can be carried out at a distance of 20m, and the distance between the second-stage slave station and a master station can reach 40m. And thus, higher flexibility is brought to on-site signal acquisition and control.

The utility model provides a high performance liquid chromatography (HPLC) carrier wave enhanced signal transmitting device, which comprises a device base and an adjusting servo motor arranged below the device base, a rotating shaft is arranged in a power end of the adjusting servo motor, the rotating shaft penetrates through the device base, a top shaft is connected with a U-shaped mounting frame, and an angle adjusting frame is arranged between two plates of the U-shaped mounting frame. The signal intensifier is used for enhancing the HPLC carrier signal, so that the strength and quality of the signal can be effectively improved, the coverage range of the signal is expanded, and the reliability and stability of signal transmission are improved. The device is provided with an adjusting servo motor, an angle power motor and an intensifier rotating motor, and initial adjustment of the overall position, angle adjustment of an angle adjusting frame and rotation of an intensifier rotating disc are achieved respectively. By means of the multi-angle adjusting function, the device can better adapt to different signal emission requirements, the best signal emission angle and direction are found, and the signal transmission effect is further improved.

A device includes a button, a set of force sensors coupled with the button, a haptic engine coupled to with the button, and control circuitry, where the control circuitry is configured to control operation of the device according to a first mode of operation during a first time duration to detect user force applied to the button via signals from the set of force sensors, and control the device according to a second mode of operation during a second time duration for closed loop control of haptic feedback to the button via the haptic engine and the set of force sensors.

An actuator unit includes an actuator configured to cause a vibration by a vibrated member when a force is applied to the vibrated member and a first sensor configured to generate a first detection signal indicating a first relationship of a first physical quantity varying with time. The first physical quantity is related to the vibration of the vibrated member, a variation cycle of the first physical quantity changes based on a magnitude of the force applied to the vibrated member. The actuator unit also includes a processing circuit configured to process the first detection signal, extract a parameter indicative of the variation cycle of the first physical quantity, and estimate the magnitude of the force applied to the vibrated member based on the parameter.

A cellular range extender has a primary antenna configured to communicate with a cellular network transmitter, a secondary antenna configured to repeat a signal received from the primary antenna, and control circuitry to interconnect the primary and secondary antennas. The primary antenna includes a circular reflector having a first diameter, a circular radiator having a second diameter smaller than the first diameter, and four circular directors, wherein a first director has a third diameter smaller than the second diameter and second to fourth directors have a fourth diameter smaller than the third diameter, the second to fourth directors being axially spaced apart. The reflector, radiator, and the directors are all coaxial. The reflector and the directors are electrically connected or connectable to each other and the radiator is electrically isolated from the reflector and the directors. The cellular range extender has a sensitivity of the primary antenna of as low as -155 dBm.

The invention provides a linear network and a relay dynamic adjustment method thereof, the method is applied to a communication front-end processor of the linear network, the linear network further comprises a plurality of acquisition stations connected in sequence, and at least one relay acquisition station is arranged in the plurality of acquisition stations; the communication front-end processor obtains signal quality margins of the relay acquisition stations, and the signal quality margins are matched with peak-to-peak value amplitude margins and signal-to-noise ratio margins of the relay acquisition stations; and performing relay dynamic adjustment according to the signal quality margin of the relay acquisition station and a preset safety threshold. Through obtaining the signal quality margin of the relay acquisition station, the change of the industrial environment is quantified, and then the relay dynamic adjustment is adaptively performed, so that the relay layout is optimized, the communication delay and energy consumption are reduced as much as possible, and the data transmission efficiency is ensured under the condition that the communication signal quality of the acquisition station in the linear network is ensured.

Radio Frequency Identification (RFID) tags having functionalized carbon nanotubes (CNTs) engineered to change in resistance when exposed to a variety of analytes to provide an inexpensive framework for distributed sensing. For example, a printing process can be developed for liquid inks comprising CNTs, and RFID sensors can be fabricated with functionalized CNTs as the active elements. The tags can work independent of distance and can sense changes in resistance of a sensing element. The tags can include an antenna with an inductive loop and two sets of dipole arms having functionalized carbon nanotubes, and a RFID chip that separates the two sets of dipole arms. The dipole arms can capture an analyte on a plurality of sensors and generate a plurality of resonant peaks therefrom. The peaks can be analyzed by comparing the damping therebetween, or by shifting the resonant frequency of the tag to determine presence of the analyte.

A sensory control method includes a step of receiving, a step of converting, and a step of outputting. In the step of receiving, a sensitivity parameter is received. In the step of converting, the received sensitivity parameter is converted into, among a plurality of physical parameters included in physical properties relating to a sensory presentation, a physical parameter correlated with the sensitivity parameter. In the step of outputting, a sensory presentation signal based on the physical parameter obtained as a result of the conversion is output.

The invention discloses an HPLC (High Performance Liquid Chromatography) and Lora dual-mode converged communication repeater and a communication method, relates to the technical field of power line carrier communication, and solves the technical problem that a communication island node is easy to exist in an ammeter data acquisition process, so that the data acquisition success rate and efficiency are influenced. The device comprises an HPLC main control module, a Lora main control module and a communication module, the HPLC master control module is used for performing HPLC communication and judging and switching the master node repeater and the slave node repeaters; the Lora master control module is used for analyzing a Lora protocol to carry out Lora communication, and a Lora data relay link is established between the master node relay and the slave node relay; and the communication module is used for communication connection between the slave node repeater and the island node ammeter. According to the invention, HPLC power line communication and Lora wireless communication are fused, the island node ammeter can be effectively covered, and the meter reading success rate and efficiency are improved.

When operation information based on motion is input, a pseudo haptic sense presentation device generates a presentation signal for presenting visual information in which a state representing at least any color attribute changes stepwise over time on the basis of visual adjustment information. Here, the visual adjustment information is information for controlling at least one of a change delay amount corresponding to a time from the input of the operation information to start of a change in the state, a change duration amount corresponding to a time from the start to end of the change in the state, or a change rate corresponding to a change amount per unit time of the state.

A detector circuit of an eUSB repeater is coupled to a USB bus to detect a wake signal from a device through the USB bus and to send a forced resume signal to the device in response thereto. Repeater logic of the eUSB repeater repeats the received wake signal to the host. The host has a suspend state and an active state. The detector circuit detects the host resume signal from the host in the active state and stops sending the forced resume signal to the device in response thereto.

The application provides a linear network and a relay dynamic adjustment method thereof. The method is applied to a communication front end machine of the linear network. The linear network further comprises a plurality of acquisition stations connected in sequence, and at least one relay acquisition station is arranged in the plurality of acquisition stations. The communication front end machine acquires signal quality margins of each relay acquisition station. The signal quality margin is matched with a peak-to-peak amplitude margin and a signal-to-noise ratio margin of the relay acquisition station. According to the signal quality margin of the relay acquisition station and a preset safety threshold, relay dynamic adjustment is performed. The signal quality margin of the relay acquisition station is acquired to quantify the change of an industrial environment, and then the relay dynamic adjustment is adaptively performed. In the case of guaranteeing the communication signal quality of the acquisition stations in the linear network, the relay layout is optimized, the communication delay and the energy consumption are reduced as much as possible, and the data transmission efficiency is guaranteed.

An in-vehicle relay apparatus configured to reduce an adverse effect from an unauthorized apparatus being connected to a communication line in a vehicle. The in-vehicle relay apparatus is to be connected to a plurality of communication lines mounted in a vehicle, and relays transmission / reception of data between the communication lines. The in-vehicle relay apparatus includes a relay restricting unit restricting data transmitted by a communication apparatus newly connected to one communication line from being relayed to another communication line. A behavior analysis unit analyzes an operation performed by the communication apparatus, based on correspondence information between an input value that is input to the communication apparatus and an operation result of the communication apparatus in response to the input value. A restriction cancelling unit cancels relay restriction performed by the relay restricting unit, in accordance with a result of analysis performed by the behavior analysis unit.

A repeater usable as one of a plurality of repeaters (11-15) forming a communication network (1) together with a monitoring device (30), wherein the plurality of repeaters (11~15) each have a plurality of ports (P0~P7), wherein at least one of the plurality of ports (P0~P7) in each of the plurality of repeaters (11~15) is connected to a port of another repeater, and one of the plurality of repeaters (11~15) performs port mirroring to one of its own plurality of ports (P0~P7), wherein a mirror frame duplicated by the port mirroring is transferred to the monitoring device (30) monitoring the mirror frame, wherein the mirror frame contains a header, a type, and payload, wherein the header contains a sender media access control address, sender MAC address, wherein the repeater comprises: a first transfer unit (10a, S140~S160) configured to to add port information to the mirror frame as transfer route information, the port information being indicative of (i) one port among the plurality of ports (P0~P7) at the repeater acting as a monitoring port at which the port mirroring is performed, and (ii) another port other than the one port among the plurality of ports (P0~P7) at the repeater acting as a first destination port from which the mirror frame is output and transferred to the monitoring device (30), and output the mirror frame to which the transfer route information from the first destination port has been added, when the repeater performs port mirroring and is monitored by the monitoring device (30), and a second transfer unit (10b, S170∼S200) configured to add the port information to the mirror frame as the transfer route information, wherein the port information is indicative of (iii) one port among the plurality of ports (P0~P7) of the repeater at which the mirror frame is received from the other repeater, and (iv) another port, different from the one port, among the plurality of ports (P0~P7) at the repeater acting as a subsequent destination port from which the received mirror frame is output and transferred to the monitoring device (30), and output the received mirror frame to which the transfer route information has been added from the subsequent destination port, if the repeater does not perform port mirroring and is not monitored by the monitoring device (30).

The utility model discloses a combined communication relay unmanned aerial vehicle, which belongs to the technical field of unmanned aerial vehicles, and comprises a relay unmanned aerial vehicle body and a cylindrical optical fiber laying box, the lower end of the relay unmanned aerial vehicle body is detachably connected with an assembly clamping assembly, and the assembly clamping assembly is slidably connected with an adjustable self-adaptive pay-off assembly. The cylindrical optical fiber laying box is connected with the assembling and clamping assembly and the adjustable self-adaptive pay-off assembly; the assembling and clamping assembly comprises an assembling assembly and a clamping assembly, the assembling assembly is detachably connected with the lower end of the relay unmanned aerial vehicle body, the adjustable self-adaptive pay-off assembly is movably connected with the assembling assembly, the clamping assembly is used in cooperation with the cylindrical optical fiber laying box for clamping, and the cylindrical optical fiber laying box is connected with the clamping assembly; and the cylindrical optical fiber laying box is in wired communication connection with a relay communication module of the relay unmanned aerial vehicle body. In this way, the cylindrical optical fiber laying box with different radiuses can be adapted.

Systems, apparatuses, and methods for saving power on a bus interface are described. A system includes a host, a device, and a repeater interposed between the host and the device. While the host and device are in a low-power state, the repeater monitors a first bus to determine if the device has woken up. When the repeater detects a remote wake-up event initiated by the device, the repeater generates an interrupt which is sent to the host. The host responds to the interrupt by initiating a resume wake-up event procedure that assumes the device is still asleep. In this way, the host is able to stay in the low-power state longer while also using a wake-up procedure that does not require the host to be aware of the existence of the repeater.

The invention discloses a BPLC communication network monitoring method, the method is applied to track circuit monitoring, a BPLC communication network comprises at least one level of communication networking, the communication networking is connected through a relay circuit module, and the method comprises the following steps: S100, setting a power line carrier channel of the communication networking to be scanned as a management channel, carrying out carrier scanning on a management channel, wherein the management channel is different from a power line carrier channel of each level of communication networking; s200, judging whether a new power line carrier terminal node is scanned or not, if yes, executing the step S300, and if not, executing the step S400; s300, setting a power line carrier channel of the new power line carrier terminal node as a power line carrier initial channel of the communication network to be scanned, and recovering the power line carrier channel of the communication network to be scanned to the power line carrier initial channel; and S400, recovering the power line carrier channel of the communication network to be scanned to the power line carrier initial channel.

A system and method for exchanging data with a network including an authorized UE that is authorized to exchange the data with the network, and an unauthorized UE that is not authorized to exchange the data with the network. The unauthorized UE operable to receive an authorization credential, and to exchange the data with the network using the received authorization credential.

A Physical Layer (PHY) device (100) includes an ingress transceiver (102), an egress transceiver (104) and a controller (118). The ingress transceiver and the egress transceiver each includes respective analog signal processing (ASP) circuitry (106, 110)) and respective digital signal processing (DSP) circuitry (108, 112). The controller is configured to select an operational mode, for one or both of the ingress transceiver and the egress transceiver, between (i) a digital mode in which both the ASP circuitry and the DSP circuitry are active, and (ii) an analog mode in which the ASP circuitry is active and the DSP circuitry is bypassed.

A vibration distribution control device configured to generate a vibration source being present at a predetermined position by using a plurality of vibrators includes: a calculator configured to calculate a perceived intensity from a vibration waveform of the vibration source; a distributor configured to distribute the perceived intensity of each of the plurality of vibrators in accordance with an azimuth of the vibration source and arrangement positions of the plurality of vibrators; and signal output processor circuitry configured to control and output vibrations of the plurality of vibrators based on information distributed by the distribution distributor.

An operational data management system includes an operational data acquisition unit, a tag assigner, and a database management unit. The operational data acquisition unit acquires, as operational data, time-series control parameters used to transmit force tactile sensation between devices. The tag assigner assigns, as identification information, information related to operation content implemented by the operational data to the operational data acquired by the operational data acquisition unit. The database management unit accumulates a plurality of pieces of operational data assigned identification information by the tag assigner, and manages the operational data so that desired operational data is searchable from the accumulated plurality of pieces of operational data based on the identification information.

The present invention relates to the technical field of communication control for a multi-split air-conditioning systems, and provided thereby are a relay device and a multi-split control system, so as to solve the technical problem of how to achieve reliable communication between an outdoor unit and multiple indoor units under the condition that the length of a communication bus is limited. To achieve said purpose, the multi-split control system according to the present invention expands the communication distance by means of a cascade path formed by a plurality of relay devices. Specifically, the cascade path transmits control signals sent by a master control device / a specific slave control device (i.e. a slave control device in direct communication connection with the master control device or a certain relay device) to corresponding slave control devices one by one, and the corresponding slave control devices transmit the signals to the master control device / specific slave control device according to a response signal fed back by the control signal, wherein the relay devices may respectively communicate with a source node device (i.e., the master control device) and a destination node device (a slave control device) on the basis of the master-slave type communication mode.

The invention discloses a hard relay arbitration circuit of a CAN (Controller Area Network) bus, which relates to the technical field of relay circuits and is characterized in that two transceivers, two OR gates and two switch elements are arranged and are logically connected; in specific work, when the CAN1 is at a dominant level, the U1 does not drive the CAN1, the CAN1 keeps receiving, and the U2 sends the dominant level to the CAN2; when the CAN1 is in a hidden level, the U1 does not drive the CAN1, the U2 does not drive the CAN2, the CAN2 is changed into a hidden level, and logic transmission is completed; when the CAN1 and the CAN2 are dominant levels at the same time, after the circuit performs competition arbitration through logic inversion, the CAN1 and the CAN2 receive the dominant levels at the same time; according to the CAN bus real-time communication device, CAN bus signals are transferred through hardware, logic arbitration is carried out through a logic circuit, signals of a physical layer can be directly processed, time delay cannot be generated when the signals are processed, meanwhile, logic arbitration is applied to automatically arbitrate and relay the CAN bus signals, signal conflicts are avoided, and real-time communication of a CAN bus is achieved.