127 results about "Power over Ethernet" patented technology

The invention relates to the technical field of simultaneous interpretation, and discloses a simultaneous interpretation data processing method and system based on a POE microphone array. The method comprises the following steps: synchronously acquiring multi-language original audio streams and meeting place environment noise spectrum features through a distributed microphone array powered by the Ethernet; after time domain framing is carried out on the audio stream, adaptive filtering is carried out by using a dynamic noise reduction weight coefficient to obtain a primary pure voice segment; dividing the multi-language speech endpoint detection model into independent speech units with language labels through a pre-trained multi-language speech endpoint detection model, and matching a corresponding acoustic model to generate a phoneme-level time alignment sequence; comparing and outputting a term replacement instruction stream in real time in combination with a simultaneous transfer term library, and generating an intermediate semantic representation vector after fusion; and the low-delay encoder converts the voice parameter sequence into a target language voice parameter sequence, and drives the waveform synthesizer to generate final simultaneous transmission audio. The method optimizes the whole process processing, gives consideration to the simultaneous transmission accuracy and real-time performance, and is suitable for a multilingual meeting place scene.

A fiber optic-based communications network includes: a power insertion device, connected to multiple fiber links from a data source, configured to provide power insertion to a hybrid fiber / power cable connected to at least one fiber link of the multiple fiber links; the hybrid fiber / power cable, connecting the power insertion device to a connection interface device, configured to transmit data and power from the power insertion device to the connection interface device; and the connection interface device, configured to provide an interface for connection to an end device via a power over Ethernet (POE)-compatible connection and to provide optical to electrical media conversion for data transmitted from the power insertion device to an end device via the hybrid fiber / power cable and the PoE-compatible connection.

A calibration operation determines a resistance of a sense resistor in a POE system. A voltage measurement is taken with a first current flowing through the sense resistor. A second voltage measurement is taken with a second current flowing through the resistor. A resistance value of the sense resistor is determined based on a voltage difference between the first and second voltage measurements and a current difference between the first current and the second currents.

The invention discloses a PSE equipment control method, PSE equipment, an electronic device and a computer readable storage medium, and relates to the technical field of Ethernet power supply. The method comprises the following steps: switching on a power supply and connecting PD equipment; and carrying out handshake negotiation with the PD equipment by adopting each of the plurality of power supply modes in sequence, and when the handshake negotiation of the current power supply mode fails, switching to the next power supply mode to carry out handshake negotiation with the PD equipment, and when the handshake negotiation of the current power supply mode succeeds, using the current power supply mode to supply power to the PD. According to the method and the device, the PSE can be ensured to supply power to various PD devices, and the flexibility and the universality of the PSE device are improved.

In one embodiment, a method includes receiving a request from a powered device for power to be supplied from power sourcing equipment to the powered device; granting, in response to the request, provisional power to the powered device; receiving, an authentication request from the powered device to authenticate the powered device and reserve power; analyzing user data and device data to determine an authentication status for the powered device; denying power within a power budget for the powered device in response to the analyzing determining that the authentication status for the powered device corresponds to a failed authentication; and using an authenticated-power-profile to determine one or more actions to be performed with respect to the powered device having the failed authentication, in response to a defined number of failed authentications or an expiration of a timeout period defining an amount of time allowed to authenticate the powered device.

The embodiment of the utility model provides a power supply system of an industrial camera, the industrial camera and an image acquisition system. The power supply system of the industrial camera comprises a power over Ethernet (POE) module and a POE switch, the POE module is located outside the shell of the industrial camera; the industrial camera comprises a network transformer and a power supply module; the output end of the POE switch is connected with the input end of the network transformer, the power supply output end of the network transformer is connected with the input end of the POE module, and the output end of the POE module is connected with the input end of the power supply module. The POE module is independently arranged outside the industrial camera, so that the size of the industrial camera is reduced.

An apparatus includes interfaces to direct-current-to-direct-current (DC / DC) power converters, the converters to convert power from Ethernet ports to provide power over Ethernet (POE) through POE front-end (FE) circuits to a powered device (PD) consumer device. The apparatus includes a control circuit to cause redundant power to be selectively provided to the PD consumer device from one of the Ethernet ports. The control circuit may determine power characteristics of the POE FE circuits and, based on a power source being inactive and the power characteristics, determine portions from the DC / DC power converters to provide to the PD consumer device.

A power sourcing device measures a resistance between the “A” pairs of an Ethernet cable to determine a first signature resistance value and uses the first signature resistance value to determine whether the device is able to receive power over the Ethernet cable in a manner compliant with the IEEE Power over Ethernet standard. In response to determining that the device can receive power over the Ethernet cable compliant with the standard, the power sourcing device provides power to the device over the Ethernet cable as specified by the standard. In response to determining that the device is not able to receive power over the Ethernet cable as specified by the standard, the power sourcing device uses the first signature resistance to determine a power request for the device and then provides a power signal over the Ethernet cable to the device that is consistent with the power request.

A mount apparatus and mobile applications use a Bluetooth-to-Serial bridge integrated within the device enclosure's mounting area. The bridge can be powered by the mount, remaining separate from the mobile device's charging / data connection. Via the tablet operating system, the Bluetooth link connects directly to applications on the device, streamlining communication among those applications, the mount, and any serial devices upstream. Using this separate channel for specialized hardware avoids competition for the physical port, preserving it for peripherals like card readers, receipt printers, and keyboards. Wired networking through an ethernet adapter, including receiving power over ethernet (PoE), is desirable where preferred. Additionally, the dedicated parallel communication channel established by the Bluetooth‑to‑Serial bridge, directly accessible by paired applications on the mobile device, can be extended to other specialized hardware with which the application may need to communicate, enabling flexible integration, reduced cabling contention, and improved system reliability across diverse deployment scenarios.

The invention discloses an industrial control mainboard, a power supply control method, equipment and a storage medium, and relates to the technical field of Ethernet power supply, the industrial control mainboard comprises a PCIe slot electrically connected with a target power supply network card, a boost circuit, a power supply control circuit and a jump cap circuit connected between the boost circuit and the PCIe slot; the power supply control circuit is set to configure the jump cap circuit to be in an Ethernet power supply state when the Ethernet power supply network card is connected with the PCIe slot, so that Ethernet power supply voltage is provided for the Ethernet power supply network card connected with the PCIe slot through a power supply pin of the jump cap circuit; or when the standard equipment network card is connected with the PCIe slot, the jump cap circuit is switched from the Ethernet power supply state to the preset electrical suspension state so as to disconnect the electrical connection between the power supply pin and the PCIe slot, thereby realizing flexible configuration expansion application with low cost and high reliability.

A device with a PoE function and a power supply control method thereof are provided. The device includes a signal processing module, a PoE control module, and a main controller. The PoE control module is configured to determine whether to enable the PoE function based on a PoE control signal. When the PoE control module receives an enabled PoE control signal, the PoE function is enabled to generate a DC power supply which is applied to the second electrical signal. The main controller outputs the PoE control signal to control an operation of the PoE control module based on a first status signal indicating a connection state of an optical signal and a second status signal indicating a signal intensity of the optical signal. When the main controller receives the first and the second status signals being enabled, the main controller generates the enabled PoE control signal to enable the PoE function.

In one embodiment, a method includes receiving a request from a powered device for power to be supplied from power sourcing equipment to the powered device; granting, in response to the request, provisional power to the powered device; receiving, an authentication request from the powered device to authenticate the powered device and reserve power; analyzing user data and device data to determine an authentication status for the powered device; denying power within a power budget for the powered device in response to the analyzing determining that the authentication status for the powered device corresponds to a failed authentication; and using an authenticated-power-profile to determine one or more actions to be performed with respect to the powered device having the failed authentication, in response to a defined number of failed authentications or an expiration of a timeout period defining an amount of time allowed to authenticate the powered device.

A system includes a handheld unit having a light source, an image sensor, one or more first processors, an Ethernet cable, and a frame. The light source projects light onto an object, and the image sensor captures an image of light reflected from the object. One or more first processors are directly coupled to the frame. An accessory device has one or more second processors that receive data extracted from the captured image over the Ethernet cable and, in response, determine three-dimensional (3D) coordinates of points on the object. The accessory device also send electrical power over the Ethernet cable to the handheld unit.

Disclosed is a camera adapter having a case with a first side used for mounting a camera, a second side with a surface mount for mounting the camera adapter to a surface such as a wall or a ceiling and a circuit board mounted within the case. The circuit board includes at least a network interface controller for connecting to a network with a Power over Ethernet (POE) capability, a relay controller for a light, an amplifier, and a microphone bridge. A third side of the case is configured to house the light to be visible to a user. The circuit board can handled all of the video and audio processing of the camera and connect to the surface only via a single CAT5 / 6 connection for network and power connectivity.

A motorized roller shade configured to connect to a power-over-Ethernet network includes a motor for rotating the shade to roll and unroll shade material to and from a roller tube to raise and lower the shade. A bank of ultra-capacitors positioned in the roller tube provides power to the motor and to logic and control circuitry also positioned within the roller tube. The logic and control circuitry charges the ultra-capacitors though power derived from the power-over-Ethernet network, without any power-over-Ethernet switches in the network to provide additional power, and controls the operation of the motor to achieve a desired target velocity. Synchronized operation of multiple motorized roller shades is achieved though autonomous operation of the shades by their corresponding logic and control circuitry. In exemplary embodiments, a lighting element controlled by the logic and control circuitry allows controlled lighting of the shade.

Single Pair Ethernet (SPE) devices and conventional Ethernet devices configured for 2-pairs or 4-pairs of wires are not compatible with each other. A media converter is provided to interface between SPE devices and conventional Ethernet devices. The media converter is configured to also interface between a SPE device that transmits power over the SPE cable, also called Power over Data Lines (PoDL), and an Ethernet endpoint device that receives power over a Power over Ethernet (POE) cable. The media converter includes a SPE connector, a first transformer, a first PHY device, a second PHY device, a second transformer, a multi-pair Ethernet connector (e.g., RJ45 connector), a clock, and a power supply.

A power sourcing device measures a resistance between the “A” pairs of an Ethernet cable to determine a first signature resistance value and uses the first signature resistance value to determine whether the device is able to receive power over the Ethernet cable in a manner compliant with the IEEE Power over Ethernet standard. In response to determining that the device can receive power over the Ethernet cable compliant with the standard, the power sourcing device provides power to the device over the Ethernet cable as specified by the standard. In response to determining that the device is not able to receive power over the Ethernet cable as specified by the standard, the power sourcing device uses the first signature resistance to determine a power request for the device and then provides a power signal over the Ethernet cable to the device that is consistent with the power request.

To provide a relay device and the like capable of suitably supplying power to a connected device.SOLUTION: A relay device 1 includes a connection unit connected to a PoE hub 2 via a LAN (Local Area Network) cable 3 that complies with the PoE (Power over Ethernet) standard, a first output port that supplies power to a first connected device, a second output port that transmits power and signals to a second connected device, and a control unit that controls the supply of power to the first connected device connected to the first output port depending on the connection state or power supply state of the second connected device at the second output port.SELECTED DRAWING: Figure 1

The invention discloses a power determination method, a switch, a storage medium and a program product, and is applied to the technical field of Ethernet power supply. The power determination method is applied to the switch, and the switch comprises a mainboard and an output port. The method comprises the following steps: acquiring operation parameters of the switch, wherein the operation parameters comprise mainboard temperature, output port number, transmission rate and wire length of each output port, and total current; a first coefficient is calculated based on the mainboard temperature, a second coefficient is calculated based on the transmission rate and the line length of each output port, a third coefficient is calculated based on the total current, and the first coefficient, the second coefficient and the third coefficient are all proportions of the actual power consumption of the mainboard to the reference power consumption; determining the actual power consumption of the mainboard based on the first coefficient, the second coefficient, the third coefficient and the reference power consumption; and determining an external total power budget of the output port based on the rated power of the switch and the actual power consumption of the mainboard. The external total power budget can be improved, and the on-load performance of the switch and the user experience can be improved.

This invention relates to the field of communication technology and discloses an optical module Ethernet power supply component, an optical module, and a communication device. The optical module Ethernet power supply component includes a first connector for electrical connection to a motherboard, a second connector for electrical connection to an external transmission cable, and an intermediate connector connecting the first and second connectors. The intermediate connector provides electrical conductivity between the first and second connectors. This optical module Ethernet power supply component, optical module, and communication device improve upon the problem of requiring two separate line installations (optical fiber and electrical cable) for device terminals, which is cumbersome, time-consuming, and costly in terms of power supply.

Systems and methods for automatically testing a network switch are disclosed according to various embodiments. In one example, a method for automatically and simultaneously testing Power over Ethernet (PoE) ports and traffic throughput of a network switch is disclosed. A data traffic is generated by a network tester with a predetermined speed based on a configuration of the network switch. The data traffic is directed through the PoE ports of the network switch. At least one PoE tester connected to the network switch via the PoE ports of the network switch is configured, e.g. by a test application running on a test computer. A first result of testing the PoE ports is obtained by the test computer from the at least one PoE tester. A second result of testing the traffic throughput of the network switch is obtained by the test computer from the network tester.

Disclosed are POE cards having a PCIe edge connector, configured to couple to a PCIe edge connector slot of a computing device, to receive power from a power supply. The card also includes an Ethernet interface device having ports for connection to POE capable devices through Ethernet cables. A DC-DC converter is configured to boost a voltage of power received at least partially through the PCIe edge connector from a first voltage to a second voltage. A POE controller is coupled between the Ethernet interface device and the DC-DC converter and is configured to control delivery of power to the POE capable devices connected to the ports. A switch is coupled to the Ethernet interface device to provide data communication between the computing device, coupled to the POE card through the PCIe edge connector, and a network or the POE capable devices connected to the ports.

A vehicular vision system includes a camera disposed at a vehicle and an electronic control unit (ECU) disposed at the vehicle remote from the camera. The ECU links to a vehicle network bus of the vehicle. The camera is connected to the ECU via an image data transmission line, which includes (i) a power-over-coaxial image data transmission line or (ii) a power-over-ethernet image data transmission line. The image data transmission line (i) transmits image data captured by the camera to the ECU and (ii) delivers electrical power from the ECU to the camera and (iii) communicates a control signal from the ECU to the camera. Captured image data is processed at the ECU for at least one driver assistance system of the vehicle. Filtering circuitry that filters electrical noise arising at least from delivery of electrical power via the image data transmission line from the ECU to the vehicular camera.

The invention discloses a power receiving device and a power over Ethernet system, and the power receiving device comprises a power receiving device controller which is connected between a DC input voltage and a first reference ground, is used for communicating with a power supply device, and comprises a first output end with a current output capability; the DC-DC conversion module is used for converting a DC input voltage into a DC output voltage to supply power to a load and comprises a first transistor and a DC-DC controller, and the DC-DC controller is connected with a second reference ground; the DC-DC controller comprises a switch control circuit used for controlling on and off of the first transistor and a power supply end used for providing power supply voltage for the switch control circuit. The first energy storage element is connected between the power supply end and the second reference ground. Wherein the first output end is connected with the power supply end, so as to realize the start control of the switch control circuit, thereby realizing the start control of the DC-DC conversion module. The circuit is simple in structure and can accurately carry out start control.

A system comprises a power-over-ethernet (POE) network switch; an intelligent power distribution hub and gateway (IPDHG) configured to communicate with the POE network switch; a rechargeable battery configured to be recharged by the POE network switch; and one or more low duty cycle devices configured to communicate with the IPDHG, wherein the one or more low duty cycle devices are charged by the rechargeable battery.

1. Name of the product in this design: Industrial Switch. 2. Application of this design: This design is used for network data exchange, transmission, photoelectric conversion, and Ethernet power supply. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

A method is provided that includes grouping a plurality of ports at power sourcing equipment receiving pulse power and transmitting power from the group of ports at the power sourcing equipment to a power interface module operable to combine the power and provide an AC (alternating current) outlet configured to provide AC power to one or more devices.

The utility model provides a kind of solar ethernet power supply circuit board, it is related to circuit board technical field, for being powered and being supplied with network to external device simultaneously, comprising: solar receiving unit, external device power supply unit, external device network supply unit and network providing unit;Solar receiving unit, external device power supply unit, external device network supply unit and network providing unit are sequentially connected;External device includes: ethernet device;Solar receiving unit is used for, receives the solar energy of external input, converts solar energy into the high voltage corresponding to external device and exports to external device power supply unit;External device power supply unit is used for, powers external device;External device network supply unit is used for, supplies network to external device;Network providing unit is used for, provides network support for external device.In this way, power supply and network supply are simultaneously realized, the simplicity is improved, and maintenance cost is reduced.

The utility model provides network cable power supply equipment and a monitoring system formed by the network cable power supply equipment, and relates to the technical field of monitoring systems. The Ethernet interface comprises a first pin serving as a TXD + pin, a second pin serving as a TXD-pin, a third pin serving as an RXD + pin, a sixth pin serving as an RXD-pin, a fourth pin serving as a master-output-slave-input signal line MOSI pin, a fifth pin serving as a master-input-slave-output signal line MISO pin, a seventh pin serving as a GND pin and an eighth pin serving as a DC-5V pin. The eighth pin is connected with a 5V simple energy storage power supply circuit, the 5V simple energy storage power supply circuit comprises a power grid monitoring circuit and a switch control circuit, the power grid monitoring circuit is respectively connected with a power grid and the switch control circuit, and the switch control circuit is connected with a 5V energy storage device and a monitoring camera. According to the utility model, the 5V energy storage device is used for replacing an uninterruptible power supply, and the Ethernet interface is used for supplying power to the monitoring camera, so that the cost performance is high, and the popularization is facilitated.

A power-over-Ethernet (PoE) powered multichannel streaming audio amplifier includes a plurality of Ethernet ports each configured to be coupled to an Ethernet cable and capable of receiving power and audio data transmitted over the Ethernet cables. Power supply circuitry connected to the Ethernet ports is configured to combine and manage the power received at the Ethernet ports. A microprocessor subsystem powered by the power supply circuitry is configured to receive and process the audio data to generate output audio signals. A digital audio amplifier powered by the power supply circuitry amplifies the output audio signals received from the microprocessor system. A plurality of audio outputs connected to the digital audio amplifier are each configured to be connected to a different one of a plurality of speaker devices to transmit the audio output signals amplified by the digital audio amplifier to the plurality of speaker devices.