178 results about "Power over Ethernet" patented technology

A power-over-Ethernet (PoE) PD / PSE device comprises a powered device (PD) interface configured to connect to an upstream power sourcing equipment (PSE) and receive input PoE power from the PSE, and a PSE interface configured to connect to a downstream PD and to supply output PoE power to the PD. The PD / PSE also comprises a device power rail to supply operational power to one or more components of the PD / PSE, and a DC-DC converter comprising a multi-output transformer comprising a transformer input, a first transformer output electrically connected to the PSE interface, and a second transformer output electrically connected to the device power rail. The DC-DC converter is configured to receive the input PoE power and, in response, supply the input PoE power to the transformer input, generate the output PoE power at the first transformer output, and generate the operational power at the second transformer output.

Techniques for powering a multi-unit optical network terminal (MU-ONT) located outside of a multi-unit building include obtaining reverse power from Power-over-Ethernet (PoE) lines connecting the MU-ONT to terminal units (TUs) or customer premises equipments (CPEs) disposed inside the building. Reverse power may be injected into the PoE lines at the TUs, for example. Via an MU-ONT reverse powering device, the reverse power may be separated from services data provided via the PoE lines, and the services data may be delivered between the TUs and a Passive Optical Network (PON) via the MU-ONT. The reverse power obtained from the PoE lines may be aggregated to provide the MU-ONT with power commensurate with its power load. In some embodiments, the MU-ONT power load may be shared or distributed across PoE lines in a passive or actively controlled manner based on variations in the MU-ONT load and / or respective characteristics of the PoE lines.

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.

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 power over Ethernet (PoE) to USB-C multiport switch, which includes a PoE interface to receive and transmit PoE power and Ethernet data, multiple USB-C ports to receive and transmit USB-C power and data, and a multiport Ethernet switch configured to receive the Ethernet data from the PoE interface and then distribute to the multiple USB-C ports and vice versa. Each USB-C port incorporates an Ethernet to USB-C data converter and a USB-C PD controller to negotiate power with power device by controlling a power converter. The Ethernet to USB-C data converter transposes the Ethernet data from the PoE interface to the USB-C port and vice versa and converts incoming Ethernet data into USB-C data formats and vice versa, the power converter converts PoE voltage to fit USB-C voltage, and the USB-C PD controller manages conversion of PoE power signal into a power charging signal for the USB-C port.

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.

The invention relates to a smart building multi-network integration novel all-optical network system and an operation method thereof, which adopt the technologies of photoelectric conversion, radio frequency amplification, duplex, POE and the like, and are combined with a GPON network technology to construct a GPON network and wireless network integration novel radio frequency optical fiber remote system and application. According to the system disclosed by the invention, wireless radio frequency signal coverage in the building is solved, and networking requirements of intelligent equipment such as video monitoring, wireless WIFI, an access control system, an Internet of Things gateway and the like in the building can be simultaneously met in combination with the GPON network, so that the hybrid networking capability of the intelligent Internet of Things system of the intelligent building is expanded, and the intelligent building intelligent Internet of Things system is improved. The same design, same construction and same maintenance of a plurality of indoor networks of a building are promoted, and the intelligent connection service bearing capacity of a traditional wireless radio frequency optical fiber remote system is improved.

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.

The utility model provides a front access controller and an access control system, in the front access controller, a master controller is electrically connected with a POE (Power Over Ethernet) power receiving module, a voltage conversion module, a reader module, a button module and a switch module respectively; the POE power receiving module is also electrically connected with the voltage conversion module and is also used for being electrically connected with a POE network switch; the voltage conversion module is also electrically connected with the reader module and the switch module. The main controller, the POE power receiving module, the voltage conversion module, the reader module, the button module and the switch module are respectively arranged on the PCB mainboard; the reader module is used for receiving the ID information read by the reader and transmitting the ID information to the main controller; the button module is used for receiving a trigger signal of an exit button and transmitting the trigger signal to the main controller; the output end of the switch module is used for supplying power to the access control electric lock through the voltage conversion module under the control of the main controller, so that an access control technical scheme of a simplified system structure based on POE power supply is realized.

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.

The present invention discloses an audio power adjustment method, device, and system based on Power over Ethernet. The method adjusts the input current and output power of a step-down circuit with synchronous rectification by obtaining the type parameters of a self-powered device, collects the peak power required by the power supply switch circuit, and compares it with the effective power supply power of the power supply device. When it is determined that the required power is greater than the power supply power, the supercapacitor is adjusted to a power supply state so that it and the step-down circuit with synchronous rectification can simultaneously power the power supply circuit. The power amplifier voltage gain of the output audio power amplifier is adjusted according to the second output voltage of the power supply switch circuit, and the corresponding audio power signal is output through the adjusted audio power amplifier. The input current and output power of the step-down circuit with synchronous rectification are adjusted according to the type parameters of the power supply device, thereby improving the adaptability and compatibility of the system with different types of power supply devices. The power supply switch circuit is supplied with high power by the supercapacitor, realizing power amplification through POE standard technology.

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 Power over Ethernet (PoE) PD / PSE device includes a powered device (PD) interface configured to connect to an upstream power supply (PSE) and receive PoE input power from the PSE, and a PSE interface configured to connect to a downstream PD and provide PoE output power to the PD. The PD / PSE also includes a device power rail to provide operating power to one or more components of the PD / PSE and a DC-to-DC converter including a multi-output transformer having a transformer input, a first transformer output electrically connected to the PSE interface, and a second transformer output electrically connected to the device power rail.The DC-DC converter is configured to receive the PoE input current and, in response, supply the PoE input current to the converter input, generate the PoE output current at the first converter output, and generate the operating current at the second converter output.

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.

The present application provides a multi-purpose power supply circuit and an access control system. The multi-purpose power supply circuit outputs the first electric energy when the Ethernet power receiving module receives the first electric energy provided by the POE power supply device. The Ethernet power supply module is used to receive and output the first electric energy. If the bidirectional power transmission module receives the second electric energy provided by the DC power supply device, it outputs the second electric energy. The power transmission module is used to receive the second electric energy. The detection and control module is used to control the bidirectional power transmission module to receive and output the first electric energy if only the Ethernet power receiving module is detected to receive the first electric energy; if only the bidirectional power transmission module is detected to receive the second electric energy, it controls the power transmission module to transmit the second electric energy to the Ethernet power supply module so that the Ethernet power supply module outputs the second electric energy. In this way, through the Ethernet power receiving module and the bidirectional power transmission module, various external power supply devices can be adapted for power transmission, eliminating the need for users to install additional matching power supply devices, thus reducing the power supply construction cost.

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.

The embodiment of the invention provides a witness node and a cluster system. The cluster system is provided with the witness node. The witness node comprises a shell, a mainboard, a functional element, a power supply unit and a backboard interface, wherein the functional element, the power supply unit and the backboard interface are installed on the mainboard. The shell comprises a bottom plate, a front plate extending perpendicular to the bottom plate and two opposite side walls. The mainboard is installed on the bottom plate of the shell and located between the two opposite side walls. The power supply unit is configured to receive a first input power supply provided by local power supply equipment as a main power supply of the witness node and receive a second input power supply provided by remote power supply equipment through power over Ethernet connection as a redundant power supply of the witness node, the first input power supply is fixed to the local power supply equipment, and the second input power supply is fixed to the remote power supply equipment. And the second input power supply is fixed on the remote power supply equipment. The housing has a form factor that enables the witness node to be received and to be hot-swapped to a driver slot of a host.

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 utility model discloses a packaging structure for an Ethernet power supply control circuit and power receiving equipment. The packaging structure comprises a lead frame which comprises a base island and a plurality of pins; the switching power supply controller, the power switch tube and the powered equipment controller are placed on the base island; the plastic package body wraps the switching power supply controller, the power switch tube, the power receiving equipment controller and the base island, and the floating ground end of the switching power supply controller and the reference ground end of the power receiving equipment controller are connected to different pins. Therefore, the power switch tube, the power receiving equipment controller and the switching power supply controller required by Ethernet power supply are integrated into the same lead frame, the packaging size can be greatly reduced, the electrical path between electronic elements is shortened, and compared with a traditional discrete scheme, the Ethernet power supply integrated lead frame has great advantages in cost and performance.