Abstract: A control circuit with a slow-start switch includes a power supply, a post-stage load and an MCU for outputting a control voltage for activating the control circuit. The power supply is a constant-voltage power supply and is controllably coupled to the post-stage load through a delay switch and a current limiting module. The delay switch is a normally-open switch. The current limiting module is configured to be enabled when the control voltage is outputted by the MCU under power-on of the power supply and to be automatically disabled when the delay switch is turned on. A limiting current I3 of the current limiting module to the post-stage load is less than or equal to a minimum value of an anti-surge current I1 of the power supply and an anti-surge current I2 of the delay switch.

Abstract: The present application discloses an insulating frame, a stator assembly, and a motor. The insulating frame is provided with a plurality of first wire clamp grooves and a plurality of second wire clamp grooves, installation positions are provided between the plurality of first wire clamp grooves and the plurality of second wire clamp grooves, and the installation position is configured to install a welding wire terminal. The technical solution of the present application employs that the insulating frame is provided with the first wire clamp groove and the second wire clamp groove, the welding wire terminal is provided between the first wire clamp groove and the second wire clamp groove, and the wire harnesses is clamped within the first wire clamp groove and the second wire clamp groove respectively.

Abstract: Embodiments can include, by operation of an ambient wireless device, wirelessly receiving a wakeup data frame having a broadcast-type address, a first random number (R1) and a received hash value. Using ambient energy, a hashing operation can be executed using at least a previously stored first device ID and R1 to generate a local hash value to validate the wakeup frame. In response to a validated wakeup frame, an address (Aa), second random value (R2), and an encryption key can be generated, the latter using at least a previously stored secret value (P). Using ambient energy, UL data can be encrypted using the encryption key. A response data frame can be transmitted that includes Aa as a source address, R1, R2, and the encrypted UL data. The ambient energy can be derived from radio frequency signals present in an operating environment. Corresponding devices and systems are also disclosed.

Abstract: A method can include at a first station in a wireless network, receiving path loss (PL) transmissions from at least a second station, dynamically changing power for transmissions from the first station to the second station based on the received PL information, determining PL values for transmissions received at the first station from other stations, and sending PL transmissions from the first station that include the determined PL values for at least one other station. The PL transmissions are configured to be received by stations of the same wireless network and stations of a different wireless network. Corresponding devices and systems are also disclosed.

Abstract: A full range boosting device includes two sheave intermittent mechanisms installed alternately in an up-down direction and a central gear. The two sheave intermittent mechanisms each include a dial gear, a driving dial fixed coaxially with the dial gear with no contact in axial direction, a dial round pin, a driven sheave having a radial slot, and a boosting plate fixedly connected to the driven sheave. Two dial gears are driven by the same central gear. When the driving dial of one of the sheave intermittent mechanisms rotates an angle of ?1, its boosting plate rotates an angle to be boosted by a cooperation of the dial round pin and the radial slot. When the driving dial of the other sheave intermittent mechanism rotates an angle of (360°??1), its dial round pin is exactly located at a notch of the radial slot.

Abstract: A method can include, by operation of a wireless device, determining at least one set of wireless channel candidates from available wireless channels of at least one wireless standard; determining a network information value accessible to devices of a wireless network; generating a selection value with an arithmetic-logic operation on the network information value; selecting a plurality of wireless channels from the at least one set of wireless channel candidates with the selection value to determine a discovery wireless channel set; and transmitting or receiving on all channels of the discovery wireless channel set in a wireless network discovery operation for the wireless network. Corresponding devices and systems are also disclosed.

Abstract: A method includes determining, by an ambient power (AMP) device that harvests environmental energy, one or more first authentication and key management (AKM) parameters. The method includes broadcasting, to powered wireless devices, an initialization request frame including one or more frame-exchange parameters, the one or more first AKM parameters, and encrypted content with which a powered wireless device of the powered wireless devices is to establish an encrypted wireless communication session with the AMP device. The content that was encrypted can include an identifier of the AMP device that is also known to the powered wireless device. The method includes using, by the AMP device within the initialization request frame, a first random address as a source media access control (MAC) address and one of a broadcast address or a group address as a destination MAC address.

Abstract: Service management using dynamically calculated requests per second (RPS) thresholds include monitoring, over a span of time and across services instances of a service, a resource usage of a hardware resource and a requests per second (RPS) by the service instances obtain service instance data points that include resource usage metrics related to RPS numbers, and performing a regression of the service instance data points to obtain a current set of correlation functions between the resource usage and the RPS, and selecting a RPS threshold using the current set of correlation functions and a current amount of the hardware resource assigned to the service. Service management further includes continually monitoring the RPS for the service to detect when the RPS satisfies the RPS threshold and managing the service responsive to the RPS satisfying the RPS threshold.

Abstract: Systems are provided for assisting an ultrasound imaging workflow by predicting next steps in the workflow using artificial intelligence (AI). In one example, an ultrasound imaging system includes an ultrasound probe, an image processing circuit configured to receive image data obtained using the ultrasound probe and identify an image characteristic based on the image data, an entity recognition circuit configured to convert the identified image characteristic into an AI model input, an AI processing circuit configured to apply the AI model input into an AI model, the entity recognition circuit configured to convert an AI model output into a control signal, and a control circuit configured to control a display of the ultrasound imaging system based on the control signal, where controlling the display includes causing the display to display a plurality of recommended next steps for an operator of the ultrasound imaging system to perform in the workflow.

Abstract: A method includes backscattering, by an ambient power (AMP) device that harvests environmental energy, radio frequency (RF) energy received in a wireless signal from at least one of a powered wireless device or a helper wireless device. The method includes causing, by the AMP device, an initialization request frame to be transmitted to the powered wireless device within a backscattered signal using a first spreading code. The first spreading code can encode a predetermined bit pattern, which is recognizable by the powered wireless device, and an identifier (ID) of the AMP device. The method includes receiving, by the AMP device, from the powered wireless device, an ID request frame in response to the powered wireless device detecting the initialization request frame and recognizing the ID of the AMP device. The ID request frame can trigger an attempt to initiate an encrypted wireless communication session with the powered wireless device.

Abstract: Systems and methods described herein determine, by a processing device executing on a requesting station, a target wake time (TWT) buffer size, wherein the TWT buffer size indicates a buffer size to allocate at a responding station when the requesting station is in a sleep mode. The systems and methods insert, by the requesting station, a TWT buffer size request into a request message, wherein the TWT buffer size request comprises the TWT buffer size. In turn, the systems and methods transmit the request message from the requesting station to the responding station.

Abstract: A communication method and apparatus are provided. The method includes, when a current access point multi-link device (AP MLD) determines that a non-AP MLD roams from the current AP MLD to a target AP MLD, and data exists in a send buffer (the send buffer is used to buffer data of the current AP MLD and data of the non-AP MLD) of the current AP MLD, the current AP MLD may send all the data in the send buffer to the non-AP MLD, or the current AP MLD may send all the data in the send buffer to the target AP MLD, so that the non-AP MLD can receive, from the target AP MLD, the data from the current AP MLD. This reduces a packet loss in a roaming handover process of the non-AP MLD, and further improves communication reliability of the non-AP MLD in the roaming process.

Abstract: The present disclosure provides a traffic detection method, apparatus, device and storage medium. Network traffic can be obtained and parsed to obtain network state information related to the network traffic; according to the network state information, a target business container associated with the network traffic is searched, and a target traffic identification model corresponding to the target business container is invoked from a pre-trained traffic identification model set, and whether the network traffic is abnormal access network traffic is detected based on the invoked target traffic identification model; and the abnormal access network traffic is intercepted.

Abstract: A method includes broadcasting, by a powered wireless device, a survey request frame to a plurality of ambient (AMP) devices that harvest environmental energy, wherein the survey request frame comprises a unique public key to be used by each AMP device, of the plurality of AMP devices, to generate a survey response frame. The method includes using, within the survey request frame, a first random address as a source media access control (MAC) address and one of a broadcast address or a group address as a destination MAC address. The method includes determining, from each respective survey response frame, whether a corresponding AMP device of the plurality of AMP devices is accessible from which to securely obtain data.

Abstract: Methods and apparatuses for preventing the unauthorized use and display of sensitive information in shared documents are described. A method includes performing a scan on a shared document to identify sensitive information in the shared document, determining, based on an exposure level of the shared document, a security action to be applied to the shared document to protect the sensitive information, and performing the security action to restrict access to at least a portion of the sensitive information.

Abstract: A system and method of secure transactions with ambient wireless devices. The method includes receiving, from a user device via a first communication protocol, a request for data associated with a second device. The method includes determining, based on the request, a capability of a first device to access the data from the second device via a second communication. The method includes sending, by one or more processors to the first device via the first communication protocol, a message to cause the first device to access the data from the second device using a second communication protocol and send the data to the processing device using the first communication protocol. The method includes granting or denying the user device with access to the data.

Abstract: A method can include, by operation of a first wireless device, storing a per-device credential (PDC). Authentication data frames can be exchanged with an access point device (AP) to generate at least one encryption key. An expected fingerprint can be compared to a system fingerprint. A hash of the PDC can be transmitted in an association request frame. The expected fingerprint can be a result of a predetermined hashing operation executed on at least a portion of a service set identifier of the AP and a public key corresponding to the AP. Corresponding devices and systems are also disclosed.

Abstract: A method can include a virtual/augmented reality (V/AR) access device receiving a list of virtual wireless devices within a predetermined virtual range. An upstream data frame from a real world wireless device can be encapsulated by the V/AR access device into an upstream packet and transmitted to a virtual wireless device. Downstream packets from the virtual wireless device can be decapsulated by the V/AR access device to access a downstream data frame. The downstream data frame can be transmitted to the real world wireless device by the V/AR access device. Corresponding devices and systems are also disclosed.

Abstract: A method includes determining, by an ambient power (AMP) device that harvests environmental energy, one or more first authentication and key management (AKM) parameters. The method includes broadcasting, to powered wireless devices, an initialization request frame including one or more frame-exchange parameters, the one or more first AKM parameters, and encrypted content with which a powered wireless device of the powered wireless devices is to establish an encrypted wireless communication session with the AMP device. The content that was encrypted can include an identifier of the AMP device that is also known to the powered wireless device. The method includes using, by the AMP device within the initialization request frame, a first random address as a source media access control (MAC) address and one of a broadcast address or a group address as a destination MAC address.

Abstract: A method includes backscattering, by an ambient power (AMP) device that harvests environmental energy, radio frequency (RF) energy received in a wireless signal from at least one of a powered wireless device or a helper wireless device. The method includes causing, by the AMP device, an initialization request frame to be transmitted to the powered wireless device within a backscattered signal using a first spreading code. The first spreading code can encode a predetermined bit pattern, which is recognizable by the powered wireless device, and an identifier (ID) of the AMP device. The method includes receiving, by the AMP device, from the powered wireless device, an ID request frame in response to the powered wireless device detecting the initialization request frame and recognizing the ID of the AMP device. The ID request frame can trigger an attempt to initiate an encrypted wireless communication session with the powered wireless device.