Abstract: A totem pole PFC (Power Factor Correction) circuit, having: a first switch, a second switch and a control circuit. When the totem pole PFC circuit works in CCM (Continuous Current Mode), the control circuit is configured to turn on a main switch when a current detecting signal indicative of an AC input current of the totem pole PFC circuit decreases to a current valley reference signal, and keep the main switch ON for a first on-time period. When the totem pole PFC circuit works in DCM (Discontinuous Current Mode), the control circuit is configured to turn on the main switch at a valley of a switching voltage after expiry of a time delay started from when the AC input current decreases to zero, and keep the main switch ON for a second on-time period.

Abstract: The present invention relates to a cavity phase shifter with a housing having at least one cavity and a transmission line mounted in the cavity. The transmission line is provided with an input end and an output end. The output end of the transmission line is electrically connected to another transmission line outside the cavity without the aid of a cable. The cavity phase shifter also includes a movable element mounted within the cavity. Movement of the movable element is configured to adjust a phase shift experienced by an RF signal that travels between the input end and output end of the transmission line. The cavity phase shifter can be provided in a base station antenna having a reflector; a feed board mounted forwardly of the reflector; and a radiating element extending forwardly from the feed board. The phase shifter is mounted rearward of the reflector.

Abstract: The present invention sets forth a salt of an aldose reductase inhibitor shown in formula A-N. The salt being able to be prepared as a crystal form, having notably improved solubility relative to the compound of formula A, having lower hygroscopicity allowing for stable existence, and thus being more easily made into a medicine than are the formula A compound or other salts.

Abstract: An organic light emitting diode (OLED) display device, comprising: an OLED display panel, comprising a substrate, a driving circuit layer and a touch layer; wherein the OLED display panel further comprises a touch bonding terminal area and a display bonding terminal area, and the touch bonding terminal area is provided with a touch bonding terminal and the display bonding terminal area is provided with a display bonding terminal; a touch driving chip, comprising a touch connection terminal and a display connection terminal; and a flexible circuit board; wherein the flexible circuit board comprises a converting terminal and a converting line, and the touch bonding terminal is bonded to the converting terminal, and one end of the converting line is connected to the converting terminal and an other end of the converting line is connected to the touch connection terminal.

Abstract: Disclosed herein natural gas power generating systems comprising a post-combustion carbon capture (PCC) unit configured to remove carbon dioxide from a waste gas to create a flue gas, a direct air capture (DAC) unit configured to adsorb carbon dioxide from an atmospheric gas, and a compression unit configured to receive at least one of: (i) carbon dioxide gas from the first carbon dioxide rich outlet line and (ii) carbon dioxide gas from the second carbon dioxide rich outlet line to create a compressed carbon dioxide product. The DAC unit can further generate steam using a heat exchange with steam generated by a HRSG. The DAC unit can further comprise a sorbent module containing the sorbent bed. The sorbent module can have a carbon capture state configured to adsorb carbon dioxide and a regeneration state configured to contact steam with the sorbent bed.

Abstract: A method for controlling a vehicle, including: simulating and deducing, based on current state information between a target vehicle and a traffic participant, an interaction process between the target vehicle and the traffic participant to obtain an initial part of a cooperative game tree; updating, in response to there being a target leaf node that is capable of being expanded to obtain a target child node in the initial part, respective nodes on a deduction path from the root node to the target child node based on a path parameter of an updated predicted trajectory, to obtain a complete cooperative game tree composed of the initial part and the target child node; and determining a first control instruction of the target vehicle using the complete cooperative game tree, to control the target vehicle using the first control instruction.

Abstract: The present disclosure relates to the technical field of display devices, in particular to an OLED display panel and a manufacturing method thereof. The OLED display panel includes a display region and a blind hole region located in the display region disposed on a substrate, wherein the display region includes: a driving circuit arranged on the substrate; a light-emitting layer disposed above the driving circuit; and the blind hole region includes: an opening; traces arranged on the substrate and surrounding the opening; and a light-shielding layer disposed above the traces, wherein the traces and a part of the driving circuit are located on a film layer, and the light-shielding layer and another part of the driving circuit are located on another film layer.

Abstract: A system and method for fisheye image processing can be configured to: receive fisheye image data from at least one fisheye lens camera associated with an autonomous vehicle, the fisheye image data representing at least one fisheye image frame; partition the fisheye image frame into a plurality of image portions representing portions of the fisheye image frame; warp each of the plurality of image portions to map an arc of a camera projected view into a line corresponding to a mapped target view, the mapped target view being generally orthogonal to a line between a camera center and a center of the arc of the camera projected view; combine the plurality of warped image portions to form a combined resulting fisheye image data set representing recovered or distortion-reduced fisheye image data corresponding to the fisheye image frame; generate auto-calibration data representing a correspondence between pixels in the at least one fisheye image frame and corresponding pixels in the combined resulting fisheye image

Abstract: Implementations of the present disclosure relate to automatic AP failure recovery with assistance of a neighbor AP. A method includes detecting, by a first access point (AP), a failure at the first AP. The method further includes transmitting, by the first AP to a second AP, a query about an operating status of the second AP. The first AP then receives, from the second AP, a response to the query, the response indicating the operating status of the second AP. The method also includes determining, by the first AP and based at least in part on the operating status of the second AP, that the failure is not indicative of an event also impacting the second AP. The method further includes utilizing, by the first AP, the second AP to assist with recovery from the failure.

Abstract: A method includes generating an encoded and secured message comprising at least two parts, and transmitting the at least two parts of the encoded and secured message over at least two beam pair links (BPLs) associated with the first device and the second device, each part of the at least two parts being transmitted over a single BPL.

Abstract: The present invention relates to a touch display device, a drive control circuit for the touch display device, and a method for operating the touch display device. The touch display device includes a drive control circuit, the drive control circuit is configured to: in a display phase, provide a common voltage signal to a common electrode in a pixel circuit of the touch display device; in a touch phase, provide a touch drive signal to the common electrode, wherein a ratio of an average value of a high level and a low level of the touch drive signal to a value of the common voltage signal ranges from 0.8 to 1.2.

Abstract: The invention discloses a tension force stepless adjustment counterweight power generating mechanism and a fitness equipment with the same, comprising a pulling rope, a winding drum, a mounting seat, a central shaft, a spring, a generator, and a regulator; one end of the pulling rope is connected to the winding drum; a part of the pulling rope is wound on the outer peripheral wall of the winding drum; the winding drum is rotatably connected to the mounting seat; the outer end of the spring is connected to the winding drum, and the inner end thereof is connected to the mounting seat; the central shaft is rotatably arranged on the mounting seat. The mechanism organically combines the pulling force process with the power generation process, and uses a regulator to adjust the rotation damping of the generator motor shaft to adjust the pulling force in a disguised manner.

Abstract: Aspects of this disclosure provide techniques for detecting and recovering from beam-failure events. In some embodiments, motion sensor information generated by motion sensors on a UE is used to detect, predict, and/or recover from a beam failure event that results, or would otherwise result, from movement of the UE. The motion sensor information may be used to adjust a current beam direction used by the UE to transmit or receive a signal, or to determine a recommendation for adjusting a current beam direction of the base station. The motion sensor information may be generated by any sensor that detects a movement of the UE, such as a gyroscope, an accelerometer, a magnetometer, a global positioning system (GPS) sensor, a global navigation satellite system (GNSS) sensor, or any other device that detects a change in position/orientation of the UE.

Abstract: An example apparatus includes at least one processor and at least one memory coupled to the at least one processor and storing programming instructions for execution by the at least one processor to: obtain map data at a current moment, where the map data includes a first road area at the current moment, the special road condition is located in the first road area, the first road area is obtained based on a road condition model and a vehicle parameter within a preset time period before the current moment, and the road condition model represents a correspondence between a feature of the vehicle parameter and the special road condition; and determine, based on a planned route of a vehicle, that a second road area exists in the planned route of the vehicle, where the second road area is in the first road area.

Abstract: An optical system for measuring a parallelism of rays of a light emitter and virtual imaging distances (VIDs) of the light emitter, the optical system including an enclosure, a pair of apertures, and a lens system disposed between the front and rear end of the enclosure, wherein a first and second of the apertures allows a first and second set of rays into the enclosure to be disposed through the optical lens system to be cast on an imaging plane as a first and second spot, respectively, wherein a parallelism of the sets of rays is based on a correspondence of a distance between the spots with a distance between sets of rays and a VID of the light emitter is based at least in part on an offset of the imaging plane from the lens system focus position when the light emitter is not optically disposed at infinity.

Abstract: The present invention relates to mannanase variants. The present invention also relates to polynucleotides encoding the variants; nucleic acid constructs, vectors, and host cells comprising the polynucleotides; and detergent compositions and methods of using the variants.

Abstract: In accordance with an embodiment, an antenna includes at least two radiators. The at least two radiators include a first radiator and a second radiator that are spaced apart in parallel, and a first end of the first radiator is disposed closer to a first end of the second radiator than a second end of the first radiator. Both the first radiator and the second radiator are connected to a feed point.

Abstract: The present disclosure relates to a network operation and maintenance technology, and in particular to a system and method for generating network device driver files. One aspect of the present disclosure provides a system for generating network device driver files. The system includes: a network device capability model construction unit, configured to construct a capability model following a standard format on the basis of a capability set acquired from a network device; a driver function interface generation unit, configured to generate, based on the capability model, a driver function interface that can be called by an upper-layer application; and a control message generation unit, configured to receive configuration data from the upper-layer application via the generated driver function interface, and to generate, based on the configuration data, a control message for driving the network device.