Abstract: An umbrella assembly with a drive module assembly that comprises a plurality of modularized units, including a separate power supply unit and a separate drive unit. The modularized units are removably/detachably attached in a stacked structure of the overall drive module using quick connect couplings. The interfacing top and bottom sides of the adjacent modularized units are provided with complementary electrical connection terminals. The drive module is structurally and operatively coupled to the frame structure of the canopy of the umbrella assembly to operate to open/extend or close/collapse the canopy between an opened configuration and a closed configuration, by varying the distance between the upper hub and the lower hub of the frame structure.

Abstract: A timing controller includes: a field programmable gate array configured to generate a reference clock signal, and obtain at least one group of clock signals according to the reference clock signal. Each group of clock signals includes at least two clock signals, and a waveform of each clock signal is same as a waveform of the reference clock signal, and active levels in different clock signals are provided with a delay of a preset duration. The reference clock signal includes a first clock sub-signal for first duration and a second clock sub-signal for a second duration. At least one output interface group is connected to the field programmable gate array. Each output interface group includes at least two output interfaces, and each of the at least two output interfaces is configured to output one clock signal of a group of clock signals corresponding to the output interface group.

Abstract: A foldable support base for a foldable furniture with a flexible user support platform, in which a support frame has two side frame members, each pivotally connected to a load pivot joint along a load member with a load section extending beyond the load pivot joint which is pivotable about the first load pivot joint towards a center of the support frame. The load sections of the load members are configured for removably attaching a flexible user support platform therebetween. A load on the flexible user support platform results in a force component pulling on the load sections of the load members to cause the load members to pivot about the respective load pivot joints in a direction towards the flexible user support platform, thereby biasing to keep the side frame members to be spaced apart to maintain the support base in an extended configuration.

Abstract: A modular tower fan comprising a fan module having a fan housing wherein the fan housing comprises a blower fan and bearings supporting the blower fan for rotation within the fan housing, and a fan gear provided at a bottom of the fan housing; and a drive module having a drive housing, wherein the drive module comprises a drive motor, control circuitry, wirings and other electrical components within the drive housing, and a drive gear at a top of the drive housing; wherein the fan housing of the fan module is removably/detachably attached to the drive housing of the drive module with the fan gear operational coupled to the drive gear for rotation, and wherein the fan module is detachable from the drive module for cleaning mode, shipping or storage with the fan gear decoupled from the drive gear.

Abstract: The present disclosure relates to a railway video resource interconnection and convergence system and a convergence method. The system includes: a security device and a railway video sharing cloud platform. The security device is configured to map, under the condition that a first resource network is physically isolated from other resource networks, an internet protocol address of the first resource network of video resources to an internet protocol address of a shared network; and the railway video sharing cloud platform is configured to acquire a stream of the video resources, and convert the stream of the video resources into a stream of a preset standard format. The present disclosure solves the problem of secure and effective integration of video resources of a professional video monitoring system in a railway and a comprehensive video monitoring system.

Abstract: A smart trash can having a housing with a front housing door pivotable to tilt to a tilted open position. A bucket is attached to the housing door to tilt along with tilting of the housing door. A trash bag liner cartridge is supported below a housing lid within a crown of the housing. The liner cartridge stores a supply of liner material for trash bag replacements. A bag sealing and cutting mechanism seals a top opening of a filled trash bag and separates the liner material supplied from the liner cartridge upon tilting the housing door to the tilted open position, and seals an open bottom end of the liner material supplied from the liner cartridge. A bag relining mechanism lines the interior walls of the bucket with the liner material upon removal of the filled trash bag and closure of the housing door from its tilted open position.

Abstract: A window fan may include a main body, one or more front fan covers, one or more rear fan covers, one or more fans covered by both the front and rear fan covers, and a control panel. In one embodiment, the front and rear fans can be easily detached from the main body, so the fan can be taken out for cleaning purposes. The control panel can be used to control the wind direction, the magnitude, temperature, etc. of the fans. In one embodiment, the control panel can be operated manually. In another embodiment, the control panel can be operated through a remote control. In a further embodiment, the control panel can be operated through an electronic device, such as a cell phone, a tablet, a computer, etc. via WIFI, Bluetooth or other communication schemes.

Abstract: A collapsible wagon with a foldable/collapsible tailgate frame assembly coupled to a collapsible wagon frame assembly. The collapsible wagon frame assembly has a collapsible frame having a rear frame. The tailgate frame assembly has a tailgate platform having a pair of side rails, each pivotally connected to a corresponding bottom portion near the base of the rear frame, and a slider slidable along the corresponding side rails. A wheel support frame has ends each pivotally connected to a corresponding one of the side rails. A first connection member is pivotally connected to the slider and a wheel support frame, and a second connection member is pivotally connected to the slider and the rear frame. The tailgate frame assembly transitions between a collapsed state and an extended state with each slider sliding along a corresponding side rail.

Abstract: An umbrella with a frame structure supported by a support structure. The frame structure has a support hub, a plurality of long ribs each comprising a first rib section and a second rib section releasably connected by a pivot rib coupler, wherein each long rib has an end releasably or fixedly coupled to an upper end of the support hub. The frame structure further having a plurality of short rib sections in the form of a plurality of third rib sections, each comprising a first end releasable coupled to the pivot rib coupler and a second end releasably or fixedly coupled to a lower end of the support hub, wherein each pivot rib coupler is configured to pivot the third rib section relative to the first and second rib sections that are releasably coupled to the pivot rib coupler.

Abstract: An arrangement for controlling a DC-link-voltage of a DC-link-connected between a generator side converter portion and a utility grid side converter portion of a wind turbine includes: a generalized predictive control module adapted: to receive as control module input values a current value of the DC-link-voltage and a reference value of the DC-link-voltage and to derive a reference value of a DC current based on the control module input value, the reference value of a DC current defining the DC current to be injected into the DC-link, wherein the arrangement is adapted to control the generator side converter portion and/or the utility grid side converter portion based on the reference value of the DC current.

Abstract: Disclosed are a passive triggered-power electronic tap-changer device and a contact device. The power electronic tap-changer device comprises: two taps, a main contact, two auxiliary contacts, two trigger contacts, an output terminal, two thyristors, and four voltage divider resistors, which can achieve the passive triggering of a power electronic switch by means of controlling the auxiliary contacts and the trigger contacts. Provided in the present invention is a contact device for the passive triggered-power electronic tap-changer, comprising: at least two stationary contacts, a main contact, two thyristor trigger contacts, two thyristor auxiliary contacts, and a drive shaft, wherein the main contact, the thyristor trigger contacts, and the thyristor auxiliary contacts are fixed to the drive shaft, the contact device can switch the power electronic switch to different stationary contacts by means of controlling the rotation of the drive shaft, and maintains the switching time sequence of passive triggering.

Abstract: A portable wireless charging system may include a charging dock station; one or more portable charging units; a connecting piece having a plurality of connecting units; a charging surface; and a plurality of charging slots to charge the portable charging unit, wherein one side of the connecting piece is attached to one side of an electronic device that is being charged, and the other side of the connecting piece attaches to the portable charging unit; and the connecting units are configured to secure the electronic device and the portable charging unit to increase a charging efficiency when the electronic device is being charged.

Abstract: A multi-function furniture includes: pairs of support frames, each of the support frames having a top end and a bottom end; a plurality of retaining pieces pivotally connected to the top ends of the support frames; pairs of parallel side frames, each of the parallel side frames pivotally connected to the retaining pieces; a series of angular frames, each of the angular frames having a distal end and a proximal end, the distal ends and the proximal ends being pivotally connected to the parallel side frames; wherein one of the pair of the support frames is pivotally connected with the other one of the pair the support frame.

Abstract: The present disclosure relates to a phase change material (PCM) composition and a process for preparation thereof, wherein said composition comprising a phase change material, glass fibers and xanthan gum. In a preferred embodiment, the phase change material is water (or ice) and the g lass fibers are glass wool. The disclosure also relates to a stackable and sealable package enclosing the PCM composition. In a particular embodiment, the PCM composition is used to prepare a cold box that may be used in cold chain transportation.

Abstract: A collapsible shelter having a folding frame assembly, in which a plurality of leg assemblies are disposed at the corners. A central drive mechanism is disposed at a center of the perimeter, and a framework of a plurality of actuation members operatively coupled to the central drive mechanism and to the leg assemblies. The actuation members are structured and configured to move the leg assemblies towards and away from the central drive mechanism; and a canopy supported on the folding frame assembly. The central drive mechanism is configured to operate to simultaneously actuate the plurality of actuation members to move the leg assemblies in synchronization, thereby to expand and collapse the folding frame assembly in unison.

Abstract: A stackable rack includes a bottom rack frame; a top rack frame; a locking assembly that connects with the bottom rack frame and the top rack frame; wherein the bottom rack frame comprises a main supporting frame, at least one first supporting frame rotatably coupled with the main supporting frame and supported on a ground, and a second supporting frame having a securing assembly being coupled with the first supporting frame and rotatably coupled with the main supporting frame; wherein the securing assembly comprises at least one locking bracket with a locking cavity being engaged with the first supporting frame.

Abstract: A rocker chair having a frame and a longitudinal spring member extending from the frame, at or near a surface on which the chair is supported for rocking motion. The spring member includes an anchored portion anchored to the frame, and an extended portion extending from the anchored portion and is free to flex or bend against spring bias of the extended portion, wherein the extended portion is bendable upward from the support surface against spring bias of the extended portion. The frame of the rocker chair may be collapsible to convert from a collapsed configuration for stowing, to an extended configuration for seating a person. The spring member may include an anchored portion anchored to at least a portion of a bottom of the frame, and an extended portion extending from the anchored portion, wherein the extended portion is bendable against spring bias of the extended portion.

Abstract: Provided is an anti-tamper protection circuit including a switch trigger port, a tamper signal transmission port, a power supply unit, and a signal output port. The switch trigger port is connected to a switch, the signal output port is connected to a digital movie server, and the tamper signal transmission port is configured to transmit a tamper signal transmitted to the signal output port through the tamper signal transmission port. In the present disclosure, when an LED display screen is powered off, a battery inside the digital cinema server would continue to power the digital cinema server to maintain proper functioning of the digital cinema server, the power supply unit also powers the anti-tamper protection circuit to guarantee anti-tamper operation of the anti-tamper protection circuit, thereby enabling continuous protection of information security and maintenance of digital copyright, and such that the requirements of information handling standards are satisfied.

Abstract: Embodiments of this application provide an EIRP control method and a communications apparatus. In this solution, an EIRP threshold of a spatial grid may be determined, where the EIRP threshold of the spatial grid is related to a safety distance of the spatial grid; and a plurality of beams are controlled, so that a total EIRP of the plurality of beams in the spatial grid is less than or equal to the EIRP threshold. According to the foregoing solution, a total EIRP of each spatial grid may be controlled, at a granularity of a spatial grid, to not exceed an EIRP threshold of the spatial grid, so that deployment of a MIMO access network device satisfies an EMF strength requirement specified by each country/region.

Abstract: Donor-acceptor type thermally activated delayed fluorescent emitters based on imidazo[1,2-F]phenanthridine and analogues for full color displays and lighting applications.