Other

Huawei Technologies Co., Limited

Junlong Liu

Xiaojun Liu

Caixia Wang

Yan Zhang

Junchao Liu

Junshuai Liu

Juntao Liu

The invention provides a vision-testing method and vision-testing device. The vision-testing method is applied to the vision-testing device. The vision-testing device includes a light-transmitting apparatus, a plurality of vision test marks arranged on one side of the light-transmitting apparatus, and a plurality of light-emitting units arranged on another side of the light-transmitting apparatus for providing the vision test marks with a light source. The vision-testing method comprises the steps of obtaining a vision test command, controlling one of the light-emitting units to emit light according to the vision test command so as to highlight the corresponding vision test mark, obtaining user-response information and outputting a vision test result according to the user-response information and the highlighted vision test mark. The vision-testing method provided by the invention can achieve the vision test without a professional guidance, and the user can obtain real-time vision test information.

Vision-testing method and device thereof

This application discloses a memory protection method and a protection proxy control apparatus. In an example method, in response to determining that an accelerator or an input/output (I/O) device requests to access a system memory by using a direct physical address, the protection proxy control apparatus may obtain, based on an identifier of a data stream of the accelerator or the I/O device, permission information of a physical page table in which a physical address requested to be accessed by the data stream is located, and perform permission check on the memory access request based on the permission information.

Memory protection method and protection proxy control apparatus

A silt filtering device includes a moving bottom plate. A first material conveying water pump, a stirring box, a filter box and a compression box are sequentially arranged on an upper portion of the moving bottom plate. A roller mechanism is arranged on each of four diagonal portions of a lower portion of the moving bottom plate. A controller, an infrared sensor and a high-definition camera assembly are arranged on the upper portion of the moving bottom plate. The first material conveying water pump conveys silt material to the stirring box through a convey pipe. A jitter mechanism assembly is arranged at a bottom portion of the stirring box to generate jittering. The jitter mechanism assembly comprises a plurality of identically shaking spring bodies and a driving cylinder arranged on the shaking spring bodies.

Silt filtering device

The municipal waste sorting system includes a sorting guide rail frame and garbage collecting boxes arranged on two sides of the sorting guide rail frame, a first recycling bin disposed on a tail of the sorting guide rail frame and a second recycling bin in communication with the first recycling bin. A garbage discharge pipe is connected with an end head portion of a front end of the sorting guide rail frame and discharges the garbage into the sorting guide rail frame. A guide rail assembly is arranged on an upper portion of the sorting guide rail fame to transport garbage. A first sorting manipulator assembly, a second sorting manipulator assembly and a third sorting manipulator assembly are arranged on the sorting guide rail frame to screen the garbage to the garbage collecting boxes.

Municipal waste sorting system

A high environmental protective and energy-saving LED illumination lamp includes a base, a first lamp body assembly arranged on an upper portion of the base, and a second lamp body assembly arranged on an upper portion of the first lamp body assembly. A controller, a power supply, a data memory, a wireless communication transmission unit configured to communicate with an external mobile terminal, an alerter configured to generate an alarm sound in case of an emergency, a sound device, and a voltage stabilizer are arranged inside the base. A first rotary drive motor is arranged inside the base. A rotary disc configured to support the first lamp body assembly is arranged between the base and the first lamp body assembly. The first rotary drive motor drives the rotary disc to rotate to drive the first lamp body assembly to rotate synchronously.

High environmental protective and energy-saving LED illumination lamp

A water conserving reaming system includes a water storage box, a water pumping pipe communicated with the water storage box, a first lifting platform, a second lifting platform, a reaming mechanism assembly, and a reamer bit connected with a front end of the reaming mechanism assembly. The first lifting platform includes a first base, a lifting frame arranged on an upper portion of the first base and a pipeline joint. An end of the water pumping pipe extends into the water storage box. An other end of the water pumping pipe is communicated with a bottom portion of the first base. A filtering mechanism for performing primary filtering treatment on a water source from the water pumping pipe is arranged inside the first base. The second lifting platform includes a second base and a telescopic column arranged on an upper portion of the second base.

Water conserving reaming system

A water conserving, secure and environment protective device includes a stationary base, a reflux column connected with the stationary base and a floating mechanism assembly sleeved on the reflux column. The reflux column defining a plurality of reflux holes to reflux an external water source. A water absorption mechanism assembly includes a plurality of supporting frames, a water pump arranged on an upper portion of the supporting frames, and a plurality of water suction pipes communicated with the water pump to suck the external water source.

Water conserving, secure, and environmentnt protective device

The present disclosure of a sewage treatment device includes a compression tank that is cylinderically shaped, a stirring structure communicated with the compression tank by a first intermediate pipe, and a detection box communicated with the stirring structure by a second intermediate pipe. A telescopic driving cylinder is arranged on an upper portion of the compression tank and a conveying pipe is connected to a top surface of the compression tank to deliver external sewage to an interior of the compression tank. A diameter of the conveying pipe ranges from 8-15 cm; A filter interlayer is arranged in an interior of the compression tank and the filter interlayer is annular. An end of a driving shaft of the telescopic drive cylinder is connected with a compression body. An outer periphery of the compression body is contacted with an inner wall of the filter interlayer.

Sewage treatment device

A sewage treatment device includes a stirring structure, a filter box, a tank filter, and a detection structure which are connected in sequence. Conveying pipelines are connected to an exterior of the stirring structure to convey sewage to an interior of the stirring structure. First water pumps are connected to the conveying pipelines to provide conveying power. An upper-layer stirrer assembly, a lower-layer stirrer assembly and a rotating shaft configured to install the upper-layer stirrer assembly and the lower-layer stirrer assembly are arranged in the interior of the stirring structure. A lifting driving cylinder drives the upper-layer stirrer assembly and the lower-layer stirrer assembly to move up and down. The upper-layer stirrer assembly includes an engaging block axially engaged with the rotating shaft and stirring blades arranged around the periphery of the engaging block at equal intervals.

A water conserving gate includes a base and a gate board configured to resist external water flow. A first supporting column, a second supporting column and a third supporting column are sequentially arranged on an upper portion of the base. A control box is arranged on the upper portion of the base. A first connecting rod is connected between a gate board and the first supporting column; a second connecting rod is connected between the gate board and the second supporting column. A third connecting rod is connected between the gate board and the third supporting column. A first rotary boss arranged on the first supporting column is movably connected with the first connecting rod. A second rotary boss arranged on the second supporting column is movably connected with the second connecting rod.

Water conserving gate

A municipal warning lamp includes control box and a warning lamp post arranged on an upper portion of the control box. The warning lamp post is of a cuboid structure. At least three warning lights with different colors are arranged on each side of the warning lamp post. A power supply, a controller, a temperature and humidity sensor, a network communication transmission unit, an alerter, a data memory, a first telescopic driving cylinder, a second telescopic driving cylinder, and a BLUETOOTH transmission unit are arranged in an interior of the control box. A second telescopic rod is connected to an upper portion of a first telescopic rod connected with an upper portion of the warning lamp post

Municipal warning lamp

An LED lamp includes a main body and a lamp body assembly arranged on an upper portion of the main body. A automatic telescopic mechanism assembly connecting the main body and the lamp body assembly is arranged between the main body and the lamp body assembly to change a height of the lamp body assembly. A controller, a power supply, a data memory, a wireless communication transmission unit for communicating with an external mobile terminal, an alerter for generating an alarm sound in case of an emergency, a sound device, and a voltage stabilizer are arranged inside the main body. A touch display screen and a plurality of control buttons are arranged on a front surface of the main body. A radiator for a real time heat dissipation of the LED lamp is arranged inside the main body.

LED lamp

A high-intelligent LED street lamp includes a control box, a signal display box arranged on an upper portion of the control box, and a support rod arranged on an upper portion of the signal display box. An LED street lamp assembly, a solar panel assembly, and a wind power generation assembly are sequentially arranged on the support rod. A controller, a rectify and filter unit, a constant-current protection unit, a power supply, a data memory, a wireless communication transmission unit; an alerter, a sound device, and a voltage stabilizer are arranged inside the control box. The wireless communication transmission unit is configured to communicate with external mobile terminals and the alerter is configured to generate an alarm sound in case of an emergency.

High-intelligent LED street lamp

A low-impact water conserving dam includes a dam body and reinforcing ribs arranged on a rear portion of the dam body. The reinforcing ribs comprise transverse reinforcing ribs and vertical reinforcing ribs interlaced with the transverse reinforcing ribs. A front portion of the dam body is an inclined surface and a rear end of the dam body is a platform surface. A planting bin is arranged on the platform surface of the dam body for planting vegetation. A plurality of water flow through holes are arranged in a matrix manner at a bottom of the planting bin. A water storage bin is arranged in an interior of the dam body. The water flow through holes are communicated with the water storage bin. A water drainage channel communicated with the water storage bin is formed in a middle upper portion of the inclined surface of the dam body.

Low-impact water conserving dam

A sewage treatment system includes a main box and a can-type filter arranged on a side of the main box. A power source, a controller, a data memory, a temperature and humidity sensor, a wireless communication transmission unit, a BLUETOOTH transmission unit and an alertor are arranged inside the main box. The data memory, the temperature and humidity sensor, the wireless communication transmission unit, the BLUETOOTH transmission unit, and the alertor are electrically connected with the controller. The main box is externally connected with a conveying pipeline to convey the sewage into an interior of the main box. A primary filter, a secondary filter and a tertiary filter are sequentially arranged in an interior of the main box from top to bottom.

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Shenzhen, China

Junlong Liu