147results about How to "Improve pickup effect" patented technology

The invention discloses a distributed microphone pickup system and method in a complex scene, and the method comprises the steps: carrying out the array layout of a plurality of microphones through adistributed structure, and picking up the voice information in an application scene; the picked voice signals are processed through audio algorithms such as noise reduction, echo cancellation and reverberation removal, so that the pickup effect is improved, and smooth and clean voice signals can be obtained; and finally, outputting the processed voice signal to control the equipment to execute corresponding operation.

A cleaner head for a cleaning appliance includes a rotatable agitator assembly, an agitator chamber housing the agitator assembly, and a sole plate defining a downwardly-directed opening through which debris energized by the agitator assembly enters the agitator chamber. A set of support members is located on a leading and trailing section of the sole plate, the support members extending downwardly beyond the sole plate to support the sole plate above a relatively hard floor surface. The lowermost extremities of the sets of support members are located in a first plane, and the edges of the opening are located in a second plane which is inclined upwardly relative to the first plane. The agitator assembly includes agitating members which extend outwardly from the opening beyond the second plane but within the first plane.

The invention discloses a camera angle calibration method during a robot speech localization process. The method comprises a first step of speech coarse localization in which the camera is rotated to an approximate speech source direction according to the speech information, a second step of human face detection in which the camera is used for detecting whether a human face exists and a third step is carried out if the camera detects the human face, a third step of human face angle deviation calculation in which a rectangular coordinate axis is built with the camera center as the original point, the coordinates [X, Y] of the human face center are localized, and the coordinates [X, Y] are deviation between the human face center and the camera center, and a fourth step of angle adjustment in which the angle degreeX of the camera rotating along the X axis and the angle degreeY of the camera rotating along the Y axis are converted according to the deviation between the human face coordinates and the camera center and then, the camera is rotated to enable the human face center to be aligned with the camera center according to the degreeX and the degreeY. The camera alignement precision during the speech localization process is improved.

An image pickup apparatus capable of making focus detection performance and image pickup performance compatible with each other. A plurality of image pickup pixels detect a subject image formed by an imaging optical system and generate an image for image pickup. Microlenses disposed for the respective image pickup pixels gather incident light to the respective image pickup pixels. Each image pickup pixel has a plurality of photoelectric converters divided in a first direction and a second direction perpendicular to the first direction. Each photoelectric converter photoelectrically converts each of subject images having passed through pupil partial areas corresponding to the respective photoelectric converters in an exit pupil of the imaging optical system and outputs focus detection signals for detecting a phase difference between the subject images. A first curvature of the microlenses in the first direction and a second curvature of the microlenses in the second direction are different.

A floor tool for a vacuum cleaning appliance, comprising a main body connected to a conduit, the main body comprising, a supporting member adapted to support a cleaning element and a suction nozzle adjacent an edge of the supporting member, wherein the suction nozzle defines a suction chamber, and wherein the suction chamber includes a first fluid outlet and a second fluid outlet in communication with the conduit.

The invention relates to the technical field of remote access and discloses a method and a device for realizing a teleconference. The method concretely comprises the steps that after the teleconference is successfully established, a conference terminal detects a first mobile terminal in the current conference place, and sends a first dialing indication to the detected first mobile terminal by a short-distance wireless communication channel, thus enabling the first mobile terminal to establish an audio and video link according to the logo of a second mobile terminal; and finally, the conference terminal codes the received audio and video signals of other conference places and / or the received audio and video signal of the current conference place, and sends to the second mobile terminal on the basis of the audio and video link by the first mobile terminal and receives the audio and video signal sent from the second mobile terminal by the first mobile terminal for playing after decoding, in such a mode, the pickup range is effectively improved, the connected teleconference is prevented form being disconnected when the second mobile terminal is accessed, and the timeliness of accessing the teleconference is effectively improved.

A floor tool for a vacuum cleaning appliance, comprising a main body connected to a conduit, the main body comprising, a supporting member adapted to support a cleaning element and a suction nozzle adjacent an edge of the supporting member, wherein the suction nozzle defines a suction chamber, and wherein the suction chamber includes a first fluid outlet and a second fluid outlet in communication with the conduit.

The invention provides a pickup method and device based on double microphones, computer equipment and a computer readable storage medium, and the method comprises the steps: receiving a sound signal through the double microphones, converting the sound signal into a double-channel frequency domain signal, and carrying out fixed beam forming of double-channel frequency domain data, thereby generating a first single-channel frequency domain signal; performing noise reduction on the first single-channel frequency domain signal according to a preset algorithm to obtain a second single-channel frequency domain signal; and finally, converting the second single-channel frequency domain signal into a time domain, generating a final audio signal, and completing the whole pickup process of the doublemicrophones. In the process of realizing sound pickup, the whole sound pickup process can be completed only by the double microphones, so that the hardware production cost is effectively reduced. Inthe noise reduction process, the preset algorithm calculates the voice existence probability and updates the noise spectrum by using the double-microphone coherence function, so that the robustness tofar-field reverberation and noise is greatly improved under the condition that the calculated amount is small, and the pickup effect is effectively improved.

A printing medium supply device and an image forming apparatus having the same are provided. The printing medium supply device may include a pickup unit and an adjustment unit. The pickup unit may include a shaft, a pickup roller spaced apart from the shaft to come into contact with printing media, a pickup holder to support the pickup roller, the pickup holder being rotated about the shaft to lift or lower the pickup roller, and a link member connected to the pickup holder so as to be rotated about the shaft. The adjustment unit may include a pressure member coming into contact with a pressure applied portion of the link member to rotate the link member by applying pressure thereto, and an elastic member elastically supported by the pressure member to transmit elastic force to the link member. This configuration ensures constant pickup pressure despite variation in the quantity of printing media.

A floor tool for use in vacuum cleaning floor surfaces includes a sole plate that engages with a floor surface, a supporting body for the sole plate having at least one wheel or roller configured with respect to the supporting body so as to permit the body to ride along the floor surface, and an outlet conduit for coupling to a wand of a vacuum cleaner. The outlet conduit is pivotally mounted to the supporting body about an axis which is substantially over the sole plate.

The invention discloses a mechanical gripper. The mechanical gripper comprises a base, gripper jaws, a steering engine, a steering wheel, a helm disc and a rocking bar, wherein the gripper jaws are mounted on slideways of the base; the steering engine drives the helm disc to rotate; the helm disc drives the rocking bar, and then the rocking bar drives the gripper jaws, so that the gripper jaws slide on the slideways and an object can be clamped or released. The mechanical gripper disclosed by the invention can work in a narrow operation space; the mechanical gripper is light in overall weight, simple and reliable in structure, and high in stability, so that the mechanical gripper is particularly suitable for being used in aircrafts or other special industry.

The invention relates to a sucker for road sweeping equipment and the road sweeping equipment. The sucker for the road sweeping equipment comprises a sucker body (1), a suction pipe (5) and a driving part (7), wherein the suction pipe (5) is movably arranged on the sucker body (1) along the width direction of the road sweeping equipment; and the driving part (7) is used for driving the suction pipe (5) to move along the sucker body (1). When the road sweeping equipment works, the driving part can be flexibly controlled to adjust the position of the suction pipe along the width direction of the road sweeping equipment according to the garbage distribution condition and garbage weight on the road, so that pressure distribution in a sucking chamber of the sucker body is changed, a position with high vacuum degree in the sucking chamber is aligned with a pavement area with centralized garbage or heavy garbage, the sucking performance of the sweeping equipment can be improved under the condition that the fan power is not increased, and the energy consumption and radiation noise of the equipment can be effectively reduced.

The invention discloses a suction nozzle used for a sweeper truck and the sweeper truck. The suction nozzle used for the sweeper truck comprises a front baffle, a hoarding plate, a top plate and a suction pipe, the front baffle, the hoarding plate and the top plate define a suction nozzle cavity with an opening formed at the lower end, a connecting hole is formed in the top plate, the suction pipe is installed on the top plate through the connecting hole and communicated with the suction nozzle cavity, a channel used for large-size garbage to enter therein is formed in the front baffle, and the suction nozzle used for the sweeper truck is further provided with a self-adaption adjusting mechanism used for blocking or opening the channel. Therefore, the channel special for the large-size garbage on the road surface to enter therein is formed in the front baffle, meanwhile, the self-adaption adjusting mechanism used for blocking or opening the channel is arranged, therefore, the suction nozzle cavity can be designed into a small cavity, so that the suctioning and lifting capacity is promoted, when the large-scale garbage exists on the road surface, the channel is opened automatically, and when the large-scale garbage is suctioned, the channel is automatically restored to a normal inlet of great suctioning and lifting capacity.

The invention discloses a pressure-differential classification suction pickup sweeper, which comprises a sweeper chassis. A water tank, an auxiliary engine, a hydraulic driving system, a fan, a garbage can, a blowing-suction-type suction nozzle mechanism, a pure-suction-type suction nozzle mechanism, a sweeping mechanism and a sweeping spraying system are arranged on the sweeper chassis; and the hydraulic driving system and the fan are powered by the auxiliary engine, the blowing-suction-type suction nozzle mechanism is powered by the fan, the sweeping spraying system is powered by a chassis battery, the sweeping mechanism and the garbage can are powered by the hydraulic driving system, the blowing-suction-type suction nozzle mechanism and the pure-suction-type suction nozzle mechanism both communicate with the garbage can, the blowing-suction-type suction nozzle mechanism is used for conducting suction pickup on garbage with the large specific weight, and the pure-suction-type suctionnozzle mechanism is used for conducting suction pickup on garbage with the small specific weight. According to the pressure-differential classification suction pickup sweeper, the garbage, with the different specific weights, such as leaves, floating dust and earth and stone particles can be subjected to separated suction pickup, the pavement sweeping efficiency and cleanliness can be improved greatly, reentrainment can be reduced greatly, and the advantages of high operation efficiency, good cleaning effect, low energy consumption and the like are achieved.

The invention discloses a micro-thermal sound transducer and a preparation method thereof. The sound transducer comprises a thermal insulation substrate structure, a heating unit and a heat sensitiveunit. The heating unit and the heat sensitive unit are adjacent to each other and are arranged on the thermal insulation substrate structure. The heating unit is used for providing a local temperaturefield; and the heat sensitive unit is configured to detect a temperature change, caused by sound wave propagation, of the local temperature field and convert the temperature change into an electricalsignal or optical signal. Therefore, the sound pickup effect can be effectively improved.

A cleaner head for a vacuum cleaner includes a body that defines a suction chamber, the suction chamber having a suction inlet for engaging a surface to be cleaned, and an outlet for fluid connection to a suction generator of a vacuum cleaner. The cleaner head further includes first and second brush bars each configured to contact a surface engaged by the suction inlet, and a drive mechanism which has an actuator. The drive mechanism is configured to rotate the brush bars about respective axes. The drive mechanism is also configured to rotate the first brush bar independently of the second brush bar, and to rotate the second brush bar independently of the first brush bar.

The invention provides a dual microphone phase measurement correction method and a correction system. The method comprises the following steps: scanning a plurality of frequency points by using a testaudio frequency to grasp the data of two microphones; converting the data of the two microphones into a beamforming map; the software algorithm of the dual microphone array is debugged and optimizedaccording to the beam forming diagram, so that the dual microphone array achieves the best sound pickup effect.

In accordance with the present invention, there is provided a turbine engine component having an airfoil portion with a pressure side and a suction side, a first microcircuit embedded in a wall forming the pressure side, an internal cavity containing a supply of cooling fluid, the first microcircuit having an inlet leg, an intermediate leg, and an outlet leg, and a plurality of communication holes between the internal cavity and the outlet leg. In a preferred embodiment, the outlet leg is provided with at least one set of features for locally accelerating cooling flow in the outlet leg and for increasing heat pick-up ability.

The invention relates to the technical field of road cleaning and discloses a suction nozzle device and road cleaning equipment. The suction nozzle device comprises a suction nozzle body and a smashing device arranged on the suction nozzle body. The suction nozzle body is provided with a suction nozzle cavity and at least one suction pipe communicating with the suction nozzle cavity. The suction nozzle body comprises a front baffle located in front of the suction nozzle cavity, and the front baffle can keep a certain distance from the ground. The smashing device can smash garbage, sucked intothe suction nozzle cavity, on the upper stream of an airflow route of the at least one suction pipe. The sucking and picking ability and the smashing effect of the provided suction nozzle device are greatly improved.

The invention provides an AI voice interaction method. The method comprises the following steps: obtaining user voice by using an earphone, receiving a digital voice signal sent by the earphone through wireless communication by using a main body, then sending the digital voice signal to a cloud server through mobile data or WiFi, performing, by the cloud server, voice recognition and semantic analysis on the digital voice signal, and causing the main body to make a call or issuing network data to the main body according to the analysis result, so that the earphone performs corresponding voicebroadcast according to the network data. Since the pickup effect of the earphone worn on the ear is better, and the most data processing is completed in the cloud server of the cloud, the voice recognition and the semantic analysis are more accurate, and the obtained network data resources are also more abundant. Correspondingly, the invention further provides a computer readable storage medium, and an AI voice interaction apparatus and system.

An optical pickup device includes a housing having an upper-open recess, a plurality of optical components mounted at their predetermined positions in the recess of the housing, and a resin member capable of transmitting laser light, wherein the resin member is provided for covering the optical components and fixing them at their predetermined positions in the recess.

The invention discloses a voice input method of a remote controller, the remote controller and a multimedia terminal system, and relates to electronic equipment, wherein operation is convenient, the pickup effect is good, and poor anti-interference, severe distortion, long time delay of voice frequency and the like caused by remote sampling are avoided. The voice input method of the remote controller includes the steps that voice input by a user is received and converted into analog voice frequency signals; the analog voice frequency signals are converted into digital voice frequency signals; data compression is carried out on the digital voice frequency signals, and the digital voice frequency signals are converted into voice frequency compressed data; the voice frequency compressed data are sent to a multimedia terminal. The remote controller comprises pickup equipment, a master control unit and a communication unit, and the pickup equipment comprises a pickup module and an analog-digital conversion module. The multimedia terminal system comprises the multimedia terminal and the remote controller, and the multimedia terminal is provided with an adapter and is communicated with the remote controller through the adapter.

A cleaner head assembly for a vacuum cleaner includes a cleaner head body pivotably attachable to a main body of a vacuum cleaner and a brush housing pivotably mounted on the cleaner head body, the brush housing having a suction opening, a brush bar mounted therein and a resilient member provided to bias the brush housing in a pivoting direction so as to urge a rear portion of the brush housing in an upward direction with respect to the cleaner head body. This configuration allows the brush housing to be doubly articulated with respect to the main body of the vacuum cleaner as it is biased by the resilient member in the pivoting direction such that the rear portion of the brush housing is urged in an upward direction with respect to the cleaner head body and the suction opening remains in a horizontal plane.

A film for semiconductor includes a support film, a second adhesive layer, a first adhesive layer and a bonding layer which are laminated together in this order. This film for semiconductor is configured so that it supports a semiconductor wafer laminated on the bonding layer thereof when the semiconductor wafer is diced and the bonding layer is selectively peeled off from the first adhesive layer when a chip is picked up. This film for semiconductor is characterized in that in the case where peel strength at 23° C. of the chip is defined as “F23 (cN / 25 mm)” and peel strength at 60° C. of the chip is defined as “F60 (cN / 25 mm)”, F23 is in the range of 10 to 80 and F60 / F23 is in the range of 0.3 to 5.5. This makes it possible to improve a pickup property of the chip, to thereby prevent generation of defects in a semiconductor element.