52results about How to "Free placement" patented technology

The invention discloses a face in-vivo validation method and device. The method includes the steps that face images captured by at least two cameras are acquired; feature point registration is carried out on the face images according to preset face feature points, and corresponding feature point combinations are obtained; homography matrixes between the feature point combinations are fitted according to a preset algorithm; conversion errors of the feature points are calculated based on the homography matrixes, an error calculation result is obtained, and face in-vivo validation is carried out according to the error calculation result. According to the face in-vivo validation method and device, it is unnecessary to calibrate the cameras, calibration errors are eliminated, feature point matching is carried out directly on the captured face images, the homography matrixes are fitted, and thus the calculation amount of an in-vivo discrimination algorithm can be reduced; besides, the cameras can be freely placed, and thus the flexibility and convenience of in-vivo discrimination can be improved.

The invention discloses an external parameter calibration method used when a camera and a two-dimensional laser range finder are used in a combined mode and relates to three-dimensional information image processing of objects. According to the external parameter calibration method used when the camera and the two-dimensional laser range finder are used in the combined mode, a foldable calibration plate is used for achieving external parameter calibration when the camera and the two-dimensional laser range finder are used in the combined mode, the foldable calibration plate is a long plane which is formed by splicing small rectangular black planes and small rectangular white planes alternately and can be unfolded and folded, the foldable calibration plate is unfolded when used, and the unfolding angle can be adjusted freely; calibration of internal parameter of the camera is achieved by means of a Matlab camera calibration tool box; a camera and two-dimensional laser range finder system is established; the foldable calibration plate is placed, and calibration is completed under the condition that the number of times of information acquisition of a system is smallest; image information and two-dimensional information are acquired and processed by the camera and the two-dimensional laser range finder respectively; processed camera information and processed two-dimensional laser range finder information are matched in a one-to-one mode for combined calibration; a calibration result is optimized by means of the Levenberg-Marquardt algorithm, and then calibration is completed.

The invention discloses an intelligent shared knee. Through the intelligent shared knee, ID bike information acquisition and automatic locking can be carried out on bikes (comprising shared bikes and electric bikes) at preset positions; the bike ID information and knee ID information are bound and the uploaded to a sharing control server; and unlocking instructions sent by the sharing control server on the basis of the bound data of the bike ID information and the knee ID information can be received to unlock the bikes at the preset positions. The intelligent shared knee has the technical benefit that the intelligent shared knee can be arranged at any suitable place, and the arrangement place and quantity are controllable, so that the bikes of different bike operators can be uniformly, intensively and freely arranged, and then a series of problems such as disorderly bike arrangement, manmade damage and the like can be effectively avoided. The invention furthermore discloses a bike sharing management system and method and the sharing control server.

A document capture arm connected to an imaging device and positionable over a platen for retaining a document on the platen for imaging. The document capture arm holds one or more documents against the platen in a selected position or arrangement. The document capture arm may be configured as an arm that may insert into a receiver. The document capture arm may be easily installed for use and may be easily removed for storage when not needed. Alternately, the document capture arm may include an actuator that is attached to and extends from the arm, projecting beyond the axis of rotation of the platen cover at the hinge. When the platen cover is lifted to an open position, the capture arm actuator is acted upon by the platen cover, lifting the document capture arm to an open position.

The invention discloses a multifunctional built-in cooking machine, comprising a base and a machine body capable of moving and separating relative to the base, wherein the base is internally provided with a first transmission device and a first coupling device; the machine body is internally provided with a second transmission device corresponding to the first transmission device, a second coupling device connected with the first coupling device and electrically coupled therewith, a pulverizing device and a heating device; the base is connected to an external power supply and is used for providing power for the heating device into the machine body via the first coupling device and the second coupling device; the first transmission device is connected to the second transmission device and is used for driving the pulverizing device to move via the second transmission device. Such multifunctional cooking machine is not only featured in small volume but also in multiple food processing functions, which greatly reduces the quantity of electrical appliances in the kitchen. Moreover, such cooking machine can be built in the spare space of the electrical appliances in the kitchen or in the wall or in the kitchen cabinet so that more space is saved for the kitchen.

A pest killing device capable of preparing fertilizer by use of pests comprises solar cell panels, a storage battery and a crushing cutter, wherein the solar cell panels are connected with a transverse plate through vertical rods, and the storage battery is arranged on the upper surface of the transverse plate; a trap lamp is arranged on a lower surface of the transverse plate; high-voltage electric poles distributed uniformly in the circumference are arranged on the periphery of the trap lamp; screw rods are arranged on two sides of the high-voltage electric poles, one end of each screw rod is connected with a first variable frequency motor, and the other ends of the screw rods are connected with a pest collection hopper through bearings; the screw rods and the high-voltage electric poles are sleeved with a cleaning board; the lower side of the pest collection hopper is communicated with a pipeline, and the crushing cutter is arranged in the pipeline; a centrifugal disc is arranged below the pipeline. The high-voltage electric poles and the trap lamp are automatically cleaned by means of the arranged cleaning board, the killing effect of the high-voltage electric poles and the pest trapping effect of the trap lamp are kept, the pests are crushed and then scattered by means of a crushing mechanism and a centrifugal scattering mechanism, the soil fertility is increased, manual cleaning is not required, and time and labor are saved.

The invention relates to a shared bicycle management system. The shared bicycle management system comprises a server, a user client and a shared bicycle and is characterized in that the shared bicycleis provided with a bicycle lock, inside which is provided with a controller; the controller is connected with a first wireless communication module and a positioning module, wherein the positioning module is used for acquiring positioning information of the shared bicycle with the bicycle lock; the controller is communicated with the server through the first wireless communication module; the server comprises a second wireless communication module for establishing network connection between the server and the user client; the controller is also connected with a voice module; the controller isused for, when receiving a locking instruction, controlling the positioning module to position the shared bicycle and transmitting the positioning information and the basic information of the lockedshared bicycle to the server through the first wireless communication module, and meanwhile, controlling the voice module to issue voice prompt.

The invention discloses an automatic dispensing method and device based on machine vision. The method comprises the following steps: controlling a camera to acquire characteristic information and orientation information of a workpiece on a conveyor belt, wherein the characteristic information comprises the color, size and outer contour information of the workpiece; determining a pre-dispensing path corresponding to the workpiece according to the characteristic information; determining a corresponding actual dispensing path according to the pre-dispensing path and the orientation information, wherein the actual dispensing path at least comprises a dispensing starting point and a dispensing ending point; controlling the relative distance of the movement of the conveyor belt so as to move theworkpiece to the position below a glue dispenser; and controlling the glue dispenser to work according to the actual dispensing path. The automatic dispensing method uses the automatic dispensing method. The automatic dispensing method and device based on machine vision can realize unattended dispensing operation of various workpieces.

The invention provides a decorating lamp based on magnetic coupling resonant mode wireless energy transmitting technique. The lamp solves problem of put limitation caused by the present decorating lamp needing a lead wire connection. The decorating lamp is composed of a resonant receiving loop, a resonant receiving capacitance and a first, a second LBD, the resonant receiving loop and the resonant receiving capacitance are connected in parallel or in series, an cathode of a first LBD connects with an anode of the second LBD, then connects with one end of the resonant receiving capacitance, the anode of the first LBD connects with the cathode of the second LBD, then connects with another end of the resonant receiving capacitance, the decorating lamp locates in an emitter region of an emitter source with an enhancer, the decorating lamp amount is at least one. The decorating lamp is suitable for multi-location need the decorating lamp, such as Christmas tree.

A dual-purpose exercise equipment includes a spin bike, a bicycle after removal of a rear wheel thereof, and a linking device arranged at one side of an axle of a flywheel of the spin bike and coupled with the bicycle. Thus, an individual user can selectively ride the spin bike or bicycle of the dual-purpose exercise equipment. Alternatively, two users can ride the spin bike and the bicycle respectively at the same time, enjoying riding a tandem bicycle.

A double clutch transmission with two clutches with input sides connected to a drive shaft and output sides each respectively connected to one of two transmission input shafts disposed coaxially to one another. At least two countershafts are provided upon which toothed idler gearwheels are mounted in a rotatable manner and toothed fixed gearwheels are disposed on the two transmission input shafts in a rotationally fixed manner. At least one shift element is provided for connecting two idler gearwheels in a rotationally fixed manner such that at least several power shiftable forwards gears and / or at least one reverse gear can be shifted. A maximum of six gear planes are provided so that at least one power shiftable winding path gear can be shifted using the at least one shift element.

The invention discloses an intelligent high-speed photographic apparatus. The high-speed photographic apparatus has a contact-type operation mode and a non-contact operation mode; and the two operation modes can enable the high-speed photographic apparatus to be used flexibly. The operation modes of the high-speed photographic apparatus can be switched through an operation mode switching button. Under a non-contact operation mode, a user, in the distance, needs to face to an auxiliary camera to finish face identification and make a certain gesture to finish gesture verification; and after dual verification is finished successfully, the high-speed photographic apparatus controls a main camera to shoot pictures, thereby realizing non-contact operation, and bringing great convenience to the user.

The invention provides a variable-direction monitor, including a base and a display panel. The base contains a first connector. The display panel contains a second connector, and is installed on the base in a removable mode in a vertical axis direction, making the display panel able to select to be installed on the base in a first or second direction on a horizontal axis, and the two directions are opposite; where, the display panel is installed on the base in the first direction, the first connector contacts the second one, electrically.

The invention relates to an illuminating light source for an unmanned aerial vehicle to shoot. The illuminating light source comprises a light source. An optical fiber coupling lens is arranged on one side of the light source, an optical fiber is arranged on one side of the optical fiber coupling lens, and the optical fiber coupling lens is used for coupling light sent by the light source to the optical fiber; a light emitting end of the optical fiber is also connected to a light emitting lens which is fixed on a camera of a platform of the unmanned aerial vehicle for controlling the light emitting angle of the optical fiber to play a light receiving role. Compared with the prior art, according to the technical scheme, light of the light source is conducted to the camera on the platform of the unmanned aerial vehicle, so that the illuminating light source can rotate along with rotation of the camera, and finally, the illuminating surface and the shooting surface are overlaid all the way and will not be separated along jittering of the unmanned aerial vehicle during flight in air. The illuminating light source is free from limitation of the shooting camera and can be freely placed in an appropriate part of the unmanned aerial vehicle, so that design and heat dissipating design of the illuminating light source are further facilitated.

The invention discloses a stand-alone double-table and multi-station automatic printed circuit board (PCB) exposure equipment and exposure method. The stand-alone double-table and multi-station automatic PCB exposure equipment comprises a PCB cleaning machine, a PCB exposure machine, two manipulators, a to-be-exposed stock bin and an exposed stock bin; and the exposure method comprises the following steps: (a) one manipulator puts a PCB on the PCB cleaning machine from the to-be-exposed stock bin; (b) the PCB is cleaned by the PCB cleaning machine; (c) after cleaning is ended, the manipulator puts the PCB on a first station for carrying out a front exposure on the PCB from the PCB cleaning machine; (d) after the exposure is ended, the manipulator takes out the PCB and transfers the PCB to the other manipulator; (e) the other manipulator puts the PCB on a second station for carrying out a reverse exposure on the PCB; and (f) after the exposure is ended, the other manipulator puts the PCB of which the front and reverse surfaces are exposed on the exposed stock bin. Cleaning and exposure of the PCB are operated by the manipulators, so that the efficiency is improved; the capacity is improved; a board putting error cause by human factors is reduced; the board putting accuracy is improved; the stability of the multi-dimensional manipulators is high; and the mean time to failure of a complete set of system is short.

A two-way valve has a valve mechanism comprising a displacement mechanism for opening and closing a fluid passage by an action of a pilot pressure from a pilot port. The pilot port is formed on an annular member disposed between a body and a bonnet and is rotatable circumferentially by the annular member.

A double clutch transmission with two clutches (K1, K2) which each have input sides connected with an input shaft (w_an) and output sides respectively connected with one of two coaxially arranged transmission input shafts (w_k1, w_k2). At least two countershafts (w_v1, w_v2) are provided on which are mounted idler gearwheels (8, 9, 10, 11, 12, 13, 14, 15) while, on the two transmission input shafts (w_k1, w_k2), are mounted fixed gearwheels (1, 2, 3, 4, 5). At least several power-shiftable forward gears and at least one reverse gear are shiftable by the transmission. Five gear planes (8-12, 9-2, 3-13, 10-14, 11-15) are provided so that at least one power-shiftable winding path gear can be shifted via at least one shift element (M).

A double clutch transmission with two clutches with input sides connected to a drive shaft and output sides each respectively connected to one of two transmission input shafts arranged coaxially with each other. At least two countershafts on which toothed idler gearwheels are rotatably supported. There are toothed fixed gearwheels arranged on the two transmission input shafts in a rotationally fixed manner. At least one first shift element is provided for connecting two idler toothed gears in a rotationally fixed manner whereby at least several power-shift forward gears at least one reverse gear are capable of being implemented. There are a maximum of seven gear planes so that at least one winding path gear is shifted with a disengaged first output coupling device that is allocated to the first power take-off gear.

An embedded multifunctional food processor comprises a base and a body capable of being separated movably relative to the base. A first drive device and a first coupling device are arranged in the base. A second drive device, a second coupling device, a grinding device and a heating device are arranged in the body, the second drive device is arranged corresponding to the first drive device, and the second coupling device is connected and electrically coupled with the first coupling device. The base is connected with an external power source, and supplies power for the heating device in the body through the first coupling device and the second coupling device, the first drive device is connected with the second drive device, and the second drive device drives the grinding device to move. The multifunctional food processor is small in size and has multiple food processing functions so that the quantity of electric kitchen appliances is reduced greatly; the multifunctional food processor can be embedded into spare space of the electric kitchen appliances or walls or cupboards so that kitchen space is saved further.

The invention discloses a safety protection netting for buildings, The device comprises a base, self-locking universal wheels are arranged at the four corners of the lower end of the base, two U-shaped fixing blocks are symmetrically arranged at the upper end of the base, a rotating shaft is arranged in the U-shaped opening of each U-shaped fixing block, the rotating shaft is sleeved with a standcolumn, the stand column and the U-shaped fixing block are fixed through a locking mechanism, an annular sleeve capable of moving up and down is arranged at the upper end of the stand column in a sleeved mode, a netting body is arranged between the two annular sleeves, the lower end part of the netting body is fixed with the base, a placing groove is formed in the upper end part of the stand column, a rotating rod is rotationally connected to the notch of the placing groove through a rotating shaft, and a hooking device is arranged between the rotating rod and the netting body. According to the safety protection netting, the movement mode is adopted, free movement and placement can be realized, the flexibility is high, a certain resisting effect can be achieved when some objects are dropped on the building, and a certain risk is reduced.

The invention relates to automatic fitness and rehabilitation equipment with comprehensive functions. The automatic fitness and rehabilitation equipment with comprehensive functions comprises a fitness plate; parts, close to the four corners, at the bottom of the fitness plate are in threaded connection with four lockable universal wheels; the right side wall of the fitness plate is in threaded connection with a baffle; a fixed block is fixedly arranged at the position of the included angle formed by the baffle and the fitness plate; the fixed block is provided with a through hole; the throughhole is connected in series with a human chest fixing soft rope; a part, close to the baffle, on one side wall of the fitness plate is in threaded connection with a control cabinet; a liquid crystaldisplay screen, an input key and a plug are fixedly arranged on the control cabinet; parts, close to the human chest fixing soft rope, on the two side walls of the fitness plate are in threaded connection with two symmetrical supporting blocks; and the base surfaces of the two supporting blocks are in threaded connection with a fixing frame. The automatic fitness and rehabilitation equipment withcomprehensive functions is simple and compact in structure and high in usability, realizes automation and multiple functions and saves the placing space of various kinds of equipment.

The invention discloses an aerodynamics-based spontaneous device for catching water from air, and the device solves the problem that water resources cannot be efficiently utilized in the prior art, and has the effects of being capable of catching the water by natural wind and temperature difference and being low in cost and high in efficiency and having no pollution. According to the technical scheme, the device comprises a wind circulating device and a water energy catching device; the wind circulating device includes a lift-type blade set; the water energy catching device comprises wind circulating blades connected with the lift-type blade set and arranged in a shell; a condensation pipeline is connected below the wind circulating blades; the shell is provided with gas flowing holes; under the wind action, the lift-type blade set is capable of driving the wind circulating blades to rotate, and the air enters the shell under the double dynamic of pressure difference and the rotation of the wind circulating blades; and after being condensed by the condensation pipeline, steam in the air can be collected by a collecting water tank fixed to the lower end of the condensation pipeline.

The invention discloses a camera calibration method and a measurement method based on a binocular measurement device. The calibration method comprises the following steps: respectively acquiring display pictures of the same monocular optical module through two cameras, and calculating a deviation between the two display pictures according to feature points at the same positions of the two displaypictures to serve as a physical error between a first camera and a second camera; the physical deviation is used for a binocular measuring device to measure compensation of optical parameters of the wearable near-to-eye display device, and finally the parallax value of the two monocular optical modules of the wearable near-to-eye display device to be measured is obtained. The method is simple andeasy to implement, the binocular camera can be quickly measured and calibrated, and the optical parameters, such as the image combination degree, of the wearable near-to-eye display equipment can be quickly measured, so that more comfortable use experience is provided for a user.

A lighting system comprises a primary luminaire and a secondary luminaire each having a light source. Electrical power can be transmitted wirelessly via an inductive wireless power transmission from the primary to the secondary luminaire. Electrical power can also be transmitted wirelessly via an RF wireless power transmission from a RF wireless power transmitter to both luminaires. Energy can be stored in energy storage means. Thus, true wireless lighting can be achieved.

The invention provides a pedal device and an injection pump comprising the pedal device. The pedal device comprises a horizontal plate, an inclined plate connected with one end of the horizontal plateand obliquely arranged in a manner of forming an included angle theta with the horizontal plate, at least one elastic pedal part arranged on the horizontal plate in the area of the included angle theta, and at least one elastic foot top part arranged on the inclined plate. The distance between the joint of the horizontal plate and the inclined plate and the foot top part is not smaller than thatbetween the joint and the pedal part, and theta is greater than 0 degree and smaller than 90 degrees. The signal output ends of the pedal part and the foot top part can be respectively connected withthe signal input end of an external device. According to the pedal device, the two control modes can be triggered only by operating the pedal part downwards through the tiptoe and operating the foot top part upwards through the tiptoe without changing the position of the foot, the occupied space is small, and the arranged pedal part and foot top part are very easy to distinguish in the using process and are not prone to being stepped by mistake.

The present invention relates to the field of fluid machines. In particular, the present invention concerns a centrifugal electric pump (1) for suction of aeriform fluids comprising: - an electric motor (2) provided with a rotating shaft (3); - a suction body (4) provided with an intake (5) for the aeriform fluid and with at least one exhaust port (6); - at least one fan (8), fitted onto said shaft (3) and driven in movement by said motor (2), adapted to draw in a flow of air from said intake (5), spin it and discharge it outside said suction body (4) through said at least one exhaust port (6), wherein said electric motor (2) comprises: - a rotor with windings (9); - a stator (10) adapted to create a magnetic field inside which said rotor (9) rotates, and wherein said stator (10) is of the type with permanent magnets and said rotor (9) rotates at a high number of revolutions.

A magnetic field modem (26) includes an electro-magnetic radiation shielded (90) transmitter section (34) and a receiver section (36). The electro-magnetic radiation shielded (90) transmitter section (34) modulates data and transmits the data via a magnetic field through a radio frequency shield (20). The receiver section (34) receives the magnetic field through the radio frequency shield (20) and demodulates the data. The transmitter section includes an oscillator (40), a modulator (50), an amplifier (70), a magnetic transducer (80), and a non-ferrous magnetic shield (90). The oscillator (40) generates a carrier signal. The modulator (50) connects to the oscillator (40) and modulates the carrier signal with the data. The amplifier (70) connects to the modulator (50) and amplifies the modulated carrier signal. The magnetic transducer (80) connects to the amplifier (70) and converts the modulated carrier signal into a modulated magnetic signal. The non-ferrous magnetic shield (90) shields the magnetic transducer (80) and blocks emitted electro-magnetic radiation.

This invention relates to an image scanner used between a computer system and a scan object including: an optical computer module for converting the image of the object to digital image data, a radio signal emit device integrated to the optical computer module receiving the digital image data and modulating it to a radio signal to be transmitted and a radio signal receiving device set outside of the module and connected on the computer system receiving said radio signal to be demodulated to digital image data and input to said computer system.