50results about How to "Free placement" patented technology

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.

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.

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 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.

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 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.

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.

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.