117results about How to "Inspection speed is fast" patented technology

A pattern comparison inspection apparatus comprises: a reference position selecting portion (41) which selects from among positions on an inspection target pattern a reference position which is judged whether it should be contained in an inspection region; an image comparing portion (42) which compares an image signal at the reference position with an image signal at a position located an integral multiple of a repeat pitch away from the reference position; and an inspection region setting portion (43) which sets the inspection region by containing therein the reference position when a comparison result from the image comparing portion shows a value not greater than a prescribed threshold value. Thus, in the pattern comparison inspection apparatus which performs inspection for a pattern defect by comparing repeated patterns with each other in the inspection target pattern having a repeated pattern region, the inspection region can be enlarged within the bounds of the repeated pattern region.

Improved apparatus, systems, and methods for inspecting a structure are provided that use a pedestal robot mounted on a rail system, a probe extension coupler, and an inspection probe capable of performing pulse echo ultrasonic inspection. A probe may also include sled appendages and an axial braking system to inspect over holes and off edges. A probe may also include an ultrasonic pulse echo transducer array for high rate inspection; the transducer array may be mounted in a bubbler shoe for individually coupling each of the transducers in the array. A rail system may also include an optical encoder for providing location information for the robot and axial braking system. A probe extension coupler presses the inspection probe against the structure for adjusting to changes in surface contours.

A sample is evaluated at a high throughput by reducing axial chromatic aberration and increasing the transmittance of secondary electrons. Electron beams emitted from an electron gun 1 are irradiated onto a sample 7 through a primary electro-optical system, and electrons consequently emitted from the sample are detected by a detector 12 through a secondary electro-optical system. A Wien filter 8 comprising a multi-pole lens for correcting axial chromatic aberration is disposed between a magnification lens 10 in the secondary electro-optical system and a beam separator 5 for separating a primary electron beam and a secondary electron beam, for correcting axial chromatic aberration caused by an objective lens 14 which comprises an electromagnetic lens having a magnetic gap defined on a sample side.

The method for optimizing inspection speed during optical inspection of parts in high, low and fluorescent light applications. There are described autofocus mechanisms and methods optimized for fluorescent and non-fluorescent applications that when combined with a high speed CCD camera and high numerical aperture (NA) optics, achieve superior signal to noise ratio, resolution, and inspection speed performance.

The present invention discloses a solid state detector module structure, comprising: an upper support plate and a lower support plate provided opposing to each other, a collimator provided between the upper support plate and the lower support plate for collimating the incident rays; and solid state detector arrays provided between the upper support plate and the lower support plate at the rear side of the collimator in the transmitting direction of the rays, wherein the solid state detector arrays comprises an upper and lower rows, with the upper row of the solid state detector array fixed under the upper support plate, and the lower row thereof fixed on the lower support plate. The present invention further discloses a radiation imaging system having the same. The solid state detector module structure of present invention decreases the scattering of ray beams, increases the capabilities of scattering resistance and the definition of image and enhances inspection speed compared with prior art.

The invention discloses a forest fire pre-warning method and system based on deep learning and belongs to the field of firefighting safety. The method comprises: S1, allowing an unmanned aerial vehicle to sense, in real time, temperature and humidity information of a driving area, taking a forest image of the driving area, transmitting the forest image to a ground station; synchronously transmitting locational information to the ground station; S2, judging fire pre-warning according to the temperature and humidity information, and transmitting a fire pre-warning signal to the ground station; S3, allowing the ground station to receive the fire pre-warning signal, and using a deep learning algorithm to process the forest image to obtain whether a fire is about to occur or whether fire results are present; S4, transmitting fire information to a forest management center. The temperature and humidity information is sensed and subjected to comparison; visual judgment is made on chances for afire to occur; if chances for the fire to occur are great, the forest image is processed via the deep learning algorithm; fire pre-occurrence and post-occurrence conditions can be precisely recognized; it is convenient for relevant personnel to accurately acquire fire conditions in the first place.

A non-uniform image defect inspection method includes steps of inputting an original two-dimensional image; separating a non-uniform background image from the original two-dimensional image by Discrete Cosine Transform (DCT) to obtain a residual image without the non-uniform background image; binarization segmenting the residual image to extract defects from the residual image, wherein the segmented defects are the inspection results.

A sample is evaluated at a high throughput by reducing axial chromatic aberration and increasing the transmittance of secondary electrons. Electron beams emitted from an electron gun 1 are irradiated onto a sample 7 through a primary electro-optical system, and electrons consequently emitted from the sample are detected by a detector 12 through a secondary electro-optical system. A Wien filter 8 comprising a multi-pole lens for correcting axial chromatic aberration is disposed between a magnification lens 10 in the secondary electro-optical system and a beam separator 5 for separating a primary electron beam and a secondary electron beam, for correcting axial chromatic aberration caused by an objective lens 14 which comprises an electromagnetic lens having a magnetic gap defined on a sample side.

The invention discloses a forest fire early warning method and system based on a fuzzy Bayesian network and belongs to the fire-fighting safety field. The method comprises the following steps that anunmanned aerial vehicle is equipped with a plurality of sensors to inspect a forest along a set route, senses data of a driving area in real time and sends the data to a ground station; the ground station combines the number of local sunny days and the number of flammable plants to carry out stage treatment on flammable grades, and carries out early judgment of fire warning according to temperature, humidity, smoke and gas information; the ground station receives the data of each sensor, then uses a fuzzy Bayesian network to process the sensor data, and calculates and acquires a fire occurrence probability; when the probability of the fire is high, the ground station sends a fire warning signal, whether there is the fire, a real-time situation of the fire and location information to a forest management center; and when the probability of the fire is low, the unmanned aerial vehicle flies at the same height along the set route. In the invention, a fuzzy Bayesian network algorithm is used to process the sensor data, the fire probability can be accurately calculated so that correlation personnel can accurately acquire a fire condition at first time.

The invention provides a method and a system for checking a weak password of an operating system. The method comprises the steps of scanning disc files of the operating system and obtaining user information of the operating system, wherein the user information comprises a user password and a password encryption mode; extracting the encrypted user password which corresponds with the user password; encrypting a preset weak password according to the password encryption mode for obtaining the encrypted weak password; comparing the encrypted user password with the encrypted weak password, and when the encrypted user password is same with the encrypted weak password, determining the user password as the weak password. The method and the system according to the invention have advantages of greatly improving a checking speed and a checking efficiency for the weak password, preventing triggering of a system safety mechanism, and improving an accuracy in weak password checking.

The invention discloses a trimming, flanging and side punching compound die which comprises an upper die and a lower die, wherein the upper die is provided with a trimming upper die, a flanging upper die and a side punching upper die; the lower die is provided with a nitrogen spring, a trimming lower die, a flanging lower die and a side punching lower die; the trimming upper die is provided with casting polyurethane, a pressing plate and an upper die trimming block; the trimming lower die is provided with a lower die trimming block and a cylinder ejection mechanism; the flanging upper die is provided with a concave die, a flanging block, a stripping mechanism, a stripping nitrogen cylinder, a pressing plate nitrogen cylinder, an upper die pressing plate and a hole flanging punch; the flanging lower die is provided with a convex die, a setting gage and a lower die pressing plate; and the side punching upper die is provided with a side punching punch, a polyester cyanamide pressing mechanism, a slide wedge and a roller wheel. By using the mode of the compound die, several processing procedures of trimming, flanging and side punching of workpieces made of metal plates can be completed through one set of die, once feeding is performed, the processing accuracy of the workpieces is high, the production efficiency is high, and the die cost is saved.

An inspection system and method for inspecting the surface defects of the specimen is provided. The inspection system includes a laser focus module, a microscope objective module, an image pick-up module, and a process module. The laser focus module configured to emit laser beam on the specimen by a predetermined angle relative to a surface of the specimen, and to generate scattered light and reflected light when the laser beam irradiates on the surface defects of the specimen. The process module can calculate the real size of the defects by using the intensity information obtained from the image pick-up module and the microscope objective module or using the diameter information obtained from the reflected light image while the reflected light projects on a screen.

When performing an inspection using a charge control function in a SEM wafer inspection apparatus, acceleration voltage, control voltage and deceleration voltage are changed in conjunction so that incident energy determined by “acceleration voltage−deceleration voltage” and bias voltage determined by “deceleration voltage−control voltage” do not change. By this means, charge of a wafer can be controlled, while restraining electrostatic lens effect generated near a control electrode. As a result, an inspection using a charge control function at low incident energy and in a wide viewing field can be performed, and a highly sensitive inspection of semiconductor patterns subject to damages due to electron beam irradiation can be realized. Acceleration voltage, control voltage and deceleration voltage are changed in conjunction so that incident energy determined by “acceleration voltage−deceleration voltage” and bias voltage determined by “deceleration voltage−control voltage” do not change.

The invention discloses a quick readout circuit for a two-dimensional resistive sensor array and a readout method thereof, wherein the quick readout circuit and the readout method belong to the technical field of sensors. The quick readout circuit comprises the components of a line multiplexer, a row multiplexer, a scanning controller, a first voltage feedback circuit, a second voltage feedback circuit, a sampling resistor and a testing voltage input end. In reading out, a certain row is selected through the row multiplexer; a line is selected from each of two line sets which are connected in a grouped manner through the line multiplexer; two to-be-tested sensors at crossings between the lines and the row are simultaneously selected; and the resistances of the two to-be-tested sensors are calculated according to a testing voltage, an input-end voltage of the first voltage feedback circuit, and a sampling resistance. The quick readout circuit and the readout method are based on a double-voltage feedback method; data of two sensors can be read in one time; and the speed for testing the resistance of the resistive sensor array can be improved by one time, thereby greatly improving testing efficiency.

An inspection apparatus for inspecting a subject (sample) (for example, performing identification or imaging of the subject) using an expansion coefficient with a relatively small amount of data. The inspection apparatus includes a transforming unit that performs a wavelet transform on a terahertz time waveform obtained using a terahertz wave detected by a detecting unit. In addition, the inspection apparatus includes a selecting unit that selects, from a first expansion coefficient in the wavelet transform, a second expansion coefficient stored in advance and included in the first expansion coefficient. Furthermore, the inspection apparatus includes a comparing unit for comparing a first value of the second expansion coefficient with a second value of the second expansion coefficient selected by the selecting unit.

The invention discloses a vehicle-mounted multi-rotor unmanned aerial vehicle charger which comprises an unmanned aerial vehicle body and a charging platform, wherein the charging platform comprises acharging base and a charging table arranged on the charging base; a charging slot is formed at the top of the charging table; a charging connector A is arranged in the charging slot; a charging butting device is arranged at the bottom of the unmanned aerial vehicle body and comprises a folding charging rod and an undercarriage; a charging connector B corresponding to the charging connector A in the charging slot is formed at the lower end of the charging rod; the unmanned aerial vehicle body comprises an upper housing and a lower housing; a containing slot is formed at the bottom of the lowerhousing; the charging rod is mounted in the containing slot through a rotating shaft; and the lower housing is further internally provided with a driving motor for driving the rotating shaft to rotate so as to retract the charging rod. The charger is applicable to large- and medium-sized multi-rotor unmanned aerial vehicles for line patrol, shortens a required movement distance of the unmanned aerial vehicles during charging and accelerates the patrol. The charger is quick and stable in charging butting operation, strong in operability and convenient to use.

Disclosed is a device for rapidly and comprehensively inspecting a lens actuator, the device comprising a bracket (4) for fixing the lens actuator, a cone-shaped body (2) and a camera (1), wherein the outer surface of the cone-shaped body (2) is a mirror surface, the cone-shaped body (2) is mounted on the top of the bracket (4), and the camera (1) is hung above the cone-shaped body (2). Further disclosed is a system employing the above-mentioned device for rapidly and comprehensively inspecting a lens actuator, and a method for inspecting a lens actuator by using the above-mentioned device. A rapid inspection can be realized so as to facilitate quality inspection and control in mass production, and a comprehensive inspection also can be realized, the inspection items including lens stroke, magnitude of inclination and the similar items under different control conditions.

The present invention provides an automated optical inspection and classification apparatus based on a deep learning system, comprising a camera and a processor. The processor executes a deep learning system after loading data from a storage unit and the processor, and comprises an input layer, a neural network layer group, and a fully connected-layer group. The neural network layer group is for extracting to an input image and thereby obtaining a plurality of image features. The fully connected-layer group is for performing weight-based classification and outputting an inspection result.

The present invention relates to radio RF technology, and is especially one kind of processing method for berth monitoring system. The berth monitoring system includes microwave detection module, radio transmission module, radio transceiving module, radio transmission network, image recognizing detection system, etc. It features the microwave detection system comprising at least one microwave detection module connected to radio transmission module, and the radio transceiving module in long wave digital communication mode. The present invention has the features of simple site construction, convenient installation and maintenance, no need of wiring, etc.

The invention discloses a movable efficient laryngoscope. The movable efficient laryngoscope comprises a wearing observer, a wireless data transmitter and a movable laryngoscope body, wherein the wearing observer is respectively connected with the movable laryngoscope body and the wireless data transmitter wirelessly; the wireless data transmitter is mounted on a computer and is used for receiving data signals of the wearing observer and transmitting the data signals to the computer; the wearing observer comprises a wearing rack and an observing device which is detachably arranged on the wearing rack; the wearing rack comprises a cross beam and legs; two nose pads are arranged in the middle of the cross beam; the legs are arranged on two sides of the cross beam; and the cross beam and the legs are integrated. The invention aims to provide the laryngoscope which can examine movably, can wirelessly transmit examination data to the computer, and accurately observes laryngoscope detection images through the wearing observer. By the movable laryngoscope with the wearing function, detection time can be greatly shortened, examination of medical workers to patients is facilitated, and a diseased region can be observed clearly.

A packet inspection device and method for use with a packet-retrievable network apparatus are provided. The packet inspection method includes: converting header information of a packet received into a hashing function value in presence of handshaking underway at the Transmission Control Protocol (TCP) layer and comparing the hashing function value by a hashing function unit of the pending processing module, storing the hashing function value in a memory unit, and performing packet state comparison and packet screening and then creating by the session processing module a transmission connection according to the packet screened and selected by the pending processing module upon determination that data stored in the memory unit match the hashing function value resulting from conversion by the hashing function unit, thereby expediting packet inspection, reducing occupied memory space, and cutting costs.

An apparatus for inspection of a surface of a device comprises a projection module operative to project a pattern along a projection axis of the projection module onto the device. An imaging module receives an image of the pattern reflected from the device along an imaging axis of the imaging module onto an image sensor. A lens comprised in the imaging module has a first magnification in a first direction orthogonal to the imaging axis and a second magnification different from the first magnification in a second direction orthogonal to both the first direction and the imaging axis, which produces different fields of view of the image sensor and resolutions of the image in the first and second directions.