38results about How to "Precise position detection" patented technology

The present invention provides an air conditioner, capable of accurately detecting position of an obstacle by reducing affect of airflow to the utmost when a distance between the air conditioner and the obstacle is detected by an ultrasonic sensor so as to improve comfortability. An indoor unit of the air conditioner is provided with an indoor fan for conveying sucked indoor air, wind direction changing fins for changing the direction of the air discharged from a blow-out port, and an obstacle detection device having the ultrasonic sensor for detecting whether or not there are obstacles, wherein the wind direction changing fins are controlled according to the detection result of the obstacle detection device. In addition, if left and right wind direction changing fins face to the detection direction of the ultrasonic sensor when the indoor unit is operated and the obstacle detection device detects obstacles, the facing directions of the left and right wind direction changing fins are changed to be different from the detection direction of the ultrasonic sensor.

The invention discloses a text recognition method and device, electronic equipment and a storage medium. The method comprises the steps of obtaining a to-be-recognized text image; extracting a featuremap of the to-be-recognized text image based on a pre-constructed text detection network, and performing text pixel classification on the fused feature map to generate at least one candidate textbox,the text detection network comprising a first feature extraction layer, a second feature extraction layer and a third feature extraction layer, the second feature extraction layer up-sampling an output result of the first feature extraction layer, and the third feature extraction layer down-sampling an output result of the second feature extraction layer; and according to a preset target text format, screening the candidate textboxes to obtain a target textbox, and identifying the target textbox to obtain an identification result. Based on this, the high-resolution information of the low-level features and the high-semantic information of the high-level features can be utilized at the same time, so that text pixel position detection is more accurate, and the text recognition accuracy andefficiency are improved.

The embodiment of the invention provides a method and device for detecting P-wave and T-wave in an electrocardiogram (ECG) signal. The method comprises the following steps: respectively extracting a wave crest signal and a wave trough signal from the ECG signal to be detected by using a wave crest extraction operator and a wave trough extraction operator, and determining a sum signal of the wave crest signal and the wave trough signal as an intermediate signal; for a starting point position of each original R-wave in the intermediate signal, searching whether a wave crest and / or a wave trough exist(s) or not in a first signal interval range in front of the starting point position, and determining the position of P-wave in the first signal interval range according to the search result; searching whether a wave crest and / or a wave trough exist(s) or not in a second signal interval range behind the starting point position, and determining the position of T-wave in the second signal interval range according to the search result. With the technical scheme provided by the invention, the accurate position detection of P-wave and T-wave in the ECG signal is realized; meanwhile, the detection process of the method is simple, and the detection efficiency is effectively improved.

The monitoring device (100) for a weaving machine (2) comprises at least one camera apparatus (20) and a weft-thread beat-up device (1), wherein the weft-thread beat-up device (1) comprises at least one reed (17) and / or a batten (13) and the reed (17) and / or the batten (13) extends in a longitudinal direction (LA1, LA2) of the weft-thread beat-up device (1). The at least one camera apparatus (20) is fastened to the weft-thread beat-up device (1) and comprises a plurality of sensor elements arranged adjacent to one another. The camera apparatus (20) is designed to record an image by means of the sensor elements, wherein the sensor elements are arranged in a row that extends substantially parallel to the longitudinal direction (LA1, LA2) of the weft-thread beat-up device (1).

An input pen (60) of the present invention is an input pen used for performing an input to a touch-panel-integrated liquid crystal display device (100) (display device). The liquid crystal display device (100) includes a plurality of photosensitive elements (30) that senses light transmitted through a panel surface. The photosensitive elements (30) detect a position of input by sensing an image on a surface of a display panel. The input pen (60) includes a retroreflective element (61) at its tip that is to be in contact with the display panel. The retroreflective element (61) is made up of a spherical glass (62) (spherical transparent member) and an elastic reflective element (63). In this way, it is possible to provide an input pen which is to be used with a touch-panel-integrated display device and which makes it possible to perform a more accurate position detection.

A method is proposed for using the capacity of a facility at a ski area, a trade fair, an amusement park, or a stadium, within the scope of which the current position and the motion profile of all persons present in a region of the facility of the ski area, the trade fair, the amusement park, or the stadium is detected. A people map is provided on a server which corresponds to the spatial distribution of the persons, and by the spatial distribution of persons as a function of time, a motion profile of the persons is provided. Depending on the current position of the present persons, the motion profile of the present persons, and the current use of the facilities, all or individual persons obtain information generated by the server that can effect a redirection of the persons, so that use of a capacity of the facility can be optimized.

A process for forming magnetic targets for position and speed sensors, and magnetic targets formed according to the process. The targets are formed on a conductor-clad substrate by first applying a layer of photoresist material and then patterning and etching the photoresist to form trenches defining the shape and dimensions of the targets. Magnetic material is formed in the trenches and magnetized to form the targets.

A device for detecting the position of a first or second vehicle to be coupled together, having a sensor device which can be arranged on the first or second vehicle and which detects at least one reference point of the other second or first vehicle using sensors. A device for detecting the position of a first or second vehicle to be coupled together, said device allowing an operationally reliable and precise coupling regardless of present environmental influences. The sensor device has at least one transceiver unit, and the at least one reference point can be equipped with a transponder which reflects a radio signal of the transceiver unit.

The invention relates to the gear processing field, in particular to a processing technology of a high-speed injection gear, sensing devices are arranged in a gear die and a gear forming machine, various data indications in the gear processing procedure are measured and counted in time, and the gear processing procedure is controlled according to the data indications, thereby producing the high-speed injection gear with high precision, low cost, and long service life.

The invention discloses a four-wheel adjusting type vehicle parking automatic deviation rectifying device and a deviation rectifying method of the four-wheel adjusting type vehicle parking automatic deviation rectifying device, and belongs to the field of parking equipment. The automatic deviation rectifying device comprises a deviation rectifying actuating mechanism assembly and a position detecting mechanism assembly, wherein the deviation rectifying actuating mechanism assembly utilizes four sets of rolling deviation rectifying modules to cooperate with a lateral adjusting mechanism to achieve deviation rectifying adjustment of the parking position of a vehicle, the structure design is simple and compact, and the deviation rectifying action is more stable and reliable; the position detecting mechanism assembly detects the parking position of the vehicle by using a distance sensor capable of doing ascending and descending movement, the distance deviation of the same side of the vehicle is detected by the distance sensor to determine the torsion angle required to be adjusted, and the deviation distance of the front-rear direction or the left-right direction of the vehicle is determined by the detection value of the distance sensor on the opposite side, so that the vehicle position detection is comprehensive and accurate, the use cost is lower, and the parking of the vehicle isnot influenced. Good data support is provided for automatic deviation rectifying of the vehicle, and accuracy and stability of deviation rectifying adjustment of the vehicle are improved.

The invention relates to an automatic welding method based on a three-dimensional model and machine vision and a welding device based on the three-dimensional model and the machine vision, relating to the technical field of welding. An industrial camera is used for acquiring an image of a workpiece to be welded; three-dimensional match is carried out and the workpiece to be welded is positioned according to the three-dimensional model of the workpiece; a welding line is positioned according to welding line information in the three-dimensional model; the welding line is accurately positioned by using a structure optical sensor; a movement track of a welding gun is adjusted according to the accurate position of the welding line so as to accurately track and weld the welding line. According to the automatic welding method, an automatic positioning and tracking function of the welding line can be realized, and the reliability of tracking the welding line and the tracking precision are improved. The problems that the welding precision is influenced, caused by the fact that the workpiece is warped by thermal deformation in a welding process and the like are solved; the adjustment and the adaptation can be carried out very well and the welding quality is improved.

The invention relates to a position sensor (100) for an electronic position measuring device (1000), said position sensor (100) comprising a signal generation device (110) for generating a periodic magnetic signal (S), and an electric power supply device (120) for supplying the signal generation device (110) with electric energy. The position (x) of the position sensor (100) is determined by means of the position measuring device (1000).

The invention relates to the bill processing field, especially to a bill position detector. The detector comprises an emission sensor, a light guide wheel and a reception sensor; the emission sensor emits infrared light; the light guide wheel is arranged in the emission direction of the infrared light, so that the infrared light emitted by the emission sensor irradiates the light guide wheel; and the reception sensor is arranged adjacent to the emission sensor. When a bill penetrates the emission sensor and the light guide wheel, the infrared light emitted by the emission sensor irradiates the light guide wheel and then returns from the light guide wheel, the reception sensor receives the returned infrared light, and generates a position signal, and the position of the bill can be detected accurately in real time.

The invention discloses an automobile sensor assembling device which comprises a rack, wherein a supporting table is mounted on the rack through a machine table, 12 sets of sensor fixing base structures are uniformly mounted at the peripheral side of the supporting table, a rotary assembling supporting table is mounted at the middle side of the rack and penetrates through the supporting table, and a sensor feeding mechanism, a spring feeding mechanism, a product confirming mechanism, a dispensing mechanism and a spring assembling mechanism which correspond to the sensor fixing base structures are uniformly arranged at the peripheral side of the rotary assembling supporting table. The automobile sensor assembling device is advantageous in that the automation degree is high, sensors and sensor springs are automatically fed, the feeding efficiency is high, feeding is accurate, the dispensing mechanism is adopted to perform dispensing and assembling, the assembling is stable, a CCD camera detects the sensors, position detection of the sensors is accurate, the assembling efficiency is high, the automation degree is high, and the production cost of enterprises is reduced.

A reference voltage generator circuit generates a reference voltage corresponding to a power supply voltage. A current / voltage converter circuit converts a photocurrent output by a photoreceiver intovoltage, and outputs a voltage obtained by adding the converted voltage and the reference voltage. A sample and hold circuit holds a voltage of a capacitor in response to a sample and hold signal, thecapacitor having the voltage input at one end and the reference voltage input at another end. An amplifier circuit outputs an output signal where a voltage held by the sample and hold circuit is amplified with the reference voltage as a reference.

The invention discloses a rail safety detection method based on a first-order direction gradient operator, and relates to the field of rail position detection algorithms. The invention discloses a rail position detection system. According to the method, the problems that the running track of the train cannot be detected in an all-weather and autonomous mode, faults occur easily, when no stable network signal exists or the train is in a severe natural environment, a whole set of detection system can be paralyzed, dangerous factors are contained, accidents of the train can be caused seriously, and irreparable losses are caused are solved. The image has a part which is not a rail but also conforms to the data distribution rule. Therefore, more false detection points exist on the three edge feature maps. By filtering the fused feature map and using an isolated point removal method, a morphological processing method and the like to remove the detection result except the rail target to the maximum extent. A first derivative is calculated for the edge of the contour detection result, and a judgment is made whether the contour detection result contains curve information or not according to the first derivative result. The method is suitable for detecting the track position.

The invention discloses a magnetic-gas position detection device. The magnetic-gas position detection device comprises a main body, an upper cover, a valve body, a diaphragm, a magnetic sheet, a valve element, a spring seat, a telescopic spring, a first containing cavity, a second containing cavity, a first through hole, a third containing cavity, second through holes, a fourth containing cavity, an exhaust opening, a gas supply opening, a signal opening, a valve hole, a magnetic ring and an annular groove, wherein the bottom of the main body is fixedly connected with the outer wall of an air cylinder, the outer edge of the top of the main body is fixedly connected with the outer edge of the bottom of the upper cover, the inner edge of the bottom of the upper cover makes contact with the outer edge of the top of the valve body, and the outer edge of the bottom of the valve body makes contact with the outer edge of the top of the diaphragm. According to the magnetic-gas position detection device, by detecting strong magnetic signals of the magnetic ring arranged on a piston, converting the strong magnetic signals into air pressure signals and outputting the air pressure signals, the motion position of the air cylinder is detected, no electric power is needed, limiting conditions are few, the applicability is high, the magnetic-gas position detection device can be applied to special occasions with anti-explosion requirements and the like, the structure is simple, detection is accurate, and the cost of a pneumatic system is low.

The invention discloses a road bayonet vehicle position detection method, which relates to the technical field of security check, and adopts the technical scheme: acquiring a vehicle video through a camera located at the side part of a vehicle; performing frame extraction on the acquired video to obtain a vehicle side picture, and performing unified processing on the picture; recognizing the position of the vehicle through the obtained picture by using a vehicle side recognition model; and classifying vehicle position states by using a vehicle position classification model. The beneficial effects of the invention are that the method achieves the more accurate detection of the position of a vehicle at a road gate through combining the vehicle side recognition model and the vehicle position classification model, and is higher in automation degree of a verification task. In addition, under various scenes, vehicle departure can be accurately found, and better fault tolerance is achieved. A better triggering mechanism is provided for allocating a verification task to the vehicle in combination with the existing vehicle verification area.

The embodiment of the invention provides a method and device for detecting P-wave and T-wave in an electrocardiogram (ECG) signal. The method comprises the following steps: respectively extracting a wave crest signal and a wave trough signal from the ECG signal to be detected by using a wave crest extraction operator and a wave trough extraction operator, and determining a sum signal of the wave crest signal and the wave trough signal as an intermediate signal; for a starting point position of each original R-wave in the intermediate signal, searching whether a wave crest and / or a wave trough exist(s) or not in a first signal interval range in front of the starting point position, and determining the position of P-wave in the first signal interval range according to the search result; searching whether a wave crest and / or a wave trough exist(s) or not in a second signal interval range behind the starting point position, and determining the position of T-wave in the second signal interval range according to the search result. With the technical scheme provided by the invention, the accurate position detection of P-wave and T-wave in the ECG signal is realized; meanwhile, the detection process of the method is simple, and the detection efficiency is effectively improved.

The invention relates to a position sensor (100) for an electronic position measuring device (1000), wherein the position sensor (100) has a signal generating device (110) for generating a periodic magnetic signal (S) and Power supply means (120) for supplying power to said signal generating means (110). The position (x) of the position sensor (100) is determined by the position measuring device (1000).

The embodiment of the invention discloses an information processing method and an information processing system, which are applied to electronic equipment, wherein the electronic equipment at least comprises a first panel, and a display unit and at least one image collecting device are arranged at a first side of the first panel. When the first panel is inclined on a plane, the at least one image collecting device is located under the display unit. The method comprises: collecting images of an object to be recognized and the plane by the at least one image collecting device; determining whether the object to be recognized is in contact with the plane or not according to the collected images; if it is determined that the object to be recognized is in contact with the plane, detecting position change information of the object to be recognized; and triggering corresponding operation according to the position change information of the object to be recognized. When a user needs to control the electronic equipment via a gesture, the electronic equipment can only be controlled by performing corresponding gesture change on a placing plane of the electronic equipment rather than performing suspended gesture change. The information processing method, the information processing system and the electronic equipment of the invention are convenient for being operated by the user so that the user is not easy to feel fatigue.

The present invention provides an elevator apparatus, capable of being controlled to run when there is an earthquake even though a detector used in common is fault. A first (used under normal condition) detector is arranged in an elevator car running in a lifting channel, a first (used under normal condition) parking position detecting body is arranged on a parking position of the elevator car onthe lifting channel side in a projecting manner such that the first detector detects the parking position of the elevator car when it faces to the first detector. In the elevator apparatus capable ofbeing controlled to run by an earthquake detector when there is an earthquake, a second (used under emergent condition) wide detector is arranged in the elevator car, and a second (used under emergent condition) parking position detector is arranged on a position facing to the second detectoron the lifting channel side, when the earthquake detector plays a function of switching so as to use the second detector in control.

The invention relates to an intelligent electromobile management system, which comprises a background server, an electromobile, a controller arranged on the electromobile and a GPS navigation positioning module, wherein the GPS navigation positioning module is electrically connected with the controller, the controller is in communication connection with the background server. The system is characterized in that: a vibration sensor which is electrically connected with the controller is also arranged on the controller, a geographic information service platform which is in communication connection with the background server is also provided for correcting the driving track segment detected by the GPS navigation positioning module to the effective path. The position detection of the intelligent electromobile management system is more accurate. In addition, the invention also provides a driving track monitoring method of the intelligent electromobile management system with more accurate position detection.

The invention relates to a servo tool magazine and its tool change control method, characterized in that: the servo tool magazine includes: a tool magazine body, a cam mechanism, a knife arm structure, an ATC shield, an ATC tool change mechanism, an ATC reducer, an ATC servo Motor, cam positioning sensor, fixed seat of tool magazine reducer, tool magazine reducer, tool magazine servo motor, control box, tool magazine rear cover, disc cutter head unit, origin sensor, tool magazine front cover, reversing knife Cylinder group, knife reversing micro switch, cutterhead mandrel, knife sleeve structure, reversing knife positioning seat, servo driver, high-definition pinhole camera and X-ray pinhole camera are installed at the rear of the ATC shield for detecting the Optical images and X-ray images of the gripper are taken. The machine vision technology that compares the optical image and X-ray image of multiple position detection devices with the standard image is accurately detected to ensure the accuracy of tool replacement. At the same time, a neural network model is established to control the operation of the ATC servo motor in real time through image recognition, making the position control of the knife arm more intelligent and precise.

The invention relates to a safety belt fastening device. The safety belt fastening device comprises an inversed-L-shaped swing arm arranged on one side of a seat. The swing arm comprises a connecting end connected with the seat and a swing end. The connecting end is located on a vertical arm body of the swing arm, and the swing end is located on a transverse arm body of the swing arm. The swing end has a containing position where a safety belt is contained and a releasing position where the safety belt is released in the swing stroke of the swing end. When the swing end is located at the containing position, the swing arm is located above the back of a backrest or located right above the backrest to contain the safety belt. When the swing end is located at the releasing position, the swing arm is located in front of a passenger to release the safety belt. A control-separable combining device is arranged at the swing end and used for being connected with the safety belt in a separable manner. An assembling part connected with a power mechanism in a transmission manner is arranged at the connecting end. As the safety belt is driven by the swing arm to swing, the safety belt fastening device has the wide applicability and can be generally applicable.

A lens barrel includes a lens moving frame configured to hold an image pickup lens; a barrel member configured to support the lens moving frame for back and forth linear movement along the direction of an optical axis of the image pickup lens; the lens moving frame having a magnetized face magnetized alternately with N poles and S poles along the direction of the back and forth linear movement; and a magnetic resistance sensor apparatus. The magnetic resistance sensor apparatus has a magnetic resistance sensor, a body, a single screw, and a plurality of resilient pieces. The resilient pieces is formed such that, in a state wherein the resilient pieces are resiliently deformed all by the same amount, the sum of moments by the resilient pieces which act upon the location of the body at which the screw is fitted is zero.