36results 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 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.

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 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 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 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.

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.

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.

The invention discloses a thread end processing device for a winding machine. The thread end processing device comprises a base arranged on the side surface of a rotating disc of the winding machine,wherein a clamp opening mechanism is installed on the base, the clamp opening mechanism comprises a clamp opening pressing block slidably installed on the base and driven by a clamp opening power device, a thread end clamp addressing device for driving the rotating disc to rotate is installed on the side surface of the rotating disc, and the thread end clamp addressing device drives the rotating disc to stay at a clamp opening station, so that a thread end clamp on the rotating disc is matched with the clamp opening pressing block position, and a thread end pulling-away mechanism for pulling away a thread end from the thread end clamp is further installed on the base. According to the thread end processing device, the thread end clamp can be automatically opened to pull away the thread end, so that the manual work is replaced, and the labor cost is reduced.