63results about How to "Recognition distance" patented technology

An image display method for a rearview camera for displaying an image shot by a rearview camera mounted on a vehicle on a screen that can be viewed from a driver's seat, the method includes the step of displaying an auxiliary line image indicating the straight rear direction of the vehicle superimposed on the image shot by the vehicle on the screen. When the vehicle has approached the trailer within a predetermined range, an image from the rearview camera is converted to an image from a virtual overhead viewpoint then displayed on the screen. The driver easily back the vehicle to bring the hitch in the blind spot at the rear of the vehicle to coincide with a coupling member on the trailer while watching the screen display.

The present invention relates to a technology that allows a user to manipulate a virtual three-dimensional (3D) object with his or her bare hand in a wearable augmented reality (AR) environment, and more particularly, to a technology that is capable of detecting 3D positions of a pair of cameras mounted on a wearable display and a 3D position of a user's hand in a space by using distance input data of an RGB-Depth (RGB-D) camera, without separate hand and camera tracking devices installed in the space (environment) and enabling a user's bare hand interaction based on the detected 3D positions.

The invention discloses a target detection method and a target detection system of visual radar spatial and temporal information fusion. The target detection system comprises an acquisition unit, a sampling unit, a superposition unit, a model building unit and an execution unit. The acquisition unit is used for collecting RGB image data and 3D point cloud data to calculate discretized LIDAR depthmap in grayscale; the sampling unit is used for up-sampling and densifying the LIDAR depth map so that the RGB image and the data form of the LIDAR depth map are unified and corresponded to each otherone by one; the superposition unit is used for combining the RGB image and the LIDAR depth map into an RGB-LIDAR picture and superposing the RGB-LIDAR pictures which are continuously collected for multiple times to obtain a superposed RGB-LIDAR picture, wherein the number of the continuous collection of the RGB-LIDAR pictures is equal to or more than 1; the model building unit is used for establishing an RGB-LIDAR data set for the multiple superposed RGB-LIDAR pictures to enter the deep learning network for training and learning and establish a classification model; the execution unit is usedfor taking corresponding decisions according to target analysis results from the classification model. Consequently, the effects of long-distance recognition and high classification accuracy are achieved.

The invention discloses an intelligent management system for a tool based on a radio frequency technology. The intelligent management system comprises a hardware part and a system software part, wherein the hardware part comprises an RFID (Radio Frequency Identification Device) electronic tag, a fixed reader-writer, a handheld reader-writer, an application server, a WEB server and a database server; the RFID electronic tag carries out information exchange with the fixed reader-writer and the handheld reader-writer through radio frequency; information of the fixed reader-writer and information of the handheld reader-writer are transmitted to the application server, the WEB server is connected to the database server through a backbone network, and the application server is connected to the WEB server and the database server through network equipment. According to the intelligent management system, intelligent management of each link of the tool, such as warehouse in and out, maintenance, test and abandonment, can be normalized, the speed and the accuracy for data input of each link of warehouse management are guaranteed, the whole informatization management of the life cycle of the tool is implemented, the use safety of the tool is guaranteed, and the load of a worker is reduced.

The invention relates to a wirelessly chargeable RFID electronic tag, comprising a signal receiving antenna, a signal processing module, an energy receiving antenna, a rectifying circuit module and an energy storage capacitor, wherein the rectifying circuit module comprises a low pass filter, a matching circuit, a rectifier diode and a direct-pass filter, wherein one end of the low pass filter is directly connected with the energy receiving antenna and the other end is connected with the matching circuit; the matching circuit is connected with the direct-pass filter via the rectifier diode, the other end of the direct-pass filter is directly connected with the energy storage capacitor, the other end of the energy storage capacitor is directly connected with the signal processing module, and the signal processing module is connected with the signal receiving antenna. The RFID electronic tag capable of being charged in a wireless mode has the following benefits that the advantages of an active RFID such as long recognition distance, large transmission data amount, low emission power and high compatibility and the like are reserved, and the problem that the service life of the existing active RFID electronic tag depends on the service life of cells is eliminated. The wirelessly chargeable RFID electronic tag has wide application prospect.

The invention discloses a positioning and tracking system of an underground/roadway moving object, comprising underground positioning and tracking systems distributed under a detected mine and ground monitoring systems distributed on the ground; two-way communication is conducted between the underground positioning and tracking system and the ground monitoring system; the underground positioning and tracking system comprises a plurality of wireless radio-frequency labels, a plurality of wireless signal receiving and transmitting devices and a plurality of card readers which are respectively carried by underground workers, are internally stored with the information of the identity and engaged job category information of a cardholder, can read the stored information in the wireless radio-frequency labels within respective signal coverage area in real time, and synchronously upload the read information and the internally-stored information to the card reader of the receiving and transmitting device; and the wireless radio-frequency labels are distributed on a coal mining work surface or a coal mining roadway. The positioning and tracking system has reasonable design, convenient installation and distribution, low cost, complete function and good use effect, and also improves the coverage area correspondingly while saving the cost.

The invention relates to an iris identification device combining dynamic human eye tracking, effectively extending the distance and the angle of iris identification and also identifying multiple targets. The iris identification device combining dynamic human eye tracking utilizes two image collection devices: a wide-angle video camera is coordinated with a long-focus video camera. The iris identification device can utilize the wide-angle video camera to automatically catch targets within a working range so as to control a tripod head device to drive the long-focus video camera to aim at a target human eye, thus the focusing and the collection and the identification of iris images can be completed; assignment and alignment during the process can be achieved without any targets participation, the iris identification device is automatically regulated to complete the collection of the iris images in a coordinate way, thereby effectively realizing the identification and the verification of the iris images.

A head assembly for a chip mounter is provided. The head assembly includes a nozzle module disposed above a printed circuit board (PCB) and configured to pick up and move an electronic component to mount the electronic component on the PCB, and a component recognition module electrically connected to the nozzle module and configured to recognize presence of the electronic component, a distance between the PCB and the nozzle module, and alignment of the electronic component at least one given moving position of the electronic component.

An electronic device is provided. The electronic device includes an ultra-wideband (UWB) communication circuit, a processor operatively connected to the UWB communication circuit, and a memory operatively connected to the processor. The memory stores instructions, and when the instructions are executed, the instructions, when executed, further cause the processor to establish a wireless communication channel with an external electronic device using the UWB communication circuit, perform positioning communication with the external electronic device based on a predetermined period, via the wireless communication channel, recognize a distance between the electronic device and the external electronic device, and a changing trend of the distance, based at least on the positioning communication, and change the positioning communication period based on the recognized distance and the changing trend.

The invention discloses a long distance ultrahigh frequency RFID anti-metal label and a manufacturing method thereof. The label comprises a substrate. An antenna-shaped metal thin layer is etched or sintered in the substrate, and then the metal thin layer is welded with a chip to manufacture the long distance ultrahigh frequency RFID anti-metal label. The label antenna is an ultrahigh frequency RFID anti-metal label including short circuit through holes. Through the invention, the ultrahigh frequency RFID anti-metal label which is high temperature resistant, corrosion resisting and long in identification distance is realized.

The invention discloses a safe driving system and method based on an electronic license plate. According to the driving method, unique bi-directional interactive mapping from a physical space to an information space of vehicles is realized by perceiving and feeding back the current road-concerned information, operating condition information of the vehicles around a current lane and driving state information of the current vehicles in real time. Real-time driving change strategies are provided for drivers to effectively prevent the occurrence of road traffic accidents.

The invention discloses a vehicle monitoring system based on automatic identification technology, and relates to the technical field of electronic information. The vehicle monitoring system consists of an application software system, a middleware server, an identifying and reading device and a vehicle to be detected which are communicated with one another in turn. The application software system provides supervision department-oriented application service; and the middleware server completes data filtering and forwarding and partial logic processing operation. The vehicle monitoring system has the structural characteristic that: the identifying and reading device comprises a fixed identifying and reading device, a vehicle-mounted identifying and reading device and a handheld identifying and reading device and completes vehicle information acquisition and data comparison operation. The vehicle to be detected is stuck with a passive ultrahigh frequency electronic tag to communicate with the identifying and reading device so as to complete the monitoring. Compared with the prior art, the vehicle monitoring system integrates radio frequency, video, radar velocity measurement and other automatic identification technology, effectively improves the accuracy rate of identifying and reading vehicles and has high environmental adaptation.

The invention relates to the technical field of automobile lighting system intelligent control, in particular to an automobile intelligent headlight lighting device based on an SFV and a DLP. The lighting device comprises a DLP projection system, a free-form surface projection lens system and an SFV module. The SFV module is used for outputting a control signal according to the road condition in front of an automobile; the DLP projection system is used for adjusting the output light pattern of a lighting area of the automobile according to the control signal output by the SFV module; the free-form surface projection lens system converts the light pattern projected by the DLP projection system into a rectangular spot. The SFV module can achieve functions of automatic light change, anti-collision alarm and lane keeping according to the road state ahead. The low beam pattern, the high beam pattern and the ADB anti-dazzling pattern can be achieved by controlling the state of each micromirror of a micromirror array of a DMD chip in the DLP projection system, and the problem of dazzling of other traffic participants caused by abuse or misuse of the high beam by one party is solved.

This invention provides an insulated plug with an RFID tag including a main body and the RFID tag. The main body includes a conductive rod. The RFID tag includes a tag antenna and a tag chip connected at a feeding part of the tag antenna. The tag antenna includes a substrate and an antenna structure. The substrate has an installation hole, and the conductive rod passes through the installation hole and is fixed with the installation hole. The antenna structure is disposed at the substrate and includes a radiation part, a reflection part and a connection part. The radiation part is formed at one end of the substrate and has a feeding part. The reflection part is formed at the other end of the substrate and is closed. The connection part is disposed at the substrate and is electrically connected with the radiation part and the reflection part.

The present invention relates to a long-distance vehicle identifying system, and comprises an upper-computer, a microwave receiver, a bus controller, a vehicle identifier, a crosspiece rod device, a vehicle loading device, a ground-sensing device, a falling rod ground sensing, a radiate coil, a long-wave activating device and a detecting switch. The vehicle identifier is respectively connected with the bus controller, the microwave receiver, the crosspiece rod device and the ground-sensing device. The bus controller is connected with the upper computer. The long-wave activating device is respectively connected with the radiate coil and the detecting switch. The ground-sensing device is connected with the falling rod ground sensing. The vehicle loading device is respectively connected with microwave receiver and the radiate coil via a microwave signal and a long-wave signal. The present invention has the advantages of energy conservation, long identifying distance, low cost, high performance and reliable communicating identification.

The present disclosure provides a navigation apparatus that is capable of switching between the display of a direction sign image and the display of an enlarged view of an intersection and reducing an erroneous recognition of a target intersection made by a driver. The navigation apparatus displays the direction sign image related to the target intersection when a distance between the host vehicle and an installation location of the direction sign is within a sign display distance. The navigation apparatus displays an intersection enlarged view of the target intersection when a distance between the host vehicle and the target intersection is within an enlarged view display distance, which is set shorter than the sign display distance.

A thin-type high-gain UHF RFID (ultrahigh frequency radio frequency identification) anti-metal tag antenna comprises a dielectric substrate as well as an upper metal patch and a lower grounding metal patch which are attached to the upper and lower surfaces of the dielectric substrate respectively, wherein a tag chip is arranged on the upper metal patch; a first slot and two second slots are formed in the upper metal patch to increase the path of antenna surface current; the first slot transversely penetrates through the upper metal patch; the two second slots longitudinally extend and are connected with two sides of the first slot respectively; the tag chip is connected to the middle of the first slot. According to the antenna, the upper patch of the antenna and the floor are not required to be connected through a short circuit through hole, a short circuit dowel or a short circuit patch. The impedance of the tag antenna can be effectively adjusted by changing the related structures of the first slot and the second slots in the upper metal patch of the antenna, so that good conjugation matching of the tag antenna with the tag chip is realized. The thin-type high-gain UHF RFID anti-metal tag antenna has the advantages of being convenient to process, good in anti-metal property, long in recognition distance and the like.

The invention discloses a method for quickly identifying the digital image of a steel ladle label. The method comprises the following steps of: obtaining a steel ladle label plate; collecting the image data of the steel ladle label plate; preprocessing the image data of the steel ladle label plate to obtain a complete image of the steel ladle label plate; identifying the complete image of the steel ladle label plate to obtain a credible result; and transmitting and storing the image data of the steel ladle label plate according to the credible result. According to the prior art, due to the fact that environmental factors such as high temperature, a strong magnetic field and dust exist in a steel production link, tracking and recognition of materials are not facilitated, and recognition reliability is low is solved. However, with the method adopted, the problems in the prior art can be solved. The method has the advantages of intelligent material identification, long identification distance, few environmental constraint factors and high identification reliability.

The invention relates to the technical field of lamp switches, and particularly relates to a lamp switch chip. The lamp switch chip comprises a microprocessor, a digital signal processing module, an image sensor, an analog-to-digital conversion module, an infrared sensor, a power input serial pot and a signal output serial port, wherein the microprocessor is internally equipped with a clock circuit, a power end of the microprocessor, a power end of the digital signal processing module, a power end of the image sensor and a power end of the infrared sensor are electrically connected with the power input serial port, the microprocessor is in communication connection with the digital signal processing module, the image sensor is electrically connected with the digital signal processing modulethrough the analog-to-digital conversion module, the image sensor is electrically connected with an output end of the microprocessor, the infrared sensor is electrically connected with an input end of the microprocessor, and the signal output serial port is electrically connected with the output end of the microprocessor. The lamp switch chip control a lamp to be turned on or turned off through identifying a moving object, and has the advantages of long identification distance, wide identification range and high identification accuracy.

The invention discloses an intelligent table tennis ball picking robot and a control method thereof and relates to the field of intelligent control functional robots. The robot has a simple structure,is reliable and durable and can accurately locate the positions of table tennis balls in a space by utilizing a binocular vision recognition and locating system, and through a combined structure of abase and a picking barrel, the robot can successfully pick up the table tennis balls at corners; the robot has an automatic obstacle avoidance function during operation, the efficiency and flexibility of picking the table tennis balls are improved, and the accuracy rate and success rate of picking the table tennis balls are increased; after partial parts are damaged, replacement is convenient, and the maintenance cost is low. In addition, the robot has the advantages of long recognition distance and high controllability; through a 20,000 mAh lithium battery arranged inside, the power consumption is low, and the standby time is long. The robot is high in intelligentization degree and has the advantages of simpler structure, lower cost and high picking efficiency in comparison with a functional robot which takes a mechanical arm as a picking device in the market. Through the design of a table tennis ball recognition model, a new thought and an innovative direction are provided for the design of follow-up table tennis ball picking robots.

The present invention discloses a near field communication label integrated with a magnetic composite membrane, and a preparation method thereof. The magnetic composite membrane comprises magnetic nano particles and a polymer and is integrated in the middle of a coil antenna of the NFC label by printing. Compared with the NFC label without the magnetic composite membrane, the NFC label with the magnetic composite membrane has the advantages that an inductance value L and a quality factor Q of the antenna are improved remarkably, particularly, a communication distance between an NFC reader and the NFC label is extended greatly. Further, the NFC label with the magnetic composite membrane has the characteristics of being light, thin and flexible, and is particularly suitable for wearable electronic devices. The NFC label has the advantages of simple integration technology, low cost, and superior electromagnetic performance, and has high application value in the field of near field communication.

The invention discloses an anti-beating shared basketball. The anti-beating shared basketball comprises an inner tube, a middle tube and an outer skin, wherein the inner tube is provided with a containing cavity protruding towards a ball center and capable of containing a RFID label and an elastic material, an opening of the containing cavity is flush with the outer surface of the inner tube, andthe containing cavity and the inner tube are integrally formed. The shared basketball cannot be worn and falls off after being beaten tens of thousands of times, has the long-term service life, can also be prevented from being counterfeited, and has long recognition distance, and the recognition performance is greatly improved. The invention also discloses a making technology of the basketball.