170 results about "Handheld equipment" patented technology

The utility model relates to the technical field of imaging equipment, and particularly discloses a binocular handheld device and a focusing assembly, comprising a first focusing wheel and a second focusing wheel which are coaxially arranged and sequentially distributed along the axial direction; the first rotating shaft is arranged on the first focusing wheel, and the first rotating shaft and the first focusing wheel are coaxial; the second rotating shaft is arranged on the second focusing wheel, the second rotating shaft and the second focusing wheel are coaxial, and the second rotating shaft is arranged outside the first rotating shaft in a sleeving mode and can rotate relatively; the first moving part is used for being connected with the first movement, and rotation of the first rotating shaft can be converted into forward and backward movement of the first moving part so as to change the distance from the first movement to the first lens; and the second moving part is used for being connected with a second movement, and rotation of the second rotating shaft can be converted into forward and backward movement of the second moving part so as to change the distance from the second movement to the second lens. By applying the binocular handheld device and the focusing assembly provided by the utility model, the focal length adjustment operation is convenient.

The present invention discloses a handheld apparatus, including: a fan body provided with a snap-fit groove at its bottom; and a handle, detachably installed on the fan body, where the handle is provided with a locking mechanism, the locking mechanism includes a key switch, a locking portion, and an elastic member, the key switch is fixedly connected with the locking portion, and the elastic member is located between the locking portion and the handle, where the key switch is for a user to press to drive the locking portion to move downward, so that the locking portion and the snap-fit groove are unlocked; and the elastic member is configured to drive the locking portion to move upward, so that the locking portion and the snap-fit groove are locked. Through the present invention, a problem that existing fans are inconvenient to carry and have a monotonous function is resolved.

The invention discloses a method for determining the demulsification speed of emulsified asphalt, and relates to the technical field of online detection and intelligent monitoring of road engineering materials, and by integrating a lightweight time sequence prediction model and a self-adaptive processing mechanism, the practicability and reliability of the determination of the demulsification speed of the emulsified asphalt are remarkably improved; in the aspect of portability, an edge model based on a gating circulation unit structure is adopted, so that the dependence on computing resources is reduced, the method can be operated on handheld equipment, the problem that traditional laboratory equipment is heavy is avoided, and construction personnel can conveniently and quickly deploy the equipment on site; the real-time performance is enhanced, the adaptive sliding window dynamically adjusts the window length and step length according to the data stability to ensure that the inference frequency is matched with the demulsification process, and the model can immediately respond to environmental changes such as temperature fluctuation and output a demulsification speed estimated value without obvious delay in combination with an online learning mechanism, so that the paving and compacting opportunities are guided; and construction interruption is reduced.

The invention provides a moving target feature extraction method based on a deep convolutional neural network, and the method comprises the steps: continuously obtaining the movement speed change information of a photographed subject and the real-time data of the jitter of a handheld device, obtaining the initial trend value of the movement speed change, carrying out the calculation of the future position of the photographed subject through a preset trajectory analysis model, and obtaining the feature of a moving target. Determining a reference interval of snapshot opportunity prediction; through the adjusted focus locking data, combining with the dynamic weight of the external interference factor to optimize the definition degree of the processed image, and obtaining an optimized image frame sequence; and according to the optimized image frame sequence, analyzing the performance characteristics of the dynamic performance capability, if the dynamic performance capability is lower than a preset threshold value, performing enhancement processing on the image frame sequence, determining dynamic performance output, and if the dynamic performance capability is higher than the preset threshold value, directly outputting the current image frame sequence as the dynamic performance output.

The embodiment of the invention relates to the technical field of space acquisition, and discloses a historical and cultural block three-dimensional space data rapid acquisition and display method, which comprises the following steps: acquiring multi-source three-dimensional space data of a historical and cultural block through a collaborative acquisition system; inputting the multi-source three-dimensional space data into a semantic data processing engine; in the semantic data processing engine, processing the multi-source three-dimensional space data to generate a digital twin model comprising semantic information; and presenting the digital twin model to a user through an interactive display platform and providing an interactive function based on semantic information. According to the method in the embodiment of the invention, multiple acquisition modes such as ground scanning, unmanned aerial vehicle aerial photography and handheld equipment detection can be integrated, large-range areas such as block roofs and high-altitude facilities can be quickly covered through the unmanned aerial vehicle, and blind areas of a single acquisition mode can be made up by depending on the handheld equipment to go deep into hidden corners such as narrow roadways. And the block can be comprehensively and abundantly displayed based on the semantic digital twinborn model.

The invention discloses a tunnel back break detection method, which relates to the technical field of tunnel engineering, and comprises the following steps: step 1, control point measurement; step 2, tunnel scanning; 3, reconstructing a point cloud; step 4, generating a section; and step 5, performing overbreak and underbreak comparison and report output. The invention provides a three-dimensional laser cooperative scanning method integrating a total station and a handheld scanner, aiming at the problems that the efficiency of the scanner of the total station is high but the cost is too high, the efficiency of a common total station is low, and the precision of the handheld scanner is insufficient in the traditional tunnel detection technology. By combining total station control point calibration and handheld device dynamic scanning, the advantages of the total station control point calibration and the handheld device dynamic scanning are fully fused, the limitation of a single device is broken through, the tunnel detection precision and efficiency are improved, a more economical and efficient detection solution is provided for complex tunnel engineering, collaborative optimization of the precision and efficiency is achieved, and the tunnel detection efficiency is improved. And the method has important engineering application value and popularization significance.

The invention discloses a vehicle-mounted hyperspectral comprehensive detection system and method, and the system comprises an unmanned plane system, an airborne spectrometer system, a handheld spectrum system, a satellite data transmission receiving and transmitting system, a central control system, a power system, and optional roof equipment which are integrated on an engineering vehicle. The detection method comprises the steps that firstly, the remote sensing satellite detects a target area in a large range, detection data are transmitted to the vehicle-mounted system in real time, the vehicle-mounted system analyzes the satellite detection data and marks a suspected target position, and an unmanned aerial vehicle detailed investigation task is generated; the unmanned aerial vehicle returns detection data of a target area in real time, the vehicle-mounted system analyzes the returned data of the unmanned aerial vehicle, and according to an analysis result, the other unmanned aerial vehicle carries a handheld device to carry out synchronous flight matching and fine checking. Compared with the prior art, the method is characterized in that: a star sky ground link is quickly established; establishing satellite-ground reference rapid transmission; wide-range real-time high-quantification application of satellite-ground data is realized; the invention relates to star-sky ground-communication remote-guiding large-range coordinated monitoring.

A user's accommodative spasm can be evaluated and mitigated via a virtual reality (VR) system, which can include a VR headset in electronic communication with a computing device. The computing device causes virtual environments, which can include objects, optotypes, various lighting conditions, and various weather conditions, to be displayed on the VR headset. Using varying combinations of eye-tracking sensors, eye-tracking cameras, motion-tracking sensors, handheld devices, and microphones, the VR headset collects data about the user as she focuses on various objects placed at different distances away from her in the virtual environments. Optionally, advanced algorithms in the computing device dynamically alter the virtual environments and the visual tasks and analyze the user's responses to evaluate the user's accommodative spasm.

A golf course geofence system includes a remote computing device. The remote computing device is configured to receive a request from a portable device to generate a geofence at a current location of the portable device on a golf course, acquire position data regarding a position of the portable device, and generate the geofence at the current location in response to the request and based on the position data. The request includes at least one of (a) a first request to generate a predefined shape geofence or (b) a second request to generate a freeform geofence.

Vision safety protocols in workplaces (e.g., a construction site, factory, or hospital) can be evaluated via a virtual reality (VR) system, which can include a VR headset in electronic communication with a computing device. The computing device causes virtual environments with virtual hazards to be displayed on the VR headset. The computing device can prompt the user to complete a task in the virtual environment while adhering to a set of vision safety protocols. Using varying combinations of eye-tracking sensors, eye-tracking cameras, motion-tracking sensors, handheld devices, and microphones, the VR headset collects data about the user as she completes the task. Optionally, algorithms in the computing device can assess the efficacy of the vision safety protocols based on the user's performance of the task and recommend changes to the vision safety protocols that increase workplace safety and efficiency. Optionally, the computing device can cause the virtual hazards to be changed.

A resuscitation system employing a handheld device (60) and a front-end rescue device (80) partitioned from the handheld device (60) and powered by the handheld device (60). In operation, the an electrocardiogram (ECG) module of the front-end rescue device (80) communicates electrocardiogram signals from a heart of a patient to the hand-held device, and a rescue controller (70) of the hand-held device controls a charging of a shock module (100) of the front-end rescue device (80) by the battery and / or power supply (61). Subsequent to the charging of the shock module (100), the rescue controller (70) controls a conditional discharging of the shock module (100) to the heart of the patient based on the electrocardiogram signals received by the rescue controller (70) from the electrocardiogram module (90).

A system for data communications comprising a handset having a processor, a wireless communications device, a speaker and a microphone and one or more software applications operating on the processor that are configured to interface with a voice over long-term evolution (VoLTE) service. A wireless access point coupled to the handset through a local wireless communications media and the wireless communications device, the wireless access point further coupled to a long range wireless communications media and configured to interface with a server that provides VoLTE calling functionality.

To provide a signal generator that generates a plurality of low voltages and combines them in series to create a high voltage.SOLUTION: A handset for an electroporation device has an improved signal generator. The signal generator includes a primary winding and a plurality of secondary windings, where the secondary windings are coupled together in a series configuration. A storage capacitor and the fly-back diode are coupled to each of the secondary windings. The signal generator includes a signal amplifier and a power switch. The power switch is configured to supply a voltage from a power source across the primary winding.SELECTED DRAWING: Figure 2

The invention provides a hospital culture, entertainment and education system based on a virtual reality technology, and relates to the technical field of hospital culture, entertainment and education, and the system comprises the following components: a hardware system comprising a VR device and a handheld device; the software system comprises a VR platform and a medical system; the user system comprises a comfort system, a safety system and a use system; the content system comprises a medical care system, a patient system and an entertainment system, and provides personalized pressure management: physiological data, environmental data and behavior data of medical personnel are collected, an AI neural network algorithm is combined, so that the pressure level of the medical personnel can be evaluated, and a corresponding pressure management strategy is triggered according to an evaluation result; the personalized pressure management can effectively help the medical staff to relieve the work pressure, and improve the work satisfaction and work efficiency of the medical staff.

A wearable power monitoring device comprises: a safety helmet; the helmet brim is arranged on the safety helmet; the driving belt is rotationally mounted above the cap brim, and a clamping groove is formed in the driving belt; the driving module is fixedly installed on the safety helmet, the driving module is provided with a driving rod, and the driving rod is meshed with the clamping groove of the driving belt and used for driving the driving belt to rotate; the control device is arranged on the safety helmet, and the control device is used for obtaining a human body control instruction and generating a control signal; the driving module is used for acquiring the control signal and driving the driving belt to rotate according to the control signal; the display screen is fixedly mounted at the bottom end of the front side of the brim in a turnover manner; and the function module is detachably mounted on the driving belt, and the function module is in signal connection with the display screen. Through an occlusion action control mechanism and a modular design, a handheld device is not needed, and the flexibility and the working efficiency are remarkably improved.

The utility model relates to the technical field of concrete detection, in particular to a concrete strength nondestructive testing needle instrument, which comprises a main body, a display, a detection rod and a connector, the display is fixedly connected on the surface of the main body, the detection rod is fixedly connected with one end of the main body through the connector, and a protective device is fixedly arranged on the surface of the main body. A first surrounding plate is fixedly connected to the side face of the body, and a groove is formed in the face, away from the body, of the first surrounding plate. According to the utility model, the protective device is arranged, so that the vibration force generated when the equipment is used is effectively reduced, the effect of reducing the vibration generated on the hand when the equipment is used is achieved, when common equipment is used, a user holds the equipment by hand to detect concrete, and due to the fact that the equipment detects the concrete in an impact mode, the equipment is very convenient to use. And the situation that the equipment is difficult to hold stably and falls to the ground to be damaged due to the fact that the hand of the user is sore due to strong vibration generated during collision is avoided, and the stability of the equipment held by the user is greatly improved.

The invention provides a handheld imaging device with tactile feedback and positioning guide functions, and relates to the technical field of handheld imaging equipments.The handheld imaging device comprises a shell, a camera and a touch block are arranged at one end of the shell, a control button is arranged on one side of the bottom end of the shell, an auxiliary device is arranged at the bottom end of the shell, and the auxiliary device is connected with the camera. The auxiliary device comprises a supporting rod and a rotating shaft, the bottom end of the shell is fixed into a rectangular groove in the top end of the supporting rod through the rotating shaft, and a coil spring is arranged at one end of the rotating shaft. When the equipment is used, the shell can be pushed to adjust the angle of the shell through rotation of the rotating shaft and limitation of the coil spring, the situation that normal detection of the equipment is affected due to the fact that a touch block at one end of the shell cannot be well attached to the body surface of a patient when an operator holds the equipment by hand is avoided, and convenience is improved when the equipment is used.

The invention discloses an animal feeding inspection method and device based on the Internet and computer equipment. The method comprises the following steps: acquiring a preset inspection plan; automatically generating a task list of the day by adopting a set inspection frequency based on the inspection plan, and allocating the task list to a corresponding person in charge, so that the person in charge uses a handheld device to log in, obtains the task list of the day, inspects the animal cage, and submits an inspection result after the inspection is completed; and when the inspection result is abnormal, acquiring details, and automatically sending a notification to a related person in charge. By implementing the method provided by the invention, the inspection efficiency and the accuracy of animal health management can be remarkably improved, meanwhile, paperless operation is realized, and environmental protection and permanent storage of data are promoted.

The invention provides a pig segmentation method based on multi-modal information, and relates to the field of image segmentation and recognition. The problems that in the prior art, when a model is operated on a handheld device or an edge computing device, the reasoning speed is low due to the fact that the computing power is limited, and the real-time requirement is difficult to meet are solved. The method comprises the following steps: acquiring an RGBD image and a thermodynamic image of a to-be-identified area, calibrating RGBD image and thermodynamic image acquisition equipment, and performing alignment processing on the two types of images based on a calibration result. And constructing five-channel image data based on the aligned RGBD image and thermodynamic image, and inputting the five-channel image data into a semantic segmentation network of a lightweight structure for feature extraction and fusion to obtain a segmentation mask image of the pig image. And reversely projecting the segmentation mask image to the first RGBD image based on the internal reference and the external reference obtained in the calibration process to obtain a segmented pig image. The method is used in the pig segmentation process.

The present disclosure relates to a system and methodology designed for the spectroscopic detection of materials found on surfaces or dispersed in air. Some embodiments utilize a multi-modal sensor suite that operates through a progressive and multi-level acquisition pipeline, escalating across different sensing modalities such as visible, thermal, and hyperspectral. Data acquired at each level can be fully integrated and fused for efficient and precise material detection. Some embodiments use a physics-constrained computational model that uses latent hypercomplex states and learnable hypercomplex algebra to accurately disentangle and reconstruct spectral signatures, enabling robust substance identification. The system is adaptable to a range of hardware platforms, such as handheld devices, UAVs, and robots.

The invention relates to a method (100) for starting up a field device (10) in an automation system () which has a superordinate control unit (30). In the method (100) according to the invention, a simulation value (25) to be output to the field device (10) is specified by a handheld device (20). A logical measurement point (36) at which the simulation value (25) is output is determined in the superordinate control unit (30). The determined logical measurement point (36) is compared with a target measurement point (38). In the event of a match, the field device (10) is operated via the present communicative field bus connection (19). The invention also relates to a corresponding computer program product (40), to a handheld device (20), to a corresponding field device (10), and to a correspondingly equipped automation system (50). The invention further relates to a simulation method (200) and to a simulation program product (60), by means of which the operating behavior of such an automation system (50) can be adjusted.

The utility model discloses equipment for real-time acquisition and calibration of satellite signals, which comprises a shell, and a data processing module, a satellite signal transceiving module, a fakra connector and a USB (Universal Serial Bus) connector which are arranged in the shell and are connected through a circuit, the satellite signal transceiving module is mounted at the bottom of the data processing module; the fakra connector and the USB connector are arranged at the two ends of the data processing module respectively. The device and the vehicle-mounted recorder can use the GPS antenna at the same position to control the variable of the detection process, and the built-in network module of the handheld device can carry out data mutual transmission and bidirectional verification with a cloud data center, so that the positioning of the GPS is accurately calibrated.

The invention discloses a vehicle management and control and integrated delivery method for a steel coil unmanned warehouse, and aims to realize full-process efficient management from vehicle entering, warehousing, delivery to final vehicle leaving through automatic and informatization means. According to the method, firstly, an ERP system sends a vehicle distribution plan to a warehouse management system, and vehicles are automatically arranged to enter and exit according to an order transfer verification result of a scheduling system; for the garage entering operation, the garage management system sends the license plate number to a barrier gate system to allow the vehicle to enter, and a garage entering plan is input on the HMI; and when the steel coils are delivered out of the warehouse, a shipper needs to use handheld equipment to confirm the information and sequence of the steel coils, and the system automatically generates a loading list and guides the loading process to be completed. In the whole process, integrated operation of intelligent management and control of the vehicle and delivery is achieved, manual intervention is reduced, and working efficiency and accuracy are improved. The system is particularly suitable for a modernized large-scale steel coil warehouse, and the logistics management level and the operation efficiency can be remarkably improved.

This invention provides a tree image recognition system based on laser point cloud technology, belonging to the field of image recognition technology. It includes a data acquisition module, a data backup and processing module, and an image recognition module. The data acquisition module includes an image capture module, a laser scanning module, and a data storage and transmission module. The image recognition module includes a coordinate matching module and a same-coordinate image retrieval and display module. This invention integrates data from drone radar and handheld devices, fusing aerial and ground data to improve data integrity and accuracy. AI technology is used for efficient tree classification and recognition, achieving objectivity, efficiency, and accuracy in the evaluation process. Matching real-world images with point cloud data allows for a more intuitive view of the real-world image and the original 3D point cloud data under the same 3D geographic coordinates.

The invention provides a laser-vision collaborative SLAM-RTK fusion anti-interference handheld surveying and mapping device, and relates to the field of geographic surveying and mapping equipment, the laser-vision collaborative SLAM-RTK fusion anti-interference handheld surveying and mapping device comprises a surveying and mapping instrument, and further comprises a laser radar module arranged on the surveying and mapping instrument; the visual sensor module is arranged on the surveying instrument; the RTK positioning module is arranged on the surveying instrument; the central processing unit is in communication connection with the laser radar module, the visual sensor module and the RTK positioning module; the supporting mechanism is arranged at the bottom of the surveying instrument, detachably connected with the surveying instrument and used for supporting the surveying instrument. Through the arrangement of the supporting mechanism integrating lifting, angle and universal adjustment, flexible switching and high stability of operation modes are achieved, a user can rapidly switch between handheld scanning and static erection scanning, hand shaking can be effectively eliminated during static scanning, the data quality of a key area is ensured, and the user experience is improved. The problems that in the prior art, handheld equipment is insufficient in stability, and a traditional tripod is tedious in adjustment and poor in adaptability are solved.

The application discloses a kind of based on multi-feature fusion and model learning's electromagnetic detection defect qualitative and quantitative method, builds multi-modal electromagnetic detection system, acquires the multi-frequency eddy current of measured component / multi-channel magnetic flux leakage signal and lift-off data, after adaptive denoising, interference suppression and normalization preprocessing, extract four categories 44-dimensional multidimensional features, obtain optimal feature subset by three-level screening strategy;Adopt channel attention and cross attention mechanism to realize multi-feature adaptive fusion, build "shared backbone+double branch" dual-task joint learning model, complete transfer pre-training, fine-tuning and lightweight compression;Finally output defect qualitative and quantitative results, support dual-technology result fusion and risk rating.The application realizes the full-depth coverage detection of special equipment metal components from surface to middle-deep defects, qualitative classification accuracy is greater than or equal to 98%, depth quantitative average relative error is less than or equal to 5%, single-frame inference time is less than or equal to 10ms, which can be directly deployed on handheld devices to realize real-time detection on site.

The utility model discloses a Bluetooth debugging handle. The Bluetooth debugging handle comprises a first connecting part, a second connecting part and a cable, a connecting terminal, a power management module, a data conversion module, a Bluetooth transceiving module and an interference elimination module are also arranged in the second connecting part; the connecting terminal is connected with the input end of the power management module, the data conversion module and the interference elimination module respectively, and is connected with the first connecting part through a cable; the output end of the power management module is connected with the data conversion module and the Bluetooth transceiver module. Firstly, the first connecting part is inserted into the sun-tracking controller to achieve electric connection, then a fourth chip of the Bluetooth receiving and transmitting module communicates with the sun-tracking controller through the data conversion module, and then the Bluetooth receiving and transmitting module communicates with a handheld device of a worker through wireless Bluetooth. And a wireless communication bridge is established for the sun-tracking controller and the handheld device. The method is simple to operate, various in supported equipment, controllable in debugging distance and free of physical length limitation.