104 results about "Low vision" patented technology

An activity analysis system includes a body with a spring like flexible structure, a light at the tip used for people with low vision, a battery compartment required for the light battery to operate, upper and lower cutting blades performing the nail cutting process, a ring area of the clipper that is required in order to be worn by the finger, a magnifying glass to be installed optionally, a sensor detecting the temperature of the fingers, movements of flexion, extension, rotation, limitations of joints, gripping strength, and sensory mapping of the strength points, a right sensor and a left sensor, a wristband with GPS, a connection element enabling the connection between left and right sensors that are located on the wristband and the sensor on the nail clippers, and a computer which gathers the analysis results obtained from the sensors.

The invention relates to the technical field of man-machine interaction. The invention provides a sight tracking method for a head-mounted optical typoscope, and the method comprises the following steps: firstly, carrying out the preprocessing of a collected image, secondly, judging the region where the typoscope is located, then solving the problems of shielding and deformation of pupils to obtain the contour of the pupils, carrying out the modeling and parameter solving of the pupils and eyeballs according to the contour of the pupils, and carrying out the tracking of the sight of the head-mounted optical typoscope. And finally, realizing sight tracking through coordinate system conversion and single-point calibration. The method can be used for tracking the sight of the user under the condition that the user wears the optical typoscope on the head, the sight tracking task of the head-mounted optical typoscope can be rapidly and accurately completed, and the method has good accuracy and robustness and has positive significance in attention mechanism research and the like of low-vision people.

Users exploiting near-to-eye (NR2I) displays for augmented reality and / or correction of low vision are typically wearing these NR2I displays for specific tasks or for extended periods of time, potentially all their time awake. Conflicting tradeoffs between user comfort and minimal fatigue and strain during use, ease of attachment, minimizing intrusiveness and aesthetics should be concurrently balanced with providing an optical vision system that provides the user with a wide field of view, high image resolution, and a large exit pupil for eye placement with sufficient eye clearance. Accordingly, embodiments of the invention provide NR2I displays meeting these conflicts whilst also addressing the inherent variations between user in respect of their head dimensions, head and eye geometry, as well as adapting the displayed content to reflect the user's task at-hand, visual defects or degradations, visual focus and intent upon various regions-of-interest within their field of view. Such HMDs providing enhanced user experiences.

The invention relates to the technical field of semiconductors, in particular to a die bonder and a correction method thereof, a computer readable storage medium and packaging equipment. The device is applied to a die bonder, and the die bonder comprises a swing arm capable of rotating, a suction nozzle fixedly connected with the swing arm, a die bonding lens and a die taking lens which are located above the swing arm, and a downward-looking flying shooting lens located below the swing arm. When the swing arm rotates, the suction nozzle passes through the visual fields of the three camera lenses, and a calibration jig is arranged on the swing arm; the correction method of the die bonder comprises the following steps: driving a swing arm to swing, and respectively acquiring camera pixel ratios and camera coordinate calibration of three camera lenses based on a calibration jig; the center coordinate of the center point of the suction nozzle is obtained through the down-looking flying shooting lens, the crystal taking coordinate of the suction nozzle is obtained through the crystal taking lens, and the crystal fixing coordinate of the suction nozzle is obtained through the crystal fixing lens; and based on the center coordinate, the die bond coordinate, the die pick-up coordinate, the die bond pixel ratio and the camera pixel ratio, acquiring a die pick-up position offset and a die bond position offset. The position of the suction nozzle can be accurately obtained.

The invention discloses a vision assisting method. The method comprises the following steps: presenting a visual field image to a user; determining a fixation point of the user in the view image; determining a fixation area of the user according to the fixation point; extracting the view image in the gazing area range as a view sub-image; processing the view sub-image to obtain an enhanced image with an enhanced visual effect; and presenting the enhanced image to the user. The invention further discloses a storage medium and a vision assisting device. According to the embodiment of the invention, where the eyes of the user see, the display content in the area which is seen around the eyes is enhanced in visual effect and presented to the user. Therefore, the pertinence of vision assistance for the low-vision user is remarkably improved, and the practical use requirements of the user are better met. And the user does not need to manually carry out any adjustment in the whole process, so that the two hands of the user are liberated.

The invention relates to the technical field of wafer detection, in particular to wafer electrical performance detection equipment, which can realize automatic detection of wafers, save manual operation and improve detection efficiency and accuracy, and is characterized in that a detection platform is arranged in an equipment housing, and a moving table connected with an X-axis driving mechanism and a Y-axis driving mechanism is arranged on the detection platform; a lifting table and a lower visual camera which are connected with a Z-axis lifting mechanism are mounted on the mobile table, a wafer adsorption platform is mounted on the lifting table, a probe chuck is mounted on a top cover plate of the equipment housing, a probe circuit board is arranged on the probe chuck, an upper visual camera is arranged above the wafer adsorption platform, and the upper visual camera is connected with a transverse movement driving mechanism; the detection process comprises the steps that a wafer is placed on the wafer adsorption platform, the lower visual camera shoots a probe on the probe circuit board, the upper visual camera shoots a mark point on the wafer to determine the moving path of the wafer adsorption platform, the wafer adsorption platform drives the wafer to move to the position below the probe circuit board, and the wafer is lifted for testing.

A low vision aid system including a camera module to be used with a mobile device, including a macro camera configured to focus on near-field objects that is integrated within the low vision aid camera module and an illumination source structured to illuminate a field of view associated with the macro camera, a battery power supply and a wireless communication module. The wireless communication module establishes an isolated Wi-Fi connection to the mobile device. The isolated Wi-Fi connection prevents the mobile device from communicating over other Wi-Fi networks while the isolated Wi-Fi connection is maintained. The wireless communication module receives, via the isolated Wi-Fi connection, instructions from the mobile device, that are associated with operation of the macro camera, and sends via the isolated Wi-Fi connection, a video bitstream to the mobile device based on the instructions.

The utility model provides a feeding machine used for PCB testing, comprising a feeding machine workbench, the workbench is provided with a tray feeding mechanism, a multi-joint manipulator, a lower visual camera, a defective product blanking module and a carrier transportation module, and the multi-joint manipulator comprises a rotating arm rotating seat, a material taking module, an upper visual camera and a multi-joint rotating arm. The multi-joint rotating arm is composed of a plurality of rotating driving arms, the rear end of the multi-joint rotating arm is fixedly arranged on the rotating arm rotating seat, and a lifting mechanism is further arranged at the front end of the multi-joint rotating arm. According to the PCB feeding machine, the problem that testing resources are wasted in a PCB feeding machine in the prior art can be solved, defect detection can be efficiently carried out through the product structure, the upper visual camera and the lower visual camera, after defective products are detected, the defective products are placed into the defective product discharging module to be discharged efficiently, the automation level of feeding equipment is improved, and the production efficiency is improved. The economic benefit of testing and the use experience of operators are improved, and the competitiveness of enterprises is improved.

The invention relates to the technical field of wafer feeding detection, in particular to a wafer transmission and electrical performance detection system, which can realize wafer carrying and pre-alignment operation, automatic feeding for detection, manual operation saving and detection efficiency and accuracy improvement, and comprises wafer transmission equipment and wafer detection equipment, the wafer transmission equipment comprises a wafer loading and feeding mechanism, a wafer carrying mechanism and a pre-alignment mechanism, the wafer detection equipment comprises an equipment cover shell, a detection platform is arranged in the equipment cover shell, the detection platform is provided with a moving table connected with an XY two-axis driving mechanism II, and the moving table is provided with an X-axis driving mechanism II and a Y-axis driving mechanism II. A lifting table and a lower visual camera which are connected with a Z-axis lifting mechanism are mounted on the moving table, a wafer adsorption platform is mounted on the lifting table, a probe chuck is mounted on a top cover plate of the equipment housing, a probe circuit board is arranged on the probe chuck, an upper visual camera is arranged above the wafer adsorption platform, and a lower visual camera is arranged above the upper visual camera. And the upper visual camera is connected with a transverse movement driving mechanism.

An extended reality (XR) system is described herein. The XR system includes a display system mounted to the headset for displaying a display screen including computer-generated images thereon, and a controller that includes one or more processors programmed to execute an algorithm for operating in an optical character recognition (OCR) mode to display a text selection screen by generating an image distortion zone within the text selection screen associated with a non-viewable boundary and modifying received video images to adjust a viewable image attribute of a portion of the received video images displayed within the image distortion zone, and operating in the scrolling text mode to display a text display screen by generating machine-readable text OCR and modifying the generating machine-readable text using a lightweight language model for text correction.

The present invention relates to a multi-luminance visual navigation test field for performing a vision test on a test subject. The multi-luminance visual navigation test field comprises: a test map, which can be operated to form a plurality of test scenes, each of which is provided with a preset walking route; a plurality of static obstacles, which are arranged on the test map and are used to form obstacles on the test map to hinder the test subject's progress; and a light source assembly, which is used to provide a plurality of light intensities. The multi-luminance visual navigation test field solves the problem in the prior art that the route design of the MLMT scheme is a full white background and arrows are used to indicate the direction of travel, but since most RP patients have extremely low vision and show decreased panretinal light sensitivity mainly due to rod cell damage, the problem that patients have difficulty distinguishing route markings and thus have difficulty in detection is solved. The multi-luminance visual navigation test field has a wide range of applications, low cost and higher detection accuracy.

1. The name of the design product: magnifier. 2. The use of the design product: the design product is used to help low vision population to read and study on the desktop. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1. 5. Other circumstances that need to be explained: the main view A part is made of translucent material.

Exemplary light control devices and methods provide a regional variation of visual information and sampling (“V-VIS”) of an ocular field of view that improves or stabilizes vision, ameliorates a visual symptom, reduces the rate of vision loss, or reduces the progression of an ophthalmic or neurologic condition, disease, injury or disorder. The V-VIS devices and methods generate a moving aperture effect anterior to a retina that samples and delivers to the retina environmental light from an ocular field of view at a sampling rate between 50 hertz and 50 kilohertz. Certain of these V-VIS devices and methods may be combined with augmented or virtual reality, vision measurement, vision monitoring, or other therapies including, but not limited to, pharmacological, gene, retinal replacement and stem cell therapies.

The present invention is entitled "System and method for enabling low vision users to interact with a touch-sensitive secondary display." Disclosed herein is a system and method for enabling low vision users to interact with a touch-sensitive secondary display. An exemplary method includes: displaying a first user interface for an application on a primary display, and displaying a second user interface on a touch-sensitive secondary display, the second user interface including multiple application-specific enable representations that control functions of the application. Each corresponding enable representation is displayed at a first display size. The method also includes: detecting input contacting at least one application-specific enable representation via the secondary display. In response to detecting the input, and while it remains in contact with the secondary display, the method includes: (i) continuing to display the first user interface on the primary display, and (ii) displaying an enlarged representation of at least one application-specific enable representation on the primary display. The enlarged representation is displayed at a second display size that is larger than the first display size.

The present invention discloses a telescope for low vision eccentric gaze inspection and training, comprising a trial frame, a first transparent clip and a second transparent clip, a partition is fixedly connected to the middle end of the inner surface of the trial frame, and the left and right sides of the partition and the left and right sides of the inner cavity of the trial frame are movably connected with screws through bearings, an adjustment knob is fixedly connected to the outer side of the screw, and a threaded barrel is threadedly connected to the outer surface of the screw, and a lens frame is fixedly connected to the bottom of the threaded barrel. The present invention is provided with a trial frame, a partition, a screw, an adjustment knob, a slide groove and a threaded barrel, which can achieve the purpose of adjusting the pupil distance, the length of the temple and the angle of the nose pad, a trial lens is provided, which can meet the needs of conventional refractive correction, a monocular telescope is provided, which can play the role of fixing the focal length and magnification, a distance calibration ruler is provided, which can play the role of measuring and inspecting the distance and assembling the sight mark card, and a sight mark card is provided, which can play the role of eccentric gaze inspection and training.

The invention discloses a full-automatic assembling, detecting and oiling all-in-one machine for elastic pieces and rotary knobs. The full-automatic assembling, detecting and oiling all-in-one machine comprises a rotary knob feeding and discharging device, a rotary disc mechanism arranged on one side of the rotary knob feeding and discharging device, an elastic piece feeding device, a hot riveting device, a visual detecting device and an oiling device, an elastic piece assembling device is further arranged between the elastic piece feeding device and the rotary disc mechanism. A lower vision mechanism is further arranged between the knob feeding and discharging device and the rotary disc mechanism. A series of procedures such as automatic assembly, hot riveting, detection and oil injection of the elastic pieces and the rotary knobs can be achieved, the automation degree is high, and the working efficiency is high.

The utility model belongs to the technical field of advertising boards, and particularly relates to a glasses-shaped double-sided luminous signboard which comprises a transverse hanging beam and a glasses-shaped lamp board. The glasses-shaped lamp board comprises an acrylic frame in the shape of an eye frame; a circle of LED lamp strip is embedded in the periphery of the acrylic frame; the light direction of the LED lamp strip faces the inner side of the acrylic frame; the transverse hanging beam is transversely arranged above the glasses-shaped lamp board and is connected with the glasses-shaped lamp board through a sling; a light controller is arranged at the position of the transverse hanging beam, and the output end of the light controller is connected with the LED lamp strip through a cable and supplies power to the LED lamp strip. And the transverse hanging beam is used for external connection, installation and fixation. According to the scheme, the double-sided luminous signboard adopts the shape design which is similar to the shape of glasses, so that the double-sided luminous signboard has the effects of being changeable, striking and attractive, and the efficiency of attracting customers is improved; for amblyopia people and foreign people, the position of the glasses store can be accurately known through the shape of the signboard.

The application relates to a zero-character full-symbol medication guidance system based on a fool-proof design, and belongs to the technical field of medical safety. The system comprises seven pure graphical symbol modules of medication frequency, medication time, medication dose, medication route, contraindication warning, adverse reaction treatment and missed medication treatment. The modules are visually distinguished by unified color, shape and line type, and are combined into a complete information chain in a fixed order of frequency, time, dose, route, contraindication, adverse reaction and missed medication, and are printed or displayed on a medicine box, a medication guidance sheet or a prescription carrier. The application migrates the picture priority and fool-proof and error-proof operation national standard system in the construction industry to a medical medication scene, fundamentally eliminates medication misreading risks caused by ambiguous characters, character ambiguity and cultural level differences, realizes the instinctive recognition and accurate execution of the whole population such as illiterates, the elderly with low vision and cognitive impairment, and has the remarkable technical effects of zero learning cost, full-process coverage and low cost and easy popularization.

The invention provides an intelligent visual perception training method and system based on a micro-view and a Gabor sighting mark, a medium, a program product and a terminal, and the method can generate personalized initial training regions and training sighting marks for different patients through importing a micro-view inspection result and combining with the positioning of a residual function region and micro-view sensitivity, thereby improving the training efficiency. Therefore, the training effect is obviously improved. Meanwhile, stimulation parameters are dynamically adjusted according to patient performance, so that the training content is always matched with the visual ability level of the patient. The characteristics of controllable spatial frequency, direction, contrast ratio and the like of the Gabor sighting target are utilized to construct a multi-level task from easy to difficult, and the diversity and suitability of training are improved. The data-driven weight mechanism not only enhances the scientificity of training, but also provides visual rehabilitation progress reference for clinicians. According to the method, the precise positioning capability of the micro-view and the multi-dimensional stimulation advantage of the Gabor visual target are fully utilized, and the rehabilitation effect and compliance of the low-vision patient are remarkably improved by combining the precise positioning capability with the multi-dimensional stimulation advantage of the Gabor visual target.

The utility model provides a low-vision reading or writing support. The low-vision reading or writing support comprises a supporting frame, a containing plate is arranged at the top of the supporting frame, the containing plate is obliquely arranged, the inclination angle can be adjusted according to needs, two red boundary prompt red fixing strips are arranged on the containing plate, the two red fixing strips are symmetrically arranged, and the two red boundary prompt red fixing strips are arranged on the containing plate. A magnifying lens is arranged on the side, close to the red fixing strip, of the containing plate, a connecting mechanism is arranged on the magnifying lens, and the connecting mechanism is installed on the side, away from the red fixing strip, of the containing plate. The low-vision reading or writing support has the advantages of being convenient to use, capable of adjusting the position of the magnifying glass and capable of fixing writing or reading materials.

The invention discloses a bamboo stick quality and strength detection system based on AI vision, and relates to the technical field of bamboo stick detection.The bamboo stick quality and strength detection system comprises a bamboo stick conveying belt, an upper vision camera module, an upper pressure module and a lower vision camera module, the upper vision camera module is arranged above the front side of the bamboo stick conveying belt, and the upper pressure module is arranged above the middle of the bamboo stick conveying belt; a lower visual camera module is arranged on the lower portion of the rear side of the bamboo stick conveying belt, lower connecting supports are fixedly arranged on the two sides of the upper visual camera module, the lower ends of the lower connecting supports are fixedly connected with the outer supporting frame, upper connecting blocks are fixed to the two sides of the middle of each lower connecting support, and lower wedge-shaped blocks are slidably arranged on the lower portions of the upper connecting blocks in the vertical direction. The lower wedge-shaped block guides the bamboo stick to rotate circumferentially to adjust the turning face, the upper visual camera module achieves comprehensive detection work on all the positions of the bamboo stick, and the problems that detection omission is prone to occurring on the side, back to detection equipment, of the bamboo stick, and effective detection on all the positions of the bamboo stick cannot be achieved are solved.

1. Name of the product in this design: Vision imaging device. 2. Purpose of this design: This design is intended to be used as a visual magnification device for people with low vision when reading, and the screen can be adjusted to landscape or portrait mode as needed. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

A supporting case for use with a smart device such as a smart phone to assist a visually impaired individual. The case has a lower surface for positioning over a viewing surface containing material to be viewed by the individual and a pocket configured and dimensioned to receive and support the smart device. The case includes one or both of a lifting system for lifting and holding the case hands-free at a pre-set distance above the material to be viewed and a distance viewing system to view material not underneath the case.

The present invention discloses a measurement method, compensation method and measurement system for the deviation of a mounted component, which relates to the field of chip mounting technology, and solves the technical problem that it is difficult to measure the deviation after mounting in photoelectric characteristic measurement, defective products are easily produced, and production costs are increased. The method comprises: photographing the first component through a first component upper visual system and a first component lower visual system to obtain the relative position of the upper surface alignment feature and the lower surface alignment feature of the first component; photographing the upper surface of the second component carried by the carrier table through a second visual system to obtain the relative position of the alignment feature of the upper surface of the second component; photographing the upper surface of the first component and the upper surface of the second component in the mounted component through a third visual system to obtain the deviation information of the first component and the second component in the mounted component. The present invention photographs the first component and the second component respectively to obtain the surface alignment features, and photographs the mounted component through the third visual system to obtain the deviation information, and the operation is simple and convenient.

The utility model belongs to the technical field of PCB processing, and particularly relates to an AI visual inspection machine which comprises a rack, a lower visual mechanism, a glass detection platform, a glass upper cover plate, a glass upper cover moving mechanism, an upper visual mechanism, a feeding box mechanism, a plate taking mechanism and a discharging box mechanism. And the glass upper cover plate and the glass detection platform form a detection channel. The lower vision mechanism comprises a lower vision moving assembly and a lower vision detecting assembly. The upper visual mechanism comprises an upper visual moving assembly and an upper visual detection assembly, the upper visual moving assembly is connected to the rack, the upper visual detection assembly is connected to the upper visual moving assembly, and the upper visual detection assembly is arranged above the glass upper cover plate. According to the AI visual inspection machine provided by the invention, all the mechanisms cooperate with one another, high-definition images are simultaneously and quickly obtained from two sides, and AI automatic judgment is performed to complete the detection work, so that manpower is reduced, risks of manual misjudgment and product contact are avoided, and the detection precision and efficiency are improved.

The invention belongs to the technical field of product assembly and detection, and discloses an assembly and test production line for various small products, which comprises a first workbench, a second workbench, a third workbench and a fourth workbench, and a shuttle module assembly and a manual operation unit are arranged between the adjacent workbenches. A six-axis mechanical arm with an upper vision is arranged in the middle of each workbench, a combined suction tool is arranged at the free end of each six-axis mechanical arm, each workbench is further provided with a lower vision, an NG belt line and a quick-change disc supporting frame, and each workbench is provided with various modules used for assembly and detection around the corresponding six-axis mechanical arm. The assembly test production line is small in occupied area, high in integration level, high in assembly production efficiency, low in manual labor intensity, good in applicability, capable of conducting assembly detection on small products of different types, and lower in manufacturing cost compared with an original multiple production line.

The invention particularly relates to a training system for improving a low-vision crowd contour recognition function, and relates to the technical field of visual function training. A training image generation module; a training process control module; and a data recording and analyzing module. According to the invention, based on the functional condition characteristics of the low-vision crowd, through targeted training image design, rigorous training process control and synchronous combination of training auxiliary equipment, the low-vision crowd is effectively helped to improve the ability of integrating multiple visual features into contour features, various visual difficulties encountered by the low-vision crowd in daily life are reduced, and the visual experience of the low-vision crowd is improved. The life quality is improved.

The utility model relates to an automatic earphone cabin loudspeaker assembling device, the specific structure is that the automatic earphone cabin loudspeaker assembling device comprises a streamline mechanism and a material conveying module arranged on the streamline mechanism, the material conveying module comprises a material conveying motion module and a material conveying clamping jaw, and the streamline mechanism comprises a return line module and a main line module. The motion trail of the material conveying clamping jaw covers the return line module and the main line module, a mechanical arm module, a visual module and a feeding module are sequentially arranged along the main line module, and the visual module is divided into an upper visual system, a lower visual system and a feeding visual system. The feeding module comprises a feeding conveying belt and a feeding supporting frame arranged on one side of the feeding conveying belt, a feeding tray is detachably connected to the feeding supporting frame, a feeding hole matched with the feeding tray is formed in the feeding supporting frame, a discharging carrying module and a material throwing module are fixedly arranged at the tail end of the main flow line module, the surface of the material throwing module is inclined, and the discharging carrying module and the material throwing module are fixedly arranged on the main flow line module. And by arranging an automatic material conveying and feeding structure, the automatic assembling effect is achieved.

The present application relates to the technical field of human-computer interaction, and provides a line-of-sight tracking method for a head-mounted optical visual aid, comprising the following steps: firstly, pre-processing the collected image; secondly, judging the region where the visual aid is located; thirdly, solving the problems of occlusion and deformation of the pupil to obtain the pupil contour; fourthly, modeling the pupil and the eyeball according to the pupil contour and solving the parameters; and finally, realizing line-of-sight tracking through coordinate system conversion and single-point calibration. The present application can be used for line-of-sight tracking of a user in the case of wearing a head-mounted optical visual aid, can quickly and accurately complete the line-of-sight tracking task of the head-mounted optical visual aid, has good accuracy and robustness, and has positive significance for the attention mechanism research of low-vision people.