Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

170 results about "Braille" patented technology

Braille (/breɪl/; French: [bʁaj]) is a tactile writing system used by people who are visually impaired. It is traditionally written with embossed paper. Braille users can read computer screens and other electronic supports using refreshable braille displays. They can write braille with the original slate and stylus or type it on a braille writer, such as a portable braille notetaker or computer that prints with a braille embosser.

Information acquisition system and method suitable for visually impaired people

The invention discloses an information acquisition system and method suitable for visually impaired people. The system comprises a hardware layer, a driving layer, an operating system layer, a middleware layer and an application layer which are sequentially in communication connection through interfaces. The application layer comprises a voice interaction module, a large model integration module and a braille conversion module; the hardware layer is used for collecting a voice input instruction and outputting a braille character sequence and a voice output result; the voice interaction module is used for converting a voice input instruction into a text input instruction and converting a text output result into a voice output result; the large model integration module is used for analyzing the text input instruction and generating a text output result; and the braille conversion module is used for converting the text output result into a braille character sequence, so that a hardware layer outputs the braille character sequence based on a timestamp alignment technology. Therefore, based on powerful semantic understanding and information retrieval of the large model integration module, accurate information acquisition is realized, and a five-layer decoupling architecture is adopted, so that the convenience of later system maintenance is improved.
Owner:ZHEJIANG LAB

Anti-counterfeiting traceability system and method based on Braille dot matrix codes

The invention provides an anti-counterfeiting traceability system and method based on a Braille dot matrix code, and the method comprises the steps: associating the multi-dimensional information of a whole life cycle of a product with the Braille dot matrix code through constructing a Braille dot matrix code generation rule of a fusion encryption algorithm and an error correction mechanism; storing the associated braille dot matrix code and product information to a block chain node to form a non-tampering traceability data chain; during verification, braille dot matrix codes are analyzed through visual scanning or tactile recognition, product information is extracted and subjected to consistency verification with hash values stored in the block chain, and tactile feedback interaction is provided for visually impaired users; and finally, anti-counterfeiting verification and full-process traceability of the product are realized, the use requirements of common users and visually impaired users are considered, and the problems that the existing anti-counterfeiting technology is easy to copy, the traceability data are unreliable and the traceability data are not friendly to visually impaired groups are solved.
Owner:GUANGZHOU LIFE CODE TECH CO LTD

Optical fiber sensing braille recognition method and system

The invention belongs to the technical field of braille alphabet identification, and discloses an optical fiber sensing braille alphabet identification method and system. Comprising the following steps: in a process that a user slides a finger to read braille, obtaining an original phase sequence output by an optical fiber sensor, and calibrating a dynamic response of each braille salient point based on a high-resolution time baseline to form dynamic phase mapping corresponding to a fingertip sliding speed; under the support of dynamic phase mapping, a time sequence difference operator is introduced, and a burst gradient exceeding a normal bump height change range is extracted by comparing phase evolution gradients of adjacent time slices. According to the invention, through a dynamic phase mapping and self-adaptive compensation method, accurate identification and correction of drift errors in braille signals are realized, and the identification accuracy and the anti-interference capability are improved; through combination of disturbance modulation and reverse modeling, regular drift is effectively stripped, character level recognition continuity and stability are ensured, and the method is suitable for braille information extraction in various complex environments.
Owner:NORTHEASTERN UNIV CHINA

Non-intrusive electronic medical record structured generation, traceability verification and automatic filling method and system based on localized large model

The invention discloses a non-intrusive electronic medical record generating and filling method and system based on a localized large model. In order to solve the problems of medical privacy protection and heterogeneous system integration, a parameter compression large language model deployed in an intranet is utilized in the scheme, and doctor-patient dialogues are converted into structured medical records in real time. The core innovation lies in that a multi-modal traceability evidence chain is constructed, millisecond mapping of a generated text and an original record is established by using a cross attention (Cross-Attention) alignment mechanism, verification playback of'point word listening 'is supported, and the AI illusion trust crisis is effectively solved. Meanwhile, the semantic visual perception technology is adopted, an API interface does not need to be opened by an electronic medical record (EMR) manufacturer, an input control is intelligently positioned through OCR and screen semantic understanding, and manual operation is simulated to complete data injection. According to the invention, data leaving, result traceability and system zero transformation integration are realized.
Owner:朱涛

Music teaching touch equipment for blind people

The invention discloses a music teaching touch device for blind people, which comprises a supporting seat and a teaching touch seat, and a plurality of dynamic dot matrix seats are arranged on the teaching touch seat in an array. Three rows and two columns of flexible pads are arranged at the top of each dynamic dot matrix base to form a Braille display matrix, and an electromagnetic plunger assembly is arranged below each dynamic dot matrix base to independently drive each dot position to protrude and reset, so that dynamic display of music Braille and graphs is achieved. The bottom of the dynamic dot matrix seat is connected through a silica gel bowl, and a conducting strip is arranged in the bowl and can be in contact with a corresponding conducting material on a circuit board in the teaching touch seat. When a user presses the dynamic dot matrix seat displaying specific notes, pitch sounding of the notes is triggered. According to the invention, the dynamic tactile display function and the pressing input function are integrated, so that refreshing and interactive learning of the braille music score are realized, and a multi-mode feedback closed loop is realized through tactile sense, auditory sense and operation.
Owner:URUMQI VOCATIONAL UNIV

Braille printing method and system combined with 3D relief

The invention relates to computer aided design, and discloses a Braille printing method and system combined with 3D relief, and the method comprises the steps: carrying out the connection and fusion of a concave-convex topographic map and a multi-level depth map corresponding to each Braille dot matrix, and generating a dual-channel depth map as a printing pattern; controlling the 3D printing system to spray resin on the printing substrate based on the printing pattern read by the light field modulator, and scanning the surface of the resin by laser aiming at the braille dot matrix area to form a concave-convex structure corresponding to the concave-convex topographic map; on the adjacent side of the braille dot matrix area, a multi-wavelength DLP projection system is used for executing layered exposure, the embossment structure represented by the multi-level depth map is projected to the resin layer, and an embossment model is formed; and performing global curing on the whole printed piece based on ultraviolet light to form an integrated finished product of braille alphabets and 3D embossments. The invention further discloses a computer readable storage medium. The method aims at efficiently manufacturing seamless and high-precision multi-layer 3D embossment integrated finished products of braille alphabets and related semantics.
Owner:SHENZHEN JUJIN PAPER PACKAGING CO LTD

Smart switch (with Braille)

1. Name of the design product: Intelligent switch (with Braille). 2. Use of the design product: The design product is used for intelligent switch for controlling doors and windows. 3. Design points of the design product: In shape. 4. Picture or photo that best indicates the design points: Front view.
Owner:RAINBOW ANT (HANGZHOU) TECH CO LTD

Packaging box with braille alphabets

The utility model discloses a packing box with braille alphabets, which relates to the technical field of packing boxes, and comprises a groove structure area and a code scanning area which are arranged on a packing box body, braille alphabets are arranged in the groove structure, the depth of the groove is larger than the height of the braille alphabets, and the code scanning area is positioned on one side of the groove structure area. The groove structure area and the code scanning area are arranged on the packaging box body, and the braille protrusions are arranged in the groove structure, so that friction damage and pressing damage to the braille protrusions in the transportation and storage process are avoided, the identifiability of the braille protrusions is guaranteed, and through combination of braille and code scanning, the packaging box is more convenient to use. And the blind can conveniently acquire more and more accurate commodity information through the mobile phone through the code scanning area, so that the blind can conveniently identify and judge the commodity. The utility model has the characteristics of simple structure, low cost, strong practicability and good use effect.
Owner:YIXIANG HEALTH TECHNOLOGY CO LTD

Braille Touch Trainer

1. Name of the product in this design: Braille Touch Trainer. 2. Purpose of this design: To assist visually impaired individuals in Braille touch training. 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.
Owner:周皓洋

Braille dot display module

1. Name of the product in this design: Braille dot display module. 2. Purpose of this design: Electromechanical assistive device for visually impaired individuals. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.
Owner:FUZHOU XINLIN INTELLIGENT TECH CO LTD

Braille display (30-dot screen)

1. Name of the designed product: Braille display (30 square with screen). 2. Use of the designed product: Equipment for output in Braille for users with visual impairment to read Braille. 3. Design points of the designed product: In shape. 4. Picture or photo best indicating the design points: Perspective view 1.
Owner:INFINITE HORIZONS CO LTD

Intelligent bracelet

The utility model discloses an intelligent bracelet, which relates to the field of blind guiding, and is characterized in that an environment detection module is integrated in the intelligent bracelet, so that blind sidewalks and obstacles in a preset range can be identified; a main control chip integrated in the intelligent bracelet can control a prompt module to give out corresponding prompts according to the blind sidewalk and the obstacles recognized by an environment monitoring module, so that a wearer can walk on the blind sidewalk according to the prompts and safely avoid the obstacles, and in addition, compared with a blind guiding stick, the intelligent bracelet provided by the scheme is lighter, easier to carry and more convenient to use. And secondly, compared with the purchasing of a seeing-eye dog, the use of the intelligent bracelet is lower in cost, easy to obtain, simple to maintain, less in use limitation, free from the influence of factors such as territory and environment, and richer in functionality. And the braille button is arranged at the power switch of the intelligent bracelet, so that the intelligent bracelet is more convenient for the old and visually impaired people to use.
Owner:CHONGQING PRESCHOOL TEACHERS COLLEGE

Outputting braille or subtitles using computer game controller

To help a computer game player in understanding a computer game, upon pausing the game, visual subtitles may be presented. In addition, or alternatively, Braille representing subtitles may be output as a series of vibrations on a touch pad of the controller. When the person's finger reaches the edge of the touch pad, a new series of Braille subtitles may be presented. Depending on where the player is in reading the subtitles and how fast the player reads them, the game video may be slowed down from normal speed.
Owner:SONY INTERACTIVE ENTERTAINMENT LLC

Braille rack drum score teaching device

PendingCN122454804AProtective vestSoftware engineering
This invention discloses a Braille drum score teaching device, relating to the field of Braille drum score teaching technology. It includes a protective vest connected to teaching components. The teaching components include: a control assembly installed on the back of the protective vest; a control box fixedly connected to the back of the vest; a speaker fixedly connected to the control box; two sets of shoulder armor; and two sets of monitoring devices installed on the underside of the two sets of shoulder armor for monitoring the user's arm position. This Braille drum score teaching device, through the seven-degree inclined self-locking structure of the control box and the Braille display components, and electromagnetic drive transmission, achieves accurate display of the Braille drum score. It allows the blind user to read the drum score content promptly without affecting their drum practice; and it updates the Braille drum score promptly when the drum practice is correct, and pauses the update when the drum score is incorrect.
Owner:CHINA WEST NORMAL UNIVERSITY

System

An object of a system according to an embodiment is to enable a visually / hearing-impaired person to safely reach a destination using public transportation.SOLUTION: A system includes a availability status acquiring part, a braille block information acquiring part, a map generating part, and a voice guiding part. The availability status acquiring unit acquires availability status of each public transportation facility. The braille block information acquisition unit acquires braille block information of each local government body. The map generating unit generates a map based on the information acquired by the availability status acquiring unit and the braille block information acquiring unit. The voice guidance unit performs voice guidance based on the map generated by the map generation unit.SELECTED DRAWING: Figure 1
Owner:SOFTBANK GROUP CORP

Auxiliary device for visually impaired people to perceive colors in multiple dimensions

ActiveCN224206980UUnderstand the multidimensionality of imagesEye treatmentVisually impairedSmell Perception
The utility model belongs to the technical field of auxiliary devices, and particularly relates to an auxiliary device for visually impaired people to perceive colors in multiple dimensions, which comprises a book body, each page of the book body is respectively provided with a color marking card, a description card, an olfaction module and a touch module, different colors are marked on each page of the color marking card, and each page of the book body is provided with an olfaction module and a touch module. According to the braille learning book, visual impaired children can conveniently touch and read the braille learning book, the color marking cards and the touch module are fixedly connected with the book body through hook-and-loop fasteners, and shifting sense intercommunication is generated between various feelings and vision through the touch module and the olfaction module, so that things can be deeply known from multiple angles, and the visual impaired children can conveniently read the braille learning book. The visual impaired children can perceive colors in a more vivid and multi-dimensional mode, the feeling of the colors is deepened, description of the colors is more understood, and a certain foundation is laid for spoken language application and writing in the future.
Owner:谢蓓妮 +1

A braille printing device and a method of producing a braille printed matter

The application discloses a kind of Braille printing device, including base, several transmission channels for thermoplastic printing paper pass are set in base, and upper paper unit and cutting unit are respectively set in both ends on transmission channel, and upper paper unit and cutting unit are set with thermoplastic forming printing device between, thermoplastic forming printing device includes Braille printing device and heating module, Braille printing device is provided with multiple groups of Braille typewriting printing unit, heating module is embedded in transmission channel, and Braille typewriting printing unit and heating module are extruded thermoplastic printing paper to deform and print Braille typewriting on thermoplastic printing paper;Advantage lies in the device of the present application small, low cost, printed Braille printed matter is not easy to rebound, durable;The application further provides a kind of preparation method of Braille printed matter, including paper feeding process, thermoplastic printing and cutting recovery etc., simple operation, convenient and practical, suitable for blind group to print Braille label and application promotion.
Owner:ZHEJIANG UNIV

A voice-interactive teaching system integrating visual-tactile sensors and Braille recognition algorithms

The present invention discloses a voice-interactive teaching system that integrates a visual-tactile sensor and a Braille recognition algorithm. The system comprises: obtaining a Braille image through a tactile sensing module, obtaining an input instruction through a voice module, and adjusting a mode of a Braille translation module, wherein the adjusted modes include a teaching mode and a translation mode; in the teaching mode, the Braille image is preprocessed by the Braille translation module to obtain dot information, the dot information is recognized by the Braille recognition algorithm to obtain character information, and the character information is broadcasted through the voice module; in the process of recognizing single character information, the use of the Braille recognition algorithm also includes determining whether to use the Braille recognition algorithm for detection through a frame difference algorithm and an inter-frame minimum center distance algorithm; in the translation mode, the character information is detected through four columns of threshold lines according to the dot information to obtain the detected character information, and the detected character information is broadcasted through the voice module.
Owner:BEIJING UNIV OF POSTS & TELECOMM

Mechanism for a Braille display

The subject of the application is a mechanism for a Braille display in which ferromagnetic pins (3) are held in a matrix (2) by the action of permanent magnets (5) placed beneath them. The mechanism includes a movable slider (4), the movement of which causes the pins (3) to extend above the matrix surface (2), while the pins return to their retracted position automatically under the influence of magnetic attraction. The solution ensures stable retention of the pins in the matrix regardless of the device's orientation, and their cylindrical shape with rounded ends enables easy replacement without the need to disassemble the mechanism.
Owner:POLITECHNIKA KRAKOWSKA IM TADEUSZA KOSCIUSZKI

Neckband wearable device for converting speech into braille and editing same

PCT designated stageWO2026141761A1Transformation of textProcessing element
A neckband wearable device is disclosed. The neckband wearable device comprises: a body which can be mounted on a user's neck; a microphone which is provided in the body, recognizes speech, and converts the speech into audio signals; and a data processing unit which is embedded in the body, converts the audio signals into text by using an artificial intelligence algorithm, and converts the text into braille data.
Owner:BYUN JU YOUNG +1

High-precision real-time blind Chinese translation method and system

A high-precision real-time Braille-Chinese translation method comprises the following steps: acquiring a Braille image by using a camera configured with a specific lateral parallel light source, and preprocessing the Braille image to obtain a first image; inputting the first image into the model, obtaining bounding box information of all detected Braille salient points, and extracting Braille coordinates and sizes; fitting the overall trend of the braille line by using all detected blind spot coordinates and adopting least square linear regression, calculating to obtain an inclination angle, generating a rotation matrix through the inclination angle, and performing affine transformation on all blind spot coordinates to obtain a corrected second image; performing structure segmentation on the second image to obtain a blind character point set; and converting the content of the blind character point set into Chinese content based on a conversion rule of Braille and Chinese characters. According to the method, a complete algorithm link from image original blind spot detection to structured analysis to final Chinese text translation is constructed. And automatic braille recognition and translation with high precision and high robustness are realized.
Owner:GUANGZHOU CITY UNIV OF TECH

A braille embosser for cartridge production

The utility model relates to the technical field of stamping press, concretely is a kind of braille stamping press for medicine box production, it includes: device body, the device body includes equipment body, the equipment body both sides slidingly connected have printer;The equipment body top both sides are provided with adjusting mechanism, the adjusting mechanism includes support pile, the support pile top inside rotationally connected has adjusting screw rod.The utility model places medicine box paperboard in equipment body, then rotates the angle of positioning plate, to utilize positioning plate cooperation equipment body to carry out clamping fixation to medicine box paperboard, and can utilize compression spring to make elastic adjustment of limit ring, utilize slide bar to move limit ring and limit, and limit ring is inserted in the limit slot of support pile and is opened, the angle of limit ring is limited, to realize the positioning effect to medicine box paperboard, avoid the problem of medicine box displacement when carrying out stamping.
Owner:SHANDONG LU XIN TIANYI PRINTING CO LTD

Braille raised bead positioning and pressure feeding device

The utility model discloses a braille raised bead positioning and pressure feeding device which comprises a machine frame, a machine head assembly and a driving assembly, the machine head assembly and the driving assembly are installed on the machine frame, the driving assembly can drive the machine head assembly to move horizontally, the machine head assembly comprises a punching cutter, a punching driver, a braille pen and a braille extrusion driver, a plurality of braille balls are contained in the braille pen, and the braille protruding bead positioning and pressure feeding device is installed on the machine frame. The punching driver can drive the punching cutter to vertically move so that the punching cutter can machine Braille holes in the corresponding positions of the Braille board, and the Braille extrusion driver can drive the Braille pen to vertically move and make Braille beads in the Braille pen be embedded into the Braille holes one by one. The wear resistance of the blind spots is improved, the universality of material selection is improved, meanwhile, the flexibility and diversity of the braille patterns are improved, further, the inlaying mode has higher stability, the problem that the blind spots fall off in different temperature environments is solved, and the reliability is improved.
Owner:HANGZHOU IECHO SCI & TECH CO LTD

A blind Chinese-English translation method, system and device fusing multiple features

This application relates to the field of Braille translation, specifically to a method, system, and device for Braille-to-Chinese translation that integrates multiple features. It includes acquiring Braille data to be translated; inputting the Braille data to be translated into a language model for translation to obtain the Chinese translation result; the language model includes a dot matrix encoding layer, a feature extraction layer, a word embedding layer, a feature fusion layer, an encoding layer, and a decoding layer; the Braille data to be translated is input to the word embedding layer to obtain word vectors, and then to the dot matrix encoding layer to obtain Braille dot matrix encoding vectors. The Braille dot matrix encoding vectors are then processed by the feature extraction layer to extract higher-order dot matrix structure features to obtain higher-order dot matrix structure feature vectors. The word vectors and the higher-order dot matrix structure feature vectors are then input to the feature fusion layer for feature fusion to obtain a fused vector. The fused vector is encoded by the encoding layer and then decoded by the decoding layer to obtain the Chinese translation result. This application can perform Braille-to-Chinese translation and has significant application value.
Owner:THE EYE HOSPITAL OF WENZHOU MEDICAL UNIVERSITY +1

A bright blind contrast information storage medium and application

This invention belongs to the field of information storage materials technology and discloses a visual-blind comparative information storage medium and its application. This visual-blind comparative information storage medium is prepared by reacting a liquid crystal matrix (LCE) material with photochromic molecules and dynamic covalent bonds. This invention prepares a visual-blind comparative information storage medium with light-tunable fluorescence, thermally reconfigurable shape, and self-healing functions. Fluorescent information is reversibly written under the control of ultraviolet and visible light. By activating a dynamic covalent bond exchange reaction at high temperature, the shape of the fluorescent LCE film is programmed, and tactile Braille information is reversibly written. Combining visible fluorescent information with tactile Braille provides visual-blind comparative information that can be read by all users (including the visually impaired). Furthermore, utilizing the self-healing function of the fluorescent LCE film, free combination of information is achieved, eliminating the need for frequent mask replacements during information recording.
Owner:BEIJING UNIV OF CHEM TECH

Embedded device-oriented Chinese character braille conversion method and system

The invention discloses a Chinese character braille conversion method and system oriented to embedded equipment. The method comprises the following steps: firstly, linearly storing a Chinese character pinyin library according to a GB2312 coding sequence, wherein each Chinese character pinyin data record adopts a fixed-length L byte; secondly, analyzing an area code byte Qh and a bit number byte Q1 from the GB2312 code; calculating a physical offset address of the Chinese character pinyin data according to the area code byte Qh and the bit number byte Q1, and adding the physical offset address with the initial physical address to obtain a final physical address; directly reading the Chinese character pinyin data with the fixed length of L from the final physical address; and finally, converting the Chinese character pinyin data into 6-bit braille codes, converting the 6-bit braille codes into 8-bit data through bit splicing and regrouping, and outputting the 8-bit data to an 8-bit data latch to drive braille dot matrix display. According to the method, traversal searching is replaced by direct address calculation, the algorithm time complexity is improved, and the method is suitable for an embedded environment and has the advantages of being high in efficiency and low in resource occupation.
Owner:HANGZHOU DIANZI UNIV

Interactive tactile graphic and braille display system and method of use

A system enables interactive real-time refreshable tactile graphics and braille together enabling blind or visually impaired users to experience and interact with graphics and visual events live and in three dimensions. The tactile graphic display can set each pin in an array of pins to different intermediate heights, enabling users to experience topographical maps and other graphical elements such as shades and color represented as varying heights of pins. The system can simultaneously display high quality of tactile graphics and braille while allowing direct interaction with all digital media-providing real-time refreshable graphics and text in braille. The touch capability of the system enable users to point to any text on the graphic display and have it be instantly rendered in braille on the braille display, thus creating completely new paradigms for reading and creating content. The system further allows continuous monitoring of the touch data in real-time and updating the braille display with any corresponding text.
Owner:CHARI VENKATESH R

Braille dot matrix display device with self-locking function

ActiveCN223436273UTeaching apparatusDot-matrix displayDisplay device
The utility model relates to the technical field of braille dot matrixes, in particular to a braille dot matrix display device with a self-locking function. A braille dot matrix display device with a self-locking function comprises a base, a middle shell and the like, the top of the base is fixedly connected with the middle shell, the top of the middle shell is fixedly connected with a top cover, six contact blocks are slidably arranged on the top cover at intervals, six electromagnet assemblies are evenly arranged in the base, and jacking assemblies are arranged in the six electromagnet assemblies. The six jacking assemblies correspond to the six contact blocks respectively. According to the utility model, the permanent magnet and the ejector pin move up and down by controlling the current direction so as to drive the contact block to ascend and descend, and self-locking is realized when the contact block ascends to the highest position or descends to the lowest position by utilizing the interaction of the steel ball, the iron core and the ejector pin, so that the problem that most braille display devices are difficult to realize dot matrix self-locking is solved, and the heating value is effectively reduced; stable touch force feedback is provided for a user, and the reading requirements of visually impaired people are better met.
Owner:赣州职业技术学院

Braille display and writing integrated electronic module

The invention discloses a Braille display and writing integrated electronic module, and belongs to the technical field of read-write auxiliary equipment for blind people. The module comprises a braille touch, a telescopic driving mechanism, an upper / lower PCB, a magnetic sensor and a shell. The telescopic driving mechanism adopts an electromagnet and a permanent magnet which are oppositely arranged up and down to form a bistable structure, and the braille touch points are driven to stretch out or retract by controlling the electrifying polarity to form a braille dot matrix; the magnetic sensor is used for detecting a point position state; an induction electrode is arranged on the upper surface of the module and used for detecting capacitance changes caused by finger approaching, module-level braille writing input and touch position detection are achieved, and multi-mode interaction is supported. The portable electronic braille terminal is compact in structure and low in cost, has display and writing functions, can feed back touch information, and is suitable for multi-module spliced portable electronic braille terminals. In addition, the invention further provides a universal module-level capacitive touch interaction device which can be independently applied to various man-machine interface devices.
Owner:陈峰

system

We provide the system. [Solution] Means for capturing information using a device for acquiring text, image, or video data, A computing device means for analyzing captured data and extracting important information, Means for converting extracted information into Braille format or vibration signals, An output device means for outputting the converted information to the user, A system that includes this.
Owner:SOFTBANK GROUP CORP