306 results about "Braille" patented technology

The invention discloses a braille point display device. According to the Braille point display, the shape memory alloy material is used as the lifting structure, and the lifting structure is controlled to deform under the power-on condition, so that the point display part is driven to extend or retract relative to the mounting main body. Compared with piezoelectric driving and electromagnetic driving equipment, the shape memory alloy material can adjust the deformation quantity through the power-on state, large deformation quantity can be generated through a small structural material, the size of a lifting structure does not need to be increased, the driving structure of the braille convex points is effectively simplified, the size of the equipment is reduced, and the production cost of the equipment is reduced. And meanwhile, the locking mechanism is arranged, so that the telescopic state of the point display part is kept, the situation that the lifting structure is always kept in a power-on state is avoided, and the power consumption of equipment is reduced.

The invention discloses a multi-mode tactile and visual fusion identification method for medicine box braille salient point characters. The method comprises the following steps: acquiring three-dimensional morphology and pressure data of Braille salient points through a tactile sensor, acquiring an image and the like through a visual sensor, and performing preprocessing (improved U-Net segmentation, illumination correction and the like); hardware is utilized to trigger synchronization, an ICP algorithm is improved to complete space-time alignment, and a feature level (attention mechanism) and a decision level (D-S evidence theory) are fused; character semantics are analyzed by means of a multi-mode neural network, and multi-channel feedback is visualized through voice, tactile vibration and AR. A dynamic optimization mechanism is set, and sensor scheduling, incremental learning and safety verification are covered. The system comprises a tactile / visual perception module, a data processing module (FPGA + NPU), a feedback execution module and a communication module. According to the scheme, the problems of low traditional recognition precision and poor environmental adaptability are solved, high-precision medicine box braille recognition is achieved, and a reliable scheme suitable for multiple scenes is provided for safe medicine use of visually impaired people.

The invention discloses a barrier-free intelligent service scheme based on multi-modal fusion, and belongs to the technical field of intelligent equipment, and the method comprises the steps: determining a service type selected by a user according to the first input of the user, and switching to a corresponding service interface; determining a target service request selected by the user in the service interface according to second input of the user; searching target information in a background database according to the target service request; generating first text information and a first braille dot matrix of voice broadcast according to the target information; and calling a visual display module to visually display the target information, calling a voice broadcast module to broadcast the first text information by voice, and displaying the first braille dot matrix on a touch display module. According to the scheme provided by the invention, comprehensive and intelligent information query and in-station navigation service can be provided for special crowds.

The invention belongs to the technical field of braille input, and particularly relates to a braille input system, device and method, the input system comprises a braille input module, a braille display module, a communication module, a voice broadcast module, an algorithm processing unit and a core control unit, and the device is a contact display assembly and comprises a reset spring, a coil, a driving needle and an iron core. A plurality of round holes for accommodating the contact display components are formed in the shell, the iron cores, the reset springs and the driving needles are sequentially arranged in the round holes from bottom to top, the coils are sleeved on the iron cores, and the driving needles extend out under the action of the traction springs to form Braille convex points. According to the Braille input method, through hardware architecture optimization and multi-algorithm fusion, a Braille input solution with low cost, high portability and high recognition rate is realized, meanwhile, triple interaction modes of voice broadcast, visual display and tactile feedback are integrated, and the information interaction efficiency of visually impaired groups is remarkably improved.

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.

The invention relates to an organic artificial synaptic transistor pressure sensor based on a suspension structure and an array, a preparation method and application thereof, and belongs to the technical field of semiconductor devices and sensing. The pressure sensor is composed of a substrate, source and drain electrodes, a supporting layer and a suspension structure based on an organic semiconductor layer, a dielectric passivation layer, a polyelectrolyte dielectric layer and a flexible grid electrode, and current change is caused through contact change between the organic semiconductor layer and the source and drain electrodes so as to achieve pressure response. The pressure sensor has the advantages of low power consumption, fast response, high sensitivity, wide detection range and the like, and can simulate a biological synapse function to realize a pressure synapse characteristic which is crucial to complex signal processing. In addition, the integrated array of the pressure sensors can be combined with an algorithm to realize high-accuracy touch recognition of braille characters. The results provide a new opportunity for the potential application of the method in bionic electronic skin, touch imaging, electrical equipment monitoring, sensing, storing and computing intelligent terminals and man-machine interaction systems.

The embodiment of the invention discloses vehicle-mounted braille equipment, a control method and a vehicle. The vehicle-mounted braille equipment comprises a shell, a braille display module and a control module. The braille display module is located on the shell, and the control module is located in the shell. The braille display module is electrically connected with the control module, and the control module is used for controlling the braille display module to display braille. The control module is in signal connection with a vehicle cabin controller of the vehicle so that the vehicle cabin controller can conduct information interaction with the vehicle-mounted braille alphabet device. The vehicle-mounted braille equipment is in signal connection with the vehicle cabin controller of the vehicle, so that information interaction between the vehicle-mounted braille equipment and the vehicle cabin controller can be realized, a user with visual impairment can obtain vehicle information more accurately, some functions of the vehicle can be operated, and the user experience is improved. The riding experience of a user with visual impairment can be effectively improved, and the humanized design of the vehicle is improved.

The invention discloses a braille printing device which comprises a rack, a first rotating shaft and a first driving device used for driving the first rotating shaft to rotate are arranged on the rack, a female die is arranged on the first rotating shaft, and a sliding block is further connected to the rack in a sliding mode. An adjusting device used for driving the sliding block to slide to be close to or away from the first rotating shaft is arranged between the sliding block and the rack, a second rotating shaft and a second driving device used for driving the second rotating shaft to rotate are arranged on the sliding block, and a male die capable of being matched with the female die is arranged on the second rotating shaft; the female die comprises a rotary drum and a plurality of concave points arranged on the outer surface of the rotary drum; the male die comprises an outer clamp and an inner clamp which are detachably connected together, and a plurality of marble needles clamped between the outer clamp and the inner clamp, and the front end parts of the marble needles extend out of the outer clamp so as to be matched with the corresponding concave points when the female die and the male die rotate. The method has the advantages of being more efficient, accurate, economical and universal.

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.

The invention relates to the technical field of Chinese braille text intelligent conversion, and discloses a deep learning-based Chinese braille text intelligent conversion system, which comprises an input module, an image processing module, a data set construction and preprocessing module, a model training and optimizing module, an output processing module and a text conversion module, handwritten braille alphabets are recognized through mobile phone photographing, and the image processing module comprises image inclination correction and sharpening and braille alphabet image segmentation. The method comprises the following steps of: identifying by using a two-party model, leaving a part with confidence higher than a certain value, identifying the rest part by using a one-party model, leaving a part with confidence higher than a certain value, arranging the two parts according to a pixel sequence to form a format suitable for LLM input, and generating corresponding text representation; the problem that Chinese braille symbols are not in one-to-one correspondence with initial consonants and final consonants is avoided, conversion from Chinese pinyin to Chinese texts is achieved in combination with a large language model, and the error-tolerant rate of large language model translation to original texts is high.

The embodiment of the invention provides a reading assisting device, method and equipment and a storage medium, the reading assisting device comprises a host and a shell, the host is detachably arranged on the shell, a scanning module is arranged on the host, and the host is further used for being connected with an earphone. When a user needs reading assistance, the user can take down the host from the shell of the reading assistance device and use the scanning module to scan newspapers or magazines, after the scanning module collects image information on the newspapers or magazines, the host recognizes characters in the image information, converts the recognized characters into voice data, and sends the voice data to the user. The voice data is played through the earphone, so that a user can acquire information on newspapers or magazines through voice. According to the embodiment of the invention, the external information acquisition mode of the blind can be expanded, so that the blind can know text information without relying on braille alphabets, and the technical problem that the external information acquisition mode of the blind is limited in the existing mode is solved.

Proposed are a braille block with a QR code displayed for guiding the visually impaired and an information guidance system using the same, which more accurately provides the next movement information to the visually impaired on the basis of the movement route of the visually impaired and the entry direction into the current braille block analyzed through recognition of the QR code contained in the braille block, especially which analyzes and provides the information necessary to make corrections to the location of the braille block or corrections related to the QR code information contained in the braille block by analyzing whether the visually impaired actually move to or enter the guided braille block in the correct direction, and additionally which selects and provides customized information suitable for the corresponding visually impaired person among information contained in the QR code or content provided through the center server.

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.

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.

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.

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.

To provide a slide puzzle tool that is started readily and can expand a ring of communication with a sighted person through a game, and further allows a learning effect of being capable of reading and writing Braille to be expected.SOLUTION: In a slide puzzle tool 1, nine puzzle pieces 10 are disposed in a puzzle area R1. The puzzle pieces 10 can travel vertically and laterally in the puzzle area R1. The puzzle area R1 has nine small sections R11 that are square each. The puzzle pieces 10 have a Braille display projection 20 for displaying Braille, a character display section 30 for displaying a character or a figure corresponding to the braille, and a linear projection 60. The Braille display projection 20 can confirm a direction by a cutout 40 provided in a corner. When the puzzle pieces 10 are slid vertically and horizontally and are disposed in a previously assumed pattern, the linear projection 60 forms a continuous line.SELECTED DRAWING: Figure 4

The invention discloses an anti-counterfeiting traceability system and method based on Braille and constellations, and particularly relates to the technical field of anti-counterfeiting traceability. A special ink jet module; a decoding module; an anti-counterfeiting traceability verification module; and an anti-counterfeiting tracing module. According to the anti-counterfeiting traceability system and method based on the braille and the constellation, the complex coding form generated by the braille constellation code generation module is combined with the characteristics of the braille and the constellation, and the system and method have high uniqueness and are difficult to crack. The special point and the unique structure increase the security and anti-interference performance of the code and prevent illegal copying and cracking, meanwhile, through cooperative work of the anti-counterfeiting traceability verification module and the decoding module, comparison and judgment are carried out by depending on accurate decoding information, the authenticity of the commodity can be accurately identified, and according to rich traceability information in a database, a special decoding PDA and an applet, the anti-counterfeiting traceability of the commodity can be realized. The identification requirements of special ink jet printing codes can be met, and various types of codes can be effectively identified.

An apparatus and method for recognizing a Braille pattern are disclosed. The Braille pattern recognition apparatus includes a Braille input means that generates sensing information by measuring Braille while sliding over the upper part of the Braille, and a control unit that recognizes the measured Braille by applying a feature vector related to the sensing information to a recognition model that has completed learning about Braille, and generates a control signal to output a Braille pattern representing the meaning of consecutive Braille based on the recognized 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.

The utility model relates to the technical field of timing equipment for blind people, and discloses electromagnetic-driven timing equipment for blind people, which comprises a front shell module. The front shell module comprises a shell body; the key is arranged on the outer side wall of the shell body; the hour hand dial is arranged at the middle position of the upper surface of the shell body; the minute hand dial plate is arranged on the outer side of the upper surface of the shell body; the convex braille alphabets are arranged on the upper surfaces of the hour hand dial plate and the minute hand dial plate; the hour pointer ball groove is formed in the upper surface of the shell body; the minute hand ball groove is formed in the upper surface of the shell body and located on the outer side of the hour hand ball groove; the clock magnetic attraction ball is connected to the outer surface of the hour pointer ball groove in a sliding manner; the watch hand is made of a magnetic attraction material, is only used as a trigger source of the relay switch, does not need to be provided with a magnet, can be light and thin, and can solve the problem that the watch hand falls off from a clock movement hand shaft after a common blind person timing device passes a falling test and when a consumer wears the watch in daily life.

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.

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.

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.

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.

The present invention discloses an embedded music / Braille text conversion system capable of visually, audibly and tactilely synchronously presenting, which includes an acquisition module for acquiring musical scores in MusicXML format, a conversion module for converting the musical scores in MusicXML format into Braille musical scores consisting of Braille dots, and an output module for simultaneously outputting the Braille musical scores in three ways: visually, audibly and tactilely. The conversion system has a fast calculation speed and high accuracy, smoothly provides a new feasible means for Braille musical score information, and can realize the embedded function of visually, audibly and tactilely synchronously presenting Braille musical scores, with clear and accurate visual display, complete auditory reproduction, clear tactile sensation, and better presentation effect, which can further improve the efficiency of visually impaired people learning musical scores, and provide convenience for visually impaired people to acquire and touch-read a large amount of music materials.

In a road guidance using a Braille block, it has not been possible to determine a walking direction of a user only by a single Braille block. To solve the above problem, in a road guidance system including a mobile information terminal and a Braille block, the mobile information terminal includes a photographing processing unit, a QR code analysis processing unit that analyzes a QR code, a voice output processing unit, and a control unit, a QR code is affixed to the Braille block, and the control unit analyzes the QR code affixed to the Braille block photographed by the photographing processing unit using the QR code analysis processing unit to obtain QR code information, generates road guidance information generated based on a walking direction of a user holding the mobile information terminal from the QR code information, and outputs the road guidance information from the voice output processing unit as a voice.

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.

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.