1194 results about "Blind persons" patented technology

A computer-aided communication and navigation system that uses a computer or other processor in wireless communication with Radio Frequency Identification (RFID) tags to aid a blind person. A communication module worn by the user receives information from one or more RFID tags readers and provides audio and, optionally, stimulatory information to the blind person. In one embodiment, a tag reader is provided in a walking cane. In one embodiment, tag readers are provided in one or more ankle bracelets or shoes. In one embodiment, a wireless (or wired) earpiece is provided to provide audio information to one or both ears. In one embodiment, audio information is provided through one or more transducers that couple sound through bones. The use of bone coupling allows the blind person to hear the sound information from the communication module in concert with normal hearing. The tag readers provided to the ankles or shoes communicate with the communication module to allow the blind user to navigate by following a “trail” of RFID tags.

A measuring system according to the present invention includes a biosensor 29, a measuring device 54 for assaying a specified component in a biological sample applied to the sensor 29, optional indicating equipment 56 which can be removed from the measuring device 54 and announces a measurement result by the measuring device 54 or the like by voice, and a guide 50 for guiding a target to be measured to the sensor 29. According to this measuring system, it is possible to remove the difficulty of performing locating operations when a blind person or a person having weak eyesight attaches/detached the sensor 29 to/from a connector 13 of the measuring device 54 or applies body fluid such as blood to the end of the sensor 29.

A blind aid device including enabling a blind person to activate the blind aid device; capturing one or more images related to a blind person's surrounding environment; detecting moving objects from the one or more images captured; identifying a finite number of spatial relationships related to the moving objects; analyzing the one or more images within the blind aid device to classify the finite number of spatial relationships related to the moving objects corresponding to predefined moving object data; converting select spatial relationship information related to the one or more analyzed images into audible information; relaying select audible information to the blind person; and notifying the blind person of one or more occurrences predetermined by the blind person as actionable occurrences.

The invention discloses an intelligent mobile phone blind-guiding device, comprising a mobile phone camera module, an embedded mobile phone processor, a software module, a mobile phone wireless signal emitting and receiving module, an input and output interactive module and a back ground server, wherein the mobile phone camera module comprises a mobile phone pick-up lens and an image sensor; the embedded mobile phone processor and the software module comprise an embedded processor and an embedded operating system of a mobile phone as well as application software running on the embedded operating system; and the application software is blind-guiding software. Feature analysis is carried out on collected images through a machine vision technology, and the features of field images are matched with obstacle parameters in a background database by using an artificial intelligence technology, thereby achieving recognition and position interpretation of barriers and using voice and vibratory modes to prompt a blind person to move. The blind-guiding device of the invention is in common use and is low in cost, and has functional expansibility and upgrading capabilities.

The invention discloses an electromagnetic push-pull Braille touch screen which comprises contacts with the number being the multiple of 6. Each six contacts are arranged in three rows and two lines so as to form a Braille unit; all the Braille units are assembled to compose the Braille touch screen; each contact comprises a base frame, a return spring, a coil, a permanent magnet, an iron core and a coil lead; one end of the return spring is connected to the bottom of the permanent magnet, and the other end of the return spring is fixed on the base frame; the coil and the iron core compose an electromagnet which is fixed at the bottom of the base frame; the coil lead is connected with an external control circuit for supplying power for the coil; and the top of the permanent magnet is hemispherical. The touch screen utilizes the electricity-to-magnetism principle, the Ampere's rule and the phenomenon that magnets with the same poles reprehend each other, and realizes the rising and reset of the contact through the thrust and pull generated by the permanent magnet and the electromagnet. The touch screen is in line with the formation rule of Braille and the using habits of blind persons, is simple in structure principle and easy to realize, and can realize the fast generating and updating of the Braille through being externally controlled by a common chip.

The invention provides keys of a mobile telephone for the blind, mainly comprising a key part and a circuit part, wherein the keys of the mobile telephone are made from thinner plastics, the circuit part below the keys is connected with an infrared induction device, and the infrared induction device is connected with an acoustic control system. When a blind person touches the keys by fingers, the infrared induction device can induct the fingers and is connected with the acoustic control system, and the blind person operates the mobile telephone by the reported corresponding functions of the keys. The invention has the obvious effect that two modes of infrared induction and acoustic control are utilized to help the blind person to better use the mobile telephone, the corresponding functions of positions inducted by infrared can be reported in a sound form, the blind person also can distinguish the functions by the sound even if the blind person can not see the mobile telephone, and the invention can help the blind person to better operate the mobile telephone.

The invention provides wearable ultrasonic guiding equipment. The wearable ultrasonic guiding equipment comprises a plurality of ultrasonic wave receiving and transmitting units, a plurality of mounting brackets, a walking parameter detection module, a road condition analyzing and automatic alarm parameter regulating module, an alarm module and a power supply module, wherein the plurality of ultrasonic wave receiving and transmitting units are used for transmitting ultrasonic waves and receiving ultrasonic echo waves reflected by a barrier; the plurality of mounting brackets are used for mounting the ultrasonic wave receiving and transmitting units and worn on corresponding body parts of a blind user; the walking parameter detection module is used for acquiring walking parameters of the blind user; the road condition analyzing and automatic alarm parameter regulating module is used for judging the existence of the barrier in the front and the change of ground flatness and acquiring barrier meeting time when the blind user is walking at a current speed through the walking parameters; the alarm module is used for sending barrier existence information and corresponding alarm information to the blind user; and the power supply module is used for supplying power to each module. The device can liberate two hands of a blind person when the blind person is walking, can fully detect the barriers in front of the body of the blind person and the ground and makes an early alarm by using an audio signal which represents the time when the blinder user meets the barrier when the blinder user is walking at the current speed, so that the walking safety of the blinder person is ensured.

An aid for a blind person (1), includes a distance sensor (3), which creates a distance image of an object (2). The distance information that is generated by the distance sensor (3) is transmitted to a tactile matrix (10), which is integrated into a guide stick (11). The blind person (1) obtains information about his or her environment by touching the tactile matrix (10).

The invention relates to a pair of intelligent guiding glasses for blind person and belongs to the electronic information field. The invention consists of a needle-camera tube or CCD, a range sensor, a pair of glasses, an earphone, an information processing system, a imaging processing system, an A/D converter, a speech module, a GPS receiving module, a wireless emitting module, a battery and a data wire; wherein, the needle-camera tube or the CCD is arranged in the interior side of two glass legs and are connected with the information processing system through a sensor; the information processing system consists of a DSP image processing module, a wireless receiving module, a GPS receiving module and a speech output module. The intelligent guiding glasses has the advantages of little volume, light weight, reasonable and smart arrangement position of the needle-camera tube or CCD and the range sensor, high efficiency, little electricity consumption, convenient use and strong practicability.

An intelligent guide robot comprises a vehicle body, driving wheels, a radar module, a camera module and a guide connecting rod, and an intelligent guide robot control unit is arranged in the vehicle body. According to a guide method of the intelligent guide robot, mapping of unknown environments are performed in a visual ORB-SLAM (oriented fast and rotated brief-simultaneous localization and mapping) manner, map information of unknown scenes is described by the aid of three-dimensional point cloud information, the point cloud information is richer, so that the guide robot is accurately positioned in the unknown environments, targets such as outdoor traffic signal lamps and pedestrians can be more accurately identified and positioned, traveling safety of blind persons can be further improved, and the intelligent guide robot is simple in structure, convenient, practical and high in practicability.

The invention belongs to the technical field of intelligent household electrical appliances and particularly relates to a control method and a control device for a water dispenser, the water dispenserand a computer readable storage medium. The method comprises the following steps: detecting whether a water container is placed on a tray of the water dispenser; if yes, detecting the container height of the water container; detecting the water level height in the water container; calculating the difference value between the container height and the water level height; if the difference value islarger than a first threshold, controlling the water dispenser to inject water into the water container, returning to carry out the step of detecting the water level height in the water container andsubsequent steps until the difference value is small than or equal to the first threshold; and if the difference value is small than or equal to the first threshold, controlling the water dispenser tostop the injection of water into the water container. A user does not need to execute any additional operation in the whole process, so that the convenience degree of a blind person during the use ofthe water dispenser is greatly increased.

The invention relates to a traffic guiding system for assisting blind person to pass the intersection, as the prior sound hint system has bad guiding effect. The invention comprises a positioning device, a guide line, an electronic cane and a traffic light controller. Wherein the positioning device is arranged embedded to the ground adjacent to the outlet of the typhlosolis corresponding to the intersection. The guide line is arranged at the road between two positioning devices corresponding to the two sides of the road. The electronic cane and the positioning device establish optical communication with the opposite infrared light transmitting circuit and infrared light detection circuit through respective infrared light detection circuit and the infrared light transmitting circuit. The wireless communication circuit of the traffic light controller is connected with the wireless communication circuit signal of the electronic cane. The invention has simple technology and can obtain the position and direction of advance of blind persons, which is convenient for the traffic light controller to provide relative information and guarantee the safety of blind persons to the maximum.

The invention relates to a system suitable for a blind person to surf the Internet, comprising an automatic server news downloading system and a client application system. A server system can realize real-time news downloading, store the news into a server and realizes real-time updating; and a client system can correspondingly respond to voice input of the blind person by virtue of voice recognition and synthesis and outputs a voice. For special case of the blind person, the system realizes three core functions of the Internet, namely information acquisition, knowledge learning and interaction. By applying the system provided by the invention, the blind person can effectively listen to news by virtue of the Internet, listen to an electronic books, inquire encyclopedia nouns and report and listen to a post, wherein the news listening system can support the blind person to sequentially listen to news in programs, and the blind person can pay close attention to interested news by keyword search and related news search.

The present invention relates to a system and method for guiding the walking directions of a blind person using RFID blocks and, more particularly, to a system and method for guiding the walking directions of a blind person using RFID blocks, wherein an RFID reader wirelessly senses RF tags embedded in the blocks so as to guide walking directions by means of vibrations, buzzer sounds, and voice messages for guiding entry/exit directions, according to the types of pedestrian zones when a blind person walks along the blocks. The guiding system comprises: RFID tags for guiding the walking of a blind person; a plurality of blocks embedded in sidewalks which are divided into a junction zone block, a junction neighboring zone block and a general pedestrian zone block; a walking cane for receiving pedestrian zone information from the RFID tags in the plurality of blocks and outputting vibrations, sound effects and voice messages for guiding walking directions. The walking cane comprises: an antenna for receiving the pedestrian zone information by means of the RFID tags and a wireless transceiver; and a control part for generating vibrations when the blind person passes a general pedestrian zone block, generating vibrations and buzzer sounds when the blind person passes a junction neighboring zone, outputting vibrations and a voice guiding message for indicating a junction zone block when the blind person passes, and outputting vibrations and a voice guiding message for entry/exit directions when the blind person passes the junction neighboring zone block via the junction zone block.

The invention relates to a board for blind persons, which makes it easier to write, draw and learn shapes through positive relief elements that can be reused. When writing or drawing, it is possible to check what has been done and to correct errors detected with the fingertip (4). Said board has a grid (3) for picking up, putting down and storing small-size relief elements (1). Said relief elements are placed on a panel (2) with a matrix of holes, forming letters and drawings. There is a means for making copies of what was written or drawn. Drawing tools or stencils that can be attached with pins to the matrix of the panel are provided. Once the activity is finished, there is a means of collecting the relief elements and storing same in the container in the panel or the grid.

A computerized system for facilitating eye-free use, e.g. by the blind, of an electronic device, the system comprising an interface layer including a hierarchy of operating modes presenting a portion of a hierarchy of possible choices, each portion comprising possible users' choices within the hierarchy; and an OS for accepting, via a touch screen, selected options generated by the user responsive to the sequence of possible choices respectively, and for activating electronic device functionalities accordingly. The hierarchy of possible choices includes sequences of n possible choices presented within sequences of n operating modes having n predetermined archetypical formats each having at least one fixed characteristic. The interface layer includes an orientation signal generator for generating orientation signals, sensible by the user and uniquely associated with the archetypical formats. Generation of each orientation signal coincides with presentation of its associated archetypical format, to orient the user within the hierarchy.

The invention provides an electronic seeing-eye dog robot which is composed of a mechanical portion and an electronic portion. The mechanical portion comprises a vehicle body, a steering engine, a steering engine connecting mechanism, a direction wheel, an orientation wheel, a rotational joint, a hand pushing rod and an antenna mast. The electronic portion comprises an infrared sensor array, a voice module, a photoelectric switch, a geomagnetic sensor, an accelerometer module, a remote control receiving circuit, a central processing unit, a circuit base plate, a voltage stabilizer, a serial port circuit, a GPS module, a loudspeaker, a nickel-metal hydride battery, a remote controller, a camera and a GPS signal receiver. Autonomous navigation can be carried out through satellite positioning, course correction, posture detection and sidewalk line searching, the operation is carried out through remote control, related navigation information is broadcast through voice, the robot can automatically walk around a barrier, and the navigation service can be provided for a blind person or a visually-impaired person in the outdoor environment.