WO2001024140A1 - Système en braille - Google Patents

Système en braille Download PDF

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Publication number
WO2001024140A1
WO2001024140A1 PCT/JP2000/006642 JP0006642W WO0124140A1 WO 2001024140 A1 WO2001024140 A1 WO 2001024140A1 JP 0006642 W JP0006642 W JP 0006642W WO 0124140 A1 WO0124140 A1 WO 0124140A1
Authority
WO
WIPO (PCT)
Prior art keywords
braille
finger
finger braille
information
character
Prior art date
Application number
PCT/JP2000/006642
Other languages
English (en)
Japanese (ja)
Inventor
Hiroshi Wada
Akira Ichikawa
Mikio Uchiyama
Original Assignee
Double Research & Development Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Double Research & Development Co., Ltd. filed Critical Double Research & Development Co., Ltd.
Publication of WO2001024140A1 publication Critical patent/WO2001024140A1/fr

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B21/00—Teaching, or communicating with, the blind, deaf or mute
    • G09B21/02—Devices for Braille writing
    • G09B21/025—Devices for Braille writing wherein one tactile input is associated to a single finger
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B21/00—Teaching, or communicating with, the blind, deaf or mute
    • G09B21/02—Devices for Braille writing
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B21/00—Teaching, or communicating with, the blind, deaf or mute
    • G09B21/04—Devices for conversing with the deaf-blind

Definitions

  • the present invention is a system for transmitting information and intention for a blind and deaf person who has a visual and hearing impairment, and in particular, is capable of real-time and accurate information transmission to a person who is deaf and deaf, including emotions. To a finger braille system like this.
  • the present invention has been made in view of the above points, and enables information (particularly communication means, communication such as news, communication from the mass media, the Internet, and the like) to be transmitted to a deaf or blind person in real time,
  • the purpose of the present invention is to provide a finger braille system capable of communicating intentions including emotions.
  • a finger braille input unit for inputting braille with a finger hitting point, and data of at least one of the hitting time length and strength are transmitted together with the hitting point combination data.
  • a finger braille system is constituted by a communication system and a finger braille output unit for outputting as a finger braille based on the data received via the communication system.
  • a character information conversion unit for converting the character information received from the character information source into character data including inflection data related to the character information; and a finger braille that outputs the character braille based on the character data together with the intonation.
  • a finger braille system was configured with the output unit.
  • Fig. 1 is a diagram for explaining finger braille (Perkins type)
  • Fig. 2 is a diagram showing an example of the inflection phenomenon of finger braille
  • Fig. 3 (a) is a diagram explaining the inflection of finger braille with syntax information.
  • FIG. 4 is a diagram illustrating the basic configuration of the system according to the present invention
  • FIG. 5 is a diagram illustrating the input shown in FIG. 6A is a block diagram of the output unit shown in FIG. 4
  • FIG. 6B is a block diagram of one embodiment of the movable contact shown in FIG. 6A.
  • FIG. 7 is a diagram showing a second embodiment of the movable contact
  • FIG. 8 is a diagram showing the third embodiment of the movable contact
  • FIG. Fig. 10 is an axial cross-sectional view of the actuator shown in Fig. 9, Fig.
  • FIG. 11 (a) is the case where the same actuator is used as the output part
  • Fig. 11 (a) is Fig. 11 (b).
  • Fig. 12 is a configuration diagram when the finger braille system according to the present invention is applied to a finger braille telephone
  • Fig. 13 is a diagram of a platform where the finger braille system of the present invention is applied to a finger braille broadcast receiver.
  • Structure FIG. 14 is a configuration diagram of a platform where the finger braille system according to the present invention is applied to the Internet finger braille browser.
  • the voices used by healthy people on a daily basis include changes in the pitch, strength, and rhythm of the voice, in other words, intonation called intonation or accent.
  • the change over time is called "prosody information.” For example, it is obvious that it is extremely difficult to understand the contents at once from the character string "Nissan Niigatari".
  • the only Braille technology that has been taken up and used in the past is at this level.
  • FIG. 1 shows a basic configuration of a finger braille system according to the present invention.
  • the six braille characters 1, 2, 3, 4, 5, and 6 are used.
  • a stimulus is given to the fingertips of the blind and deaf as if the keys of the braille typewriter are pressed, and the intention and information are transmitted.
  • Such a correspondence is called a Perkins type, but a correspondence in which the right and left hands are reversed is called a light type.
  • the finger of the blind II is treated as the key of a braille typewriter, and the supporter sits beside the blind and deaf and presses on the finger of the blind ffl to hit the braille typewriter (usually Perkins). Type) or blind or deaf It is said that there are more light-type people, who face each other and press similarly on the finger of the blind and deaf (usually light-type).
  • Figure 2 shows an example of such a phenomenon.
  • the horizontal axis indicates the order of the hit points of the finger braille
  • the vertical axis indicates the length (hit time) of each finger braille in milliseconds.
  • the power of “I,” “Tomorrow,” “Anito,” “Karaoke,” and “I'm going” The relative finger braille at the end of each phrase is relatively long. are doing. It can be seen that the last finger braille “ta” in the phrase “tomorrow” and the last finger braille “wa” immediately before “me” are relatively long. What time do you go to karaoke? ⁇ Observing many examples, the finger braille inside the phrase is on the order of 200 milliseconds. Finger braille is about 300 to 400 milliseconds, and the highlighted phrase is relatively longer than the length of the preceding and following finger braille. High correlation with length has also been observed.
  • the strike time of each sound in the phrase is 200 ms
  • the voiced and semi-voiced dots are 100 ms
  • the length of the last sound in the phrase is 300 ms
  • the strike time of the last sound in the phrase Is defined as 400 milliseconds
  • the syntax tree is as shown in FIG. 3 (b)
  • the tree structure is similar to that of FIG. 3 (a).
  • the approximation can be further improved by setting the hitting time for the last note gradually longer in the order of time for each phrase. This can be explained reasonably, assuming that it takes a longer time to understand later and that it is a natural phenomenon to cope with it.
  • the present invention realizes a finger braille system that supports communication for the blind and deaf.
  • FIG. 4 shows a basic configuration of a finger braille system according to the present invention.
  • the finger braille system includes a finger braille human power unit 41, a communication system 42, and a finger braille output unit 43.
  • the finger braille input unit 41 is used to input information by using a total of six fingers, three each for the sender's left and right hands, and a combination of dots and a combination of length and strength of the dots. It has a function of detecting and a function of transmitting to the communication system 42.
  • the communication system 42 has a telephone system for a finger braille telephone and a function for receiving from a communication or broadcast network and a function for converting finger information into finger braille information in a finger braille broadcast receiver, Pinyunet finger braille browser.
  • the finger braille output unit 4 3 has a function of receiving from the communication system 42 and a function of outputting the combination of the points of the braille input from the shinyi and the combination of the length and strength of the points on the recipient's body surface.
  • the input unit is not the subject of the present invention, which refers to a conventional character broadcast input unit or an input function to an Internet server.
  • FIG. 5 shows an embodiment of the finger braille input unit 42 shown in FIG.
  • 51-1 to 51-6 are sensors that convert the pressure applied from six fingers by the sender's finger braille operation into electrical signals.
  • Sensors 5 1-1 to 5 1-6 are made of, for example, pressure-sensitive conductive silicon rubber sheet, and detect changes in resistance due to pressure. I do.
  • Reference numerals 52-1 to 52-6 denote low-frequency amplifiers, which are circuits for amplifying changes in resistance of the sensors 51-1 to 51-6 as minute voltage changes.
  • Reference numeral 53 denotes an analog Z-to-digital converter for converting the output voltage (analog) of the low-frequency amplifiers 52-1 to 52-6 into digital data.
  • the AD converter 53 is an 8-bit 8-channel AD converter. For example, a model number ADC0809) can be used, and 6 of the 8 channels are used. The voltage of each channel is measured sequentially and converted to digital data.
  • Numeral 54 denotes a data transmission circuit, which can use, for example, a commercially available Z80-based microcomputer board, and specifies a measurement channel of the AD converter 53 and extracts data.
  • the data transmission circuit 54 converts the parallel digital data (measured value) into serial data (RS232C) suitable for communication and transmits the data to the communication system 42.
  • Reference numeral 55 denotes a power supply circuit, which supplies power to each circuit from the sensors 51-1 to 51-6 to the data transmission circuit 54.
  • the power supply circuit 55 consists of an external commercial power supply (AC) and a built-in battery (DC).
  • FIG. 6A shows an embodiment of the finger braille output unit 43 shown in FIG.
  • 61 is a signal source
  • 62-1 to 62-6 is a voltage adjustment circuit
  • 63 is a control circuit
  • 64-1 to 64-6 is a low-frequency amplifier circuit
  • 65_1 to 65-5 is movable.
  • the contact, 66 is a power supply circuit.
  • the voltage adjustment circuits 62—1 to 62—6 are voltage adjustment circuits for attenuating or amplifying the output voltage of the signal source 61 and passing it to the low-frequency amplification circuit of the next stage.
  • This voltage adjustment circuit uses an operational amplifier. It consists of an electronic control potentiometer (256 resolution) sandwiched between the buffers. The output voltage can be adjusted from 0 to full scale in 256 steps.
  • the voltage adjusting circuits 62-1 to 62-6, the low-frequency amplifier circuits 64-1 to 64-6, and the movable contacts 65-1 to 65-6 are controlled by the control circuit 63.
  • the control circuit 63 is a circuit that controls the voltage adjustment circuits 62—1 to 62-6 to determine the presence / absence and strength of the output. This adjustment is sent externally (by RS 232 C) from the host computer or modem. Controlled by input. Host convenience In the evening, the data transmitted from the modem (via RS 232 C) is decoded by the microcombiner to determine the output voltage of the voltage regulator circuits 62-1 through 62-6.
  • the center of this circuit can be realized by, for example, a Z80 microcomputer board.
  • the output value of each channel is obtained from the received serial data, and the signal output of each channel is determined.
  • the low-frequency amplifier circuits 64--1 to 64--6 are power amplifier circuits for obtaining vibration output.
  • a monolithic power amplifier model number LM675
  • a good power amplifier can be constructed.
  • the movable contacts 65_1 to 65-6 are elements for transmitting the output voltage signal of the signal source 61 adjusted by the voltage adjusting circuits 62_1 to 62-6 to a finger.
  • the power supply circuit 66 supplies power to the signal source 61, the voltage adjustment circuits 62-1 to 62-6, the low-frequency amplifier circuits 64-1 to 64-6, and the movable contacts 65-1 to 65-6.
  • it consists of an external commercial power supply (AC) and a built-in battery (DC).
  • FIG. 6B shows one embodiment for realizing the movable contacts 65-1 to 65-6 in FIG. 6A.
  • 65a is a speaker magnet
  • 65b is a cone
  • 65c is a thin plate stretched on the upper edge of the cone 6 ⁇ b
  • 65d is a contact fixed to the center of the upper surface of this thin plate 65c.
  • 65 e is the top plate of the finger braille output unit.
  • the speaker power is used, and it is desirable to select a speaker having a small diameter and a large power. This is to make it easier to transmit vibration directly to the finger because the distance between the fingers is small.
  • a low-frequency source i-g 25 of about 100 Hz to 20 OHz is used as the signal source 61 to drive the speaker.
  • FIG. 7 shows a second embodiment for realizing the movable contacts 65-1 to 65-6 in FIG. 6 (a).
  • the second embodiment is an output mechanism using an electromagnetic actuator
  • FIG. 7 is a side sectional view for explaining the operation principle of the output mechanism.
  • the movable contact 72 which contacts the recipient's body surface such as a finger or palm and transmits Braille information, is connected by a holder 73, and is always in contact with the stopper 76 by a spring 75, and is stored in the case 74.
  • the output signal from the low-frequency amplifier circuit 6 4 _ 1 to 6 4-6 shown in Fig. 6 (a) to the electromagnet 71, it protrudes out of the hole provided in the case 74, It is structured to contact the table.
  • the signal source 61 shown in FIG. 6A is unnecessary.
  • the movable contact 72 is attracted to and attracted to the electromagnet 71 by the magnetic force, and the tip of the movable contact 72 protrudes from the case 74 to receive. Contact the body surface of the person.
  • the magnetic force of the electromagnet 71 can be adjusted by changing the voltage applied to the electromagnet 71, the attraction force and the attraction speed of the movable contact 72 can be easily controlled. By controlling the attraction force and the attraction speed of the movable contact 72 in this way, the sender can transmit the information with inflection.
  • the output mechanism of the electromagnetic actuating one-time type of the present embodiment can be used as an input mechanism which is the other of the two-way functions as a finger braille system. That is, as the sensors 51-1 to 51-6 in FIG. 5, the movable contact 72 pressed by a human finger stimulates the force sensor 77 arranged in the case 74, The speed and force information can be fed back to achieve the function of the input side.
  • FIG. 8 shows a third embodiment for realizing a movable contact.
  • This embodiment is an output mechanism using a DC motor
  • FIG. 8 is a side sectional view for explaining the operation principle of the output mechanism. Note that also in this embodiment, the signal source 61 shown in FIG. 6A is unnecessary.
  • the movable contact 82 which contacts the recipient's body surface such as a finger or palm and transmits Braille information, is fixed to the output shaft of the DC motor 81, and is always turned on by springs 83 and 84.
  • the stoppers 85 and 86 are stored in the case 87 without touching them.
  • This mechanism is not only an output mechanism, but also by pressing down the movable contact 82 with a person's finger, the DC motor 81 becomes a generator, and input by feeding back information on the depressed speed and force. It can also be used as a mechanism.
  • FIGS. 9 and 10 show an example of an input / output dual-purpose actuator used in the finger braille system according to the present invention.
  • the actuator 90 is provided with a pin receiving seat 92 using an electromagnetic actuator coil inside a cylindrical housing 91, and a pin receiving seat 92.
  • a holder 93 fixed to a lower portion, a spring 94 provided at a lower portion of the holder 93, and a sensor 95 on which the spring 94 is placed are arranged.
  • An output pin 96 is arranged supported by the holder 93, and a spring 97 is arranged around the lower half of the output pin 96.
  • a pressure-sensitive conductive sensor can be used as the sensor 95.
  • the output pin 96 is housed in the pin receiving seat 92 by the action of the spring 97, and the pin receiving seat 92 and the holder 93 are connected to the output pin 93. 6 and a spring 97 are built in, and are separated from the sensor 95 by the action of the spring 94.
  • the protruding state and the non-protruding state of the output pin 96 correspond to the movement of the sender's finger, and the other party receives information from the sender.
  • Information can be received as finger braille.
  • the sender strikes Braille by changing the length and strength of the hitting point, the length and strength change as the ejection time and output of the output pin 96, so that the other party can You can receive information accurately or with 4 Yongyang.
  • the movable contact is made using the signal generated by the hitting operation.
  • a method is conceivable in which the operation is performed in the direction opposite to the operation direction at the time of input so that the finger of the caller can sense.
  • the output pin 96 can be protruded by exciting the electromagnetic actuator for a short time to provide a feedback effect.
  • FIG. 12 shows a configuration diagram of a platform where the finger braille system according to the present invention is applied to a finger braille phone.
  • reference numeral 101 denotes a sensor for detecting a finger braille signal
  • 102 denotes a microcomputer having a function of converting the detected finger braille information from analog to digital and converting it into a code according to a predetermined order and code.
  • 103 is a modem, and the sensor 101, the coder 102, and the modem 103 correspond to the finger braille input unit 41 in FIG.
  • Reference numeral 94 denotes a general communication network, which corresponds to the communication system 42 in FIG.
  • Reference numeral 105 denotes a modem
  • 106 denotes a decoder having a function of converting a received code into a finger braille signal and a digital / analog conversion function
  • 107 denotes an output section for synthesizing and outputting a finger braille signal.
  • the finger in Figure 4 Corresponds to the Braille output unit 43.
  • the senor 101, the coder 102, and the modem 103 consist of a combination of the braille points with six fingers, at least three of the sender's left and right hands, and the time of the point. It has a function to detect the combination of length and strength and a function to transmit to the communication network 104.
  • the modem 105, the decoder 106, and the finger braille combining output unit 107 And a function of outputting the combination of the hit points input by the input unit and the combination of the time length of the hit points and the strength of the hit points on the body surface of the receiver.
  • code configurations There are various types of code configurations. As an example, a configuration is used in which 8-bit data is represented as one word, and every 10 milliseconds, information indicating the strength of six points of finger braille in 8 bits is successively provided after the header FF. Advantages of this configuration include the simplification of the configuration of the coder 102 and the decoder 106, and the realization of real-time communication because there is no time delay. Although the amount of transferred information is large, the speed at which the finger can be hit is not so high, so this is not a serious problem in practical use. However, it goes without saying that there is naturally a method of coding the change pattern of the hit point length and strength. Needless to say, a modem is not required when the communication system is digital.
  • FIG. 13 is a configuration diagram of a platform where the finger braille system according to the present invention is applied to a finger braille broadcast receiver.
  • 110 is a personal computer, in which 111 is an input signal of a teletext such as a radio wave or a cable broadcast signal, 112 is a teletext receiving unit, and 113 is a teletext receiver.
  • the character code string received in step 1 is a text synthesis program that performs morphological analysis and syntactic analysis from the character code string 113, divides it into phrases, and adds syntactic-related information and information such as reading accents.
  • 115 is a kana character code string to which information such as accent is added
  • 116 is a finger braille conversion program that converts character code string 115 to finger braille information
  • 117 is finger braille information
  • Reference numeral 18 denotes a finger braille combining output unit
  • reference numeral 119 denotes a finger braille output.
  • the teletext receiver 1 1 2 receives information from teletext. And convert it to character code.
  • the text synthesizing program 114 performs morphological analysis and syntactic analysis from the character code string, divides them into phrases, and adds information on syntactic relations and information on reading sentences.
  • the code conversion unit converts the braille code into a combination of the length of the hitting time and the strength of the hitting point.
  • the finger braille combining output unit 118 outputs finger braille.
  • a commercially available board for a personal computer or the like can be used.
  • a conventional speech synthesis rule program can be used as the text synthesis program 114. By using this, it is possible to obtain the position of clause boundaries and syntax information.
  • the finger braille conversion program 1 16 is a program for performing the processing described with reference to FIG.
  • FIG. 14 shows a configuration diagram of a platform where the finger braille system according to the present invention is applied to an Internet finger braille browser.
  • 121 is input information from the Internet
  • 122 is a general-purpose WWW browser
  • 123 is a personal computer operating system ( ⁇ S)
  • 124 is two-dimensional, generally using HTML or XML.
  • a structure conversion system that converts information describing a home page or the like into one-dimensional information such as voice in a design.
  • 125 is a text synthesis rule program in the embodiment shown in FIG.
  • Finger braille conversion rule program with finger braille conversion program 1 1 and 6 function 1 2 6 is a finger braille output unit
  • 1 2 7 is a mouse
  • 1 2 8 is a keyboard
  • 1 2 9 is a monitor .
  • the mouse 127, the keyboard 128, and the monitor 119 are added so that they can be shared with healthy persons and the like, and are not a main part of the present invention.
  • a general-purpose commercial product can be used for the WWW browser 122.
  • the structure conversion system 124 can also use the corresponding part of the speech browser for the visually impaired.
  • the WWW browser receives e-mail and homepage information sent via a communication system such as the Internet and converts it into a character string code. This information is converted by the structure conversion system 124 into a dimensional information sequence (from the screen information by the character code received by the receiving function).
  • the finger braille synthesis program 1 25 converts the braille code into a combination of the time length of the dot and the strength of the dot. Replace.
  • the finger braille output unit 1 26 outputs finger braille.
  • the keyboard 128 it would be desirable for the keyboard 128 to be made up of numeric keys so that characters could be entered by operating the numeric keys, as in the case of entering text in a memo of a mobile phone, in order to increase convenience.
  • a finger braille input unit is provided instead of a keyboard, and a control unit within it provides a function to convert to a code compatible with a general-purpose keyboard, and if it can be connected to a keyboard connector of a personal computer, it will be blind and deaf Needless to say, it can be more convenient for
  • the present invention enables accurate and real-time transmission of information (especially through communication means, communications such as news, mass media, the Internet, etc.) for blind and deaf people who have a visual and hearing impairment, It is possible to provide a finger braille system that can communicate intentions including emotions.
  • the finger braille system is an information collecting device that enables a blind and deaf person with a double impairment of vision and hearing to obtain in real time information from communication means such as a telephone, a mass media such as a television or a radio, or the Internet. It can also be used to communicate with blind or deaf or healthy people.

Abstract

Cette invention a trait à un système en Braille permettant de transmettre correctement des informations en temps réel (notamment par le biais de moyens de communication, de journaux, d'organes de diffusion, de l'Internet, etc.) à une personne malvoyante et souffrant de problèmes d'élocution, et lui permettant de communiquer ses intentions, y compris ses émotions. Selon l'un des aspects de cette invention, le système en Braille comporte un périphérique d'entrée en Braille permettant d'entrer un caractère par frappe manuelle, un système de communication transmettant des données selon une combinaison de frappe ainsi que selon une association de durée et de force de frappe, ainsi qu'un périphérique de sortie en Braille sortant, de manière satisfaisante, une information ou une information avec intonation et ce, au niveau du corps de la personne susmentionnée sous forme d'alphabet en Braille. Selon un autre aspect de cette invention, le système en Braille comporte une unité de conversion d'informations de caractères, émanant d'une source d'informations de caractères en données de caractères comprenant des données d'intonation correspondant aux informations de caractères, ainsi qu'un périphérique de sortie en Braille sortant une information avec intonation sous forme d'alphabet en Braille d'après les données de caractères.
PCT/JP2000/006642 1999-09-27 2000-09-27 Système en braille WO2001024140A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP31140999 1999-09-27
JP11/311409 1999-09-27

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Publication Number Publication Date
WO2001024140A1 true WO2001024140A1 (fr) 2001-04-05

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008029738A1 (fr) * 2006-09-01 2008-03-13 Japan Ecology Corporation Dispositif terminal de communication
ES2319047A1 (es) * 2007-06-07 2009-05-01 Fundacion Para El Progreso Soft Computing Dispositivo para el intercambio a distancia de sensaciones tactiles.
JP2013250692A (ja) * 2012-05-31 2013-12-12 Kyocera Document Solutions Inc 操作入力装置、情報処理装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06274268A (ja) * 1993-03-24 1994-09-30 Nippon Telegr & Teleph Corp <Ntt> 操作押圧力検出形情報入力方法及びインターフェース装置
JPH10301480A (ja) * 1997-04-25 1998-11-13 Nippon Hoso Kyokai <Nhk> 点字情報伝達装置
JPH11232185A (ja) * 1998-02-18 1999-08-27 Hitachi Ltd 視聴覚障害者の為のコミュニケーションシステム
JP2000047792A (ja) * 1998-07-28 2000-02-18 Dainippon Printing Co Ltd 点字情報を触覚を介して提示する装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06274268A (ja) * 1993-03-24 1994-09-30 Nippon Telegr & Teleph Corp <Ntt> 操作押圧力検出形情報入力方法及びインターフェース装置
JPH10301480A (ja) * 1997-04-25 1998-11-13 Nippon Hoso Kyokai <Nhk> 点字情報伝達装置
JPH11232185A (ja) * 1998-02-18 1999-08-27 Hitachi Ltd 視聴覚障害者の為のコミュニケーションシステム
JP2000047792A (ja) * 1998-07-28 2000-02-18 Dainippon Printing Co Ltd 点字情報を触覚を介して提示する装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008029738A1 (fr) * 2006-09-01 2008-03-13 Japan Ecology Corporation Dispositif terminal de communication
ES2319047A1 (es) * 2007-06-07 2009-05-01 Fundacion Para El Progreso Soft Computing Dispositivo para el intercambio a distancia de sensaciones tactiles.
JP2013250692A (ja) * 2012-05-31 2013-12-12 Kyocera Document Solutions Inc 操作入力装置、情報処理装置

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