WO2022113225A1 - Dispositif haptique et système - Google Patents

Dispositif haptique et système Download PDF

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Publication number
WO2022113225A1
WO2022113225A1 PCT/JP2020/043934 JP2020043934W WO2022113225A1 WO 2022113225 A1 WO2022113225 A1 WO 2022113225A1 JP 2020043934 W JP2020043934 W JP 2020043934W WO 2022113225 A1 WO2022113225 A1 WO 2022113225A1
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WO
WIPO (PCT)
Prior art keywords
electrode
tactile
subject
unit
selection information
Prior art date
Application number
PCT/JP2020/043934
Other languages
English (en)
Japanese (ja)
Inventor
敏輝 和田
Original Assignee
日本電信電話株式会社
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 日本電信電話株式会社 filed Critical 日本電信電話株式会社
Priority to PCT/JP2020/043934 priority Critical patent/WO2022113225A1/fr
Publication of WO2022113225A1 publication Critical patent/WO2022113225A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer

Definitions

  • the present invention relates to a tactile device and a system that gives an electrical stimulus as a tactile stimulus to the body surface of a subject.
  • Non-Patent Document 1 Tactile sensation can be given by various means, but electrical stimulation by electrical signals is attracting attention because it can increase the amount of stimulation (information amount) without increasing the physical size of the device. ing.
  • the tactile sensation caused by electrical stimulation may be accompanied by tingling or tingling discomfort depending on the site and method of applying the electrical stimulation.
  • the present invention has been made to solve the above problems, and an object of the present invention is to provide a tactile sensation by electrical stimulation without discomfort.
  • the tactile device has a mounting portion mounted on the forearm of the subject, a housing fixed to the mounting portion and fixed to the body surface of the subject, and housed in the housing from one of the electrodes.
  • a stimulus generation that is composed of a first pulse signal flowing to the side of the other electrode and a second pulse signal flowing from the other electrode to the side of one electrode, and generates an electrical stimulation signal that is output first from the first pulse signal.
  • the circuit, the first electrode and the second electrode provided in the housing and applying the electrical stimulation signal to the body surface of the subject, and the electrical stimulation signal housed in the housing and transmitted from the terminal device via the network.
  • a reception unit that receives control information related to output, a controller that is housed in a housing and controls the output of an electrical stimulation signal by a stimulus generation circuit based on the control information received by the reception unit, and a mounting state of the mounting unit by the target person.
  • the control information includes information on whether or not an electrical stimulation signal can be output, and information on selecting whether to use one electrode as the first electrode or the second electrode. Is attached to the forearm and the housing is fixed to the subject's body surface. They are arranged apart in a direction orthogonal to the existing direction.
  • the tactile system includes the above-mentioned tactile device and a terminal device connected to the tactile device via a network. It includes a second input unit that accepts input of selection information by a person, and a transmission unit that transmits the input possibility information and selection information to the reception unit.
  • the subject provides a mark for confirming the wearing state of the mounting portion, and controls the output of the electrical stimulation signal based on the control information received by the receiving portion. Tactile sensation by electrical stimulation is given without discomfort.
  • FIG. 1A is an explanatory diagram showing a configuration of a tactile system according to an embodiment of the present invention.
  • FIG. 1B is a plan view showing the configuration of the tactile device 100 according to the embodiment of the present invention.
  • FIG. 2A is a configuration diagram showing the configuration of the tactile device 100 according to the embodiment of the present invention.
  • FIG. 2B is a configuration diagram showing a configuration of a terminal device 150 of a tactile system according to an embodiment of the present invention.
  • FIG. 3A is an explanatory diagram showing an example of arrangement of the first electrode 104 and the second electrode 105.
  • FIG. 3B is an explanatory diagram showing an example of arrangement of the first electrode 104 and the second electrode 105.
  • FIG. 1A is an explanatory diagram showing a configuration of a tactile system according to an embodiment of the present invention.
  • FIG. 1B is a plan view showing the configuration of the tactile device 100 according to the embodiment of the present invention.
  • FIG. 2A is a configuration diagram showing the configuration of the tactile
  • FIG. 4A is an explanatory diagram showing a signal A that is output first from the first pulse signal (direction a).
  • FIG. 4B is an explanatory diagram showing a signal A that is output first from the second pulse signal (direction b).
  • FIG. 5 is an explanatory diagram showing the configuration of another tactile system according to the embodiment of the present invention.
  • FIG. 6 is an explanatory diagram showing the configuration of another tactile system according to the embodiment of the present invention.
  • This tactile system includes a tactile device 100 and a terminal device 150 connected to the tactile device 100 via a predetermined network.
  • the tactile device 100 includes a mounting unit 101, a housing 102, a stimulus generation circuit 103, a first electrode 104, a second electrode 105, a reception unit 106, a controller 107, and a mark 108.
  • the mounting portion 101 is mounted on the forearm of the subject.
  • the mounting portion 101 is, for example, a belt.
  • the housing 102 is fixed to the mounting portion 101 and fixed to the body surface of the subject.
  • the housing 102 houses the stimulus generation circuit 103, the reception unit 106, and the controller 107. Further, the housing 102 is provided with a first electrode 104, a second electrode 105, and a mark 108.
  • the stimulus generation circuit 103 is composed of a first pulse signal flowing from one electrode to the side of the other electrode and a second pulse signal flowing from the other electrode to the side of one electrode, and outputs the first pulse signal first. Generates an electrical stimulation signal to be generated.
  • the first electrode 104 and the second electrode 105 apply the electrical stimulation signal generated by the stimulation generation circuit 103 to the body surface of the subject.
  • the first electrode 104 and the second electrode 105 are on the side where the arm flexor muscles of the forearm are arranged.
  • the subject's arms are arranged at intervals in a direction orthogonal to the extending direction. Further, in this state, the first electrode 104 is arranged on the side of the ring finger, and the second electrode 105 is arranged on the side of the thumb.
  • the first electrode 104 and the second electrode 105 can be arranged at a position where the arm flexor muscle is sandwiched.
  • the arm flexor muscle is one of the largest muscles in the forearm and is the site of constant bulging. Therefore, by arranging the first electrode 104 and the second electrode 105 along the arm flexor muscle, the first electrode 104 and the second electrode 105 can be stably arranged. Further, the first electrode 104 and the second electrode 105 can have a rectangular shape in a plan view with the direction along the arm flexor muscle as the longitudinal direction.
  • the reception unit 106 receives control information regarding the output of the electrical stimulation signal transmitted from the terminal device 150 via the network.
  • the control information includes information on whether or not to output an electrical stimulation signal, and selection information for selecting whether one electrode is the first electrode 104 or the second electrode 105.
  • the network is, for example, a wireless network such as Bluetooth (Bluetooth: registered trademark).
  • the controller 107 controls the output of the electrical stimulation signal by the stimulation generation circuit 103 based on the control information received by the reception unit 106.
  • the controller 107 is, for example, a microcomputer composed of a CPU (Central Processing Unit), and the CPU operates (executes the program) by a program expanded in the storage unit 109, as described above. The function is realized.
  • the mark 108 is used by the subject to confirm the wearing state of the mounting portion 101.
  • the mark 108 can be, for example, a rectangular parallelepiped structure provided on the outside of a predetermined side surface of the housing 102. Further, the mark 108 may be a mark formed on the outside of a predetermined side surface. Further, the mark 108 may be a portion of a color different from other regions formed on the outside of a predetermined side surface.
  • the terminal device 150 includes a first input unit 151, a second input unit 152, and a transmission unit 153.
  • the first input unit 151 accepts input of availability information by the target person.
  • the second input unit 152 accepts input of selection information by the target person.
  • the terminal device 150 is provided with, for example, a touch panel 157, and approval / disapproval information and selection information are input by an input operation on the touch panel 157 of the target person.
  • the transmission unit 153 transmits the input / acceptability information and the selection information to the reception unit 106 of the tactile device 100.
  • the target person operates the terminal device 150 and inputs whether the arm (upper arm) equipped with the tactile device 100 is right or left (input of selection information).
  • the input information is received by the second input unit 152, and the terminal device 150 grasps the arrangement state of the first electrode 104 and the second electrode 105 based on the input information, and one of the above-mentioned electrodes. Is determined to be the first electrode 104 or the second electrode 105, and this selection information is transmitted to the tactile device 100.
  • the selection information is transmitted from the transmission unit 153.
  • the subject operates the terminal device 150 and inputs that the tactile device 100 is correctly attached to the arm (input of availability information).
  • the subject operates the terminal device 150 and inputs that the electrical stimulation signal can be output.
  • the input information is received by the first input unit 151, and is transmitted from the transmission unit 153 to the tactile device 100.
  • the mark 108 will be arranged at a position visible to the subject with the back of the hand facing up.
  • the subject can grasp that the tactile device 100 is correctly attached to the right arm, and can perform the above-mentioned input by operating the terminal device 150.
  • the second electrode 105 is arranged on the side of the housing 102 where the mark 108 is provided, the second electrode 105 is placed on the outside with the back of the hand facing up and the arm flexor muscle of the right arm.
  • One electrode 104 is arranged, and the second electrode 105 is arranged inside.
  • the mark 108 is arranged at a position that can be seen by the subject with the back of the hand facing up. Also in this case, with the back of the hand facing up, the first electrode 104 is arranged on the outside and the second electrode 105 is arranged on the inside by sandwiching the arm flexor muscle of the left arm.
  • the stimulus generation circuit 103 controls the first pulse signal and the second pulse signal of the tactile device 100, which can output the electrical stimulation signal from the terminal device 150 and receives the selection information described above. It is composed of, and generates an electrical stimulation signal that is output first from the first pulse signal.
  • the first pulse signal is a signal flowing from the first electrode 104 to the side of the second electrode 105.
  • the second pulse signal is a signal flowing from the second electrode 105 to the side of the first electrode 104.
  • the first electrode 104 and the second electrode 105 are arranged, and the direction in which an electric signal flows from the first electrode 104 to the second electrode 105 through the body surface of the living body (upper arm) is a.
  • the direction in which the first pulse signal flows is a, and the direction in which the second pulse signal flows is b.
  • the electrical stimulation signal that produces the sense of touch is configured with a bipolar signal as shown in FIGS. 4A and 4B as a basic unit.
  • the signal A shown in FIG. 4A flows in the a direction (first pulse signal) and then in the b direction (second pulse signal).
  • the signal A is an electrical stimulation signal output first from the first pulse signal.
  • the signal B shown in FIG. 4B flows in the b direction (second pulse signal) and then in the a direction (first pulse signal).
  • the signal B is an electrical stimulation signal output first from the second pulse signal.
  • the electrical stimulation signal is output in the pattern of signal A, so that pain is reduced and no discomfort is accompanied.
  • Table 1 shows the results of tests performed on multiple subjects. In the test, the discomfort that occurred when the signal A was sent to the area A, the signal B was sent to the area A, the signal A was sent to the area B, and the signal B was sent to the area B for each subject.
  • the region A is the side on which the arm flexor muscles of the forearm are arranged, and the region B is the opposite side of the region A of the forearm.
  • the condition for giving the signal A to the region A is that the electrical stimulation signal is generated from the stimulation generation circuit 103 in a state where the tactile device 100 is correctly attached to the upper arm (a state in which one electrode is the first electrode 104). It is a condition.
  • the tactile device 100 is attached to the right arm (or left arm), but the tactile device 100 is in a position where the mark 108 is not visible to the subject with the back of the hand facing up. If this state is accepted as selection information, an electrical stimulation signal is generated from the stimulation generation circuit 103 with one of the electrodes as the second electrode 105.
  • the terminal device 150 can also include a camera 154, a selection information generation unit 155, and a pass / fail information generation unit 156.
  • the camera 154 photographs the mounting portion 101 mounted on the forearm of the subject.
  • the selection information generation unit 155 generates selection information from the wearing state of the wearing unit 101 taken by the camera 154 on the forearm of the subject.
  • the selection information generation unit 155 generates selection information based on the relative position of the mark 108 of the mounting unit 101 taken by the camera 154 with respect to the forearm of the target person.
  • the availability information generation unit 156 generates availability information from the attachment state of the attachment unit 101 taken by the camera 154 on the forearm of the subject. From the image taken by the camera 154, it is possible to recognize in which region of the arm and in which direction the tactile device 100 (housing 102) is arranged by image recognition. For example, when it is recognized that the tactile device 100 (housing 102) is arranged in the area B, information that the output of the electrical stimulation signal is negative is generated and transmitted to the tactile device 100. On the other hand, when it is recognized that the tactile device 100 (housing 102) is arranged in the region A, information that the electrical stimulation signal can be output is generated and transmitted to the tactile device 100.
  • the transmission unit 153 transmits the selection information generated by the selection information generation unit 155 to the reception unit 106, and also transmits the possibility information generated by the possibility information generation unit 156 to the reception unit 106.
  • a display may be provided on the tactile device 100, and an arrow may be displayed on the display to serve as a mark 108a.
  • the subject can confirm the mounting state of the mounting portion 101.
  • two arrow-shaped icons pointing in different directions are displayed, and by selecting one of the arrow icons, selection information can be input and determined (FIG. 5).
  • the terminal device 150 includes the camera 154, the selection information generation unit 155, and the pass / fail information generation unit 156, a state in which an arrow is displayed on the display of the tactile device 100 as a mark 108a is photographed by the camera 154.
  • image recognition of the state of the arrow in the captured image it is possible to recognize in which region of the arm and in which direction the tactile device 100 (housing 102) is arranged (FIG. 6). From this recognition result, the selection information generation unit 155 generates the selection information, and the possibility information generation unit 156 generates the possibility information.
  • the subject provides a mark for confirming the wearing state of the mounting portion, and controls the output of the electrical stimulation signal based on the control information received by the receiving portion. , The tactile sensation by electrical stimulation will be given without discomfort.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • User Interface Of Digital Computer (AREA)

Abstract

Une première électrode (104) et une seconde électrode (105) sont utilisées pour appliquer, à une surface corporelle d'une personne cible, un signal d'électrostimulation qui comprend un premier signal d'impulsion circulant d'une électrode vers l'autre électrode et un second signal d'impulsion circulant de l'autre électrode vers la première électrode, ledit premier signal d'impulsion étant émis en premier. Un boîtier (102) est pourvu d'un marqueur (108) qui est utilisé par la personne cible afin de confirmer un état de port d'une partie portable (101).
PCT/JP2020/043934 2020-11-26 2020-11-26 Dispositif haptique et système WO2022113225A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/043934 WO2022113225A1 (fr) 2020-11-26 2020-11-26 Dispositif haptique et système

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Application Number Priority Date Filing Date Title
PCT/JP2020/043934 WO2022113225A1 (fr) 2020-11-26 2020-11-26 Dispositif haptique et système

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WO2022113225A1 true WO2022113225A1 (fr) 2022-06-02

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000172406A (ja) * 1998-12-02 2000-06-23 Sony Corp 力触覚呈示装置の制御方法
JP6334588B2 (ja) * 2016-03-10 2018-05-30 H2L株式会社 電気刺激システム
JP2018101243A (ja) * 2016-12-20 2018-06-28 日本電信電話株式会社 生体電気刺激装置、生体電気刺激システムおよび電気刺激提示方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000172406A (ja) * 1998-12-02 2000-06-23 Sony Corp 力触覚呈示装置の制御方法
JP6334588B2 (ja) * 2016-03-10 2018-05-30 H2L株式会社 電気刺激システム
JP2018101243A (ja) * 2016-12-20 2018-06-28 日本電信電話株式会社 生体電気刺激装置、生体電気刺激システムおよび電気刺激提示方法

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