WO2021215468A1 - Dispositif de présentation de sensation, système de présentation de goût, procédé de présentation de goût et procédé de présentation de sensation - Google Patents

Dispositif de présentation de sensation, système de présentation de goût, procédé de présentation de goût et procédé de présentation de sensation Download PDF

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Publication number
WO2021215468A1
WO2021215468A1 PCT/JP2021/016159 JP2021016159W WO2021215468A1 WO 2021215468 A1 WO2021215468 A1 WO 2021215468A1 JP 2021016159 W JP2021016159 W JP 2021016159W WO 2021215468 A1 WO2021215468 A1 WO 2021215468A1
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Prior art keywords
sample
taste
electrolyte
electrode
voltage
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PCT/JP2021/016159
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English (en)
Japanese (ja)
Inventor
芳明 宮下
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学校法人明治大学
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Priority to JP2022517070A priority Critical patent/JPWO2021215468A1/ja
Publication of WO2021215468A1 publication Critical patent/WO2021215468A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/20—Applying electric currents by contact electrodes continuous direct currents
    • A61N1/30—Apparatus for iontophoresis, i.e. transfer of media in ionic state by an electromotoric force into the body, or cataphoresis
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation

Definitions

  • the present invention relates to a sensation presentation device, a taste presentation system, a taste presentation method, and a sensation presentation method.
  • a person chooses one taste (eg, salty taste) selected from a plurality of humanly perceptible tastes (for example, five tastes called basic tastes, that is, sweetness, salty taste, acidity, bitterness, and umami).
  • a device that controls the user's perception of the one taste by using a solution containing an electrolyte that makes the taste feel (see Patent Document 1).
  • the present invention has been made in view of the above-mentioned problems of the prior art, and provides a sensation presenting device, a taste presenting system, a taste presenting method, and a sensation presenting method capable of presenting a sensation desired by the user to the user. do.
  • the sensory presenting apparatus includes a first electrolyte that binds to a predetermined first receptor among the receptors possessed by a predetermined organism.
  • the first sample is solidified, comprising a voltage variable portion, a power source for applying a voltage between the electrode and the second terminal, and between the electrode and the fourth terminal, respectively.
  • the sensation presenting device which is a sample that can leak the first electrolyte
  • the second sample is a solidified sample and is a sample that can leak the second electrolyte. Is.
  • the organism is a human being
  • the first electrolyte is an electrolyte that causes a human to perceive the first sensation among a plurality of sensations that can be perceived by a human.
  • a configuration may be used in which the second electrolyte is an electrolyte that causes a person to perceive a second sensation different from the first sensation among a plurality of sensations that the person can perceive.
  • the sensation presenting device is further provided with a mask member that covers the human mouth, and the mask member is formed with a third opening through which the first member is inserted.
  • a configuration may be used in which the first member is inserted through the three openings and the electrodes are provided inside the mask member.
  • the configuration in which the electrode is a handle gripped by a person may be used.
  • the first sensation is the first taste among a plurality of tastes that can be perceived by a person
  • the second sensation is a plurality of tastes that can be perceived by a person.
  • a composition may be used, which is a second taste different from the first taste among the tastes.
  • the first voltage variable unit is controlled based on the content of the first taste detected by the first taste detecting unit in the food and drink, and the electrode and the electrode are used.
  • the second voltage variable unit is controlled based on the content of the second taste detected by the second taste detecting unit in the food and drink, and the electrode is used.
  • a configuration may be used that includes a control unit that changes the voltage between the second sample and the second sample.
  • the first voltage variable unit is controlled based on the content of the first taste received from an external device, and the electrode and the first sample are connected to each other. While changing the voltage between them, the second voltage variable unit is controlled based on the content of the second taste received from the external device to change the voltage between the electrode and the second sample.
  • a configuration may be used that includes a control unit to be operated.
  • the first sensation is the first incense among a plurality of incense that can be perceived by a person
  • the second sensation is a plurality of incense that can be perceived by a person.
  • a composition may be used, which is a second scent different from the first scent of the scent.
  • a configuration in which at least one of the first voltage variable unit and the second voltage variable unit is a variable resistor may be used.
  • the first insulating member includes a first container and a second container, the first container is made of an insulator, and the first container is formed. It is a tube-shaped container for containing one sample, the first container is inserted through the first opening, the second container is made of an insulator, and the second sample is inserted. It is a tube-shaped container to be put in, and a configuration in which the second container is inserted through the second opening may be used.
  • the first terminal and the first sample are connected by a first conductor, and at least the first portion of the portion of the first conductor.
  • the portion that comes into contact with the sample has corrosion resistance to the first conductor
  • the third terminal and the second sample are connected by a second conductor, and the portion of the portion that the second conductor has.
  • at least a portion that comes into contact with the second sample may be configured to have corrosion resistance to the second conductor.
  • At least the portion of the first conductor that comes into contact with the first sample is made of platinum, an alloy of platinum and titanium, or platinum-plated titanium.
  • a configuration may be used, which is one of the following.
  • At least the portion of the second conductor that comes into contact with the second sample is made of platinum, an alloy of platinum and titanium, or platinum-plated titanium.
  • a configuration may be used, which is one of the following.
  • the configuration in which the first sample is a gelled sample may be used.
  • the configuration in which the first sample is a sponge on which the first electrolyte is adsorbed may be used.
  • the configuration in which the second sample is a gelled sample may be used.
  • the configuration in which the second sample is a sponge to which the second electrolyte is adsorbed may be used.
  • one aspect of the present invention is a current value that keeps the current value of the current flowing through the part of the part of the organism that the first sample and the second sample are in contact with at a predetermined current value in the sensory presentation device.
  • a configuration may be used that further comprises a holding portion.
  • one aspect of the present invention includes a tenth opening for exposing an eleventh sample containing an eleventh electrolyte that binds to a predetermined eleventh receptor among the receptors possessed by the organism in a sensory presentation device.
  • a tenth insulating member that electrically insulates the sample and the twelfth sample, an eleventh terminal and a twelfth terminal are further provided, the eleventh terminal is connected to the eleventh sample, and the electrode and the twelfth are connected. It has an eleventh voltage variable unit that changes the voltage between the eleven samples, a thirteenth terminal and a fourteenth terminal, the thirteenth terminal is connected to the twelfth sample, and the electrode and the twelfth sample. Further comprising a twelfth voltage variable section that changes the voltage between, the organism is a human being, and the first electrolyte perceives the first taste of a plurality of human perceptible tastes to a human.
  • the second electrolyte is an electrolyte that causes a person to perceive a second taste different from the first taste among a plurality of perceptible tastes, and the eleventh electrolyte is perceptible to a person. It is an electrolyte that causes a person to perceive the first scent of a plurality of scents, and the twelfth electrolyte causes a person to perceive a second scent different from the first scent among a plurality of scents that can be perceived by a person. It is an electrolyte, and the power source applies a voltage between the electrode and the 12th terminal and between the electrode and the 14th terminal, respectively, and the non-target portion is owned by the person.
  • a configuration may be used in which the part is a part other than the part including the tongue and is a part other than the part including the intranasal mucosa among the parts possessed by the person.
  • the configuration in which the eleventh sample is a gelled sample may be used.
  • the configuration in which the eleventh sample is a sponge to which the eleventh electrolyte is adsorbed may be used.
  • the configuration in which the twelfth sample is a gelled sample may be used.
  • the configuration in which the twelfth sample is a sponge to which the twelfth electrolyte is adsorbed may be used.
  • the configuration in which the first sample is a gelled sample may be used.
  • the taste presentation system is a taste presentation system including the above-mentioned sensory presentation device and an information processing device communicably connected to the sensory presentation device, and the information.
  • the processing apparatus controls the first voltage variable unit based on the content of the first taste detected by the first taste detection unit in food and drink, and controls the voltage between the electrode and the first sample.
  • the second voltage variable unit is controlled based on the content of the second taste detected by the second taste detection unit in the food and drink, and the voltage between the electrode and the second sample is changed. It is a taste presentation system that changes.
  • the taste presenting system is a taste presenting system including the above-described sensory presenting device and an information processing device communicably connected to the sensory presenting device, and the information.
  • the processing device controls the first voltage variable unit based on the content of the first taste received from the external device, changes the voltage between the electrode and the first sample, and changes the voltage between the electrode and the first sample, and also controls the external device.
  • This is a taste presentation system that controls the second voltage variable unit based on the content of the second taste received from the device and changes the voltage between the electrode and the second sample.
  • the taste presentation method includes a first opening for exposing a first sample containing a first electrolyte that allows a person to perceive the first taste among a plurality of perceptible tastes.
  • the first terminal is connected to the first sample and has a first voltage variable portion for changing the voltage between the electrode and the first sample, and a third terminal and a fourth terminal.
  • a second voltage variable portion whose terminal is connected to the second sample and changes the voltage between the electrode and the second sample, between the electrode and the second terminal, and between the electrode and the fourth.
  • the second sample is a solidified sample and is a sample capable of leaking the second electrolyte.
  • the first contact step of contacting a portion other than the tongue, the first sample exposed from the first opening, and the second sample exposed from the second opening are brought into contact with the user's tongue.
  • the sensory presentation method includes a first opening for exposing a first sample containing a first electrolyte that binds to a predetermined first receptor among the receptors possessed by a predetermined organism.
  • a first voltage variable unit having a first terminal and a second terminal, the first terminal being connected to the first sample, and changing the voltage between the electrode and the first sample, and a third terminal. And a fourth terminal, the third terminal is connected to the second sample, and a second voltage variable portion that changes the voltage between the electrode and the second sample, and the electrode and the second sample.
  • a sensation presentation method using a sensation presenting device including a power source for applying a voltage between the terminals and between the electrodes and the fourth terminal, wherein the first sample is solidified.
  • the sample is a sample capable of leaking the first electrolyte
  • the second sample is a solidified sample and a sample capable of leaking the second electrolyte.
  • the organism is subjected to a first contact step of bringing the electrode into contact with the non-target portion, the first sample exposed from the first opening, and the second sample exposed from the second opening.
  • the second contact step of contacting the site containing the first receptor and the second receptor, and the adjustment of the voltage between the electrode and the first sample by the first voltage variable portion.
  • a sensation presentation method comprising an adjustment step of performing at least one of adjustment of the voltage between the electrode and the second sample by the second voltage variable portion.
  • the taste presenting device includes a first member, an insulating member, an electrode, a first voltage variable unit, a second voltage variable unit, and a power supply.
  • the first member is a member in which a first opening and a second opening are formed.
  • the first opening is an opening for exposing the first sample.
  • the first sample is a sample containing the first electrolyte.
  • the first electrolyte is an electrolyte that allows a person to perceive the first taste among a plurality of tastes that can be perceived by a person.
  • the second opening is an opening for exposing the second sample.
  • the second sample is a sample containing a second electrolyte.
  • the second electrolyte is an electrolyte that allows a person to perceive a second taste among a plurality of tastes that can be perceived by a person.
  • the second taste is different from the first taste.
  • the insulating member is a member that electrically insulates the first sample and the second sample.
  • Electrodes are attached to parts of the human body other than the tongue.
  • the first voltage variable unit has a first terminal and a second terminal. Further, the first terminal of the first voltage variable unit is connected to the first sample. Then, the first voltage variable unit changes the voltage between the electrode and the first sample.
  • the second voltage variable unit has a third terminal and a fourth terminal. Further, the third terminal of the second voltage variable unit is connected to the second sample. Then, the second voltage variable unit changes the voltage between the electrode and the second sample.
  • the power supply applies a voltage between the electrode and the second terminal and between the electrode and the fourth terminal, respectively.
  • the taste presenting device can present the taste desired by the user to the user.
  • FIG. 1 is a diagram showing an example of the configuration of the taste presenting device 1.
  • the taste presenting device 1 includes a taste presenting unit 10 and a taste control unit 20.
  • the taste presenting unit 10 is configured separately from the taste control unit 20, but may be integrally configured with the taste control unit 20 instead. Further, the taste presenting device 1 may be configured to include other devices in addition to the taste presenting device 1 and the taste control unit 20.
  • the taste presenting unit 10 is a member that presents the taste desired by the user to the user in response to the control from the taste control unit 20. Therefore, the taste presenting unit 10 is brought into contact with the user's tongue in the taste presenting device 1.
  • the taste presenting unit 10 includes, for example, a cover member 11 and an electrode 12.
  • the taste presenting unit 10 may be configured to include other members, other devices, and the like in addition to the cover member 11 and the electrodes 12. Further, in the embodiment, the cover member 11 and the electrode 12 are integrally configured as the taste presenting portion 10, but instead of this, they may be configured separately.
  • the cover member 11 is an example of the above-mentioned first member.
  • the cover member 11 is a member joined to the electrode 12 so as to cover a part of the electrode 12.
  • the cover member 11 is a cylindrical member.
  • the cover member 11 may have a hollow structure inside, or may not have a hollow structure inside.
  • each of these five tubes T will be referred to as a first tube T1, a second tube T2, a third tube T3, a fourth tube T4, and a fifth tube T5.
  • These five tubes T are cylindrical tubes made of an insulating material. And each of these five tubes T contains a sample containing an electrolyte that makes a person perceive the taste.
  • the shape of these five tubes T may be a cylindrical shape having a circular cross section, that is, a tubular shape having another shape such as an elliptical cross section or a polygonal shape instead of the cylindrical shape.
  • the first tube T1 contains the first sample G1. That is, the first tube T1 is a container for containing the first sample G1.
  • the first sample G1 is a sample containing the first electrolyte in the present embodiment.
  • the first electrolyte is an electrolyte that binds to a predetermined first receptor among the receptors possessed by a person.
  • the first receptor is a receptor that causes a person to perceive sweetness.
  • the first electrolyte is, for example, glycine. Therefore, the first receptor is a receptor that binds to glycine among the receptors possessed by humans. Therefore, glycine is an example of an electrolyte that makes humans perceive sweetness. That is, the first sample G1 is an example of a sample that makes a person perceive sweetness.
  • the second tube T2 contains the second sample G2. That is, the second tube T2 is a container for containing the second sample G2.
  • the second sample G2 is a sample containing the second electrolyte in the present embodiment.
  • the second electrolyte is an electrolyte that binds to a predetermined second receptor among the receptors possessed by humans.
  • the second receptor is a receptor that makes a person perceive salty taste.
  • the second electrolyte is, for example, sodium chloride. Therefore, the second receptor is a receptor that binds to sodium chloride among the receptors possessed by humans. Therefore, sodium chloride is an example of an electrolyte that makes humans perceive salty taste. That is, the second sample G2 is an example of a sample that makes a person perceive a salty taste.
  • the third tube T3 contains the third sample G3. That is, the third tube T3 is a container for containing the third sample G3.
  • the third sample G3 is a sample containing a third electrolyte in the present embodiment.
  • the third electrolyte is an electrolyte that binds to a predetermined third receptor among the receptors possessed by humans.
  • the third receptor is a receptor that makes a person perceive acidity.
  • the third electrolyte is, for example, citric acid. Therefore, the third receptor is a receptor that binds to citric acid among the receptors possessed by humans. Therefore, citric acid is an example of an electrolyte that makes humans perceive acidity. That is, the third sample G3 is an example of a sample that allows a person to perceive acidity.
  • the fourth tube T4 contains the fourth sample G4. That is, the fourth tube T4 is a container for containing the fourth sample G4.
  • the fourth sample G4 is a sample containing the fourth electrolyte in the present embodiment.
  • the fourth electrolyte is an electrolyte that binds to a predetermined fourth receptor among the receptors possessed by humans.
  • the fourth receptor is a receptor that makes a person perceive bitterness.
  • the fourth electrolyte is, for example, magnesium chloride. Therefore, the fourth receptor is a receptor that binds to magnesium chloride among the receptors possessed by humans. Therefore, magnesium chloride is an example of an electrolyte that makes humans perceive bitterness. That is, the fourth sample G4 is an example of a sample that makes a person perceive bitterness.
  • the fifth tube T5 contains the fifth sample G5. That is, the fifth tube T5 is a container for containing the fifth sample G5.
  • the fifth sample G5 is a sample containing the fifth electrolyte in the present embodiment.
  • the fifth electrolyte is an electrolyte that binds to a predetermined fifth receptor among the receptors possessed by humans.
  • the fifth receptor is a receptor that makes humans perceive umami.
  • the fifth electrolyte is, for example, monosodium glutamate. Therefore, the fifth receptor is a receptor that binds to monosodium glutamate among the receptors possessed by humans. Therefore, monosodium glutamate is an example of an electrolyte that makes humans perceive umami. That is, the fifth sample G5 is an example of a sample that allows a person to perceive umami.
  • the electrolytes contained in each of the first sample G1 to the fifth sample G5 may be any electrolyte as long as they do not overlap with each other and allow humans to perceive the taste.
  • the electrolytes contained in each of the first sample G1 to the fifth sample G5 do not overlap with each other, and among the receptors possessed by humans, the receptors that make humans perceive the taste (for example, the above-mentioned first receptor).
  • Any electrolyte may be used as long as it can bind to each of the body to the fifth receptor). It is known that many such receptors are present in the human tongue. Therefore, a person can perceive five tastes of sweetness, saltiness, acidity, bitterness, and umami by the tongue.
  • the taste presenting device 1 can make a person perceive various tastes by binding the electrolytes contained in each of the first sample G1 to the fifth sample G5 to the receptors of the human tongue.
  • the electrolyte contained in each of the first sample G1 to the fifth sample G5 was an electrolyte that allows a person to perceive any of the five tastes called the basic taste in the present embodiment.
  • some or all of the electrolytes contained in each of the first sample G1 to the fifth sample G5 are electrolytes that allow a person to perceive other tastes not included in the five tastes such as astringency. May be good. Examples of the electrolyte that causes a person to perceive astringency include tannic acid.
  • the first sample G1 to the fifth sample G5 will be collectively referred to as a sample G unless it is necessary to distinguish them from each other. Further, in the following, for convenience of explanation, unless it is necessary to distinguish each of the first electrolyte to the fifth electrolyte, the electrolytes contained in the sample G will be collectively referred to as the electrolytes.
  • the sample G is a solidified sample and is a sample capable of leaking the electrolyte contained in the sample G.
  • the sample G is a sample gelled by agar (more specifically, for example, a sample in which an aqueous solution containing an electrolyte contained in the sample G is gelled by agar).
  • the sample G may be a sample gelled with another additive such as gelatin.
  • the method of gelling the sample G with agar has a viewpoint that the viscosity of the surface of the sample G can be lowered and the ease of handling of the sample G is improved as compared with the method of gelling the sample G with gelatin. This is the preferred method.
  • the sample G may be a sponge or the like on which the electrolyte contained in the sample G is adsorbed. That is, the sample G may be solidified by any method as long as the electrolyte contained in the sample G is solidified so as to be able to leak to the human tongue when it touches the human tongue. Further, a part or all of the first sample G1 to the fifth sample G5 may be solidified by different methods.
  • FIG. 2 is a diagram showing an example of the appearance of the taste presenting unit 10 when the five tubes T are removed.
  • the cover member 11 is formed with five openings H.
  • these five openings will be referred to as a first opening H1, a second opening H2, a third opening H3, a fourth opening H4, and a fifth opening H5.
  • the first opening H1 is an opening formed in the cover member 11 so that the first tube T1 can be inserted. That is, in the example shown in FIG. 2, the first opening H1 is a cylindrical opening.
  • the shape of the first opening H1 may be any shape as long as it corresponds to the shape of the first tube T1.
  • the second opening H2 is an opening formed in the cover member 11 so that the second tube T2 can be inserted. That is, in the example shown in FIG. 2, the second opening H2 is a cylindrical opening.
  • the shape of the second opening H2 may be any shape as long as it corresponds to the shape of the second tube T2.
  • the third opening H3 is an opening formed in the cover member 11 so that the third tube T3 can be inserted. That is, in the example shown in FIG. 2, the third opening H3 is a cylindrical opening.
  • the shape of the third opening H3 may be any shape as long as it corresponds to the shape of the third tube T3.
  • the fourth opening H4 is an opening formed in the cover member 11 so that the fourth tube T4 can be inserted. That is, in the example shown in FIG. 2, the fourth opening H4 is a cylindrical opening.
  • the shape of the fourth opening H4 may be any shape as long as it corresponds to the shape of the fourth tube T4.
  • the fifth opening H5 is an opening formed in the cover member 11 so that the fifth tube T5 can be inserted. That is, in the example shown in FIG. 2, the fifth opening H5 is a cylindrical opening.
  • the shape of the fifth opening H5 may be any shape as long as it corresponds to the shape of the fifth tube T5.
  • a first tube T1 is inserted through the first opening H1. Further, a second tube T2 is inserted through the second opening H2. Further, a third tube T3 is inserted through the third opening H3. Further, a fourth tube T4 is inserted through the fourth opening H4. Further, a fifth tube T5 is inserted through the fifth opening H5. In this way, the cover member 11 is provided with five tubes T so as to project.
  • each of the five tubes T protruding from the cover member 11 has each other in order to prevent the taste according to the electrolyte contained in each of the first sample G1 to the fifth sample G5 from being discriminated by the human tongue. It is desirable to be in close proximity. In other words, each of the five tubes T protruding from the cover member 11 is close to each other in order to make a person feel a taste in which the tastes corresponding to the electrolytes contained in each of the first sample G1 to the fifth sample G5 are mixed. It is desirable to have. However, the first sample G1 to the fifth sample G5 need to be electrically insulated from each other.
  • Each of the five tubes T is a member for electrically insulating the first sample G1 to the fifth sample G5 from each other. Therefore, the taste presenting unit 10 may be configured to include other members that can electrically insulate the first sample G1 to the fifth sample G5 from each other instead of the tube T. However, in this case, each of the first sample G1 to the fifth sample G5 needs to be supported by the cover member 11 by some method such as a method using a support member or the like.
  • Sample G is connected to the taste control unit 20 via a conducting wire. More specifically, the first sample G1 is connected to the taste control unit 20 via the first conducting wire. Further, the second sample G2 is connected to the taste control unit 20 via the second conducting wire. Further, the third sample G3 is connected to the taste control unit 20 via the third conducting wire. Further, the fourth sample G4 is connected to the taste control unit 20 via the fourth conducting wire. Further, the fifth sample G5 is connected to the taste control unit 20 via the fifth conducting wire. Then, each of the first conductor to the fifth conductor is electrically insulated from each other.
  • At least the part in contact with the sample G is likely to be corroded by an electrolyte or the like when electricity is passed through the sample G, so that the sample G is resistant to corrosion. It is desirable to have sex. More specifically, it is desirable that at least the portion of the first conductor that comes into contact with the first sample G1 has corrosion resistance to the first sample G1. Further, it is desirable that at least the portion of the second conductor that comes into contact with the second sample G2 has corrosion resistance to the second sample G2. Further, it is desirable that at least the portion of the third conductor that comes into contact with the third sample G3 has corrosion resistance to the third sample G3.
  • At least the portion of the fourth conductor that comes into contact with the fourth sample G4 has corrosion resistance to the fourth sample G4. Further, it is desirable that at least the portion of the fifth conductor that comes into contact with the fifth sample G5 has corrosion resistance to the fifth sample G5.
  • At least the portion in contact with the sample G is a platinum conductor.
  • platinum has corrosion resistance to each of the first sample G1 to the fifth sample G5.
  • at least the part that comes into contact with the sample G may be an alloy conductor of platinum and titanium, and is a platinum-plated titanium conductor.
  • it may be a conductor made of another material having corrosion resistance to each of the first sample G1 to the fifth sample G5.
  • some or all of the first to fifth conductors may be made of different materials.
  • At least the part that does not come into contact with the sample G is a cord, a cable, or the like having a coating on a conductive wire such as copper or aluminum, and the taste control unit 20 is used. You may connect.
  • the electrode 12 is an electrode attached to a part other than the tongue among the parts held by a person.
  • the electrode 12 is a portion of the portion of the taste presenting portion 10 that functions as a handle to be gripped by a person. That is, in this example, the electrode 12 is an electrode for forming an electric circuit having a human body as a path by grasping it with a human hand.
  • FIG. 3 is a diagram showing an example of how the electrode 12 is gripped by the user of the taste presenting device 1. As shown in FIG. 3, the taste presenting device 1 is used by the user when the electrode 12 is gripped by the user.
  • the electrode 12 is a cylindrical electrode 12.
  • the shape of the electrode 12 may be any shape.
  • the electrode 12 may be any electrode as long as it is made of a conductor.
  • the electrode 12 is a copper electrode.
  • the electrode 12 is connected to the taste control unit 20 via a conducting wire.
  • the taste control unit 20 includes five voltage variable units R and a power supply 21.
  • each of these five voltage variable units R is referred to as a first voltage variable unit R1, a second voltage variable unit R2, a third voltage variable unit R3, a fourth voltage variable unit R4, and a fifth voltage variable unit. It will be referred to as a part R5.
  • each of these five voltage variable portions R is shown as a rectangular parallelepiped-shaped object.
  • the five voltage variable units R and the power supply 21 are integrally configured as the taste control unit 20, but instead of this, they may be configured separately. Further, either one or both of the five voltage variable units R and the power supply 21 may be integrally configured with the taste presenting unit 10.
  • the first voltage variable unit R1 has two terminals, a first A terminal and a first B terminal. Then, the first A terminal of the first voltage variable unit R1 is connected to the above-mentioned first conducting wire. Further, the first B terminal of the first voltage variable unit R1 is connected to the cathode terminal of the power supply 21 described later via a conducting wire. This conductor may be any conductor.
  • the first voltage variable unit R1 changes the voltage applied between the electrode 12 and the first sample G1.
  • the first voltage variable unit R1 is a variable resistor.
  • the first voltage variable unit R1 includes an electrode 12 and a first sample G1 such as a DA (Digital Analog) converter, a DC (Direct Current) / DC converter, and a PWM (Pulse Width Modulation) modulator. It may be another member, device or the like capable of changing the voltage applied between the and.
  • a first sample G1 such as a DA (Digital Analog) converter, a DC (Direct Current) / DC converter, and a PWM (Pulse Width Modulation) modulator. It may be another member, device or the like capable of changing the voltage applied between the and.
  • DA Digital Analog
  • DC Direct Current
  • PWM Pulse Width Modulation
  • the first voltage variable unit R1 is provided with a first slider S1 for changing the resistance value of the first voltage variable unit R1 which is a variable resistor. That is, the resistance value of the first voltage variable unit R1 changes according to the change in the position of the first slider S1.
  • the first voltage variable unit R1 may be a digital variable resistor instead of the analog variable resistor provided with the first slider S1.
  • the second voltage variable unit R2 has two terminals, a second A terminal and a second B terminal. Then, the second A terminal of the second voltage variable unit R2 is connected to the above-mentioned second conducting wire. Further, the second B terminal of the second voltage variable unit R2 is connected to the cathode terminal of the power supply 21 via a conducting wire. This conductor may be any conductor.
  • the second voltage variable unit R2 changes the voltage applied between the electrode 12 and the second sample G2.
  • the second voltage variable unit R2 is a variable resistor.
  • the second voltage variable unit R2 may change the voltage applied between the electrode 12 and the second sample G2 of a DA converter, DC / DC converter, PWM modulator, etc. instead of the variable resistor. It may be another possible member, device, or the like.
  • a case where the second voltage variable unit R2 is a variable resistor will be described.
  • the second voltage variable section R2 is provided with a second slider S2 for changing the resistance value of the second voltage variable section R2 which is a variable resistor. That is, the resistance value of the second voltage variable unit R2 changes according to the change in the position of the second slider S2.
  • the second voltage variable unit R2 may be a digital variable resistor instead of the analog variable resistor provided with the second slider S2.
  • the third voltage variable unit R3 has two terminals, a third A terminal and a third B terminal. Then, the third A terminal of the third voltage variable unit R3 is connected to the above-mentioned third conducting wire. Further, the third B terminal of the third voltage variable unit R3 is connected to the cathode terminal of the power supply 21 via a conducting wire. This conductor may be any conductor.
  • the third voltage variable unit R3 changes the voltage applied between the electrode 12 and the third sample G3.
  • the third voltage variable unit R3 is a variable resistor.
  • the third voltage variable unit R3 may change the voltage applied between the electrode 12 and the third sample G3, such as a DA converter, a DC / DC converter, and a PWM modulator, instead of the variable resistor. It may be another possible member, device, or the like.
  • a case where the third voltage variable unit R3 is a variable resistor will be described.
  • the third voltage variable section R3 is provided with a third slider S3 for changing the resistance value of the third voltage variable section R3 which is a variable resistor. That is, the resistance value of the third voltage variable unit R3 changes according to the change in the position of the third slider S3.
  • the third voltage variable unit R3 may be a digital variable resistor instead of the analog variable resistor provided with the third slider S3.
  • the fourth voltage variable unit R4 has two terminals, a fourth A terminal and a fourth B terminal. Then, the 4th A terminal of the 4th voltage variable unit R4 is connected to the above-mentioned 4th conducting wire. Further, the 4th B terminal of the 4th voltage variable unit R4 is connected to the cathode terminal of the power supply 21 via a conducting wire. This conductor may be any conductor.
  • the fourth voltage variable unit R4 changes the voltage applied between the electrode 12 and the fourth sample G4.
  • the fourth voltage variable unit R4 is a variable resistor.
  • the fourth voltage variable unit R4 may change the voltage applied between the electrode 12 and the fourth sample G4, such as a DA converter, a DC / DC converter, and a PWM modulator, instead of the variable resistor. It may be another possible member, device, or the like.
  • a case where the fourth voltage variable unit R4 is a variable resistor will be described.
  • the fourth voltage variable section R4 is provided with a fourth slider S4 for changing the resistance value of the fourth voltage variable section R4 which is a variable resistor. That is, the resistance value of the fourth voltage variable unit R4 changes according to the change in the position of the fourth slider S4.
  • the fourth voltage variable unit R4 may be a digital variable resistor instead of the analog variable resistor provided with the fourth slider S4.
  • the fifth voltage variable unit R5 has two terminals, a fifth A terminal and a fifth B terminal. Then, the 5th A terminal of the 5th voltage variable unit R5 is connected to the above-mentioned 5th conducting wire. Further, the 5th B terminal of the 5th voltage variable unit R5 is connected to the cathode terminal of the power supply 21 via a conducting wire. This conductor may be any conductor.
  • the fifth voltage variable unit R5 changes the voltage applied between the electrode 12 and the fifth sample G5.
  • the fifth voltage variable unit R5 is a variable resistor.
  • the fifth voltage variable unit R5 may change the voltage applied between the electrode 12 and the fifth sample G5 of the DA converter, DC / DC converter, PWM modulator, etc. instead of the variable resistor. It may be another possible member, device, or the like.
  • the fifth voltage variable unit R5 is a variable resistor will be described.
  • the fifth voltage variable unit R5 is provided with a fifth slider S5 for changing the resistance value of the fifth voltage variable unit R5, which is a variable resistor. That is, the resistance value of the fifth voltage variable unit R5 changes according to the change in the position of the fifth slider S5.
  • the fifth voltage variable unit R5 may be a digital variable resistor instead of the analog variable resistor provided with the fifth slider S5.
  • the power supply 21 may be a DC constant current power supply or any other power source.
  • the power supply 21 is a battery.
  • the power supply 21 may be, for example, an AC power supply, an AC signal that has undergone amplitude modulation, frequency modulation, or the like, a pulse signal whose voltage or frequency changes due to pulse width modulation, or the like.
  • a DA converter is used instead of the first voltage variable unit R1, the second voltage variable unit R2, the third voltage variable unit R3, the fourth voltage variable unit R4, and the fifth voltage variable unit R5, the DA converter is used.
  • the power supply 21 applies a DC voltage between each of the first B terminal, the second B terminal, the third B terminal, the fourth B terminal, and the fifth B terminal and the electrode 12. Therefore, the anode terminal of the power supply 21 is connected to the electrode 12 via a conducting wire.
  • the conductor may be any conductor.
  • the taste presenting device 1 can present the taste desired by the user to the user.
  • the user brings the sample G into contact with the user's tongue while grasping the electrode 12. More specifically, as shown in FIG. 4, the user pushes out the sample G from the tips of the five tubes T protruding from the cover member 11 of the taste presenting portion 10. Then, while grasping the electrode 12, the user presses the sample G extruded from the tips of the five tubes T against the user's tongue as shown in FIG. This allows the user to bring the sample G into contact with the user's tongue.
  • the user has the part of the user's throat that includes each of the first to fifth receptors in place of the user's tongue or in addition to the user's tongue.
  • FIG. 4 is a diagram showing an example of how the first sample G1 is extruded from the tip of the first tube T1.
  • FIG. 5 is a diagram showing an example of a user pressing the sample G against the user's tongue while grasping the electrode 12. The amount of pushing the sample G from the tips of the five tubes T may be any amount as long as the sample G can come into contact with the tongue.
  • examples of other sites containing each of the first to fifth receptors include the soft palate, epiglottis, intestinal tract, and intracerebral brain.
  • FIG. 6 is a schematic view showing an example of an electric circuit formed by the taste presenting device 1 and the user's body.
  • the user's body is deformed and drawn in order to simplify the diagram. That is, the graphic BD shown in FIG. 6 shows an example of the deformed user's body.
  • the graphic TN also shows an example of a deformed user's tongue.
  • the graphic HD shows an example of a deformed user's hand.
  • the magnitude of the current flowing through the first sample G1 is a value corresponding to the resistance value of the first voltage variable portion R1, which is a variable resistor, because the voltage applied from the power supply 21 is constant.
  • the magnitude of the current flowing through the second sample G2 is a value corresponding to the resistance value of the second voltage variable portion R2, which is a variable resistor, because the voltage applied from the power supply 21 is constant.
  • the magnitude of the current flowing through the third sample G3 is a value corresponding to the resistance value of the third voltage variable portion R3, which is a variable resistor, because the voltage applied from the power supply 21 is constant.
  • the magnitude of the current flowing through the fourth sample G4 is a value corresponding to the resistance value of the fourth voltage variable portion R4, which is a variable resistor, because the voltage applied from the power supply 21 is constant.
  • the magnitude of the current flowing through the fifth sample G5 is a value corresponding to the resistance value of the fifth voltage variable portion R5, which is a variable resistor, because the voltage applied from the power supply 21 is constant.
  • the electrolyte contained in the sample G is ionized in the sample G. Therefore, when a current flows through the sample G, the cations in the sample G move away from the user's tongue by electrophoresis (that is, move from the user's tongue through the sample G toward the electrode 12). .. On the other hand, in this case, the anions in the sample G approach the user's tongue by electrophoresis (that is, move in the direction of approaching the user's tongue through the sample G). Since such electrophoresis occurs, the taste intensity of the sample G perceived by the user when the sample G comes into contact with the user's tongue changes according to the current flowing through the sample G.
  • the sweetness perceived by the user from the first sample G1 when a current is passed through the first sample G1 while the first sample G1 is in contact with the user's tongue, the sweetness perceived by the user from the first sample G1 has a large current. It becomes weaker.
  • the sweetness perceived by the user from the first sample G1 becomes stronger as the magnitude of the electric current becomes smaller. Therefore, in the taste presenting device 1, the sweetness perceived by the user from the first sample G1 in this case can be adjusted by changing the resistance value of the first voltage variable unit R1 which is a variable resistor.
  • the sweetness perceived by the user from the first sample G1 is maximum when no current is flowing through the first sample G1.
  • the saltiness perceived by the user from the second sample G2 becomes weaker as the magnitude of the current increases.
  • the saltiness perceived by the user from the second sample G2 becomes stronger as the magnitude of the electric current becomes smaller. Therefore, in the taste presenting device 1, the salty taste perceived by the user from the second sample G2 in this case can be adjusted by changing the resistance value of the second voltage variable portion R2 which is a variable resistance. The saltiness perceived by the user from the second sample G2 is maximum when no current is flowing through the second sample G2.
  • the acidity perceived by the user from the third sample G3 becomes weaker as the magnitude of the electric current increases.
  • the acidity perceived by the user from the third sample G3 becomes stronger as the magnitude of the electric current becomes smaller. Therefore, in the taste presenting device 1, the acidity perceived by the user from the third sample G3 in this case can be adjusted by changing the resistance value of the third voltage variable unit R3, which is a variable resistor. The acidity perceived by the user from the third sample G3 is maximum when no current is flowing through the third sample G3.
  • the bitterness perceived by the user from the fourth sample G4 becomes weaker as the magnitude of the current increases.
  • the bitterness perceived by the user from the fourth sample G4 becomes stronger as the magnitude of the electric current becomes smaller. Therefore, in the taste presenting device 1, the bitterness perceived by the user from the fourth sample G4 in this case can be adjusted by changing the resistance value of the fourth voltage variable unit R4, which is a variable resistor. The bitterness perceived by the user from the fourth sample G4 is maximum when no current is flowing through the fourth sample G4.
  • the umami perceived by the user from the fifth sample G5 becomes weaker as the magnitude of the current increases.
  • the umami perceived by the user from the fifth sample G5 becomes stronger as the magnitude of the electric current becomes smaller. Therefore, in the taste presenting device 1, the umami perceived by the user from the fifth sample G5 in this case can be adjusted by changing the resistance value of the fifth voltage variable unit R5, which is a variable resistor.
  • the umami that the user perceives from the fifth sample G5 is maximum when no current is flowing through the fifth sample G5.
  • the taste presenting device 1 the sample G is brought into contact with the user's tongue, and the resistance value of each of the five voltage variable portions R is adjusted to present the taste desired by the user to the user. can.
  • the taste desired by the user can be presented to the user by bringing the sample G into contact with the tongue of the user and adjusting the voltage between the electrode 12 and the sample G. ..
  • FIG. 7 is a diagram showing an example of the flow of the taste presentation method using the taste presentation device 1.
  • the sample G is extruded from each of the five tubes T at a timing before the procedure of step S110 shown in FIG. 7 is performed will be described.
  • step S120 the user brings the sample G of the taste presenting unit 10 into contact with the user's tongue.
  • a current flows from the power supply 21 to each of the samples G.
  • step S110 and the procedure of step S120 may be performed in the reverse order or may be performed in parallel.
  • step S140 the user performs the procedure of step S140 for each of the five voltage variable units R (step S130).
  • the user adjusts the resistance value of the voltage variable unit R selected in step S130 (step S140). For example, when the first voltage variable unit R1 is selected in step S130, the user adjusts the resistance value of the first voltage variable unit R1 by moving the first slider S1 until the sweetness becomes a desired intensity. Further, for example, when the second voltage variable unit R2 is selected in step S130, the user adjusts the resistance value of the second voltage variable unit R2 by moving the second slider S2 until the saltiness becomes a desired strength. .. Further, for example, when the third voltage variable unit R3 is selected in step S130, the user adjusts the resistance value of the third voltage variable unit R3 by moving the third slider S3 until the acidity becomes a desired strength. ..
  • the user adjusts the resistance value of the fourth voltage variable unit R4 by moving the fourth slider S4 until the bitterness becomes a desired intensity. ..
  • the user adjusts the resistance value of the fifth voltage variable unit R5 by moving the fifth slider S5 until the umami taste becomes a desired strength. ..
  • step S150 the user determines whether or not the taste felt by the user's tongue is a desired taste.
  • step S150-NO When the user determines that the taste felt by the user's tongue is not the desired taste (step S150-NO), the user proceeds to step S130 and repeats the procedure of step S140 for each of the five voltage variable units R. .. That is, the steps S130 to S150 are repeated until the user perceives the desired taste.
  • step S150-YES when the user determines that the taste felt by the user's tongue is the desired taste (step S150-YES), the user ends the procedure of the flowchart shown in FIG.
  • the taste presenting device 1 can present the taste desired by the user to the user.
  • the taste presenting device 1 may be configured to present the taste detected by the taste detecting device 2 to the user.
  • FIG. 8 is a diagram showing an example of the configuration of the taste presentation system 100 provided with the taste presentation device 1.
  • the taste presentation system 100 shown in FIG. 8 includes a taste presentation device 1, a taste detection device 2, and an information processing device 3.
  • the taste control unit 20 of the taste presentation device 1 has a digital voltage variable in which each of the five voltage variable units R changes the resistance value according to the control from the information processing device 3. The case of the part R will be described.
  • the taste presentation device 1 is communicably connected to the information processing device 3 via wireless or wired. Further, in the taste presentation system 100, the taste detection device 2 is communicably connected to the information processing device 3 via wireless or wired.
  • the taste detection device 2 detects the content of a plurality of tastes contained in foods and drinks such as foodstuffs, dishes, and beverages.
  • the taste detection device 2 includes five taste detection units SR that detect different tastes.
  • each of these five taste detection units SR is referred to as a first taste detection unit SR1, a second taste detection unit SR2, a third taste detection unit SR3, a fourth taste detection unit SR4, and a fifth taste detection. It will be described as a part SR5.
  • the taste detection device 2 may be configured to include four or less taste detection units SR that detect different tastes, or may include six or more taste detection units SR that detect different tastes. You may.
  • the first taste detection unit SR1 may be any taste sensor as long as it can detect the content of the first taste in food and drink as the first content.
  • the first taste detection unit SR1 does not necessarily detect the content of glycine as the first content.
  • the first taste detection unit SR1 is contained in food and drink according to the content of each of various components capable of allowing a person to perceive the first taste, such as the first electrolyte (that is, glycine). An amount indicating the ratio of the first taste is detected as the first content.
  • the method in which the first taste detection unit SR1 detects the content of the first taste may be a known method or a method to be developed in the future.
  • the first taste detection unit SR1 detects the content of the first taste.
  • the amount of the first electrolyte is adjusted by electrophoresis to obtain the same taste intensity as the first taste of the content based on the specified content. It can be reproduced by doing. Therefore, the taste presenting device 1 transfers the first taste of the ratio indicated by the first content to the first sample G1 based on the first content detected by the first taste detection unit SR1. Can be presented to the user by adjusting.
  • the first taste detection unit SR1 outputs the first content information indicating the detected first content to the information processing device 3.
  • the second taste detection unit SR2 may be any taste sensor as long as it can detect the content of the second taste in food and drink as the second content.
  • the second taste detection unit SR2 does not necessarily detect the content of the second electrolyte (that is, sodium chloride) as the second content.
  • the second taste detection unit SR2 determines the proportion of the second taste contained in the food or drink according to the content of each of the various components capable of perceiving the second taste to humans, such as sodium chloride. The indicated amount is detected as the second content.
  • the method for the second taste detection unit SR2 to detect the content of the second taste may be a known method or a method to be developed in the future.
  • the second taste detection unit SR2 detects the content of the second taste.
  • the amount of the second electrolyte is adjusted by electrophoresis to obtain the same taste intensity as the second taste of the content based on the specified content. It can be reproduced by doing. Therefore, the taste presenting device 1 transfers the second taste of the ratio indicated by the second content to the second sample G2 based on the second content detected by the second taste detection unit SR2. Can be presented to the user by adjusting.
  • the second taste detection unit SR2 outputs the second content information indicating the detected second content to the information processing device 3.
  • the third taste detection unit SR3 may be any taste sensor as long as it can detect the content of the third taste in food and drink as the third content.
  • the third taste detection unit SR3 does not necessarily detect the content as the third content.
  • the third taste detection unit SR3 is contained in food and drink according to the content of each of various components capable of causing a person to perceive the third taste, such as a third electrolyte (that is, citric acid). An amount indicating the proportion of the third taste is detected as the third content.
  • the method for the third taste detection unit SR3 to detect the content of the third taste may be a known method or a method to be developed in the future. Therefore, detailed description of the method by which the third taste detection unit SR3 detects the content of the third taste will be omitted.
  • the taste presenting device 1 transmits the third taste of the ratio indicated by the third content to the third sample G3 based on the third content detected by the third taste detection unit SR3. Can be presented to the user by adjusting.
  • the third taste detection unit SR3 outputs the third content information indicating the detected third content to the information processing device 3.
  • the fourth taste detection unit SR4 may be any taste sensor as long as it can detect the content of the fourth taste in food and drink as the fourth content.
  • the fourth taste detection unit SR4 does not necessarily detect the content as the fourth content.
  • the fourth taste detection unit SR4 is contained in food and drink according to the content of each of various components capable of perceiving the fourth taste to humans, such as the fourth electrolyte (that is, magnesium chloride). An amount indicating the proportion of the fourth taste is detected as the fourth content.
  • the method for the fourth taste detection unit SR4 to detect the content of the fourth taste may be a known method or a method to be developed in the future. Therefore, detailed description of the method by which the fourth taste detection unit SR4 detects the content of the fourth taste will be omitted.
  • the taste presenting device 1 transmits the fourth taste of the ratio indicated by the fourth content to the fourth sample G4 based on the third content detected by the fourth taste detection unit SR4. Can be presented to the user by adjusting.
  • the fourth taste detection unit SR4 outputs the fourth content information indicating the detected fourth content to the information processing device 3.
  • the fifth taste detection unit SR5 may be any taste sensor as long as it can detect the content of the fifth taste in food and drink as the fifth content.
  • the fifth taste detection unit SR5 does not necessarily detect the content as the fifth content.
  • the fifth taste detection unit SR5 is contained in food and drink according to the content of each of various components capable of perceiving the fifth taste to humans, such as the fifth electrolyte (that is, monosodium glutamate). An amount indicating the proportion of the fifth taste is detected as the fifth content.
  • the method for the fifth taste detection unit SR5 to detect the content of the fifth taste may be a known method or a method to be developed in the future. Therefore, detailed description of the method by which the fifth taste detection unit SR5 detects the content of the fifth taste will be omitted.
  • the taste presenting device 1 transfers the fifth taste of the ratio indicated by the fifth content to the fifth sample G5 based on the fifth content detected by the fifth taste detection unit SR5. Can be presented to the user by adjusting.
  • the fifth taste detection unit SR5 outputs the fifth content information indicating the detected fifth content to the information processing device 3.
  • the taste detection device 2 may be integrally configured with the taste presentation device 1 or the information processing device 3.
  • the information processing device 3 is, for example, a multifunctional mobile phone terminal (smartphone). Instead of this, the information processing device 3 may be another information processing device such as a tablet PC (Personal Computer), a notebook PC, a mobile phone terminal, a PDA (Personal Digital Assistant), a desktop PC, or a workstation. good. Further, the information processing device 3 may be integrally configured with at least one of the taste presenting unit 10 and the taste control unit 20.
  • the information processing device 3 When the information processing device 3 acquires five content information from the taste detection device 2, the information processing device 3 adjusts the resistance value of each of the five voltage variable units R included in the taste control unit 20 based on the acquired five content information. do.
  • these five content information are the above-mentioned first content information to fifth content information.
  • the information processing apparatus 3 adjusts the resistance value of the first voltage variable unit R1 based on the first content indicated by the acquired first content information.
  • the information processing apparatus 3 stores in advance the first correspondence information for associating the first content with the resistance value of the first voltage variable unit R1.
  • the first correspondence information in a certain first content included in the first correspondence information, when the first taste of the ratio indicated by the first content is perceived by a person by the first sample G1, the first voltage variable unit The resistance value of R1 is associated with it. That is, the information processing apparatus 3 sets the first taste of the ratio indicated by the first content based on the first content indicated by the acquired first content information and the first correspondence information stored in advance.
  • the resistance value of the first voltage variable unit R1 is adjusted (changed) to the resistance value of the first voltage variable unit R1 when the sample G1 is perceived by a person. Therefore, in the application example 1 of the taste presenting device, the taste control unit 20 of the taste presenting device 1 changes the resistance value of the first voltage variable unit R1 in response to the request from the information processing device 3.
  • the information processing apparatus 3 adjusts the resistance value of the second voltage variable unit R2 based on the second content indicated by the acquired second content information.
  • the information processing apparatus 3 stores in advance the second correspondence information for associating the second content with the resistance value of the second voltage variable unit R2.
  • the second correspondence information in a certain second content included in the second correspondence information, when the second taste of the ratio indicated by the second content is perceived by the person by the second sample G2, the second voltage variable portion The resistance value of R2 is associated with it. That is, the information processing apparatus 3 sets the second taste of the ratio indicated by the second content based on the second content indicated by the acquired second content information and the second correspondence information stored in advance.
  • the resistance value of the second voltage variable unit R2 is adjusted (changed) to the resistance value of the second voltage variable unit R2 when it is perceived by a person by the sample G2. Therefore, in the application example 1 of the taste presenting device, the taste control unit 20 of the taste presenting device 1 changes the resistance value of the second voltage variable unit R2 in response to the request from the information processing device 3.
  • the information processing apparatus 3 adjusts the resistance value of the third voltage variable unit R3 based on the third content indicated by the acquired third content information.
  • the information processing apparatus 3 stores in advance the third correspondence information for associating the third content with the resistance value of the third voltage variable unit R3.
  • the third correspondence information in a certain third content included in the third correspondence information, when the third taste of the ratio indicated by the third content is perceived by a person by the third sample G3, the third voltage variable unit The resistance value of R3 is associated with it. That is, the information processing apparatus 3 sets the third taste of the ratio indicated by the third content based on the third content indicated by the acquired third content information and the third corresponding information stored in advance.
  • the resistance value of the third voltage variable unit R3 is adjusted (changed) to the resistance value of the third voltage variable unit R3 when it is perceived by a person by the sample G3. Therefore, in the application example 1 of the taste presenting device, the taste control unit 20 of the taste presenting device 1 changes the resistance value of the third voltage variable unit R3 in response to the request from the information processing device 3.
  • the information processing apparatus 3 adjusts the resistance value of the fourth voltage variable unit R4 based on the fourth content indicated by the acquired fourth content information.
  • the information processing apparatus 3 stores in advance the fourth correspondence information for associating the fourth content with the resistance value of the fourth voltage variable unit R4.
  • the fourth correspondence information in the case where a certain fourth content included in the fourth correspondence information is perceived by a person by the fourth sample G4 of the fourth taste of the ratio indicated by the fourth content, the fourth voltage variable portion.
  • the resistance value of R4 is associated with it. That is, the information processing apparatus 3 determines the fourth taste of the ratio indicated by the fourth content based on the fourth content indicated by the acquired fourth content information and the fourth corresponding information stored in advance.
  • the resistance value of the fourth voltage variable unit R4 is adjusted (changed) to the resistance value of the fourth voltage variable unit R4 when the sample G4 is perceived by a person. Therefore, in the application example 1 of the taste presenting device, the taste control unit 20 of the taste presenting device 1 changes the resistance value of the fourth voltage variable unit R4 in response to the request from the information processing device 3.
  • the information processing apparatus 3 adjusts the resistance value of the fifth voltage variable unit R5 based on the fifth content indicated by the acquired fifth content information.
  • the information processing apparatus 3 stores in advance the fifth correspondence information for associating the fifth content with the resistance value of the fifth voltage variable unit R5.
  • the fifth correspondence information in the case where the fifth content included in the fifth correspondence information is perceived by a person by the fifth sample G5 in the ratio indicated by the fifth content, the fifth voltage variable portion.
  • the resistance value of R5 is associated with it. That is, the information processing apparatus 3 sets the fifth taste of the ratio indicated by the fifth content based on the fifth content indicated by the acquired fifth content information and the fifth corresponding information stored in advance.
  • the resistance value of the fifth voltage variable unit R5 is adjusted (changed) to the resistance value of the fifth voltage variable unit R5 when it is perceived by a person by the sample G5. Therefore, in the application example 1 of the taste presenting device, the taste control unit 20 of the taste presenting device 1 changes the resistance value of the fifth voltage variable unit R5 in response to the request from the information processing device 3.
  • the information processing device 3 may be configured to receive the above-mentioned five content information of the first content information to the fifth content information from an external device via the Internet or the like.
  • the information processing device 3 can cause the taste presenting device 1 to present the taste of the dish searched by the user via the Internet. As a result, the user can perceive the taste of this dish by the taste presented by the taste presenting device 1 without actually eating it.
  • FIG. 9 is a diagram showing an example of a flow of a taste presentation method in which the taste presentation device 1 presents the taste detected by the taste detection device 2 to the user.
  • the state of the taste detection device 2 is the first content to the fifth content of the dish desired by the user at the timing before the procedure of step S210 shown in FIG. 9 is performed. A case where the taste detection device 2 is in a state where each of the amounts can be detected will be described.
  • the user operates the taste detection device 2 and causes the taste detection device 2 to detect each of the first content to the fifth content of the dish desired by the user (step S210).
  • the taste detection device 2 outputs five content information, that is, the first content information to the fifth content information, to the information processing device 3.
  • the information processing device 3 acquires the five content information from the taste detection device 2.
  • step S220 the user grips the electrode 12 of the taste presenting unit 10 (step S220).
  • step S230 the user brings the sample G of the taste presenting unit 10 into contact with the user's tongue.
  • a current flows from the power supply 21 to each of the samples G.
  • steps S210 to S230 may be performed in a random order, in the reverse order, or in parallel.
  • the resistance value adjustment start operation is an operation of causing the information processing device 3 to start adjusting the resistance value of each of the five voltage variable units R based on the five content information.
  • the information processing apparatus 3 changes the voltage for each of the five voltage variable units R based on the five content information acquired in step S210 and the above-mentioned first correspondence information to fifth correspondence information.
  • the resistance value of part R is adjusted (step S250).
  • the taste presenting device 1 may be further provided with a mask member MK that covers the user's mouth, as shown in FIG. 10, for example.
  • the cover member 11 and the electrode 12 are formed separately.
  • FIG. 10 is a diagram showing an example of the configuration of the mask member MK.
  • the mask member MK is formed with a mask opening HLD through which the cover member 11 is inserted.
  • the mask opening HLD is an opening through which the cover member 11 is inserted.
  • the mask member MK supports the cover member 11.
  • an electrode 12 is provided inside the mask member MK.
  • the electrode 12 is provided on the inner surface of the mask member MK, which comes into contact with the user's nose when the mask member MK is worn by the user. As a result, the electrode 12 comes into contact with the user's body in that case.
  • the user can control the taste control unit 20 in a hands-free state without gripping the taste presentation unit 10.
  • the user can easily operate the taste presenting device 1 and can make the taste presenting device 1 present the desired taste more precisely.
  • the user can also create a new taste by using the taste presenting device 1 described above. This is important from the perspective of enriching people's lives.
  • the taste presenting device 1 further includes a current value holding unit 13 that keeps the current value of the current flowing through the user's tongue at a predetermined current value.
  • the current value holding unit 13 may be any member, device, or the like as long as the current value of the current flowing through the user's tongue can be maintained at a predetermined current value.
  • the current value holding unit 13 includes the sixth tube T6 containing the sixth sample G6, and the sixth sample G6 and the electrode 12 via the user's body. A case where it is configured by the second control unit 22 that controls the current value of the current flowing between them will be described.
  • the sixth tube T6 is a container for containing the sixth sample G6. Further, in this case, the sixth tube T6 is a cylindrical tube made of an insulating material. Further, in this case, in addition to the five tubes T, the sixth tube T6 protrudes from the surface of the cover member 11 according to the modified example of the embodiment, which is opposite to the surface joined to the electrode 12. .. Further, in this case, in addition to the first opening H1 to the fifth opening H5, the cover member 11 is formed with a sixth opening H6 through which the sixth tube T6 is inserted. The shape of the sixth opening H6 may be any shape as long as it corresponds to the shape of the sixth tube T6. Further, the second control unit 22 may be integrally configured with the taste control unit 20, or may be separately configured. Therefore, in the following, the case where the second control unit 22 is integrally configured with the taste control unit 20 will be described.
  • the sixth sample G6 is a solidified sample.
  • the sixth sample G6 is a sample containing an electrolyte that cannot be perceived by humans as a taste, an electrolyte that is difficult for humans to perceive as a taste, an electrolyte that is almost tasteless, and the like as the sixth electrolyte.
  • the sixth sample G6 contains phenylalanine as a nearly tasteless sixth electrolyte will be described.
  • the sixth sample G6 is a sample in which phenylalanine, which is a sixth electrolyte, is gelled by agar (more specifically, a sample in which an aqueous solution in which phenylalanine is dissolved is gelled by agar).
  • the sixth sample G6 may be a sample gelled with another additive such as gelatin.
  • the method of gelling the sixth sample G6 with agar can lower the viscosity of the surface of the sixth sample G6 as compared with the method of gelling the sixth sample G6 with gelatin, and the sixth sample G6 can be reduced in viscosity. This is a preferable method from the viewpoint of improving the ease of handling.
  • the sixth sample G6 may be a sponge or the like on which water is adsorbed. That is, the sixth sample G6 can be solidified by any method as long as the phenylalanine contained in the sixth sample G6 is solidified so as to be able to leak to the human tongue when it touches the human tongue. good.
  • the sixth electrolyte may be potassium chloride, tartaric acid, or the like having a concentration that is difficult for humans to perceive as a taste, or may be another electrolyte that is not perceptible for humans as a taste, instead of phenylalanine.
  • the sixth sample G6 is a solidified sample and is a sample containing a sixth electrolyte that cannot be perceived by humans as a taste. Instead, it does not taste like a tasteless metal or the like. It may be a conductor.
  • the taste presenting unit 10 is provided with another member capable of electrically insulating each of the five tubes T and the sixth tube T6 from each other instead of the sixth tube T6. There may be. However, in this case, the sixth sample G6 needs to be supported by the cover member 11 by some method such as a method using a support member or the like.
  • the sixth sample G6 is connected to the taste control unit 20, which will be described later, via a conducting wire. More specifically, the sixth sample G6 is connected to the taste control unit 20 via the sixth conducting wire.
  • the sixth conductor is electrically insulated from each of the first to fifth conductors.
  • At least the portion in contact with the 6th sample G6 is likely to be corroded by phenylalanine when electricity is passed through the 6th sample G6, so that the corrosion resistance to the 6th sample G6 is high. It is desirable to have. More specifically, it is desirable that at least the portion of the sixth conductor that comes into contact with the sixth sample G6 has corrosion resistance to the sixth sample G6.
  • At least the part that comes into contact with the 6th sample G6 is a platinum conductor. This is because platinum has corrosion resistance to the sixth sample G6.
  • at least the part that comes into contact with the sixth sample G6 may be a conductor made of an alloy of platinum and titanium, or a conductor made of titanium plated with platinum.
  • a conductor made of another material having corrosion resistance to the sixth sample G6 may be used.
  • at least the portion of the sixth conductor that does not come into contact with the sample G may be connected to the taste control unit 20 with a cord, cable, or the like having a coating on the conductive conductor such as copper or aluminum.
  • the taste control unit 20 includes the second control unit 22 as described above.
  • the second control unit 22 keeps the current value (that is, the magnitude of the current) of the current flowing through the sixth sample G6 at a predetermined current value. Take control. More specifically, in this case, the second control unit 22 detects the current flowing through each of the first sample G1 to the fifth sample G5, and calculates the sum of the current values of each of the detected currents. The second control unit 22 calculates the difference between the calculated sum and the predetermined current value, and causes a current having a current value that matches the calculated difference to flow through the sixth sample G6.
  • the second control unit 22 may be configured to pass a current through the sixth sample G6 based on the electric power supplied from the power source 21 described above, and is based on the electric power supplied from a power source different from the power source 21. Therefore, a configuration may be used in which a current is passed through the sixth sample G6.
  • the second control unit 22 may use any circuit, device, or the like as long as it can control to keep the current value of the current flowing through the sixth sample G6 at a predetermined current value. good.
  • the second control unit 22 may detect that the sixth sample G6 together with the sample G has come into contact with the user's tongue by any method. For example, the second control unit 22 detects that the sixth sample G6 comes into contact with the user's tongue together with the sample G due to the current flowing through the sample G.
  • the taste presenting device 1 As described above, the taste presenting device 1 according to the modified example of the embodiment is provided with the sixth tube T6 containing the sixth sample G6 and the second control unit 22 as the current value holding unit 13. Can keep the current flowing through the user's tongue constant even when the current flowing through each of the first sample G1 to the fifth sample G5 is changed. As a result, the taste presenting device 1 can prevent the user's tongue from feeling an electrical stimulus when the total amount of current flowing through the user's tongue changes. Such electrical stimulation is more likely to occur as the current value of the current flowing through the user's tongue increases, and may become noise when the user feels the taste. Since the generation of such noise can be suppressed, the taste presenting device 1 can make the user feel a finer difference in taste.
  • the surface of the cover member 11 according to the modified example of the embodiment is different from the surface opposite to the surface joined to the electrode 12.
  • any one of the first tube T1 to the fifth tube T5 may be projected.
  • the taste presenting device 1 according to the modified example of the embodiment can present only one type of taste change to the user, while the noise felt by the user's tongue is suppressed, so that one type of taste presenting device 1 is used. You can feel a slight change in taste.
  • the taste presenting device 1 includes a tube as an insulating member if the cover member 11 can hold the sample contained in any one of the first tube T1 to the fifth tube T5. It may not have a configuration.
  • the taste presenting device has a plurality of human-perceptible tastes (in the example described above, five called basic tastes).
  • a first sample (described above) containing a first electrolyte (eg, glycine in the example described above) that causes a person to perceive the first taste (eg, sweetness in the example described above) of the tastes).
  • the first opening that exposes the first sample G1) (the first opening H1 in the example described above) is different from the first taste among the plurality of human-perceptible tastes.
  • a second sample eg, in the example described above, eg, sodium chloride
  • a second electrolyte eg, sodium chloride in the example described above
  • a first member cover member 11 in the example described above
  • a second opening second opening H2 in the example described above
  • a first insulating member that electrically insulates the sample and the second sample (for example, at least one of the first tube T1 and the second tube T2 in the example described above) and a part of a human body other than the tongue.
  • the electrode (electrode 12 in the example described above), the first terminal (for example, the first A terminal in the example described above), and the second terminal (for example, in the example described above, for example) attached to the portion of the above.
  • a first voltage variable unit (for example, in the example described above, the first terminal) is provided, the first terminal is connected to the first sample, and the voltage between the electrode and the first sample is changed. It has a voltage variable unit R1), a third terminal (for example, the second A terminal in the example described above), and a fourth terminal (for example, the second B terminal in the example described above), and is a third terminal.
  • a power source for applying a DC voltage to each of the space between the electrode and the fourth terminal is provided, and the first sample is a solidified sample.
  • the sample is a sample that can leak the first electrolyte
  • the second sample is a solidified sample that can leak the second electrolyte.
  • a configuration in which at least one of the first voltage variable unit and the second voltage variable unit is a variable resistor may be used.
  • the insulating member includes a first container (for example, the first tube T1 in the example described above) and a second container (for example, the second tube T2 in the example described above).
  • the first container is a tube-shaped container composed of an insulator and containing the first sample
  • the first container is inserted through the first opening
  • the second container is: A tube-shaped container made of an insulator and containing a second sample, and a second container inserted through the second opening may be used.
  • the electrode is a handle gripped by a person.
  • the taste presenting device further includes a mask member (mask member MK in the example described above) that covers the user's mouth, and the mask member has a third opening (described above) through which the first member is inserted.
  • a mask opening HLD mask opening
  • a first member is inserted through the third opening
  • an electrode is provided inside the mask member.
  • the first terminal and the first sample are connected by a first conductor, and at least the portion of the first conductor that comes into contact with the first sample is the first conductor.
  • the third terminal and the second sample are connected by a second conductor, and at least the part of the second conductor that comes into contact with the second sample is the second conductor.
  • a configuration may be used that is resistant to corrosion.
  • At least the portion of the first conductor that comes into contact with the first sample is made of platinum, an alloy of platinum and titanium, or platinum-plated titanium.
  • the configuration may be used.
  • At least the portion of the second conductor that comes into contact with the second sample is made of platinum, an alloy of platinum and titanium, or platinum-plated titanium.
  • the configuration may be used.
  • the configuration in which the first sample is a gelled sample may be used.
  • the configuration in which the first sample is a sponge on which the first electrolyte is adsorbed may be used.
  • the configuration in which the second sample is a gelled sample may be used.
  • the configuration in which the second sample is a sponge on which the second electrolyte is adsorbed may be used.
  • the taste presenting device may be configured to further include a current value holding unit that keeps the current value of the current flowing through the human tongue at a predetermined current value.
  • the taste presenting device has a variable first voltage based on the content of the first taste detected by the first taste detection unit (for example, the first taste detection unit SR1 in the example described above) in the food and drink.
  • the unit was controlled to change the voltage between the electrode and the first sample, and was detected in the food and drink by the second taste detection unit (for example, the second taste detection unit SR2 in the example described above).
  • a configuration may be used that includes a control unit that controls the second voltage variable unit based on the content of the second taste and changes the voltage between the electrode and the second sample.
  • the taste presenting device controls the first voltage variable unit based on the content of the first taste received from the external device, changes the voltage between the electrode and the first sample, and at the same time, the external device.
  • a configuration may be used that includes a control unit that controls the second voltage variable unit based on the content of the second taste received from the device and changes the voltage between the electrode and the second sample. ..
  • the taste presentation system is the taste presentation device described above and an information processing device (described above) that is communicably connected to the presentation device.
  • the information processing device has a first voltage variable based on the content of the first taste detected by the first taste detection unit in food and drink.
  • the unit is controlled to change the voltage between the electrode and the first sample
  • the second voltage variable unit is controlled based on the content of the second taste detected by the second taste detection unit in the food and drink. , Change the voltage between the electrode and the second sample.
  • the taste presentation system can present the taste desired by the user to the user.
  • the taste presenting system includes the taste presenting device described above and an information processing device communicably connected to the taste presenting device.
  • the information processing device controls the first voltage variable unit based on the content of the first taste received from the external device, and changes the voltage between the electrode and the first sample.
  • the second voltage variable unit is controlled based on the content of the second taste received from the external device to change the voltage between the electrode and the second sample.
  • a first opening for exposing a first sample containing a first electrolyte that allows a person to perceive the first taste among a plurality of perceptible tastes is formed. It has one member, an electrode attached to a part other than the tongue among the parts held by a person, a first terminal and a second terminal, and the first terminal is connected to the first sample, and the electrode and the first sample A first voltage variable unit that changes the voltage between the two, a power supply that applies a voltage between the electrode and the second terminal, and a current value holding that keeps the current value of the current flowing through the human tongue at a predetermined current value.
  • the first sample is a solidified sample and is a sample capable of leaking the first electrolyte. As a result, the taste presenting device can make the user feel a finer change in the first taste.
  • the taste presenting system and the taste presenting device described above were devices capable of presenting the taste desired by the user to the user. However, this device can also be used as a device capable of presenting the user with a desired sensation.
  • a sensation presenting device capable of presenting a sensation other than the taste among the sensations desired by the user to the user will be described.
  • the sensation presenting device will be described by taking the sensation presenting device 200 as an example. Further, in the following, as an example, a case where the sensation presented by the sensation presenting device 200 is an incense that can be perceived by a person will be described.
  • the sensation presenting device 200 may have other sensations such as a visually perceptible color and a tactile sensation, instead of the human-perceptible taste and aroma. Also, in the present specification, the incense may be replaced with an odor.
  • FIG. 12 is a diagram showing an example of the configuration of the sensation presenting device 200.
  • the sensation presenting device 200 has the same configuration as the taste presenting device 1 according to the embodiment. That is, the sensation presenting device 200 includes a taste presenting unit 10 as a sensation presenting unit 210.
  • the difference between the sensation presentation unit 210 and the taste presentation unit 10 is the difference in the samples placed in each of the first tube T1 to the fifth tube T5.
  • the configuration of the sensation presentation unit 210 is the same as that of the taste presentation unit 10 except for this difference.
  • the samples placed in each of the first tube T1 to the fifth tube T5 in the sensory presentation unit 210 will be described in detail.
  • the first sample G1 was contained in the first tube T1.
  • the eleventh sample G11 is contained in the first tube T1. That is, in the sensory presentation unit 210, the first tube T1 is a container in which the eleventh sample G11 is placed.
  • the eleventh sample G11 is a sample containing the eleventh electrolyte.
  • the eleventh electrolyte is an electrolyte that binds to a predetermined eleventh receptor among the receptors possessed by humans.
  • the eleventh receptor is a receptor that allows a person to perceive a predetermined first incense.
  • the first incense is, for example, the incense of ammonia.
  • the eleventh electrolyte is, for example, ammonia.
  • ammonia is an example of an electrolyte that makes a person perceive the scent of ammonia. Therefore, the eleventh receptor is a receptor that binds to ammonia among the receptors possessed by humans.
  • the first incense may be another incense instead of the ammonia incense.
  • the second sample G2 was contained in the second tube T2.
  • the twelfth sample G12 is contained in the second tube T2. That is, in the sensory presentation unit 210, the second tube T2 is a container in which the twelfth sample G12 is placed.
  • the twelfth sample G12 is a sample containing the twelfth electrolyte.
  • the twelfth electrolyte is an electrolyte that binds to a predetermined twelfth receptor among the receptors possessed by humans.
  • the twelfth receptor is a receptor that allows a person to perceive a predetermined second scent.
  • the second incense is, for example, the incense of vinegar.
  • the twelfth electrolyte is, for example, acetic acid.
  • acetic acid is an example of an electrolyte that makes a person perceive the scent of vinegar. Therefore, the twelfth receptor is a receptor that binds to acetic acid among the receptors possessed by humans.
  • the second incense may be another incense instead of the vinegar incense.
  • the third sample G3 was contained in the third tube T3.
  • the thirteenth sample G13 is contained in the third tube T3. That is, in the sensory presentation unit 210, the third tube T3 is a container in which the thirteenth sample G13 is placed.
  • the thirteenth sample G13 is a sample containing the thirteenth electrolyte.
  • the thirteenth electrolyte is an electrolyte that binds to a predetermined thirteenth receptor among the receptors possessed by humans.
  • the thirteenth receptor is a receptor that allows a person to perceive a predetermined third scent.
  • the third incense is, for example, the incense of benzoic acid.
  • the thirteenth electrolyte is, for example, benzoic acid.
  • benzoic acid is an example of an electrolyte that causes a person to perceive the scent of benzoic acid. Therefore, the thirteenth receptor is a receptor that binds to benzoic acid among the receptors possessed by humans.
  • the third incense may be another incense instead of the benzoic acid incense.
  • the fourth sample G4 was contained in the fourth tube T4.
  • the 14th sample G14 is contained in the 4th tube T4. That is, in the sensory presentation unit 210, the fourth tube T4 is a container in which the 14th sample G14 is placed.
  • the 14th sample G14 is a sample containing the 14th electrolyte.
  • the 14th electrolyte is an electrolyte that binds to a predetermined 14th receptor among the receptors possessed by humans.
  • the 14th receptor is a receptor that allows a person to perceive a predetermined fourth scent.
  • the fourth incense is, for example, the incense of vanilla.
  • the 14th electrolyte is, for example, vanillin.
  • vanillin is an example of an electrolyte that causes a person to perceive the scent of vanilla. Therefore, the 14th receptor is a receptor that binds to vanillin among the receptors possessed by humans.
  • the fourth incense may be another incense instead of the vanilla incense.
  • the fifth sample G5 was contained in the fifth tube T5.
  • the 15th sample G15 is contained in the 5th tube T5. That is, in the sensory presentation unit 210, the fifth tube T5 is a container in which the fifteenth sample G15 is placed.
  • the fifteenth sample G15 is a sample containing the fifteenth electrolyte.
  • the fifteenth electrolyte is an electrolyte that binds to a predetermined fifteenth receptor among the receptors possessed by humans.
  • the fifteenth receptor is a receptor that allows a person to perceive a predetermined fifth scent.
  • the fifth incense is, for example, a citrus incense.
  • the fifteenth electrolyte is, for example, citric acid.
  • citric acid is an example of an electrolyte that makes a person perceive a citrus aroma. Therefore, the 15th receptor is a receptor that binds to citric acid among the receptors possessed by humans.
  • the fifth incense may be another incense instead of the citrus incense.
  • the sensation presenting device 200 uses a sample containing an electrolyte that binds to a receptor that makes a person feel a predetermined sensation as a sample to be put into each of the first tube T1 to the fifth tube T5, and By bringing the sample into contact with the site containing the receptor, a person can feel a desired sensation.
  • many receptors that make a person feel scent are present in, for example, the mucous membrane in the nasal cavity of a person.
  • the electrolyte contained in each of the 11th sample G11 to the 15th sample G15 may be any electrolyte as long as it does not overlap with each other and binds to a receptor that causes a person to perceive incense. Further, among the surfaces of the cover member 11, 2 or more and 4 or less tubes T may protrude from the surface opposite to the surface joined to the electrode 12, and 6 or more tubes T may protrude. It may be the configuration that is used.
  • the 11th sample G11 to the 15th sample G15 will be collectively referred to as a sample G10 unless it is necessary to distinguish them from each other. Further, in the following, for convenience of explanation, unless it is necessary to distinguish each of the eleventh electrolyte to the fifteenth electrolyte, the electrolytes contained in the sample G10 will be collectively referred to as the electrolytes.
  • the sample G10 is a solidified sample and is a sample capable of leaking the electrolyte contained in the sample G.
  • the sample G10 is a sample gelled by agar (more specifically, for example, a sample in which an aqueous solution containing an electrolyte contained in the sample G10 is gelled by agar).
  • the sample G10 may be a sample gelled with another additive such as gelatin.
  • the method of gelling the sample G10 with agar can lower the viscosity of the surface of the sample G10 as compared with the method of gelling the sample G10 with gelatin, and the ease of handling of the sample G10 is improved. This is the preferred method.
  • the sample G10 may be a sponge or the like on which the electrolyte contained in the sample G10 is adsorbed. That is, if the sample G10 is solidified so that the electrolyte contained in the sample G10 can leak to the human nasal mucosa when it comes into contact with the human nasal mucosa, it can be solidified by any method. good. Further, a part or all of the 11th sample G11 to the 15th sample G15 may be solidified by different methods.
  • the sensory presentation device 200 includes a taste control unit 20 as a sensory control unit 220.
  • the only difference between the sensory control unit 220 and the taste control unit 20 is the name. That is, the configuration of the sensory control unit 20 is the same as that of the taste control unit 20.
  • the sensory presentation device 200 can present the incense desired by the user to the user.
  • the user brings the sample G10 into contact with the user's intranasal mucosa while grasping the electrode 12. More specifically, the user pushes out the sample G10 from the tips of the five tubes T protruding from the cover member 11 of the sensation presenting portion 210, similarly to the sample G in FIG. Then, while grasping the electrode 12, the user presses the sample G10 extruded from the tips of the five tubes T against the mucous membrane in the user's nasal cavity as shown in FIG. This allows the user to bring the sample G10 into contact with the user's intranasal mucosa.
  • the user's intranasal mucosa is an example of a part of a human body that contains a receptor (that is, each of the 11th to 15th receptors) to which each of the electrolytes contained in the sample G10 binds.
  • a receptor that is, each of the 11th to 15th receptors
  • the user's intranasal mucosa is an example of a part of a person's body that contains the receptor that causes the person to perceive incense.
  • FIG. 13 is a diagram showing an example of a state in which the user presses the sample G10 against the mucous membrane in the nasal cavity of the user while grasping the electrode 12.
  • the amount of pushing the sample G10 from the tips of the five tubes T may be any amount as long as the sample G10 can come into contact with the mucous membrane in the nasal cavity.
  • the cover member 11 and the electrode 12 have an elongated structure so as to be inserted into the nasal cavity.
  • the cover member 11 and the electrode 12 may be elongated so as to be inserted into the nasal cavity.
  • the tube T may have an elongated structure so that each electrolyte can easily reach the receptor present in the mucous membrane in the nasal cavity.
  • the current supplied from the power supply 21 flows from the anode terminal of the power supply 21 to the user's hand via the electrode 12, and the user's hand.
  • the magnitude of the current flowing through the eleventh sample G11 is a value corresponding to the resistance value of the first voltage variable portion R1 which is a variable resistor.
  • the magnitude of the current flowing through the twelfth sample G12 is a value corresponding to the resistance value of the second voltage variable portion R2, which is a variable resistor, because the voltage applied from the power supply 21 is constant.
  • the magnitude of the current flowing through the thirteenth sample G13 is a value corresponding to the resistance value of the third voltage variable portion R3, which is a variable resistor, because the voltage applied from the power supply 21 is constant.
  • the magnitude of the current flowing through the 14th sample G14 is a value corresponding to the resistance value of the fourth voltage variable portion R4, which is a variable resistor, because the voltage applied from the power supply 21 is constant.
  • the magnitude of the current flowing through the 15th sample G15 is a value corresponding to the resistance value of the fifth voltage variable portion R5, which is a variable resistor, because the voltage applied from the power supply 21 is constant.
  • the electrolyte contained in the sample G10 is ionized in the sample G10. Therefore, when an electric current flows through the sample G10, the cations in the sample G10 are moved away from the user's intranasal mucosa by electrophoresis (that is, in the direction of approaching the electrode 12 from the user's intranasal mucosa through the sample G10. Move to).
  • the anions in the sample G10 approach the user's intranasal mucosa by electrophoresis (that is, move in the direction of approaching the user's intranasal mucosa through the sample G10). Since such electrophoresis occurs, the intensity of the scent of the sample G10 perceived by the user when the sample G10 comes into contact with the mucous membrane in the nasal cavity of the user changes according to the current flowing through the sample G10.
  • the scent of ammonia perceived by the user from the eleventh sample G11 is the current.
  • the scent of ammonia perceived by the user from the eleventh sample G11 becomes stronger as the magnitude of the electric current becomes smaller.
  • the scent of ammonia perceived by the user from the eleventh sample G11 in this case can be adjusted by changing the resistance value of the first voltage variable unit R1 which is a variable resistance.
  • the aroma of ammonia perceived by the user from the eleventh sample G11 is maximum when no current is flowing through the eleventh sample G11.
  • the relationship between the intensity of the incense perceived by the user and the magnitude of the electric current is common in the sample G10.
  • the sample G10 is brought into contact with the mucous membrane in the nasal cavity of the user, and the resistance value of each of the five voltage variable portions R is adjusted to present the incense desired by the user to the user. be able to.
  • the sensory presentation device 200 presents the user with the incense desired by the user by bringing the sample G10 into contact with the mucous membrane in the user's nasal cavity and adjusting the voltage between the electrode 12 and the sample G10. Can be done.
  • the incense presentation method using the sensory presentation device 200 is the same as the taste presentation method using the taste presentation device 1 except that the contact destination of the sample G10 is the mucous membrane in the nasal cavity of the user. Therefore, in the description of this application example, a detailed description of the incense presentation method using the sensation presentation device 200 will be omitted.
  • the sensory presentation device 200 may be configured to present the incense detected by the incense detection device to the user. Since the method in which the sensation presenting device 200 presents the incense detected by the incense detecting device to the user is substantially the same as the method in which the taste presenting device 1 presents the taste detected by the taste detecting device 2 to the user. A detailed description will be omitted.
  • the incense detection device detects the content of a plurality of incense contained in foods and drinks such as foodstuffs, dishes and beverages, or foods and drinks such as perfumes.
  • the sensation presenting device 200 may be configured integrally with the incense detecting device, or may be configured separately from the incense detecting device.
  • the sensation presentation device 200 may be configured to be used while the sample G10 is in contact with the mucous membrane in the nasal cavity of one of the two nasal cavities of the user. In this case, the sensory presenting device 200 can present the incense desired by the user without disturbing the user's breathing.
  • the sensory presentation device 200 may be further provided with a mask member MK2 that covers the user's nose.
  • the cover member 11 and the electrode 12 are formed separately.
  • FIG. 14 is a diagram showing an example of the configuration of the mask member MK2.
  • the mask member MK2 is formed with a mask opening HLD2 through which the cover member 11 is inserted.
  • the mask opening HLD2 is an opening through which the cover member 11 is inserted.
  • the mask member MK2 supports the cover member 11.
  • an electrode 12 is provided inside the mask member MK2.
  • the electrode 12 is provided on the inner surface of the mask member MK2, which comes into contact with the user's cheek when the mask member MK2 is worn by the user. As a result, the electrode 12 comes into contact with the user's body in that case.
  • the user can control the sensory control unit 220 in a hands-free state without gripping the sensory presentation unit 210.
  • the user can easily operate the sensation presenting device 200, and can make the sensation presenting device 200 present the desired scent more precisely.
  • the user can also create a new incense by using the sensation presenting device 200 described above. This is also important from the perspective of enriching people's lives.
  • the sensory presentation device 200 may be configured to further include the above-mentioned current value holding unit 13.
  • the current value holding unit 13 may be any member, device, or the like as long as the current value of the current flowing through the mucous membrane in the nasal cavity of the user can be maintained at a predetermined current value.
  • the current value holding unit 13 is the current value of the current flowing between the sixth tube T6 containing the 16th sample G16 and the 16th sample G16 and the electrode 12 via the user's body. It is composed of a second control unit 22 that controls the above. Since the configurations of the sixth tube T6 and the second control unit 22 have already been described in the modified example of the embodiment, detailed description thereof will be omitted.
  • the 16th sample G16 is a solidified sample.
  • the 16th sample G16 is a sample containing an electrolyte that cannot be perceived by humans as an incense, an electrolyte that is difficult for humans to perceive as an incense, an electrolyte that is almost unscented, and the like as the 16th electrolyte.
  • the 16th sample G16 contains sodium chloride as a nearly unscented 16th electrolyte will be described.
  • the 16th sample G16 is a sample in which sodium chloride, which is the 16th electrolyte, is gelled by agar (more specifically, a sample in which an aqueous solution in which sodium chloride is dissolved is gelled by agar).
  • the 16th sample G16 may be a sample gelled with another additive such as gelatin.
  • the method of gelling the 16th sample G16 with agar can lower the viscosity of the surface of the 16th sample G16 as compared with the method of gelling the 16th sample G16 with gelatin, and the method of gelling the 16th sample G16 can be made. This is a preferable method from the viewpoint of improving the ease of handling.
  • the 16th sample G16 may be a sponge or the like on which water is adsorbed. That is, if the 16th sample G16 is solidified so that the sodium chloride contained in the 16th sample G16 can leak to the human nasal mucosa when it comes into contact with the human nasal mucosa, any method can be used.
  • the 16th electrolyte may be another electrolyte that is difficult for humans to perceive as incense, or may be another electrolyte that is not perceptible for humans as incense, instead of sodium chloride.
  • the 16th sample G16 is a solidified sample and is a sample containing a 16th electrolyte that cannot be perceived by humans as an incense. Instead, it does not have an incense such as an unscented metal. It may be a conductor.
  • the sensation presenting device 200 includes the sixth tube T6 containing the 16th sample G16 and the second control unit 22 as the current value holding unit 13, so that the sensation presenting device 200 can be attached to the eleventh sample G11 to. Even when the current flowing through each of the 15th sample G15 is changed, the current flowing through the mucous membrane in the nasal cavity of the user can be kept constant. As a result, the sensation presenting device 200 can suppress the user's nasal mucosa from feeling an electrical stimulus when the total amount of current flowing through the user's nasal mucosa changes. Such electrical stimulation is more likely to occur as the current value of the current flowing through the mucous membrane in the nasal cavity of the user increases, which may cause noise when the user feels the scent.
  • the sensation presenting device 200 can make the user feel a finer difference in incense.
  • the sensory presentation device 200 can suppress the induction of sneezing by stimulation of an electric current to the mucous membrane in the nasal cavity of the user.
  • the sensory presentation device 200 described above brought the sample G10 into contact with the mucous membrane in the nasal cavity of a human, but instead of this, a receptor that binds to a predetermined electrolyte among the parts of a non-human organism. It may be configured to come into contact with a part including the body.
  • the sensation presenting device 200 can make an organism other than a human being feel the sensation desired by the user of the sensation presenting device 200.
  • the sensory presentation device 200 can assist control by electrical stimulation of an organism other than human beings, for example.
  • the site is, for example, the tip of a leg when an organism other than a human being is an insect.
  • the site is, for example, the surface of the body when a non-human organism is a catfish.
  • the sensation presenting device 200 described above may be configured to be combined with the taste presenting device 1 described above.
  • the sensation presenting device 200 includes 10 tubes T containing each of the first electrolyte to the fifth electrolyte and each of the eleventh electrolyte to the fifteenth electrolyte. Then, in the sensation presenting device 200, each of the first electrolyte to the fifth electrolyte is brought into contact with the user's tongue, and each of the eleventh electrolyte to the fifteenth electrolyte is brought into contact with the user's intranasal mucosa. Thereby, the sensation presenting device 200 can make the user feel the desired taste and aroma at substantially the same or the same timing.
  • the sensation presenting device 200 can present the user with a complex sensation desired by the user. This also leads to improving the virtual reality felt by the user. Therefore, the sensory presentation device 200 can be developed in various fields.
  • the first electrolyte to the fifth electrolyte and the eleventh electrolyte to the fifteenth electrolyte may partially or completely overlap (that is, they may be the same type of electrolyte).
  • the sensation presenting device 200 comprises the first electrolyte to the sixth electrolyte and the eleventh electrolyte to the sixteenth electrolyte. It may be configured to include 12 tubes T in which each is inserted.
  • each of the first electrolyte to the sixth electrolyte is brought into contact with the user's tongue, and each of the eleventh electrolyte to the sixteenth electrolyte is brought into contact with the user's intranasal mucosa.
  • the sensation presenting device 200 can make the user feel the desired taste and aroma at substantially the same or the same timing. That is, in this case, the sensation presenting device 200 can present the user with a complex sensation desired by the user while suppressing noise to the taste and aroma. This leads to a more reliable improvement in the virtual reality felt by the user. Therefore, the sensory presentation device 200 can be developed in a wider variety of fields.
  • the first electrolyte to the sixth electrolyte and the eleventh electrolyte to the sixteenth electrolyte may partially or completely overlap (that is, they may be the same type of electrolyte).
  • the sensory presenting device is a first electrolyte that binds to a predetermined first receptor among the receptors possessed by a predetermined organism.
  • the first member in which the A first voltage variable portion having an electrode attached to the electrode, a first terminal and a second terminal, the first terminal being connected to the first sample, and changing the voltage between the electrode and the first sample, and a first Between the second terminal and the second terminal, which has a third terminal and a fourth terminal, the third terminal is connected to the second sample, and the voltage between the electrode and the second sample is changed, and the electrode and the second terminal.
  • the first sample is a solidified sample and is a sample capable of leaking the first electrolyte.
  • the second sample is a solidified sample and is a sample capable of leaking the second electrolyte.
  • a program for realizing the functions of arbitrary components in the devices described above is recorded on a computer-readable recording medium.
  • the program may be loaded into a computer system and executed.
  • the term "computer system” as used herein includes hardware such as an OS (Operating System) and peripheral devices.
  • the "computer-readable recording medium” refers to a portable medium such as a flexible disk, a magneto-optical disk, a ROM, a CD (Compact Disk) -ROM, or a storage device such as a hard disk built in a computer system. ..
  • a "computer-readable recording medium” is a volatile memory (RAM) inside a computer system that serves as a server or client when a program is transmitted via a network such as the Internet or a communication line such as a telephone line.
  • RAM volatile memory
  • the above program may be transmitted from a computer system in which this program is stored in a storage device or the like to another computer system via a transmission medium or by a transmission wave in the transmission medium.
  • the "transmission medium” for transmitting a program refers to a medium having a function of transmitting information, such as a network (communication network) such as the Internet or a communication line (communication line) such as a telephone line.
  • the above program may be for realizing a part of the above-mentioned functions.
  • the above program may be a so-called difference file (difference program) that can realize the above-mentioned functions in combination with a program already recorded in the computer system.

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  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
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  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
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Abstract

Ce dispositif de présentation de sensation est muni : d'un premier élément dans lequel sont formées une première ouverture laissant apparaître un premier échantillon contenant un premier électrolyte et une seconde ouverture laissant apparaître un second échantillon contenant un second électrolyte ; d'un premier élément isolant ; d'une électrode ; d'une première unité de variation de tension qui comporte une première borne et une deuxième borne, et fait varier la tension entre l'électrode et le premier échantillon en même temps que la première borne est connectée au premier échantillon ; d'une seconde unité de variation de tension qui comporte une troisième borne et une quatrième borne, et fait varier la tension entre l'électrode et le second échantillon en même temps que la troisième borne est reliée au second échantillon ; et d'une source d'énergie. Le premier échantillon et le second échantillon sont des échantillons solidifiés, et permettent aux électrolytes contenus dans les échantillons de s'en échapper.
PCT/JP2021/016159 2020-04-24 2021-04-21 Dispositif de présentation de sensation, système de présentation de goût, procédé de présentation de goût et procédé de présentation de sensation WO2021215468A1 (fr)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59227268A (ja) * 1983-06-10 1984-12-20 Isoji Kurose 電気的味覚信号の発生方法
JP2007521868A (ja) * 2004-01-27 2007-08-09 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 味覚シミュレーションシステムの味覚知覚をシミュレートするための方法及び装置
US20070191757A1 (en) * 2006-02-16 2007-08-16 Biodel Inc. Method and Device for Sublingual Drug Delivery Using Iontophoresis
US20150283384A1 (en) * 2014-04-03 2015-10-08 Colorado State University Research Foundation Tongue stimulation for communication of information to a user
JP2017163916A (ja) * 2016-03-17 2017-09-21 株式会社電通 食品味覚再現システム、食品味覚再現データ変換装置及び食品味覚再現方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59227268A (ja) * 1983-06-10 1984-12-20 Isoji Kurose 電気的味覚信号の発生方法
JP2007521868A (ja) * 2004-01-27 2007-08-09 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 味覚シミュレーションシステムの味覚知覚をシミュレートするための方法及び装置
US20070191757A1 (en) * 2006-02-16 2007-08-16 Biodel Inc. Method and Device for Sublingual Drug Delivery Using Iontophoresis
US20150283384A1 (en) * 2014-04-03 2015-10-08 Colorado State University Research Foundation Tongue stimulation for communication of information to a user
JP2017163916A (ja) * 2016-03-17 2017-09-21 株式会社電通 食品味覚再現システム、食品味覚再現データ変換装置及び食品味覚再現方法

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