JP6746997B2 - Electro-oculography device and electronic device - Google Patents

Description

The present invention relates to an electro-oculography device and an electronic device.

2. Description of the Related Art Conventionally, there is known a device that detects a change in an electric potential (hereinafter, referred to as an ocular potential) accompanying a user's eye movement and emits a signal based on the change in the ocular potential. For example, there has been proposed a face information detection device including an auricle-mounting portion provided with an auricle-surrounding electrode and a head-mounting portion (for example, see Patent Document 1). Further, a biological signal measuring device has been proposed that includes a substantially conical detection electrode whose tip is fitted in a recess (ear pocket) between the auricular leg and the lower contralateral leg of the auricle (for example, Patent Document 2). reference). Further, there has been proposed an earphone that is attached to an external auditory meatus and has an ear attachment portion made of a conductive rubber containing silver or silver chloride (see, for example, Patent Document 3).

JP, 2006-340986, A JP, 2011-5176, A JP, 2014-215963, A

By the way, in order to detect the change in the electro-oculogram with high accuracy, it is desirable that the measurement electrode for measuring the electro-oculogram is pressed against the skin. Further, it is desirable that the device for measuring the electro-oculography be as small as possible in consideration of the wearability of the user. Furthermore, it is desirable that the measurement electrode for measuring the electro-oculography be installed at a position close to the eyeball where changes in electro-oculography can be easily captured. Patent Document 1 includes a head mounting portion capable of exhibiting elasticity so that the measurement electrode (auricular peripheral electrode) provided in the auricle mounting portion can be pressed against the user's skin. Since it is a so-called headphone type, the device becomes large. In Patent Document 2 and Patent Document 3, the device can be downsized by using a so-called earphone type, and this measurement is performed by providing a measurement electrode (detection electrode or the like) in a portion mounted in an ear pocket or an external auditory meatus. The electrodes can be pressed against the skin. However, the position of the measurement electrode moves away from the eyeball. As described above, there is room for improvement in all the documents.

In one aspect, it is an object of the electro-oculography device and the electronic device disclosed in the present specification to press the measurement electrode for measuring electro-oculography at a position close to the eyeball while pressing down the device.

The electro-oculography device disclosed in the present specification is an electro-oculography device that is worn on a user's ear, and includes an electro-oculography device that includes a first support portion and the first support portion. A second support part provided between the first support part and a second support part, which is provided so as to form at least a sandwiching part for sandwiching at least a part of the user's ear during wearing, and measures the electrooculogram of the user. A measurement electrode, a reference electrode provided at a position distant from the measurement electrode, and one of the first support portion and the second support portion, and the measurement electrode of the user An ear pad portion to be inserted into the ear canal.

An electronic device disclosed in the present specification is provided with a first support part and the first support part in a continuous manner, and between the first support part and at least the user's ear when the user wears the ear. A second support portion provided in a state of forming a sandwiching portion for sandwiching a part, a measurement electrode provided in the first support portion for measuring an electro-oculogram of the user, and the measurement electrode in a wearing state. A reference electrode provided at a position lower than the reference electrode and one of the first support portion and the second support portion, and is inserted into the ear canal of the user when the wearer is in a worn state. An electro-oculography device that includes an ear pad unit, and a control unit that issues a command based on a change in the electro-oculography acquired by the electro-oculography device.

According to the electro-oculography device and the electronic device disclosed in the present specification, it is possible to press the measurement electrode for measuring electro-oculography at a position close to the eyeball while miniaturizing the device.

FIG. 1 is an example of a functional block diagram of the electronic device according to the first embodiment. 2(A) to 2(C) are three-side views of the electro-oculography device for the right ear in the first embodiment, FIG. 2(A) is a front view, FIG. 2(B) is a rear view, and FIG. ) Is a right side view. FIG. 3(A) is an explanatory diagram showing names of respective parts of the right ear, and FIG. 3(B) is an explanatory diagram showing a state in which an electro-oculography device for the right ear is attached to the right ear. FIG. 4 is an explanatory diagram schematically showing a state in which the user who wears the electro-oculography device for the right ear on the right ear sees from above. FIG. 5(A) is an explanatory view schematically showing the charged state around the eyeball when the eyeball faces the front, and FIG. 5(B) shows the charged state around the eyeball when the eyeball faces the right side. It is explanatory drawing which shows a charged state typically. FIG. 6 is an explanatory diagram of the ear placement device of the first embodiment. FIG. 7A is an explanatory diagram showing the output when facing the left side, and FIG. 7B is an explanatory diagram showing the output when facing the right side. FIG. 8 is an explanatory diagram showing an example of a change in the output of the electro-oculography associated with the movement of the eyeball. 9A is a front view of the electro-oculography device for the right ear according to the second embodiment, and FIG. 9B is a rear view of the electro-oculography device for the right ear according to the second embodiment. FIG. 10 is an explanatory diagram showing how the electro-oculography device for the right ear according to the second embodiment is attached to the right ear.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. However, in the drawings, the dimensions, ratios, etc. of the respective parts may not be shown so as to completely match the actual ones. In addition, in some drawings, for convenience of description, actually existing constituent elements may be omitted, or dimensions may be exaggerated and drawn.

(First embodiment)
First, the electronic device 100 according to the first embodiment will be described with reference to FIGS. 1 to 8. FIG. 1 is an example of a functional block diagram of the electronic device according to the first embodiment. 2A to 2C are three-sided views of the electro-oculography device for the right ear according to the first embodiment. FIG. 2A is a front view, FIG. 2B is a rear view, and FIG. ) Is a right side view. FIG. 3(A) is an explanatory diagram showing names of respective parts of the right ear, and FIG. 3(B) is an explanatory diagram showing a state in which the electro-oculography device for the right ear is attached to the right ear. FIG. 4 is an explanatory diagram schematically showing a state in which the user who wears the electro-oculography device for the right ear on the right ear sees from above. FIG. 5(A) is an explanatory view schematically showing the charged state around the eyeball when the eyeball is facing the front, and FIG. 5(B) is a diagram showing the charged state around the eyeball when the eyeball is facing right. It is explanatory drawing which shows a charged state typically. FIG. 6 is an explanatory diagram of the ear placement device of the first embodiment. FIG. 7A is an explanatory diagram showing the output when facing the left side, and FIG. 7B is an explanatory diagram showing the output when facing the right side. FIG. 8 is an explanatory diagram showing an example of a change in the output of the electro-oculogram associated with the movement of the eyeball.

Referring to FIG. 1, the electronic device 100 includes an ear worn device 1 and a mobile terminal device 3. The ear mounting device 1 and the mobile terminal device 3 are connected by a cord 2. The ear mounting device 1 includes an electro-oculography device 1R for the right ear and an electro-oculography device 1L for the left ear. In addition, the ear mounting device 1 may be in a form including one of the right ear electro-oculography device 1R and the left ear electro-oculography device 1L. The right ear ocular potential measurement device 1R includes a measurement electrode 1R4 for measuring an ocular potential, a speaker unit 1R21, and a reference electrode 1R5. The specific configuration of the right ear electrooculogram measuring device 1R will be described in detail later. The left ear electrooculogram measuring device 1L also includes a measurement electrode 1L4, a speaker portion 1L21, and a reference electrode 1L5 that similarly measure the electrooculogram. The right-ear electro-oculography device 1R and the left-ear electro-oculography device 1L each correspond to an electro-oculography device.

Referring to FIGS. 2A to 2C, the electrooculogram measuring device 1R for the right ear includes a first supporting portion 1R1 and a second supporting portion 1R2. Although both the first support portion 1R1 and the second support portion 1R2 in the present embodiment are made of silicon, conventionally known materials such as plastic resin may be used. The first support portion 1R1 is formed in a thin plate shape. The 1st support part 1R1 and the 2nd support part 1R2 are connected in one end part and the other end part, respectively. The right-ear electro-oculography device 1R is attached to the user so that one end and the other end where the first support 1R1 and the second support 1R2 are connected are the upper end and the lower end, respectively. To be done. Between the first support portion 1R1 and the second support portion 1R2, there is formed an tragus insertion portion 1R3 which serves as a holding portion for holding a part of the user's ear. That is, the ocular potential measuring device 1R for the right ear of the present embodiment selects the tragus 50d as a part of the user's ear to be clamped, and the tragus 50d is detected by the first support portion 1R1 and the second support portion 1R2. It is designed to be sandwiched.

The names of the respective parts of the right ear 50R of the user are as shown in FIG. That is, the right ear 50R includes an auricle 50R1, an earring 50a, an annulus 50b, an external auditory meatus hole 50c, an tragus 50d, an antitragus 50e, and an ear lobe 50f. Here, the tragus 50d is a protruding portion formed immediately before the external auditory meatus hole 50c. Such a projecting portion can be sandwiched between the first support portion 1R1 and the second support portion 1R2. The tragus 50d itself has elasticity, and contributes to stable wearing when the right-ear electro-oculography device 1R is mounted on the right ear 50R. In the present embodiment, the tragus 50d is inserted into the tragus insertion portion 1R3 when the right-ear electro-oculography device 1R is attached to the right ear 50R. The width of the tragus insertion portion 1R3, that is, the distance between the first support portion 1R1 and the second support portion 1R2 is set to a width that holds the tragus 50d of the user. In this embodiment, the first supporting portion 1R1 is provided with the first protruding portion 1R11 protruding toward the second supporting portion 1R2 side. Further, the second supporting portion 1R2 is provided with a second projecting portion 1R23 protruding toward the first supporting portion 1R1 side. By narrowing the width of the tragus insertion portion 1R3, the first protrusion 1R11 and the second protrusion 1R23 contribute to stable mounting of the right ear electrooculography device 1R. In addition, the first support portion 1R1 and the second support portion 1R2 of the present embodiment are continuously provided at one end portion and the other end portion, respectively, but the first support portion 1R1 and the second support portion 1R2 are It suffices that they are connected at at least one of the ends.

Referring to FIG. 2A, the electro-oculography device 1R for the right ear includes a measurement electrode 1R4 for measuring the electro-oculography of the user on the front side of the first support portion 1R1. Here, the front side is the side facing the user's skin when worn. Referring to FIG. 2C, the electrooculogram measuring device 1R for the right ear includes a speaker unit 1R21 and an ear pad unit 1R22. The ear pad portion 1R22 is provided on the second support portion 1R2 via the speaker portion 1R21. Inside the speaker unit 1R21, parts for emitting sound are stored. As shown in FIG. 3B, when the electro-oculography device 1R for the right ear is mounted on the right ear 50R, the ear pad portion 1R22 is in a state of being inserted into the external auditory meatus 50c as shown in FIG. At this time, the speaker unit 1R21 located on the proximal end side of the ear pad unit 1R22 pushes the tragus 50d forward of the user's face 40 as shown by an arrow 5a in FIG. Further, the first support portion 1R1 is also pushed toward the front of the face 40 as shown by the arrow 5b. As a result, the first support portion 1R1 is pushed toward the center of the face 40 as shown by the arrow 5c. As a result, the measurement electrode 1R4 provided on the first support portion 1R1 is pressed against the user's skin.

Although the speaker unit 1R21 is provided in the present embodiment, other components may be incorporated inside the speaker unit 1R21 depending on the application of the electro-oculography device. Further, in the case of only measuring the electro-oculography, the parts in the speaker unit 1R21 can be removed.

Referring to FIG. 2A, the electro-oculography device 1R for the right ear includes a reference electrode 1R5 that is provided at a position lower than the measurement electrode 1R4 when in the worn state. The reference electrode 1R5 is provided in a portion where the first support portion 1R1 and the second support portion 1R2 meet at the lower end portion. The reference electrode 1R5 is a so-called earth electrode. Like the measurement electrode 1R4, the reference electrode 1R5 is provided on the front side of the right ear electrooculography device 1R. The reference electrode 1R5 may be provided on either the first support portion 1R1 or the second support portion 1R2. It is preferable that the reference electrode 1R5 be separated from the measurement electrode 1R4 as much as possible, and the reference electrode 1R5 of the present embodiment is arranged so as to be able to contact the ear lobe 50f. It should be noted that the position of the reference electrode does not necessarily have to be below the measurement electrode, and it may be arranged at another position. The reference electrode 1R5 is equipped to stably measure the electro-oculogram, and determines the reference of the potential difference. Therefore, the reference electrode 1R5 is not necessarily required to be in pressure contact with the skin of the user when measuring the electro-oculogram. That is, the reference electrode 1R5 is less important in terms of adhesion to the skin than the measurement electrode 1R4, and may be in contact with the skin to some extent. Even in the case where the first support portion 1R1 and the second support portion 1R2 are not merged at the lower end portion, the reference electrode 1R5 may be provided on either the first support portion 1R1 or the second support portion 1R2. Good.

The left-ear electro-oculography device 1L is similar to the right-ear electro-oculography device 1R in that the first support portion 1L1, the first protrusion 1L11, the second support portion 1L2, the speaker portion 1L21, the ear pad portion 1L22, The second protrusion 1L23 is provided. A tragus insertion portion 1L3 is formed between the first support portion 1L1 and the second support portion 1L2. Further, the ocular potential measurement device 1L for the left ear includes a measurement electrode 1L4 and a reference electrode 1L5. The left-ear electro-oculography device 1L is different from the right-ear electro-oculography device 1R only in the direction, and each component is common to the right-ear electro-oculography device 1R. , Its detailed description is omitted.

Here, the principle of electro-oculography measurement will be described with reference to FIGS. 5(A) and 5(B). It is known that the human eyes 45R and 45L are charged positively (+) on the cornea side and negatively (−) on the retina side, as shown in FIG. Therefore, for example, as shown in FIG. 5B, when the eyes 45R and 45L face right, the right side has a positive potential (+) and the left side has a negative potential (−) on the face side. Although not shown, when the eyes 45R and 45L face left, the left side has a positive potential (+) and the right side has a negative potential (−) on the face side. As described above, since the electro-oculogram around the eye changes with the eye movement, the electro-oculography measuring apparatus captures the change in the electro-oculography. The change in the captured electro-oculogram can be used as a signal. Regarding the measurement of the electro-oculography, the EOG (Electrooculography) method has been conventionally known, and this method can also be used in the present embodiment. The ocular potential is easier to detect as the measurement electrodes 1R4 and 1L5 are installed closer to the eyeball.

In this embodiment, this change in the electro-oculography is detected by using the inverting amplifier circuit 4 as shown in FIG. The inverting amplifier circuit 4 includes an operational amplifier 4a. The operational amplifier 4a includes a minus terminal 4a1 and a plus terminal 4a2. The inverting amplifier circuit 4 includes a first input terminal 4b, a second input terminal 4c, and an output terminal 4d. To the first input terminal 4b of the inverting amplifier circuit 4, the measurement electrode 1L4 included in the left ear electrooculogram measuring device 1L is connected. To the second input terminal 4c of the inverting amplifier circuit 4, the measurement electrode 1R4 included in the right ear electrooculography device 1R is connected. A first resistor 4e is provided between the first input terminal 4b of the inverting amplifier circuit 4 and the negative terminal 4a1 of the operational amplifier 4a. One end of the second resistor 4f is connected between the first resistor 4e and the negative terminal 4a1. The other end side of the second resistor 4f is connected to the output terminal 4d side of the operational amplifier 4a. A ground 4g is provided between the second input terminal 4c of the inverting amplifier circuit 4 and the positive terminal 4a2 of the operational amplifier 4a. The reference electrode 1R5 of the electro-oculography device 1R for the right ear and the reference electrode 1L5 of the electro-oculography device 1L for the left ear are connected to the ground 4g.

The inverting amplifier circuit 4 is a circuit that amplifies a voltage difference between the measurement electrode 1R4 of the right ear electrooculography device 1R and the measurement electrode 1L4 of the left ear ocular potential measurement device 1L. Therefore, the output Vout of the inverting amplifier circuit 4 is inverted with respect to the input.

The output when such an inverting amplifier circuit 4 is used will be described with reference to FIGS. 7(A) and 7(B). As shown in FIG. 7A, when the eyeballs 45R and 45L are directed to the left, a plus (+) signal is input to the first input terminal 4b of the inverting amplifier circuit 4 and a minus signal is input to the second input terminal 4c. The (-) signal is input. As a result, a minus (-) signal is output from the output terminal 4d. On the other hand, as shown in FIG. 7B, when the eyes 45R and 45L face to the right, a negative (-) signal is input to the first input terminal 4b of the inverting amplifier circuit 4, and the second input terminal 4c. A plus (+) signal is input to. As a result, a plus (+) signal is output from the output terminal 4d. In this way, different signals can be output depending on the type of eye movement. The inverting amplifier circuit 4 is an example of a means for detecting a change in the electro-oculography, and another known means may be used to detect the change in the electro-oculography. Further, even when either the right ear electro-oculography device 1R or the left ear electro-oculography device 1L is attached, the change in potential can be captured by the measurement electrode 1R4 or the measurement electrode 1L4. Changes in electro-oculogram can be measured.

Here, an example of the change in the output of the electro-oculography associated with the movement of the eyeball will be described with reference to FIG. First, at time t=t0, if the eyeballs 45R and 45L are facing the front, the output Vout of the ocular potential shows 0. Then, at time t=t1, when the eyes 45R and 45L are turned to the left, the output Vout of the ocular potential shows a negative value. Since the electro-oculogram is an electrostatic potential, ideally it should maintain a constant value when the eyeball remains facing to the left, but due to the influence of leakage current etc. in the device, The output potential of 1 gradually decreases as shown in FIG. The peak value of the electro-oculography depends on how much the eyeball has moved, that is, how much the eyeball has turned to the side. For this reason, the peak value of the electro-oculogram becomes larger as the side is seen.

At time t=t2, when the eyeballs 45R and 45L are turned to the right, the output Vout of the ocular potential shows a positive value, and at time t=t3, when the eyeballs 45R and 45L are turned to the left, the ocular potential output Vout again shows a negative value. Then, at time t=t4, when the eyes 45R and 45L are turned to the right, the output Vout of the ocular potential shows a positive value. By using such an output Vout as a signal and combining these signals in various ways, the mobile terminal device 3 can be controlled.

The mobile terminal device 3 is a player that can emit music, voice, and the like. The user can listen to the sound through the speaker unit 1R21 and the speaker unit 1L21. The user can change the ocular potential by moving the eyeball, and can operate the mobile terminal device 3 by the change in the ocular potential. The mobile terminal device 3 includes a bus 3a, and the bus 3a includes a CPU (Central Processing Unit) 3b, a display interface 3c, a touch panel interface 3d, a wireless communication interface 3e, and a wired communication interface 3f. In the present embodiment, the ear-wearing device 1 and the mobile terminal device 3 are connected via the cord 2 connected to the wired communication interface 3f, but the ear-wear device 1 and the mobile terminal device 3 are wireless communication interfaces. You may connect through 3e. A RAM (Random Access Memory) 3g, a built-in storage 3h, and a storage medium 3i are connected to the bus 3a. The storage medium 3i stores an operation system, application programs, and data files. The data file is, for example, a music file. The operating system and the application program are executed by the CPU 3b. The CPU 3b, the RAM 3g, and the like connected to the bus 3a function as a controller by cooperating with each other.

By operating these, the mobile terminal device 3 executes operations such as selection of a music piece, start/stop of performance, and fast forward. When the user wants to operate the mobile terminal device 3 by eye movement, the user sets the mobile terminal device 3 to the ocular potential input mode. Thus, when the mobile terminal device 3 is caused to perform a desired operation, it is possible to emit a signal and operate the mobile terminal device 3 by moving the eyeball. For example, in the application program, the eyeball motion of “seeing the right twice continuously” and the motion of the mobile terminal device 3 of “jump to the next song” are associated with each other. In this case, when the user performs an operation of continuously looking to the right twice, the inverting amplifier circuit 4 outputs positive (+)→minus (−)→plus (+)→minus (−). .. When the portable terminal device 3 receives a signal of such a combination, the portable terminal device 3 performs a “jump to the next song” operation. In this way, the user can operate the mobile terminal device 3 without using a hand. Such operation of the mobile terminal device 3 is convenient, for example, in a crowded train.

According to the electro-oculography device (the electro-oculography device 1R for the right ear and the electro-oculography device 1L for the left ear) of the present embodiment and the electronic device 100, the size of the device is reduced, and the eyes are positioned close to the eyes 45R and 45L. The measurement electrodes 1R4 and 1L4 for measuring the electric potential can be pressed against each other. That is, the electro-oculography device 1R for the right ear is a so-called earphone type, and thus is extremely small. Further, in the right-ear ocular potential measuring device 1R, the ear pad portion 1R22 and the speaker portion 1R21 are inserted into the external auditory meatus hole 50c, and the tragus insertion portion 1R3 holds the tragus 50d. Therefore, the right-ear electro-oculography device 1R is mounted on the right ear 50R in a stable state. At this time, since the ear pad 1R22 and the speaker 1R21 tragus 50d are pushed forward, the measurement electrode 1R4 provided on the first support 1R1 is pressed against the skin. Further, the measurement electrode 1R4 provided on the first support portion 1R1 is located closer to the eyeball 45R as compared with, for example, a case where the measurement electrode is installed in a portion to be inserted into the ear canal. As a result, the electro-oculography sensitivity is high. The effect of this is also common to the electro-oculography device 1L for the left ear.

(Second embodiment)
Next, a second embodiment will be described with reference to FIGS. 9(A), 9(B) and 10. 9A is a front view of the electro-oculography device for the right ear according to the second embodiment, and FIG. 9B is a rear view of the electro-oculography device for the right ear according to the second embodiment. FIG. 10 is an explanatory diagram showing how the electro-oculography device for the right ear according to the second embodiment is attached to the right ear.

The first difference between the electro-oculography device 11R for the right ear of the second embodiment and the electro-oculography device 1R for the right ear of the first embodiment is that the speaker portion 11R11 and the ear pad portion 11R12 are provided on the first support portion 11R1. It is a point provided. The second difference is that the right ear electro-oculography device 11R according to the second embodiment is replaced with the tragus insertion portion 1R3 included in the right ear electro-oculography device 1R according to the first embodiment, instead of the auricle. This is a point including the insertion portion 11R3. The point that the measurement electrode 11R4 is provided on the first support portion 11R1 is the same as in the first embodiment.

In the first embodiment, the first supporting portion 1R1 of the right ear electrooculogram measuring device 1R in the mounted state passes through the front side of the tragus 50d, and the second supporting portion 1R2 passes over the external auditory meatus hole 50c. On the other hand, in the second embodiment, the first support portion 11R1 of the right-ear ocular potential measurement device 11R in the mounted state passes over the external auditory meatus hole 50c, and the second support portion 11R2 passes behind the auricle 50R1. To do.

The first support portion 11R1 and the second support portion 11R2 are continuously provided at the upper end portion. Then, the insertion portion 11R21 provided at the lower end portion of the second support portion 11R2 is inserted through the insertion hole 11R13 provided at the lower end portion of the first support portion 11R1. By adjusting the insertion condition of the insertion portion 11R21 into the insertion hole 11R13, the size of the auricle insertion portion 11R3 can be adjusted. The reference electrode 11R5 is provided above the insertion hole 11R13 of the first support portion 11R1. The reference electrode 11R5 can contact the ear lobe 50f, as in the first embodiment.

When the right-ear electro-oculography device 11R of the second embodiment is attached, it can be attached to the right ear 50R in a stable state by adjusting the size of the pinna insertion portion 11R3. When the electro-oculography device 11R for the right ear is attached to the right ear 50R, the elastic auricle 50R1 tries to return to the original position at the rear. As a result, the first support portion 11R1 is also pulled backward. As a result, the measurement electrode 11R4 provided on the first support 11R1 can be brought into close contact with the skin. The measurement electrode 11R4 is in close contact with the base of the tragus 50d. That is, the measurement electrode 11R4 can be in close contact with the front side of the ear canal 50c.

As described above, also in the second embodiment, the same effect as in the first embodiment can be obtained. The second embodiment may be equipped with the tragus insertion portion as in the first embodiment.

Although the preferred embodiments of the present invention have been described in detail above, the present invention is not limited to the specific embodiments, and various modifications within the scope of the gist of the present invention described in the claims. It can be changed.

Note that the following supplementary notes will be disclosed with respect to the above description of the embodiment.
(Appendix 1)
An electro-oculography device worn on a user's ear,
A first support portion,
A second support part that is connected to the first support part and that is provided in a state of forming a sandwiching part that sandwiches at least a part of the user's ear when worn, between the first support part and the first supporting part;
A measurement electrode provided on the first support part for measuring the electrooculogram of the user;
A reference electrode provided at a position apart from the measurement electrode,
An ear pad portion that is provided on either one of the first support portion and the second support portion and that is inserted into the ear canal of the user when in a worn state,
An electro-oculography device equipped with.
(Appendix 2)
The electro-oculography device according to note 1, wherein the ear pad portion is provided on either one of the first support portion and the second support portion via a speaker portion.
(Appendix 3)
The ear pad portion is provided on the second support portion,
The electro-oculography device according to Note 1, wherein the width of the holding portion is set to a width for holding the tragus of the user.
(Appendix 4)
The ear pad portion is provided on the first support portion,
The electro-oculography device according to appendix 1, wherein the second support portion is provided at a position arranged on the rear side of the auricle of the user when in the mounted state.
(Appendix 5)
A first support portion,
It is connected to the first support portion and is provided in a state of forming a sandwiching portion between the first support portion and the first support portion for sandwiching at least a part of the user's ear when the user wears the ear on the ear. A second support part that is
A measurement electrode provided on the first support part for measuring the electrooculogram of the user;
A reference electrode provided at a position apart from the measurement electrode,
An electro-oculography device, comprising: an ear pad portion that is provided on one of the first support portion and the second support portion and that is inserted into the external auditory meatus of the user when in a worn state,
Based on the change in the electro-oculogram acquired by the electro-oculography device, a control unit for issuing a command,
An electronic device comprising.
(Appendix 6)
6. The electronic device according to appendix 5, wherein the ear pad part is provided on either one of the first support part and the second support part via a speaker part.
(Appendix 7)
The ear pad portion is provided on the second support portion,
6. The electronic device according to appendix 5, wherein a width of the holding portion is set to a width for holding the tragus of the user.
(Appendix 8)
The ear pad portion is provided on the first support portion,
6. The electronic device according to appendix 5, wherein the second support portion is provided at a position arranged on the rear side of the auricle of the user when in the mounted state.

1 ear wearing device 1R, 11R ocular potential measurement device for right ear 1L ocular potential measurement device for left ear 1R1, 1L1, 11R1 first support part 1R2, 1L2, 11R2 second support part 1R21, 1L21, 11R11 speaker part 1R22, 1L22 , 11R12 Ear pad part 1R3, 1L3 Tragus insertion part 1R4, 1L4, 11R4 Measurement electrode 1R5, 1L5, 11R5 Reference electrode 3 Portable terminal device 45R Right eye 45L Left eye 100 Electronic device 11R13 Insertion hole 11R21 Insertion part 11R3 Ear insertion part

Claims (3)

An electro-oculography device worn on a user's ear,
A first support portion,
A second support part that is connected to the first support part and is provided between the first support part and the first support part so as to form a holding part that holds at least a part of the user's ear when worn;
A measurement electrode provided on the first support part for measuring the electrooculogram of the user;
A reference electrode provided at a position apart from the measurement electrode,
An ear pad portion that is provided on the second support portion and that is inserted into the ear canal of the user when in a worn state;
Equipped with
The electro-oculography device is configured such that the width of the holding portion is set to hold the tragus of the user. The electro-oculography device according to claim 1 , wherein the ear pad unit is provided via a speaker unit. A first support portion,
It is connected to the first support part and is provided in a state of forming a sandwiching part between the first support part and the first support part for sandwiching at least a part of the user's ear when the user's ear is worn. A second support portion,
A measurement electrode provided on the first support part for measuring the electrooculogram of the user;
A reference electrode provided at a position apart from the measurement electrode,
An ear pad portion that is provided on the second support portion and that is inserted into the ear canal of the user when the user wears the ear support portion, and the width of the holding portion is a width for holding the tragus of the user. A set electro-oculography device,
Based on the change in the electro-oculogram acquired by the electro-oculography device, a control unit for issuing a command,
An electronic device comprising.

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