JP2021162657A - Spectacles - Google Patents

Abstract

To allow for having a conversation without malfunction, using a simple structure in a working site where spectacles are used,.SOLUTION: There are provided protective spectacles which have lenses 11 and right and left frames 12, 13, and protect eyes of a wearer during work, and are used to converse through communication with an external communication part 10. The protective spectacles comprise: a bone conduction microphone 2 which is provided to the right frame 12, and outputs a transmission voice signal P1 consisting of vibrations of a vocal cord conducted to bones when the wearer speaks to the communication part 10; and a bone conduction speaker 3 which is provided to the left frame 13, and transmits vibrations of a received voice signal P2 input from the communication part 10 to bones of the wearer. The bone conduction microphone 2 and bone conduction speaker 3 are provided slidably in extending directions of the frames 12, 13, respectively.SELECTED DRAWING: Figure 1

Description

The present invention relates to eyeglasses.

Conventionally, as a means for assisting communication with a hearing-impaired person, for example, a glasses-type bone conduction system as shown in Patent Document 1 is known. Such a glasses-type bone conduction system is a system that uses vibrations around the cheekbones and temples to have a conversation.

In Patent Document 1, a voice recognition circuit recognizes a voice signal input from a bone conduction microphone by a bone conduction sound, and the voice recognition voice information is converted into character information by a voice character conversion circuit. , A spectacle-type communication support device for superimposing an image on which text information is displayed by a display means on a field of view through spectacles and allowing the user to visually recognize it is described.

Japanese Unexamined Patent Publication No. 2008-176681

In the case of the conventional glasses-type bone conduction system as described above, noise may be generated due to slight contact, and it is difficult to align the bones according to the size of each face. There was a need for a way to attach it to.

In addition, when working at a construction site or the like, the noise generated at the site is large and it is difficult for workers to talk to each other. At such construction sites, helmets, dust masks, protective goggles, earplugs, etc. are often worn, so it is complicated and difficult to further wear the above-mentioned eyeglass-type bone conduction system. There was room for improvement in terms of points. Moreover, since there is a lot of work to move the body as in the work site, there is a problem that a malfunction occurs due to the switches coming into contact with an external part or when the body is moved.

The present invention has been made in view of the above-mentioned problems, and an object of the present invention is to provide eyeglasses having a simple structure and capable of having a conversation without malfunction.

In order to achieve the above object, the glasses according to the present invention are glasses having a lens and left and right frames for communicating with an external communication unit and having a conversation, and one of the left and right frames. A bone conduction microphone that outputs a transmitted audio signal consisting of vibration of the vocal cords transmitted to the bone when the wearer utters a voice to the communication unit, and a bone conduction microphone provided on the other side of the left and right frames and input from the communication unit. It is characterized by including a bone conduction speaker that transmits the vibration of the received audio signal to the wearer's bone.

In the present invention, since the bone conduction microphone and the bone conduction speaker are integrally provided on the frame, the bone conduction system is required to be attached in addition to the conventional glasses used at the work site. Instead, it is possible to have a conversation with a person equipped with a communication unit by using bone conduction means only by wearing glasses.
Further, in this case, since the bone conduction microphone is provided on one of the left and right frames and the bone conduction speaker is provided on the other, it is possible to prevent a malfunction due to contact from the outside during work. That is, in the present invention, the bone conduction microphone easily picks up the vibration of the bone conduction speaker, and a howling phenomenon occurs, as in the case where the bone conduction microphone and the bone conduction speaker are provided on the same side or both of the left and right frames. Can be suppressed.
Further, the target of the glasses according to the present invention may be protective glasses for work or glasses with a degree that are generally used.

Further, in the glasses according to the present invention, it is preferable that the bone conduction microphone and the bone conduction speaker are each slidably provided along the extending direction of the frame.

In this case, the bone conduction microphone and the bone conduction speaker can be slid along the extending direction of the frame according to the skeleton of the wearer. Therefore, the positions of the bone conduction microphone and the bone conduction speaker can be adjusted to appropriate positions while wearing the glasses.

Further, the glasses according to the present invention may be characterized in that the bone conduction microphone and the bone conduction speaker are arranged on the inner surface of the frame.

In this case, since the bone conduction microphone and the bone conduction speaker are not exposed on the outer surface of the frame, it is difficult to make contact from the outside, and it is possible to prevent a malfunction due to contact from the outside during work.

Further, the glasses according to the present invention may be characterized in that the front portion of the frame is provided with a power switch for the bone conduction microphone and the bone conduction speaker.

In this case, since the power switch is arranged at the front portion of the frame, it is possible to suppress a malfunction due to contact.

Further, the glasses according to the present invention may be characterized in that a volume adjusting switch capable of adjusting the volume of the vibration sound transmitted from the bone conduction speaker is provided at the front portion of the frame.

In this case, since the volume adjustment switch is arranged at the front portion of the frame, it is possible to suppress a malfunction due to contact.

Further, the eyeglasses according to the present invention are characterized by being protective eyeglasses having a function of protecting the eyes of the wearer during work.

In this case, the eyes of the wearer wearing the protective goggles required at the time of work are protected, and the conversation can be performed without the above-mentioned malfunction.
Further, the protective goggles may be worn over ordinary prescription eyeglasses.

According to the spectacles of the present invention, it is possible to have a conversation with a simple structure without malfunction at a work site where the spectacles are used.

It is a perspective view which shows the structure of the protective goggles by embodiment of this invention.

Hereinafter, the glasses according to the embodiment of the present invention will be described with reference to the drawings.

The protective goggles 1 (glasses) according to the present embodiment shown in FIG. 1 are used to assist conversation between workers when wearing helmets, dust masks, protective goggles, earplugs, etc., for example, at a tunnel construction site. It is used. That is, the protective goggles 1 of the present embodiment are used to protect the eyes of the wearer during work and to communicate with the external communication unit 10 to have a conversation.

The protective goggles 1 integrates a lens 11, commercially available eyeglasses having left and right frames 12 and 13 (right frame 12, left frame 13) for holding the lens 11, and a bone conduction system. In the present embodiment, the left and right frames 12 and 13 are foldable with respect to the lens 11 via a hinge. The shape of the lens 11 is not particularly limited. Further, the lens 11 may have a prescription or a decorative glass without a prescription.

Here, in the following description, it is assumed that the wearer wears the protective goggles 1 in the left-right direction and the front-back direction when viewed from the wearer, the lens 11 side is the front, and the left and right frames 12 and 13 The tip side is the rear.

The protective glasses 1 are provided on the right frame 12, a bone conduction microphone 2 that outputs a transmission voice signal P1 composed of vibration of the vocal cords transmitted to the bone when the wearer utters, and a bone conduction microphone 2 on the left frame 13. A bone conduction speaker 3 for transmitting the vibration of the received voice signal P2 input from the communication unit 10 to the wearer's bone is provided.

A voice transmission / reception unit 6 is provided on a part of the protective goggles 1 (the right side portion of the lens 11 in the present embodiment). The voice transmission / reception unit 6 can wirelessly transmit / receive to / from the communication unit 10. Here, the communication unit 10 may be, for example, protective goggles used by another wearer, or communication equipment such as a mobile phone owned by a person other than the wearer.

The bone conduction microphone 2 is provided on the inner surface of the central portion of the right frame 12 in the length direction, and is slidably provided along the frame extending direction of the right frame 12. A right slit 12b extending in the frame extending direction is formed on the inner surface 12a of the right frame 12. The bone conduction microphone 2 can be slid to an appropriate position along the right slit 12b by the operation of the wearer.

The bone conduction microphone 2 is composed of a vibration sensor (not shown), an amplifier, and an A / D converter. The vibration sensor collects the vibration of the vocal band transmitted to the bone, and the transmitted voice signal P1 amplified by the amplifier is digitally obtained. It is converted into a signal and output to the voice transmission / reception unit 6. The transmitted voice signal P1 is transmitted from the voice transmitting / receiving unit 6 to the communication unit 10.

The bone conduction speaker 3 is provided on the inner surface of the central portion of the left frame 13 in the length direction, and is slidably provided along the frame extending direction of the left frame 13. A left slit 13b extending in the frame extending direction is formed on the inner surface 13a of the left frame 13. The bone conduction speaker 3 can be slid to an appropriate position along the left slit 13b by the operation of the wearer.

The bone conduction speaker 3 is composed of a bone conduction speaker (not shown), an amplifier, and a D / A converter, and the received audio signal P2 input from the external communication unit 10 is converted into an analog signal by the D / A converter. The received audio signal P2 is amplified by an amplifier and sent to the bone conduction speaker. The bone conduction speaker vibrates the diaphragm in response to the received audio signal P2 and transmits the vibration to the bone.

A power switch 4 for the bone conduction microphone 2 and the bone conduction speaker 3 is provided on the right front portion 11a of the lens in front of the right frame 12. The power switch 4 controls the power supply to each part (bone conduction microphone 2, bone conduction speaker 3, etc.) by ON-OFF. The power switch 4 is turned off when the right frame 12 is folded (not in use), and turned on when the right frame 12 is in the upright state (used state). FIG. 1 shows the left and right frames 12 and 13 in an upright state. Batteries are built in a part of the left and right frames 12 and 13. Alternatively, it may be rechargeable.

Further, a volume adjusting switch 5 capable of adjusting the volume of the vibration sound transmitted from the bone conduction speaker 3 is provided on the left front portion 11b of the lens in front of the left frame 13.

Next, the method of using the protective goggles 1 described above will be described with reference to FIG.
When the wearer wears the protective goggles 1 and performs work, the power switch 4 is turned on by unfolding the folded left and right frames 12 and 13 so as to be in an upright state. Then, the protective goggles 1 whose power is turned on can be worn, and the protective goggles 1 can be used to start a conversation with the external communication unit 10 while performing the work.

In this conversation, the words (voice) spoken by the wearer are taken into the bone conduction microphone 2, sent to the voice transmission / reception unit 6, and the transmitted voice signal P1 is transmitted to the communication unit 10. Then, the transmitted audio signal P1 can be transmitted to another person including the communication unit 10 to which the input voice signal P1 is input. On the other hand, the received voice signal P2 received from the communication unit 10 is input to the voice transmission / reception unit 6. Then, the received audio signal P2 input to the audio transmission / reception unit 6 is demodulated into a reception audio signal and transmitted from the bone conduction speaker 3 to the auditory organ of the wearer by vibration. In this way, by using the protective goggles 1 of the present embodiment, the wearer can surely have a conversation with the person provided with the communication unit 10.

Next, the operation of the protective goggles 1 described above will be described in detail with reference to the drawings.
In the present embodiment, as shown in FIG. 1, the bone conduction microphone 2 and the bone conduction speaker 3 are protective goggles 1 having a simple structure integrally provided on the right frame 12 and the left frame 13, respectively. It is not necessary to wear a bone conduction system in addition to the conventional protective goggles used in the field, and it is possible to have a conversation with a person equipped with the communication unit 10 by using the bone conduction means only by wearing the protective goggles 1. ..

Further, in this case, since the bone conduction microphone 2 and the bone conduction speaker 3 are provided on the left and right frames 12 and 13, it is possible to prevent a malfunction due to contact from the outside during work. That is, in the present embodiment, the bone conduction microphone transmits the vibration of the bone conduction speaker, as in the case where the bone conduction microphone 2 and the bone conduction speaker 3 are provided in the same one or both of the left and right frames 12 and 13. It is easy to pick up and can suppress the occurrence of howling phenomenon.

Further, in the protective goggles 1 according to the present embodiment, the bone conduction microphone 2 and the bone conduction speaker 3 can be slid along the extending directions of the right frame 12 and the left frame 13, respectively, according to the skeleton of the wearer. Therefore, the positions of the bone conduction microphone 2 and the bone conduction speaker 3 can be adjusted to appropriate positions while wearing the protective goggles 1.

Further, in the present embodiment, the bone conduction microphone 2 and the bone conduction speaker 3 are arranged on the inner surfaces 12a and 13a of the frames 12 and 13, and are not exposed to the outer surfaces of the frames 12 and 13, so that they are difficult to contact from the outside. With this configuration, it is possible to prevent malfunctions due to external contact during work.

Furthermore, in the present embodiment, since the power switch 4 is arranged at the front portion of the right frame 12, it is possible to suppress a malfunction due to contact.

Further, in the present embodiment, since the volume adjustment switch 5 is arranged at the front portion of the left frame 13, it is possible to suppress a malfunction due to contact.

As described above, in the protective goggles 1 according to the present embodiment, it is possible to have a conversation with a simple structure without malfunction at the work site where the protective goggles 1 are used.

Although the embodiment of the eyeglasses according to the present invention has been described above, the present invention is not limited to the above embodiment and can be appropriately modified without departing from the spirit of the present invention.

For example, in the present embodiment, the bone conduction microphone 2 and the bone conduction speaker 3 are provided so as to be slidable along the extending directions of the frames 12 and 13, respectively, but the configuration is limited to the slidable configuration. May be placed in a fixed position.
Further, although the positions of the bone conduction microphone 2 and the bone conduction speaker 3 are arranged on the inner surfaces 12a and 13a of the frames 12 and 13, the position is not limited to the inner surfaces 12a and 13a and is the outer surface of the frame. It doesn't matter.
Further, in the present embodiment, the bone conduction microphone 2 is provided in the right frame 12 and the bone conduction speaker 3 is provided in the left frame 13, but the bone conduction microphone 2 and the bone conduction speaker 3 are arranged upside down. It may have been done.

Further, although the bone conduction microphone 2 and the power switch 4 of the bone conduction speaker 3 are provided in the front part of the right frame 12, the position of the power switch 4 is limited to the front part of the frames 12 and 13. There is no such thing.

A volume adjustment switch 5 capable of adjusting the volume of the vibration sound transmitted from the bone conduction speaker 3 is provided in the front part of the left frame 13, but the position of the volume adjustment switch 5 is located in the front part of the frames 12 and 13. It is not limited to being.

Further, in the present embodiment, the protective goggles 1 for work are targeted, but the structure is such that the bone conduction microphone 2 and the bone conduction speaker 3 are provided on the left and right frames of the commonly used prescription glasses. May be good.

The shape, size, and material of the protective goggles are not limited to the above-described embodiment, and can be set arbitrarily. For example, protective goggles having a lens with a frame may be used.
Further, for example, the protective goggles may be made larger and can be worn over ordinary prescription eyeglasses.

In addition, it is possible to replace the components in the above-described embodiment with well-known components as appropriate without departing from the spirit of the present invention.

1 Protective glasses (glasses)
2 Bone conduction microphone 3 Bone conduction speaker 4 Power switch 5 Volume adjustment switch 6 Audio transmission / reception part 10 Communication part 11 Lens 11a Lens right front part 11b Lens left front part 12 Right frame 12a Inner surface 13 Left frame 13a Inner surface P1 Outgoing audio signal P2 reception Audio signal

Claims (6)

It has a lens and left and right frames, and is a pair of glasses for communicating with an external communication unit and having a conversation.
A bone conduction microphone provided on either of the left and right frames and outputting a transmitted audio signal consisting of vibration of the vocal cords transmitted to the bone when the wearer utters to the communication unit.
A bone conduction speaker provided on the other side of the left and right frames and transmitting vibration of a received audio signal input from the communication unit to the wearer's bone.
Glasses that are characterized by having. The eyeglasses according to claim 1, wherein the bone conduction microphone and the bone conduction speaker are each slidably provided along the extending direction of the frame. The glasses according to claim 1 or 2, wherein the bone conduction microphone and the bone conduction speaker are arranged on the inner surface of the frame. The eyeglasses according to any one of claims 1 to 3, wherein a power switch for the bone conduction microphone and the bone conduction speaker is provided on the front portion of the frame. The method according to any one of claims 1 to 4, wherein a volume adjusting switch capable of adjusting the volume of the vibration sound transmitted from the bone conduction speaker is provided on the front portion of the frame. Glasses. The eyeglasses according to any one of claims 1 to 5, wherein the eyeglasses are protective eyeglasses having a function of protecting the wearer's eyes during work.

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