JP6937983B2 - Underwater AR goggles - Google Patents

Description

The present invention relates to underwater AR goggles.

There are many underwater goggles (Patent Document 1 etc.), but all of them are supposed to only look underwater.

Japanese Unexamined Patent Publication No. 11-2535777

An object of the present invention is to provide a completely new underwater AR goggles that has never been seen before.

According to one aspect of the present invention, an underwater goggles, a Fresnel lens provided on a window portion of the underwater goggles, an image display device having a display arranged in front of the Fresnel lens, and a casing covering the image display device. And, the AR image based on the underwater image obtained by the camera of the image display device is displayed on the display, and the focal position of the AR image is set by the Fresnel lens to the wearer of the underwater goggles. Underwater AR goggles that are adjusted to the position of the eye are provided.

According to this configuration, the Fresnel lens provided on the window of the underwater goggles adjusts the focal position of the AR image to the position of the eyes of the wearer of the underwater goggles, so that the wearer of the underwater goggles can display the image. The AR image displayed on the display unit of is can be viewed in a focused state. As a result, the wearer of the underwater goggles can enjoy the AR image even underwater.

It is desirable that the casing is provided with slits, and it is more desirable that slits are provided on the upper surface and the lower surface of the casing.
Then, when the wearer of the underwater goggles dives into the water, air escapes from the casing through the slit, and water flows into the casing through the slit, and when the wearer of the underwater goggles goes out onto the water, the slit. It is preferable that water escapes from the casing through the slit and air flows into the casing through the slit.

According to this configuration, slits are provided on the upper surface and the lower surface of the casing covering the image display device, so that when the wearer of the underwater goggles dives from the air to the water, the air in the casing smoothly flows from the slit on the upper surface. As it comes out, water smoothly flows into the casing through the slit on the lower surface. This makes it possible to prevent the wearer of the underwater goggles from being affected by the buoyancy caused by the accumulation of air in the casing when submerged in water.

Further, when the wearer of the underwater goggles goes out of the water into the air, the water in the casing smoothly escapes from the slit on the lower surface, and the air smoothly flows into the casing through the slit on the upper surface. This makes it possible to prevent the wearer of the underwater goggles from being affected by gravity due to the accumulation of water in the casing when the wearer goes out of the water.

It is desirable that the image display device is provided with a camera, and the casing is provided with a shooting window at a position corresponding to the camera.

According to this configuration, the casing covering the video display device is provided with a shooting window at a position corresponding to the underwater camera of the video display device. Therefore, when the wearer of the underwater goggles is submerged, the shooting window is provided. Underwater AR images can be taken with an underwater camera through.

A completely new underwater AR goggles that allows you to enjoy AR images even underwater will be provided.

The external view of the underwater AR goggles according to one embodiment. An exploded perspective view of the underwater AR goggles according to the embodiment. The block diagram which shows the schematic structure of the image display device 300. The block diagram which shows the specific 1st configuration example of the image display device 300. FIG. 3 is a block diagram showing a specific second configuration example of the image display device 300. The block diagram which shows the specific 3rd structural example of the image display device 300. FIG. 3 is a block diagram showing a specific fourth configuration example of the image display device 300.

Hereinafter, embodiments according to the present invention will be specifically described with reference to the drawings.

1A and 1B are an external view and an exploded perspective view of the underwater AR goggles according to the embodiment, respectively. The underwater AR goggles include an underwater goggles 100, a Fresnel lens 200, an image display device 300, a frame portion 400, and a casing 500.

The underwater goggles 100 are worn on the user's head. The underwater goggles 100 are formed with an open window 101, and a window is formed on the front side of the eyes of the user (hereinafter, simply referred to as the wearer) who wears the underwater goggles 100 on the head (the tip of the line of sight of the wearer, the same applies hereinafter). The unit 101 is located. A Fresnel lens 200 is provided on the window 101. As an example, a glass surface may be fitted to the window portion 101, and a Fresnel lens 200 may be attached to the glass surface. As another example, a glass surface having a function as a Fresnel lens 200 may be fitted in the window portion 101. The glass surface may be monocular or binocular.

The underwater goggles 100 have a waterproof function so that water does not enter between the wearer's eyes and the Fresnel lens 200 (inside the Fresnel lens 200) even if the wearer goes underwater.

The image display device 300 is arranged on the front side of the Fresnel lens 200. The image display device 300 has a camera 2 provided on the front surface, for example, at a corner, and photographs the front of the underwater AR goggles. Further, the image display device 300 has a display (not shown in FIGS. 1A and 1B) having the same size as the Fresnel lens 200 provided on the rear surface, and the AR image described later is displayed on this display. Is displayed.

The focal position of the AR image displayed on the display is adjusted by the Fresnel lens 200 so as to match the position of the wearer's eyes. As a result, the image display device 300 is arranged close to the eyes, but the wearer can view the AR image displayed on the display in a focused state and can enjoy the AR image underwater. ..

The image display device 300 has a waterproof function, the display can display an AR image even underwater, and the camera 2 can take a picture even underwater. In the present embodiment, the image display device 300 has the camera 2, but the image display device 300 having a display and the camera 2 may be separate bodies.

The casing 500 is composed of a front surface 501, an upper surface 502, a side surface 503, and a lower surface 504, and covers an image display device 300 fitted inside the frame portion 400. The Fresnel lens 200 is also located inside the casing 500.

A shooting window 510 is provided on the front surface 501 of the casing 500 at a position corresponding to the camera 2, more specifically, in front of the camera 2. The photographing window 510 may be an opening or a transparent member. As a result, the camera 2 can shoot in front of the underwater AR goggles through the shooting window 510, and the camera 2 can shoot underwater when the wearer goes underwater.

Further, slits 520 (gap) are provided at one or a plurality of positions of the casing 500. If the slit 520 is not provided, buoyancy due to air in the casing 500 may occur when the wearer dives into the water, making it difficult for the wearer to dive into the water. Further, the weight of the water accumulated in the casing 500 when the wearer goes out of the water may make it difficult for the wearer to go out of the water. On the other hand, by providing the casing 500 with the slit 520, air and water can smoothly move inside and outside the casing 500 through the slit 520, and it becomes easy for the wearer to dive into or out of the water.

It is desirable that the slits 520 are provided on the upper surface 502 and the lower surface 504 of the casing 500. When the wearer dives into the water, the air in the casing 500 escapes from the slit 520 on the upper surface 502, and water flows into the casing 500 from the slit 520 on the lower surface 504. Further, when the wearer goes out onto the water, air flows into the casing 500 from the slit 520 on the upper surface 502, and the water accumulated in the casing 500 escapes from the slit 520 on the lower surface 504. Of course, the position where the slit 520 is provided is not limited, and may be provided on the side surface 503, for example.

The underwater AR goggles may be an integral device as a whole, or may be configured by combining a plurality of parts. In the latter case, the image display device 300 is a smartphone, and can be combined with the underwater goggles 100 provided with the Fresnel lens 200, the frame portion 400, and the casing 500. The image display device 300 does not necessarily have to have a waterproof function. In this case, the frame portion 400 may be provided with a waterproof function to prevent the image display device 300 from being flooded. Further, when the image display device 300 has a waterproof function, the frame portion 400 may be omitted.

Hereinafter, the video display device 300 will be described in detail.
FIG. 2 is a block diagram showing a schematic configuration of the video display device 300. The image display device 300 includes a memory 3 and a control unit 4 in addition to the display 1 and the camera 2 described above. Further, the control unit 4 has a display control unit 41 and a recording control unit 42. All or part of each part in the control unit 4 may be implemented by hardware, but in the following, it is assumed that the video display device 300 is a smartphone and each part in the control unit 4 is realized by software. .. In this case, each part is realized by activating the specific application, that is, by executing the underwater AR recording program by the processor of the video display device 300.

The display control unit 41 causes the display 1 to display an AR image based on an image obtained by shooting with the camera 2 (underwater image when the wearer is submerged in water). As a specific example, the display control unit 41 may generate an AR image by superimposing an image prepared in advance on the underwater image obtained by shooting with the camera 2. Pre-prepared images can be related to the ocean, such as fish and seaweed.

The recording control unit 42 records the video data corresponding to the AR video displayed on the display 1 in the memory 3. The video data may represent a moving image or a still image. Further, the video data to be recorded may be the AR video itself displayed on the display 1, or may be appropriately compressed, image processed, or the like. The recording control unit 42 may start recording when the display control unit 41 starts displaying the AR image, or may automatically record at regular intervals (without instructions from the wearer). Alternatively, recording may be started in synchronization with some trigger. When recording is started in synchronization with the trigger, for example, there are the following aspects.

FIG. 3 is a block diagram showing a specific first configuration example of the video display device 300. In this example, the recording control unit 42 records video data in response to a predetermined user operation, and the video display device 300 has an operation reception unit 5.

The operation reception unit 5 may be a button provided on the edge portion of the video display device 300, which is a smartphone. Then, the recording control unit 42 records the video data triggered by the wearer pressing the button. The wearer may be configured to press the button directly, or the wearer may press a part different from the image display device 300 of the underwater AR goggles (for example, a part of the casing 500 or the underwater goggles 100). A button provided on the image display device 300 may be indirectly pressed.

Alternatively, the operation reception unit 5 may be a touch panel. Then, the recording control unit 42 records the video data when the wearer touches the touch panel as a trigger. The display control unit 41 may display a predetermined icon on the display 1, and the wearer may touch the icon as a trigger.

Further, the operation reception unit 5 does not have to be a user interface such as a button or a touch panel. For example, an external device (not shown) may be connected to the video display device 300, and the operation reception unit 5 may acquire that an operation has been performed on the external device and use it as a trigger.

The external device may be provided with a button pressed by the wearer. Further, the external device may be a snorkel equipped with a pressure sensor. In this case, the pressure sensor may detect that the wearer has applied a specific pattern of pressure such as biting the mouthpiece three times, and the operation reception unit 5 of the video display device 300 may acquire the detection result and use it as a trigger.

FIG. 4 is a block diagram showing a specific second configuration example of the video display device 300. In this example, the recording control unit 42 records video data in response to a predetermined image being captured by the camera 2, and the control unit 4 in the video display device 300 has an image recognition unit 43. ..

The image recognition unit 43 analyzes an underwater image obtained by, for example, taking a picture of the camera 2, and recognizes a predetermined image. Then, the recording control unit 42 records the video data with the recognition of the predetermined image by the image recognition unit 43 as a trigger. The predetermined image is, for example, a pre-registered wearer's hand or a marker having a specific color or shape. When used as a marker, it is desirable to use blue or purple because short-wavelength colors are easily recognized in water.

FIG. 5 is a block diagram showing a specific third configuration example of the video display device 300. In this example, the recording control unit 42 records video data in response to the detection of sound waves of a predetermined frequency, and the control unit 4 in the video display device 300 has a sound wave detection unit 44.

The sound wave detection unit 44 analyzes the sound waves detected by a sound sensor such as a microphone in the image display device 300, and detects that a predetermined frequency is included. Then, the recording control unit 42 records the video data with the detection of the predetermined frequency by the sound wave detection unit 44 as a trigger. The sound wave of a predetermined frequency may be generated from, for example, a wearable terminal device (not shown) connected to the image display device 300 or a device installed in water. Further, the sound wave having a predetermined frequency may be a voice of a wearer registered in advance. In this case, a snorkel equipped with a sound sensor may be connected to the video display device 300.

FIG. 6 is a block diagram showing a specific fourth configuration example of the video display device 300. In this example, the recording control unit 42 records video data in response to the detection of vibration of a predetermined pattern, the video display device 300 includes a vibration sensor 6, and the control unit 4 in the video display device 300. Has a vibration sensing unit 45.

The vibration sensor 6 detects the vibration given to the image display device 300. The vibration sensing unit 45 detects that the detected vibration is a vibration of a predetermined pattern. Then, the recording control unit 42 records the video data with the vibration detection unit 45 detecting the vibration of a predetermined pattern as a trigger.

In each of the specific examples described above, the recording control unit 42 may record the video data corresponding to the AR video at the time when a certain trigger is detected, or the video data after the trigger is detected and a predetermined time elapses. You may record it. Further, when the recording control unit 42 records video data as a moving image, the recording may be ended after a lapse of a predetermined time from the start of recording, or the recording may be ended in synchronization with some trigger as in the case of starting recording. good. These predetermined times may be fixed values set in advance or may be set by the user. Further, two or more of each specific example may be combined.

Further, when an external device is connected to the video display device 300, it may be a wired connection or a wireless connection. In the case of wireless connection, it may be a connection that facilitates communication underwater, such as a sound wave of a specific frequency or a blinking pattern of light.

As described above, in the present embodiment, the Fresnel lens 200 is provided between the wearer's eyes and the image display device 300. As a result, the wearer can view the image displayed on the display 1 of the image display device 300 in a focused state.

Further, the video display device 300 is provided with a display control unit 41 and a recording control unit 42. This makes it possible not only to display the underwater AR image but also to record it, which improves the enjoyment of the wearer. In addition, underwater AR images can be easily recorded at arbitrary timings by user operation, image detection, sound wave detection, vibration detection, and the like.

The above-described embodiment is described for the purpose of enabling a person having ordinary knowledge in the technical field to which the present invention belongs to carry out the present invention. Various modifications of the above embodiment can be naturally made by those skilled in the art, and the technical idea of the present invention can be applied to other embodiments. Therefore, the present invention is not limited to the described embodiments and should be the broadest scope according to the technical ideas defined by the claims.

100 Underwater goggles 101 Window 200 Frenel lens 300 Video display device 400 Frame 500 Casing 501 Front 502 Top 503 Side 504 Bottom 510 Shooting window 520 Slit 1 Display 2 Camera 3 Memory 4 Control 41 Display control 42 Recording control 43 Image Recognition unit 44 Sound wave detection unit 45 Vibration detection unit 5 Operation reception unit 6 Vibration sensor

Claims (4)

Underwater goggles and
A Fresnel lens provided on the window of the underwater goggles and
An image display device having a display arranged on the opposite side of the underwater goggles via the Fresnel lens.
A casing provided with a slit, which covers the image display device, is provided.
An AR image based on an underwater image obtained by shooting with the camera of the image display device is displayed on the display.
An underwater AR goggles in which the focal position of the AR image is adjusted to the position of the eyes of the wearer of the underwater goggles by the Fresnel lens. The underwater AR goggles according to claim 1, wherein the slits are provided on the upper surface and the lower surface of the casing. When the wearer of the underwater goggles dives into the water, air escapes from the casing through the slit and water flows into the casing through the slit.
The underwater AR goggles according to claim 1 or 2, wherein when the wearer of the underwater goggles goes out onto the water, water escapes from the casing through the slit and air flows into the casing through the slit. The underwater AR goggles according to any one of claims 1 to 3, wherein a photographing window is provided in the casing at a position corresponding to the camera.

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