FR3059642A1 - DIVE MASK WITH DISPLAY. - Google Patents

Abstract

The invention relates to a device (100) for displaying a submarine diving mask (122) fitted to a plunger, said device (100) comprising a first electronic display (102), characterized in that it comprises a second display (104) disposed downstream of said first display (102), and arranged to receive a luminous flux (120) emitted by said first display (102), and to reflect at least a portion of said luminous flux (120) towards the eyes (106) said plunger; and in that said second display (104) is at least partially transparent. The invention also relates to a diving mask equipped with such a device (100).

Description

059 642

61776 ® FRENCH REPUBLIC

NATIONAL INSTITUTE OF INDUSTRIAL PROPERTY © Publication number:

(to be used only for reproduction orders)

©) National registration number

COURBEVOIE © Int Cl ⁸ : B 63 C 11/12 (2017.01)

PATENT INVENTION APPLICATION

A1

©) Date of filing: 01.12.16. (© Applicant (s): CIRSEA Simplified joint-stock company (© Priority: - FR. @ Inventor (s): BRENON EMMANUEL and LARCHE- VEQUE BORIS. (43) Date of public availability of the request: 08.06.18 Bulletin 18/23. ©) List of documents cited in the report preliminary research: Refer to end of present booklet (© References to other national documents ©) Holder (s): CIRSEA Simplified joint-stock company. related: ©) Extension request (s): Polynesia-Fr © Agent (s): PONTET ALLANO & ASSOCIES.

($ 4) DIVING MASK WITH DISPLAY.

FR 3 059 642 - A1 _ The invention relates to a display device (100) provided for a scuba diving mask (122) fitted to a diver, said device (100) comprising a first electronic display (102), characterized in that it comprises a second display (104) disposed downstream of said first display (102), and arranged to receive a light flux (120) emitted by said first display (102), and to reflect at least part of said light flux (120) towards the eyes (106) of said plunger;

and in that said second display (104) is at least partially transparent.

The invention also relates to a diving mask equipped with such a device (100).

100

124

102

118 116 114

-1 "Display device for a diving mask"

The invention relates to a display device for a diving mask and a diving mask comprising such a device.

The field of the invention is the field of scuba diving equipment, in particular, the field of the display of information relating to safety and / or assistance in raising the surface of a diver.

STATE OF THE ART

Devices for displaying diving information relating to the speed, depth and / or surrounding pressure of a diver equipped with such devices are known. These devices include display screens arranged in the diver's field of vision and a few centimeters from the diver's eye. The focusing effort necessary for the diver to view the information is significant and tires the eyes of the diver. These devices are therefore not very ergonomic and unsuitable, in particular in the case of vision problems for the diver. In addition, these devices have large dimensions to allow the display of multiple information and are therefore bulky. Finally, these devices obscure part of the diver's field of vision and mask part of the scene located in the background of the device fitted to the diver.

An object of the present invention is to remedy these drawbacks.

Another object of the present is to propose a device for displaying diving information which degrades the diver's field of vision less.

Another object of the present is to provide a more ergonomic diving information display device.

Another object of the present is to provide a less bulky dive information display device.

-2 STATEMENT OF THE INVENTION

The invention therefore provides a display device provided for a scuba diving mask fitted to a diver, said device comprising a first electronic display, characterized in that it comprises a second display disposed downstream of said first display, and arranged to receive a light flux emitted by said first display, and reflect at least a portion of said light flux towards the eyes of said diver.

According to an advantageous characteristic, the second display can be at least partially transparent.

Thus, with the system according to the invention, the second display can be arranged between the eye of the diver and the first display. The second display transmits part of the light flux, received from the first display, towards the eyes of said diver. In addition, the second display, being at least partly transparent, allows the display of information without masking part of the scene located behind said second display. The device according to the invention therefore does not obstruct the field of vision of the diver, or less degrades the field of vision available to the diver, compared to the devices of the prior art.

In particular, the first display can be an LCD, OLED screen or even a video projector.

Furthermore, the second display can be arranged orientable, in particular, rotatable to direct the light flux in a predefined direction. The rotation of the second display can be adjusted by the plunger or automatically.

In one embodiment, the second display can be an optical beam splitter. The optical beam splitter can be of the transparent beamsplitter type, a blade, a cube, a holographic optical element or even a free-form prism.

Advantageously, the second display can have a transmission / reflection factor of between 80/20 and 20/80.

According to an advantageous characteristic, the device according to the invention can comprise at least one mirror arranged between the first display and the second display, provided for modifying the direction of the light flux by an angle between 60 ° and 120 °, in particular equal at 90 °.

The modification of the direction of the light flux makes it possible to reduce the dimensions, and in particular the volume, of the device according to the invention.

In one embodiment, the device according to the invention may comprise a third display, in particular electronic, arranged downstream of the first display and designed to emit a light flux similar to the light flux from the first display towards the eyes of another diver. near the diver equipped with the device according to the invention.

Preferably, the third display can be an electronic display, for example an LCD or OLED screen.

According to an advantageous characteristic, the device according to the invention may comprise a third display arranged between the first display and the second display, designed to receive a light flux emitted by said first display, and to reflect at least part of said light flux towards the second display. The third display can be partly transparent and designed to transmit, in a first direction, a first part of the light flux emitted by the first display towards the eyes of a diver near the diver equipped with the device according to the invention, and reflect a second part towards the second display in a second direction.

Advantageously, the third can be a separator of optical beams of the transparent beamsplitter type, a blade, a cube, a holographic optical element or even a free-form prism.

According to an advantageous characteristic, the device according to the invention can comprise at least one convex lens arranged between the first display and the second display, said convex lens having a focal length such that the image is perceived as displayed at a distance of between 0.5 m and 2 m.

The convex lens allows the display of information at a distance of visual comfort for the diver. The device according to the invention is thus more ergonomic because it requires less focusing effort on the part of the plunger, compared to the devices of the prior art.

In one embodiment, the device according to the invention may comprise at least one concave lens arranged between the first display and the second display.

The concave lens makes it possible to reduce the size of the display provided by the first display. It therefore makes it possible to weight the magnification of the display by the convex lens and makes it possible to see the entire image of the first display on the second display, using a convex lens of reduced diameter and a second display of reduced size also. The concave lens makes it possible to produce a device according to the invention that is less bulky.

In an embodiment of the device according to the invention, the first display, the at least one concave lens, the at least one convex lens and the second display can be aligned in this order.

In a preferred embodiment of the system according to the invention, the first display, the at least one concave lens and the mirror can be aligned in a first direction, and the at least one convex lens, the second display and the mirror are aligned in a second direction, said first and second directions forming an angle between 60 ° and 120 °, in particular equal to 90 °.

In one embodiment, the device according to the invention may comprise means for supplying the first display.

Advantageously, the device according to the invention can comprise a sensor device comprising:

-at least one depth sensor,

-at least one accelerometer,

-at least a three-axis magnetometer,

at least one means of measuring the external light intensity, at least one pressure gauge, and / or

at least one means of communication with an external device equipping the diver.

In one embodiment, the device according to the invention may comprise a processing module, connected to the first display and to the sensor device, provided for determining at least one piece of data, called diving data, as a function of the data returned by the sensor device and transmit it to the first display.

Preferably, the dive data can relate to a diver's equipment and / or to the diver's environment.

The dive data can be the depth at which the diver is located, his speed, pressure and / or temperature. The dive data can also be a safety warning if the speed and safety depth of the diver are not respected.

Advantageously, the processing module can be arranged to modify a display characteristic of at least one piece of data as a function of at least one parameter relating to the position and / or the speed of movement, in particular of ascent, of the plunger. and / or surrounding pressure.

In particular, the display characteristic can be a display size, a display color, a display position, a display form and / or a display duration of a data item.

For example, when ascending to the surface of the diver, the diver's speed is displayed in characters with a first display size if the speed is less than 2 meters / minute. Conversely, if the speed is greater than 2 meters / minute and less than 15 meters / minute the speed of the

-6plunger is displayed in characters with a second display size greater than the first display size. Above a diver speed greater than 15 meters / minute, the speed is displayed on three quarters of the first display in red color.

Furthermore, the device according to the invention may comprise a sound signaling means in the event of dangerous behavior of the diver, in particular, if the speed and the safety depth of the diver are not respected.

Preferably, the device according to the invention can comprise at least one means for adjusting the contrast between the light flux and the visual scene.

Thus, the display is adjusted to remain visible without difficulty by the diver.

In one embodiment, the contrast adjustment means can be a solar filter, with fixed or variable value, arranged on the second display.

Advantageously, the means for adjusting the contrast can be a means for adjusting the light intensity of the first display as a function of the surrounding brightness measured by the sensor device.

For example, the contrast between the light flux and the visual scene can be adjusted by adjusting the light intensity of the first display, such as the intensity of the backlight or lighting.

In addition, the means for adjusting the contrast between the light flux and the visual scene can adjust the display colors of the first display as a function of the surrounding brightness measured by the sensor device.

In one embodiment, the device according to the invention may comprise at least one fixing means provided for fixing the device according to the invention on a diving mask, or on the head of a diver, in a removable manner.

The at least one fixing means can be a means of attachment by adhesion of the scratch type, or by clips, or by a strap, elastic or not, coming to wrap around a strap of a mask, or another tab provided to accommodate a strap for the mask.

Advantageously, the device according to the invention can comprise at least one fixing means provided for fixing the device according to the invention on the head of the plunger in a removable manner.

For example, the at least one fixing means can be a strap, a fixing band, a headband, etc.

Advantageously, the device according to the invention can be integrated into a diving mask.

In one embodiment, the device according to the invention can be integrated into a helmet provided for a diver.

According to another aspect of the invention, there is provided a diving mask equipped with a display device according to the invention.

DESCRIPTION OF THE FIGURES AND EMBODIMENTS

Other advantages and characteristics will appear on examining the detailed description of nonlimiting examples, and the appended drawings in which:

- FIGURE 1 is a schematic representation of a first example of the device according to the invention;

FIGURE 2 is a schematic representation of a second example of the device according to the invention,

FIGURE 3 is a schematic representation of a third example of the device according to the invention, and

- FIGURE 4 is a schematic representation of a fourth example of the device according to the invention.

-8II it is understood that the embodiments which will be described below are in no way limiting. It is possible in particular to imagine variants of the invention comprising only a selection of characteristics described hereinafter isolated from the other characteristics described, if this selection of characteristics is sufficient to confer a technical advantage or to differentiate the invention from the state of the prior art. This selection includes at least one characteristic, preferably functional, without structural detail, or with only part of the structural details if this part only is sufficient to confer a technical advantage or to differentiate the invention from the state of the prior art.

In particular, all the variants and all the embodiments described can be combined with one another if there is nothing technically opposed to this combination.

In the figures, the elements common to several figures keep the same reference.

FIGURE 1 is a schematic representation of a first example of the device according to the invention.

The device 100 of FIGURE 1 comprises a first display type of screen 102 LCD for emitting a luminous flux 120 displaying information relating to the speed, the depth and / or the surrounding pressure of a diver equipped with a diving mask 122 and of device 100.

The device 100 also includes a second semi-transparent beamsplitter type display 104. The second display 104 is arranged to receive the light flux and arranged to rotate. The second display 104 makes it possible to reflect at least part of the light flux 120 received from the screen in the direction of the eyes 106 of the diver. The rotation of the second display 104 makes it possible to direct the reflected part of the light flux 120.

The device 100 further comprises a concave lens 108 and a convex lens 110. The concave lens 108 is aligned downstream of the screen 102, while the lens 110 is aligned upstream of the second display 104. In addition, a mirror 112 is arranged between the lenses 108 and 110 to modify the direction of the light flux 120 by an angle of 90 °.

Furthermore, the device 100 comprises a processing module 114 for transmitting data to be displayed on the screen 102. The processing module 114 is connected to a sensor device 116 comprising a depth sensor, a pressure sensor and a sensor of light for example. The processing module 114 can adjust the intensity of the light flux to increase or decrease the contrast of the display with respect to the surrounding scene as a function of the brightness measured by the sensor device 116.

The device 100 also includes a battery 118 for supplying the sensor device 116, the processing module 114 and the screen 102.

The device 100 comprises fixing means 124 for attaching the device 100 to the diving mask 122. The fixing means can be of the scratch type, or clips. Alternatively, the fixing means can be straps which wind around a branch of the mask 122.

FIGURE 2 is a schematic representation of a second example of the device according to the invention.

The device 200 comprises the same elements as the device 100 of FIGURE 1. Unlike the device 100, the device does not include the mirror 112. In addition, the screen 102, the concave lens 108, the convex lens 110 and second display 104 are aligned. In particular, the direction of the optical flow 120 emitted by the screen 102 is not changed in the device 200.

FIGURE 3 is a schematic representation of a third example of the device according to the invention.

The device 300 comprises the same elements as the device 100 of FIGURE 1. In addition to these elements, the device 300 comprises a screen 302 arranged downstream of the mirror 112.

The screen 302 emits a luminous flux 304, identical to the luminous flux 120, in the direction of the eyes 306 of a diver being near the diver equipped with the device 300.

In addition, the screen 302 is connected to the processing module 114 and the battery

118.

FIGURE 4 is a schematic representation of a fourth example of the device according to the invention.

The device 400 comprises the same elements as the device 100 of FIGURE 1. Unlike, the device 400 comprises an optical beam splitter 402 in place of the mirror 112 of the device 100.

The optical beam splitter 402 shares the optical flux 120 in the direction of the second display 104 and in the direction of the eyes 306 of a diver near the diver equipped with the device 400.

Of course, the invention is not limited to the examples which have just been described and numerous modifications can be made to these examples without departing from the scope of the invention.

Claims (14)

1. Display device (100; 200; 300; 400) provided for a scuba diving mask (122) fitted to a diver, said device (100; 200) comprising a first electronic display (102), characterized in that that it comprises a second display (104) disposed downstream of said first display (102), and arranged to receive a light flux (120) emitted by said first display (102), and to reflect at least part of said light flux (120 ) towards the eyes (106) of said plunger; and in that said second display (104) is at least partially transparent. 2. Device (100; 200; 300; 400) according to the preceding claim, characterized in that the second display (104) is an optical beam splitter. 3. Device (100; 200; 300; 400) according to any one of the preceding claims, characterized in that the second display (104) has a transmission / reflection factor between 80/20 and 20/80. 4. Device (100; 200; 300; 400) according to any one of the preceding claims, characterized in that it comprises at least one convex lens (110) arranged between the first display (102) and the second display (104 ), said convex lens (110) having a focal length such that the image is perceived as displayed at a distance of between 0.5 m and 2 m. 5. Device (100; 200; 300; 400) according to any one of the preceding claims, characterized in that it comprises at least one concave lens (108) arranged between the first display (102) and the second display (104 ). 6. Device (200; 300; 400) according to any one of claims 4 and 5, characterized in that the first display (102), the at least one concave lens (108), the at least one convex lens (110) and the second display are aligned in this order. 7. Device (100; 300) according to any one of the preceding claims, characterized in that it comprises at least one mirror (112) arranged between the -12first display (102) and the second display (104), intended to modify the direction of the light flux (120) by an angle between 60 ° and 120 °, in particular equal to 90 °. 8. Device (100; 300) according to claims 4, 5 and 7, characterized in that the first display (102), the at least one concave lens (108) and the mirror (112) are aligned in a first direction , and the at least one convex lens (110), the second display (104) and the mirror (112) are aligned in a second direction, said first and second directions forming an angle between 60 ° and 120 °, in particular equal to 90 °. 9. Device (100; 200; 300; 400) according to any one of the preceding claims, characterized in that it comprises a sensor device (116) comprising: -at least one depth sensor, -at least one accelerometer, -at least a three-axis magnetometer, at least one means of measuring the external light intensity, at least one pressure gauge, and / or at least one means of communication with an external device equipping the diver. 10. Device (100; 200; 300; 400) according to the preceding claim, characterized in that it comprises a processing module (114), connected to the first display (102) and to the sensor device (116), provided for determining at least one piece of data, called diving data, as a function of the data returned by the sensor device (116) and transmit it to the first display (102). 11. Device (300; 400) according to any one of the preceding claims, characterized in that it comprises a third display (302; 402) arranged between the first (102) and the second display (104), provided for transmitting , or transmit, the luminous flux (302; 120) towards the eyes (306) of a diver near the diver equipped with the device (300; 400) according to any one of the preceding claims. -1312. Device (100; 200; 300; 400) according to any one of the preceding claims, characterized in that it comprises at least one means for adjusting the contrast between the light flux (120) and the visual scene 13. Device (100; 200; 300; 400) according to any one of the preceding claims, characterized in that it comprises at least one fixing means (124) provided for fixing said device (100; 200) on a mask (122) diving, or on the head of a diver, removably. 14. Device according to any one of claims 1 to 12, characterized in that it is integrated in a diving mask. 15. Diving mask (122) characterized in that it comprises a device 15 (100; 200; 300; 400) according to any one of claims 1 to 13. 1/3