WO2017109299A1

WO2017109299A1 - Device for aiding vision and assembly comprising such a device

Info

Publication number: WO2017109299A1
Application number: PCT/FR2015/053688
Authority: WO
Inventors: Mathieu BORGÉ; Michel ABITBOL; Dov CHREKY
Original assignee: Borgé Mathieu; Abitbol Michel; Chreky Dov
Priority date: 2015-12-21
Filing date: 2015-12-21
Publication date: 2017-06-29

Abstract

The invention relates to a device (10) for aiding vision, comprising a support (20) and an optical lens (30), the device (10) being able to occupy two distinct positions, a first position, termed the use position, in which the support (20) is able to receive an image projection apparatus, and a second position, termed the rest position, in which the support (20) is configured to protect the lens (30), the support (20) comprising two plates (22, 24), a first plate, termed the central plate (22), and a second plate, termed the side plate (24), connected together by a first joint (26) enabling the folding of said two plates (22, 24) one on top of the other, the lens (30) being connected by a second joint (28) to the central plate (22) in such a way as to be folded between the central plate (22) and side plate (24) in the rest position. The term "image projection apparatus" means an electronic apparatus of the smart mobile phone type; the device (10) of the invention can also operate with a tablet of the mini-tablet type.

Description

A vision aid and an assembly comprising such a device

The invention relates to a device for assisting vision. The invention further relates to an assembly comprising such a device and an image projection apparatus.

It is known to provide loupes plated on personal computer screens, especially to improve the sharpness, clarity, or even give an impression of depth to the user looking at such screens.

Today, users are more likely to watch the screens on their smart mobile phone, especially for viewing video images. Manufacturers therefore offer larger phone screens, or even curved screens, partly in order to improve the viewing comfort of users.

There is indeed a need for users who want to watch images, including video images, on a screen larger than their mobile phone, often too small.

One of the aims of the invention consists in proposing a device making it possible to magnify the images projected by a mobile device, of the smart mobile phone type.

Thus, the invention relates to a device for assisting vision, comprising a support and an optical lens, the device being able to occupy two distinct positions, a first position, said use, in which the support is able to receive an image projection apparatus, and a second so-called rest position, wherein the support is configured to protect the lens.

According to the invention, the support comprises two plates, a first plate, said central plate, and a second plate, said side plate, said two plates being interconnected by a first joint allowing the folding of said two plates one on the other. the other, the lens, also in the form of a plate, being connected by a second articulation to the central plate so as to be folded between the central and lateral plates in the rest position, the device comprising, in addition, a holding tab designed to hold the lens facing the side plate in the use position, said tab being configured to be folded on the side plate in the home position. The device of the invention comprises a simple support, composed of two plates, and a lens behind which can be placed an image projection apparatus, for example a smart mobile phone. The placement of such a device behind this lens allows to enlarge the projected images, especially for a user placed in front of the lens. The support provided for the apparatus consists of an arrangement of two plates hinged together. Thus, the proposed support is simple to use. It is also easy to replicate after use.

The device of the invention therefore makes it possible to magnify the images projected by a nomadic device, of the smart mobile phone type, simply.

This device has the additional advantage of not requiring any external energy input to operate. In particular, this device can magnify the image projected by the phone, without receiving electricity.

According to various embodiments of the invention, which may be taken together or separately:

in the position of use, the central plate and the lateral plate form a fold at the level of said first articulation, said fold and its neighborhood defining a space, called receiving space, intended to receive the image projection apparatus;

said receiving space extends partly on the side plate and / or partly at the level of the first articulation and / or partly on the central plate,

the device of the invention further comprises a non-slip strip configured to limit the sliding of the image projection apparatus out of the reception space,

said non-slip tape covers a part of said first articulation,

said non-slip tape covers the first joint in its entirety,

said slip-resistant strip covers a part of the side plate,

said non-slip tape covers a part of the central plate, the lens is a substantially rectangular plate whose dimension, measured along one of its diagonals, is between 7 and 10 inches. The invention also relates to an assembly comprising a device according to any one of the preceding claims and an image projection apparatus, said assembly allowing the magnification of the images projected by said apparatus for an external user located, on the other side of the device, with respect to the lens of the device.

The invention will be better understood, and other objects, details, features and advantages thereof will become more clearly apparent in the following detailed explanatory description of at least one embodiment of the invention given to As a purely illustrative and non-limiting example, with reference to the attached schematic drawings:

FIG. 1 is an illustration of an exemplary embodiment of a vision aid device according to the invention,

FIG. 2 is a more schematic representation than that of FIG. 1, it illustrates a first embodiment of a non-slip strip according to the invention,

FIG. 3 is the same representation as in FIG. 2 illustrating a second embodiment of a slip-resistant strip according to the invention,

- Figure 4 is the same representation as in Figures 2 and 3 illustrating a third embodiment of a slip-resistant strip according to the invention.

As illustrated in the figures, the invention relates to a device 10 for assisting vision, comprising a support 20 and an optical lens 30.

"Support" is understood to mean a pedestal sufficiently rigid to support a lens 30, in particular a lens 30 serving as a magnifying glass and whose dimensions are close to those of the support 20. The term "optical lens" means a transparent screen used as a magnifying glass, in particular a flat screen, made in the form of a plate. The thickness of said lens 30 will be of the order of one millimeter. This lens 30 will preferably be made of a plastic material, for example polymethyl methacrylate (PMMA).

The device according to the invention is able to occupy two distinct positions, namely a first position, called use, in which the support 20 is able to receive an image projection apparatus 50 and a second position, said rest in which the support 20 is configured to protect the lens 30.

The term "image projection apparatus" means an electronic device of the intelligent mobile phone type. The device 10 of the invention may also work with a tablet, mini tablet type, or with any other mobile device whose function is the projection of images, including videos. According to the invention, the support 20 comprises two plates 22, 24. These two plates 22, 24 are articulated together via a hinge 26, also called first flexible zone 26. This first flexible zone 26 allows the folding / unfolding of said two plates 22 , 24 on each other so as to allow the passage from the use position to that of rest, and vice versa.

By "plate" is meant a plane element, rigid enough not to deform plastically when a force is reasonably applied to it, for example by the hands of a user. The plates 22, 24 here have a thickness of the order of one millimeter.

It should be noted that the support 20, and therefore the central plate 22 and side plate 24, are provided in thermoplastic polymer material of the acrylonitrile butadiene styrene (ABS) and / or polyurethane type. This example of material is not limiting. The support may also be made of fibrous material, for example laminated wood, or even metal, without departing from the scope of the invention.

In the case where the support is made of thermoplastic polymer, the joints 26, 28 are made of the same material as the plates 22, 24, without being stiffened, in particular by the presence of material reinforcement as is the case of the plates 22, 24.

In the case where the support is made of metal, the central plates 22 and side 24 may be hinged together by a mechanical hinge. The term "flexible zone" means a film of unreinforced material but strong enough to be folded without breaking. The flexible zones are provided here, in the same material as the plates 22, 24, with a material thickness of the order of a few tens of micrometers.

The first plate, called central plate 22, is the one that is intended to carry the lens 30. The lens 30 is, in fact, articulated with said central plate 22. To do this, the lens 30 is connected by a second joint, also called said second flexible zone 28, the central plate 22. This second flexible zone 28 allows the device 10 to fold on itself so that the lens 30 is found between the central plate 22 and side plate 24 in the rest position.

It should be noted that the rest position of the device 10 of the invention is not illustrated here. The device 10 in the rest position forms a pouch, flat, multilayer. This pouch has a generally rectangular shape which corresponds to that of the plates 22, 24 forming the support 20. These dimensions will be those of a rectangular parallelepiped of width 120mm, length 190mm, and height 5 to 10mm. These dimensions are given here by way of example and are not limiting.

This multilayer pouch consists of the following stack (this stack forming the height of the rectangular parallelepiped above): the central plate 22, lens 30 and side plate 24. As is particularly visible in Figure 1, the device 10 comprises in addition, a tongue 40 designed to hold the lens 30 vis-à-vis the side plate 24 in the use position. In the rest position, said tongue 40 is folded on the side plate 24.

Maintaining "the lens 30 vis-à-vis the side plate 24", the maintenance of the lens 30 away from the side plate 22, for example at a distance between 100 and 150mm, including a distance of 125mm. The tongue 40 is therefore rigid enough to firmly hold the lens 30 in vertical position with respect to the central plate 22. Thus, in position in use, the lens 30 is kept parallel to the side plate 24. This tongue 40 is provided in the same material as the plates 22, 24.

This tongue 40 also has a hooking means 42 with the lens

30.

This is particularly advantageous for keeping the screen of the apparatus 50 parallel to the lens 30. Indeed, the back of the apparatus 50 is intended to bear on the side plate 24, which is held parallel to the lens 30 Thus, the screen which is on the opposite side to the back of the device 50, is straight, parallel to the lens 30. The lens 30 can then effectively magnify the image projected by said screen.

FIG. 2 illustrates a reception space E intended for the image projection apparatus 50. This space E is here formed in the vicinity of the first flexible zone 26, between the central plate 22 and the lateral plate 24. This space is a theoretical construction, it can vary depending on the devices used.

FIG. 2 illustrates, in addition, a first embodiment of a non-slip strip for a said apparatus 50.

This slip-resistant strip is advantageously designed to limit the slipping of the apparatus 50, whatever its size, outside the receiving space E. Indeed, the device 10 of the invention is intended for nomadic use. For example, the device of the invention is particularly suitable for use in transport (car, train, plane). In the event of turbulence, it is particularly advantageous for the apparatus 50 to be kept inside the chamber of the device 10, in particular to prevent any deterioration in the event of the fall of said apparatus 50.

The term "non-slip strip" means a strip of material attached to the surface of the support 20. This strip may be made of elastomeric material, for example rubber, or any other plastic having a surface state whose roughness is palpable at to touch. This non-slip strip can be glued to the surface of the support 20.

This band may also be obtained by scribing / heating the surface of the support 20, such a scratching / heating of the surface of the support 20 resulting in the creation of degraded areas with roughness touchable touch. These local deformations are locally rough areas that can serve as anti-slip strips. Several embodiments are provided here. These embodiments are not limiting and they can be combined to obtain other advantageous results, this without departing from the scope of the invention.

According to the first embodiment, illustrated in Figure 2, the non-slip strip B1 covers the first joint 26, or first flexible zone 26, in its entirety. It is glued on either side of the first flexible zone 26. It is partly glued on the central plate 22 and partly glued on the lateral plate 24.

According to a second embodiment, illustrated in FIG. 3, the non-slip strip B2, B2 'covers part of the side plate 24 and part of the central plate 22, in particular parts intended to come into contact with the back and the back. slice of the apparatus 50 (for reasons of readability the apparatus is not shown in this figure). The anti-slip function of this band B2, B2 'can also be filled by one or other of the two parts B2 or B2' of this band, although the efficiency will be diminished. According to a third embodiment, illustrated in FIG. 3, the non-slip strip B3 covers only a portion of said first hinge 26, or first flexible zone 26. This embodiment is particularly indicated in the context of small devices 50. . It should be noted that the lens 30 is a substantially rectangular plate whose dimension, measured along one of its diagonals, is between 7 and 10 inches. This dimension will be, for example, of the order of 8.3 inches.

The invention also relates to an assembly comprising a device 10 as described above and an image projection apparatus 50, said assembly allowing the magnification of the images projected by said apparatus 50 for an external user located on the other side. of the apparatus, with respect to the lens 30 of the device. For example, the magnification observed between the image projected by the camera 50 and the image perceived by the user of the order side of the lens 30 is magnified 2 to 4 times. It should be noted that a foot 60 may be provided under the support 20. This foot 60 has the function of tilting the device of the invention 10, in particular for increased comfort of use.

It should also be noted that variant embodiments are of course possible. In particular, it is also possible, in additional exemplary embodiments, for the function of limiting the movement of the apparatus to be achieved by stops provided along the first articulation 26, for example two stops, one on each side of the apparatus.

Claims

claims

A device (10) for assisting vision, comprising a support (20) and an optical lens (30), the device (10) being able to occupy two distinct positions, a first position, said use, in which the support (20) is adapted to receive an image projection apparatus (50), and a second position, said rest position, in which the support (20) is configured to protect the lens (30), said device (10) characterized in that the support (20) comprises two plates (22, 24), a first plate, said central plate (22), and a second plate, said side plate (24), said two plates (22, 24). ) being connected to each other by a first articulation (26) allowing said two plates (22, 24) to fold one on the other, the lens (30), also made in the form of a plate, being connected by a second articulation (28) with the central plate (22) so as to be folded between the central plates (22) and lat in the rest position, the device (10) further comprising a retaining tab (40) adapted to hold the lens (30) facing the side plate (24). position of use, said tongue (40) being configured to be folded on the side plate (24) in the rest position.

Device (10) according to the preceding claim, wherein, when the device (10) is in the position of use, the central plate (22) and the lateral plate (24) form a fold at the level of said first articulation (26) , said fold and its neighborhood defining a space, said receiving space (E), for receiving the image projection apparatus (50).

Device (10) according to the preceding claim, wherein said receiving space (E) extends partly on the side plate (24) and / or partly at the level of the first articulation (26) and / or partly on the central plate (22).

4. Device (10) according to any one of claims 2 or 3, further comprising a non-slip strip (B1, B2, Β2 ', B3) configured to limit the sliding the image projection apparatus (50) out of the receiving space (E).

5. Device (10) according to the preceding claim, wherein said non-slip strip (B3) covers a portion of said first joint (26).

6. Device (10) according to claim 4, wherein said non-slip strip (B1) covers the first joint (26) in its entirety.

7. Device (10) according to any one of claims 4 to 6, wherein said non-slip strip (B2) covers a portion of the side plate (24).

8. Device (10) according to any one of claims 4 to 7, wherein said non-slip strip (Β2 ') covers a portion of the central plate (22).

9. Device (10) according to any one of the preceding claims, wherein the lens (30) is a substantially rectangular plate whose dimension, measured along one of its diagonals, is between 7 and 10 inches.

An assembly comprising a device (10) according to any one of the preceding claims and an image projection apparatus (50), said assembly for magnifying the images projected by said apparatus (50) for an external user located, the other side of the apparatus (50), relative to the lens (30) of the device (10).