WO2006000707A1

WO2006000707A1 - Portable screen for viewing images comprising a handle and means for magnifying images enabling magnified viewing of the stage of a show

Info

Publication number: WO2006000707A1
Application number: PCT/FR2005/001428
Authority: WO
Inventors: Emmanuel Ponte; Fabrice Ponte
Original assignee: Emmanuel Ponte; Fabrice Ponte
Priority date: 2004-06-09
Filing date: 2005-06-09
Publication date: 2006-01-05
Also published as: FR2871584A1; FR2871584B1

Abstract

The invention relates to a magnifying screen comprising capture means (2) and means for magnifying images (3). The capture means (2) are prevented in the form of at least one u-shaped handle (4) and the magnifying means (3) are provided in the form of at least one optical plate (5,6) enabling viewing of the stage of a show.

Description

PORTABLE IMAGE DISPLAY SCREEN COMPRISING A MAGNET AND IMAGE ENLARGING MEANS FOR ENHANCED VISUALIZATION OF A PERFORMING SCENE

The present invention relates to a portable display screen 5 images.

It is known, according to the prior art, to use binoculars to enlarge a distant image, especially during public events, for example at the opera or theater. These devices are relatively complex to manufacture and can be easily damaged.

It is also difficult to obtain a pair of binoculars produced at low costs.

In addition, these devices make it possible to obtain a reduced visual field, are relatively uncomfortable with respect to the visual field since they cause discomfort in contact with the eyes, and more particularly for eyeglass wearers.

Devices according to the prior art are also unwieldy because their development is done by often complex adjustment means and resulting in a relatively long focusing time. Moreover, the existing devices are relatively heavy and can not be easily transported daily. Indeed, it is necessary to think to take these devices because their size is too important to be transported daily, for example in a handbag.

In addition, the devices according to the prior art are also expensive to repair.

It is also difficult to customize existing devices.

The present invention proposes to solve these problems using an easily portable magnification screen, allowing the viewing of an enlarged image of a show scene, for example, while obtaining a panoramic view, with a possibility of manual scanning, without causing any discomfort to the eyes.

The present invention is also easily customizable while not resulting in higher manufacturing costs.

Thus, the present invention relates to a portable image enlargement screen comprising gripping means and image enlarging means, the gripping means being in the form of a handle and the means of enlargement under the shape of at least one optical effect plate.

To allow storage in a reduced space of the screen according to the invention, the enlarging means are separable from the gripping means and said at least one optical effect plate is rollable around or in the gripping means. Alternatively or additionally, said at least one optical effect plate is foldable.

Advantageously, the magnification means are made to act as a mirror without complexion and the screen has means of ornamentation.

Alternatively, the magnification means are in the form of at least two parallel optical plates: a fixed optical plate and a movable optical plate.

In order to allow a better understanding, the present invention is now described with the aid of examples which are only illustrative and in no way limit the scope of the invention, and from the attached illustrations in which: FIG. side view of a first embodiment of the enlargement screen according to the invention; - Figure 2 shows a side view of a second embodiment of the screen according to the invention; - Figure 3 shows a sectional view of a third embodiment of the screen according to the invention; FIG. 4 represents a sectional view of a fourth embodiment of the screen according to the invention; FIGS. 5 to 7 show schematic top views of the illumination means provided on the enlargement screen according to the invention; the invention; FIG. 8 is a schematic top view of a fifth embodiment of the screen according to the invention; FIGS. 9 and 10 are respectively views from above and in perspective of a sixth alternative embodiment of the screen according to the invention, and FIGS. 11 and 12 are respectively lateral and frontal views of a seventh embodiment of the screen according to the invention.

Figure 1 shows a side view of the enlargement screen 1 according to the invention.

The enlargement screen 1 consists of gripping means 2 and magnification means 3, the gripping means 2 being advantageously in the form of a handle 4 and are advantageously connected to the enlarging means 3 by means of binding means of known type per se.

The enlarging means 3 can also be fixed directly immovably to the gripping means 2.

Alternatively, any possible form of the gripping means 2 may be envisaged, for example a bent handle, two parallel handles for a two-handed grip, etc.

Advantageously, the magnification means 3 are in the form of a plate 5 made of an optically treated transparent material making it possible to obtain a plate 5 having an optical effect, for example a magnifying glass effect.

Thus, the plate 5 is made of glass, glass-based or based on a plastic product such as acrylate, methacrylate or polycarbonate. The plate 5 is shaped, seen from the front, as a rectangle, it being understood that the plate 5 can be made in any appropriate form, in particular circular, triangular, quadrangular, pentagonal, hexagonal, and so on.

It is thus possible, using the screen according to the invention, and more particularly the plate 5, to obtain an enlargement of an object placed at a distance of several meters, advantageously to a few tens of hours. meters and even more advantageous to a hundred meters.

Alternatively, the screen according to the invention 1 allows the enlargement of an image located a few centimeters or millimeters from the plate 5, in particular to allow the enlargement of a page of a newspaper, book or magazine, for example.

The handle 4 can be made of a precious material, for example gold, and comprises decoration means and ornaments of any type.

The handle 4 and / or at least one of the surfaces of the plate 5 may also include lacquers or encrustations of precious and / or semi-precious stones, for example diamonds.

In order not to reduce the field of view obtained by means of the plate 5, the inlays provided on the plate 5, of a type known per se, are advantageously provided at the edge of the plate 5.

It is understood that the handle 4 can be made in any type of material, for example wood: pine, oak, beech, birch, ebony, plane tree, etc. Alternatively or additionally, the handle 4 is made partially or totally from minerals or a metal, precious or not.

The handle 4 and / or the plate 5 according to the invention may thus contain fragments of aquamarine, alabandine, amethyst, beryl, chalcedony, chrysolite, chrysoprase, corundum, diamond, emerald, carbuncle, girasol, garnet, hematite, hyacinth, jargon, lapis lazuli, opal, ultramarine, peridot, ruby, sanguine, sapphire, spinel, topaz, tourmaline, turquoise and zircon.

The handle 4 according to the invention can likewise be made from aluminum, silver, bronze, chromium, copper, tin, iron, mercury, nickel, platinum or zinc.

Alternatively, the screen according to the invention, and more particularly the handle 4, is made of plastic materials at reduced costs to allow the greatest number of people to access the invention.

Alternatively or additionally, the plate 5 is foldable thus reducing the size of the device according to the invention when the plate 5 is folded.

Alternatively, the screen 1 is removable and can be disengaged from the handle 4.

In this case, the handle 4 comprises a slot on one of its ends in which the plate 5 can be inserted and maintained. The plate 5 can also be made of a material allowing the plate 5 to be wound around the handle 4 or, alternatively, inside the handle 4.

Thus, advantageously, the plate 5 is made of a flexible plastic material capable of being rolled.

It is understood that the optical plate 4 and rollable can be indifferently attached or not on the handle 4.

It is possible to provide storage pockets for storing the handle 4 and the plate 5.

The storage pockets may be in the form of a cylindrical element for storing the handle 4 with the screen 1 wrapped around.

It can also be provided storage pockets in the form of a small suitcase easily transportable.

In addition, the storage pouches are coated with fur, for example mink, thereby giving added value to the device according to the invention.

However, any type of coating can be provided to coat the storage pockets.

The storage pouch can also be made of a plastic material to reduce production costs. The handle 4 may also be provided with telescopic means of known type allowing the handle 4 to be in a storage position in the form of a roller and in a stretching position in the form of a longitudinal tube .

Thus, the handle 4 and 5 folded plate assembly takes up less space and is easily transportable, even in small bags.

The focus of the enlargement of the screen according to the invention 1 is by spacing or approximation by the user of the distance between the plate 5 and his eyes.

Thus, by spreading more or less the screen, the user gets a greater or lesser magnification.

Advantageously, the plate 5 is optically treated so that it can obtain an enlargement while not reducing the visual field of the user.

Thus, the screen according to the invention is particularly advantageous during scenic representations, the user can view the scene in its entirety and in an enlarged manner.

However, it is understood that the screen according to the invention can be used to enlarge any object placed at a distance, the development of this enlargement is always done by spacing the distance between the optical plate 5 and the eyes of the user. The screen according to the invention 1 also makes it possible to magnify images by a magnifying effect, the focus of the sharpness of the enlarged image being made by spacing or shortening the distance between the optically treated plate 5 and the eyes of his user.

In addition, the optical plate 5 is treated in such a way that one of its faces is reflective, that is to say has the function of being a mirror, as long as its other face receives less incident light.

The optical plate 5 is thus treated so as to act as a mirror without complexion of a type known per se.

In addition, the handle 4 may have a valve to allow the storage of a scope of view inside or any other element to be stored and can be inserted inside the handle 4, for example the optical plate curled or folded.

FIG. 2 represents a side view of a second embodiment of the screen according to the invention 1.

According to this embodiment, the magnification means 3 are in the form of a pair of optical plates (6, 7).

More specifically, the screen 1 according to the invention comprises: - a fixed plate 5 directly connected to the gripping means 2 by connecting means of a type known per se, and - a movable plate 6 connected to the fixed plate 5 by means of means of displacement in translation 7. The fixed plate 5 and the movable plate 6 are arranged opposite each other.

Advantageously, the fixed plate 5 and the movable plate 6 are both optically treated and are transparent.

The plates (5, 6) are made in such a way that they cause an optical effect on the image seen through them.

More specifically, the fixed plate 5 and the movable plate 6 are made of glass, glass-based or based on a plastic product such as acrylate, methacrylate or polycarbonate.

The translational displacement means 7 are made in such a way that the fixed and mobile plates 6 are constantly parallel to one another.

More specifically, the translational displacement means 7 are in the form of a set of rods 8.

FIG. 2 shows only a pair of rods 8 connecting one side of the fixed plate 5 with the corresponding side of the movable plate 6, it being understood that the plates (6, 7) are interconnected by at least two connecting rods 8, advantageously by two pairs of two rods 8, connecting two opposite sides of the fixed plate 5 with two corresponding opposite sides of the movable plate 6.

It is understood that the plates (5, 6) can be connected to each other by any appropriate means of articulation and by any possible number of connecting rods 8. Advantageously, the fixed plate 5 and the movable plate 6 are shaped identically.

The fixed plate 5 and the movable plate 6 may be optically identical or different, that is to say have identical or different diopters.

The fixed plate 5 comprises locking means 9 of the displacement means 7 at its point of connection with the end of the connecting rod 8.

More specifically, the locking means 9 are in the form of a wing nut 10.

Thus, to allow adjustment of the enlargement of the image seen through the plates (5, 6), the user must first unscrew the wing nuts 10, then move the movable plate 6 and allow a greater or lesser spacing between the two parallel plates (5, 6).

Once the appropriate optical adjustment obtained, the user only has to screw the wing nuts 10 to lock the rods 8 and thus block the translational movement of the movable plate 6 relative to the fixed plate 5 .

Alternatively or additionally, locking means 9 are also located at the connection points of the rods 8 with the movable plate 6. Figure 3 shows a sectional view of a third possible embodiment of the screen according to the invention.

According to FIG. 3, the handle 4 has an internal cavity 1 1 in which displacement means 12 of the movable plate 6 are arranged, more precisely a longitudinal screw 12 of axis XX on which a nut 13 connected is able to move. by fixed connection means 14 to the movable plate 6.

More specifically, the fixed connection means 14 to the movable plate 6 are in the form of a rod, of a type known per se, connecting the nut 13 to the lower central edge of the movable plate 6.

In this way, the displacement of the nut 13 on the screw 12 causes the movable plate 6 to move relative to the fixed plate 5 in a translational movement, it being understood that, according to this embodiment, the difference between the fixed and mobile plates 6 remains fixed and that the development of the enlargement is done by translating the plates (5, 6) relative to each other.

Thus, the rods 8 according to FIG. 3 are extensible or telescopic rods 8 and make it possible to maintain a fixed distance between the fixed plate 5 and the movable plate 6.

It is understood that it is also possible to make the enlargement screen according to FIG. 3 without the presence of connecting rods 8.

Alternatively or additionally, it can be provided means of displacement of known type of the movable plate on the rod 14 allowing in this way a spacing of the distance between the fixed plate 5 and the movable plate 6.

It can thus be provided an orifice of known type in the central lower edge of the movable plate 6 and slidable in the rod 14 thereby allowing a distance between the fixed plate 5 and the movable plate 6.

Thus, by adjusting this spacing, it is possible to adjust the desired enlargement of the distant image and / or to refine the sharpness obtained.

A knob 15 is provided at the end of the handle 4.

The wheel 15 is adapted to be rotated about the longitudinal axis X-X, and to drive in rotation about its own longitudinal axis X-X the screw 12.

The wheel 15 and the screw 12 are associated so that a rotation of the wheel 15 about the axis XX causes a rotation of the screw 12 about the axis XX, which has the effect of causing the displacement the nut 13 on the screw and consequently the vertical displacement of the movable plate 6.

The handle 4 has a recess 16 allowing the vertical displacement of the fixed connection means 14 between a lower limit position 16a and an upper limit position 16b.

Figure 4 shows a sectional view of a fourth embodiment of the screen according to the invention. According to FIG. 4, the fixed connection means 14 between the nut 13 and the movable plate 6 are in the form of a rod 17 having at least one threaded portion 17a on which is able to engage means for nut type lock 18.

A connecting plate or rod 19 in the form of an inverted L in sectional view connects the rod 17 to the movable plate 6.

Advantageously, the connecting plate 19 has an orifice capable of sliding on the rod 17.

The operating principle of the device according to FIG. 4 is the same as that of FIG.

It is thus possible to obtain a displacement of the connecting plate 19 on the rod 17 allowing a distance of the distance between the fixed plate 5 and the movable plate 6.

It is also conceivable to provide, in place of a knob 15, a free screw system 12, the user having to, in this case, exert an upward or downward pulling force on the nut 13 or on any other element in direct or indirect connection with the nut 13 to obtain the vertical displacement of the movable plate 6.

The screen according to the invention may also include several parallel optical plates, for example three optical plates, so as to obtain a better magnification. The screen according to the invention is advantageously or alternatively used during events at the opera or in theaters and is ideally made from luxury materials.

In addition, the screen according to the invention has personalization means allowing users to embed or glue ornamentation means on the handle 4 or the optical plate (5, 6).

It can thus be expected to sell the screen according to the invention with a decoration kit.

Advantageously, the screen according to the invention also performs the function of fan and / or mirror.

In addition, illumination means may be provided on the handle 4 or the plate 5 allowing the user to use the device according to the invention as a flashlight.

The illumination means are of a type known per se, a battery pack in the form of a battery LR6, for example, which can be provided inside the handle 4.

In addition, the handle 4 can be made of a transparent material that can contain a mobile phone.

It will thus be possible to monitor the eventual receipt of messages on his phone while watching a show for example.

Advantageously, the screen according to the invention 1 is manufactured using molds of a type known per se. For this, fluid material, for example liquid, is poured into molds having an interior space of shape complementary to the shape of the screen according to the invention 1.

It is thus realized a material casting to produce a raw primary form of the screen according to the invention in a single material.

This raw form of the screen 1 is then treated, in particular by covering the sleeve portion 4 with coloring materials, inlays or sleeves, for example made of rubber, to obtain the finished shape of the screen according to the invention 1 .

It is also possible to use molds for casting two different materials, a first casting for the formation of the plate 5 in a given material and a second casting for the formation of the handle 4 in another given material.

It is thus possible to produce for example the handle portion 4 in a semi-precious or precious material and the glass plate portion 5.

Alternatively, it is possible to achieve the screen according to the invention 1 by a stamping technique of a type known per se.

For this, it is used a semi-finished product which is deformed by stamping, in particular by deformation in press, to obtain the screen according to the invention 1. However, the various manufacturing processes mentioned above are in no way limiting the scope of the invention and it is envisaged any type of manufacturing method of the screen according to the invention 1.

Figures 5 to 7 show schematic top views of the illumination means provided on the screen according to the invention.

There is thus provided illumination means 20 of the plate 5 in the form of at least one diode or LED 21 or, alternatively, the end of an optical fiber provided in the handle 4 at its level. end in connection with the plate 5.

It is understood that any other light source, of a type known per se, can be used for producing the illumination means 20.

According to a first embodiment and as shown in FIG. 5, the diode or LED 21 or optical fiber is directly below the edge of the plate 5.

It is only represented in FIG. 5 a single diode, LED or optical fiber 21, it being understood that it is conceivable to embed as many diodes, LEDs or optical fibers 21 at the connection of the plate 5 and the handle 4 these diodes or optical fibers being in line with the edge of the plate 5 on one end of the handle 4.

Alternatively, and as shown in FIG. 6, two diodes or optical fibers 21 are provided on the end of the handle 4 on either side of the plane defined by the plate 5. In this way, illumination is obtained on both sides of the plate 5, it being understood that more than one diode or optical fiber can be provided on each side of the plane defined by the plate 5.

Still alternatively and as shown in FIG. 7, only a single diode, LED or optical fiber 21 is provided on the end of the handle 4 so as to illuminate a single face of the plate 5 and located in a only side of the plane defined by the plate 5.

Thanks to these means of illumination, it is thus possible to facilitate the reading, for example of a newspaper, in dimly lit places while allowing to enlarge images.

In this way, it is thus advantageously possible to alternate the enlargement of a distant image, for example of a show stage, and to turn on the illumination means to visualize the program of the show.

Figure 8 is a schematic top view of a fifth embodiment of the screen according to the invention.

According to this embodiment, the plate 5 is provided deformable using a tie rod 22 fixed on one end of the handle 4 and on which is slidable one of the lateral edges of the plate 5 with the aid of a wheel 23 provided on one end of the tie rod 22, the other lateral edge of the plate 5 being fastened immovably to the other end of the tie rod 22.

Thus, to deform more or less strongly the plate 5, and thus obtain a more or less concavity / convexity, it is necessary to slide the wheel 23 on the tie rod 22, this sliding causing the displacement of the lateral edge of the plate 5 provided removable, this lateral edge being advantageously in abutment against the wheel 23.

Indeed, the plate 5 is advantageously provided with an internal structural rigidity such that one of its lateral edges is always abutting against the wheel 23 while the other side edge is fixed to the opposite end of the tie rod 22.

It is of course within the skill of those skilled in the art to make any means of possible connection between the plate 5 and the tie rod 22.

Figures 9 and 10 are respectively top and perspective views of a sixth alternative embodiment of the screen according to the invention.

More specifically, according to this sixth embodiment, the handle 4 has on one of the ends of the guide means 24 of the plate 5 in the form of a guide rail 25 having a U-shaped cross section and in which is able to slide, to insert and to hold the plate 5.

The guide rail 25 is removable or not, the handle 4 and advantageously has a circular arc dimension so that the guide rail is curved.

Advantageously or alternatively, the guide rail 25 is provided in a semi-rigid or deformable material.

Thus, the plate 5, itself made of a deformable optical material, has a concavity more or less important depending on the greater or lesser curvature of the guide rail 25 and it is thus possible to optically adjust the desired magnification as a function of the distance between the user and the plate 5 and as a function of the curvature of the plate 5 / rail guide 25.

Figures 11 and 12 are respectively side and front views of a seventh embodiment of the screen according to the invention.

More precisely according to this new embodiment, the handle 4 is provided with holding means 26 of the plate 5, these holding means 26 being also advantageously provided to modify the concavity of the plate 5.

Indeed, the holding means 26 are advantageously made as a trident with a central lug 27 and two lateral lugs (28, 29), the first central lug 27 being able to bear on one surface of the plate 5 and the other two lateral plates (28, 29) being advantageously able to bear against the other opposite surface of the plate 5.

The central lug 27 is advantageously provided equidistant from the two other side plates (28, 29) and has on its free end support means 30 on the plate 5 in the form of a threaded wheel 31 passing through the central lug 27 and pressing the plate 5 against the side tabs (28, 29).

Depending on the more or less large insertion of the wheel 31 through the central leg 27, then a more or less strong pressure is obtained on the plate 5 and therefore a deformation thereof, resulting in a more or less concavity, the plate 5 being advantageously provided in a deformable optical material, for example plastic.

In this way, the user can optically adjust the screen according to the invention 1 by inserting the wheel 31 into the central lug 27.

In addition, the plate 5 is advantageously treated to optically protect the user's eyes, in particular for filtering UV rays.

It is thus possible to treat the plate 5 so that it adapts according to the ambient brightness, that it is anti-glare, anti-stain or scratch-resistant.

The plate 5 can thus be tinted according to its application.

In this way, the screen according to the invention is an alternative to sunglasses known per se.

Claims

1. A portable image display screen, characterized in that it comprises input means (2) and image enlarging means (3), the image enlarging means (3) enabling the image to be enlarged. enlarged visualization of a show scene.

2. Screen according to claim 1, characterized in that said gripping means (2) are in the form of a handle (4).

3. Screen according to claim 1 or 2, characterized in that said enlarging means (3) are in the form of at least one optical effect plate (5, 6).

4. Screen according to one of the preceding claims, characterized in that said enlarging means (3) are separable from said input means (2).

5. Screen according to one of claims 3 or 4, characterized in that said at least one optical effect plate (5, 6) is rollable, preferably around or in said input means (2).

6. Screen according to one of claims 3 to 5, characterized in that said at least one optical effect plate (5, 6) is foldable.

7. Screen according to one of the preceding claims, characterized in that said enlarging means (3) are made to act as a mirror without complexion.

8. Screen according to one of the preceding claims, characterized in that it has ornamentation means.

9. Screen according to one of the preceding claims, characterized in that said enlarging means (3) are in the form of at least two parallel optical plates (5, 6).

10. Screen according to claim 9, characterized in that it comprises a fixed optical plate (5) and a movable optical plate (6).