WO2022263786A1 - Dispositif optique pour afficher un contenu à proximité de l'œil d'un utilisateur - Google Patents
Dispositif optique pour afficher un contenu à proximité de l'œil d'un utilisateur Download PDFInfo
- Publication number
- WO2022263786A1 WO2022263786A1 PCT/FR2022/051186 FR2022051186W WO2022263786A1 WO 2022263786 A1 WO2022263786 A1 WO 2022263786A1 FR 2022051186 W FR2022051186 W FR 2022051186W WO 2022263786 A1 WO2022263786 A1 WO 2022263786A1
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- WO
- WIPO (PCT)
- Prior art keywords
- optical device
- user
- optical
- display system
- eye
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 146
- 230000000007 visual effect Effects 0.000 claims abstract description 25
- 239000011521 glass Substances 0.000 claims description 7
- 230000004048 modification Effects 0.000 claims description 5
- 238000012986 modification Methods 0.000 claims description 5
- 230000000284 resting effect Effects 0.000 claims description 3
- 208000016621 Hearing disease Diseases 0.000 description 2
- 239000003570 air Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000009877 rendering Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000003190 augmentative effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000003997 social interaction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 208000029257 vision disease Diseases 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
Definitions
- TITLE Optical device for displaying content close to a user's eye
- An optical device intended to be worn by a user, for displaying content based on an audio stream, close to a user's eye without major obstruction of the user's field of vision and devoid of a video stream capture element.
- the invention finds a preferred, and non-limiting, application in the real-time conversion of audio streams into visual content visible to the eye of the user.
- Applications are possible in the field of assistance to people with hearing or vision disorders, for example, but also in the fields of linguistic and translation tools as well as in the fields of augmented reality or entertainment. but also in professional applications such as medicine, industry or even security.
- the capture of an audio stream by the optical device in order to transform it into content, in particular textual content, in a language preferred by the user of the optical device makes it possible to facilitate social interactions both for users wishing linguistic assistance and by users encountering, for example, hearing disorders wishing to increase their autonomy and understanding of their environment.
- an optical device comprising electronic components arranged in a box configured to be worn in a manner substantially similar to a pair of glasses or able to be joined with a pair of glasses, these electronic components comprising at least one or more audio stream capture elements and one or more video stream capture elements as well as a display system arranged close to the user's field of vision.
- optical device is particularly efficient because it makes it possible to perform a wide range of functions independently or by being associated with a communication terminal or an external device.
- an optical device has major drawbacks, the first being the regulations on the protection of privacy as well as the recording of the image of a person without their knowledge.
- the installation of a video stream capture element in an optical device imposes dimensional constraints in order to allow its integration inside the box and will systematically increase the overall mass of the optical device and thus reduce comfort during use. Summary of the invention
- the technical problem underlying the invention therefore consists in providing a portable optical device shaped to display content on a display system placed close to the eye of a user, which is of simple, compact and economical structure. , and which is able to collect audio streams to transcribe them with or without the need for translation on the display system, and this without requiring any video stream capture elements.
- the present invention relates to an optical device for projecting information visible to the eye of a user and devoid of means for capturing a video stream, the optical device being intended to be worn by a user and comprising:
- an optical assembly intended to focus content displayed on the display system so as to form an image at a viewing location in which a user's eye is intended to be positioned;
- control unit configured for: a. collecting an audio stream from the audio stream capture means; b. obtaining a set of visual data from the collected audio stream; vs. displaying the visual data as an image on the display system so as to form an image for a user's eye and positioned at a viewing location.
- the optical device may also have one or more of the following characteristics, which may be taken alone or in combination.
- the optical device comprises communication means configured to transmit and/or receive data intended for a communication terminal and/or to an external source, the control unit being configured to obtain a set visual data from the audio stream by: transmitting the audio stream to the communication terminal and/or to an external source; receiving visual data from the communication terminal and/or from an external source.
- the optical assembly comprises at least one optical focusing element configured to focus the content to be displayed on the display system vis-à-vis the eye of the user.
- this embodiment makes it possible to enlarge without distortion the image of the visual data originating from the display system.
- the optical focusing element is configured to focus the content to be displayed on the display system vis-à-vis the eye of the user, consisting for example of a lens or a curved mirror
- the optical focusing element can also be constituted by any other technical alternative making it possible to obtain a similar effect.
- the optical assembly comprises a reflective element arranged facing the display system, one normal of which is inclined with respect to a normal to the display system, and configured so as to reflect a light ray emerging from the reflecting element towards the optical focusing element.
- the reflecting element is a semi-reflecting mirror configured to reflect only part of the light that it receives, and to allow the other part of the light that it receives to pass. receives. In other words, it separates an incident ray into two luminous fluxes, one being reflected, and the other being refracted.
- the optical assembly comprises:
- a first reflecting element arranged facing the display system and arranged laterally vis-à-vis the optical focusing element, one normal of which is inclined with respect to a normal to the display system;
- the first reflecting element being configured to reflect an emerging light ray coming from the display system towards the second reflecting element, one normal of which is inclined with respect to the optical axis of the first reflecting element, so as to reflect a light ray emerging from the first reflecting element towards the optical focusing element.
- the arrangement of reflective element making it possible to enlarge the dimensions of the visual data perceived by the eye of the user and emitted by the display system, this while maintaining the compactness and portability of the optical device.
- the number of reflective elements can be greater than two in order to further increase the dimension of the visual data perceived by the eye of the user.
- the angle of incidence between the viewing location and the display system can be different from a 90° angle when using a single reflective element.
- this optical model makes it possible to modify the focal distance of the image represented on the display system.
- the spacing between the display system and the first or the second reflective element can be modified so as to vary the distance focusing content visible to the user's eye in the viewing location.
- the optical device comprises means for modifying the spacing, which is configured to vary the focusing distance of the content visible to the eye of the user, such as a screw or an adjustment wheel for example.
- the spacing between the display system and the first or the second reflective element is determined according to the focus distance of the content desired by the user.
- the modification of the spacing between the display system and the first or the second reflective element makes it possible to vary the focusing distance between 10 cm and 150 m, and for example between 30 cm and 50 cm.
- a focusing distance substantially equal to 40 cm is preferred so as to obtain rendering and comfort of use comparable to reading a book by the user.
- the optical device comprises attachment means configured to be secured to a support device able to be worn on the head of the user, for example on a frame and/or at least one lens of the spectacles carried by the user.
- the optical device comprises a support intended to be worn partly on one ear and resting on an upper part of the user's nose.
- optical device bears indifferently on the user's nose or ear as well as on another part of the user's face or head.
- the display system and the optical assembly are arranged substantially above a plane of the horizon for the eye of the user.
- This embodiment makes it possible to make the visual data easily perceptible to the user's eye without however cluttering or interfering with the user's field of vision.
- the display system as well as the optical assembly substantially below a plane of the horizon, or even by shifting laterally from a vertical plane with respect to a central axis of the eye of the user.
- the optical device comprises a body housing at least partly the optical assembly and the display system, the body being arranged above a plane of the horizon for the user's eye.
- the display system comprises a display whose dimensions are between 2 and 8 mm diagonally so as to minimize the size of the optical device.
- the optical device comprises a housing in which are housed, at least in part, the display system and/or the optical assembly.
- the case is configured to be resistant to water, air or dust infiltration that may come from the external environment in which the optical device is used.
- the attachment means are provided on the box.
- a first casing part is secured to a branch of the frame, while a second casing part is connected to the first casing part by means of a hinge.
- the entire optical assembly is housed in the second housing part.
- the joint is configured to allow movement of the second housing part along 3 geometric axes.
- the second housing part is adjustable relative to the first housing part according to the three dimensions, this by means of the joint.
- the joint is produced for example by means of a double ball joint.
- the joint is substantially tubular and comprises a central passage configured to allow the passage of one or more electrical supply cables capable of electrically supplying the optical assembly.
- control unit comprises a printed circuit which is for example housed at least partly in the case, and advantageously in the first part of the case.
- the means for capturing an audio stream from the optical device comprise at least one microphone or sensor configured to capture an audio stream.
- the microphone or sensor is intended to collect an audio stream. It is understood that several microphones or audio sensors can be integrated into the optical device so as to improve the quality of the audio stream collected.
- the optical device comprises at least one battery configured to electrically or electronically power the optical device.
- control unit is configured to perform voice recognition, linguistic translation or any other manipulation originating from or towards the communication terminal and/or the external source.
- the communication terminal can be constituted by a smartphone (also called smartphone), a tablet, a computer, a watch or any other device capable of sending or receiving data in order to facilitate the use and increase the practicality of the invention.
- a smartphone also called smartphone
- a tablet a computer
- a watch or any other device capable of sending or receiving data in order to facilitate the use and increase the practicality of the invention.
- the terminal is a smartphone, a tablet, a computer, a watch or any other device capable of sending and/or receiving data.
- the communication terminal sends information to one or more applications present on said optical device.
- data from one or more sensors of said optical device serve as input for one or more applications present on the communication terminal.
- At least one application integrated into the optical device is synchronized with at least one application present on the communication terminal.
- FIG 1 is a perspective view of an optical device according to a first embodiment of the invention attached to a frame of a pair of glasses worn by a user;
- FIG 2 is a perspective view of the optical device of Figure 1 showing in transparency a housing belonging to the optical device;
- FIG 3 is a schematic view representing an optical assembly of the optical device in an embodiment where the optical assembly comprises two reflective elements as well as a lens;
- FIG 4 is a perspective view of an optical device according to a second embodiment of the invention.
- FIG 5 is a perspective view of a joint used in the second embodiment of the invention.
- FIG 6 is a schematic representation representing the optical assembly of the optical device in an embodiment where the optical assembly comprises a single reflecting element as well as a focusing optical element.
- an optical device 1 is positioned close to the eye and at least partly in the user's field of vision.
- the optical device 1 is rendered integral and associated with the frame 2 of a pair of glasses worn by the user.
- the optical device 1 comprises a casing 3 configured to be fixed to the frame 2, this casing 3 notably comprises a first casing part 3A extending along a branch of the frame 2 and a second casing part 3B extending facing a lens 4 of the pair of glasses, and for example facing an outer face of said lens 4.
- the housing 3 generally has a shape in L.
- this optical device 1 comprises a display system 5 which is advantageously housed at least partly in the second housing part 3B.
- the display system 5 comprises for example a display whose dimensions are between 2 and 8 mm diagonally so as to minimize the size of the optical device 1.
- the first housing part 3A is secured to a branch of the frame 2, while the second housing part 3B is connected to the first housing part 3A by means of an articulation 16.
- the articulation 16 is configured to allow movement of the second housing part 3B along the 3 geometric axes.
- the second casing part 3B is adjustable with respect to the first casing part 3A according to the three dimensions.
- Joint 16 is made for example by means of a double ball joint.
- the entire optical assembly 6 is contained in the second housing part 3B.
- the mobility of the second casing part 3B makes it possible to optimally adjust the display system 5 according to the user's field of vision.
- the joint 16 is substantially tubular and includes a central passage configured to allow the passage of an electrical supply cable capable of electrically supplying the optical assembly.
- the optical device 1 can also be secured to one of the lenses of the user's pair of glasses, but it can also be associated with any other device intended to be worn on or near the user's head and allowing the display system 5 to be viewed by the user's eye.
- the optical device can be secured for example with an audio or protective helmet, a headband or a headband.
- the optical device 1 is intended to be worn by the user while resting on one ear as well as on an upper part of the nose.
- optical device 1 bears indifferently on the user's nose or ear as well as on another part of the user's face or head.
- this optical device 1 comprises an optical assembly 6 which is advantageously housed at least partly in the housing 3.
- the display system 5 as well as the optical assembly 6 are arranged substantially above a plane of the horizon for the eye of the user in order to make the visual data easily perceptible for the eye of the operator. user without obstructing or causing discomfort in the user's field of vision.
- Alternative arrangements not shown consist in arranging the display system 5 as well as the optical assembly 6 substantially below a plane of the horizon, or even by shifting from a vertical plane with respect to the eye of the user.
- the optical assembly 6 is at least partially housed in the housing 3.
- the optical assembly 6 comprises an optical focusing element 7 configured to focus content to be displayed on the display system 5 vis-à-vis a viewing location 8.
- Such an optical focusing element 7 allows the user to perceive enlarged content without distortion.
- the viewing location 8 is located at the level of the user's eye and at a reasonable distance from the latter, a distance of between 0.5 and 10 cm.
- the focusing optical element 7 generally consists of a lens or a curved mirror, but can also be replaced by any other technical device making it possible to obtain a similar effect.
- the optical assembly 6 comprises a first reflecting element 9 arranged facing the display system 5 and arranged laterally vis-à-vis the optical focusing element 7, and also a second reflecting element 10 which is arranged along an optical axis of the optical focusing element 7, allowing an emerging light ray coming from the display system 5 to be reflected on the first reflecting element 9 then on the second reflecting element 10 before to reach the optical focusing element 7 then the user's eye.
- the reflecting element 9, 10 can be a semi-reflecting mirror configured to reflect only part of the light which it receives, and to allow the other part of the light which it receives to pass. In other words, the reflecting element 9, 10 separates an incident ray into two luminous fluxes, one being reflected, and the other being refracted.
- the successive arrangement of the first reflecting element 9 and of the second reflecting element 10 makes it possible to enlarge the dimensions of the visual data emitted by the display system 5 and perceived by the eye of the user, this while preserving the compactness and the optical device portability 1.
- the invention may have other configurations, namely:
- the optical assembly 6 consists of a single reflective element arranged opposite the display system 5 and one normal of which is inclined with respect to a normal to the display system 5, the reflecting element being configured so as to reflect a light ray emerging from the reflecting element towards the optical focusing element 7 then reaching the eye of the user;
- the optical assembly 6 consists of more than two reflective elements and whose successive angular configuration allows the eye of the user to be reached by the light ray emerging from the display system 5, the increase in the number of reflective elements making it possible to increase the dimension of the visual data perceived by the eye of the user.
- the angle of incidence between the location visualization 8 and the display system 5 can be different from an angle of 90°.
- the modification of the angle of incidence makes it possible to modify the optical model used and/or the size of the optical assembly 6.
- the spacing between the display system 5 and the first or the second reflecting element 9, 10 can be modified so as to vary the focusing distance of the visible content. by the eye of the user in the viewing location 8.
- the modification of the spacing between the display system 5 and the first or the second reflective element 9, 10 makes it possible to vary the focusing distance between 10 cm and 150 m, and for example at a focusing distance which is comprised between between 30 cm and 50 cm.
- a focusing distance substantially equal to 40 cm is preferred so as to obtain rendering and comfort of use comparable to reading a book by the user.
- the optical device 1 also consists of electronic and optical components arranged in the housing 3, these electronic components comprising one or more audio stream capture means as well as a control circuit 11, formed by an integrated circuit specific to an application, also called ASIC, and a control unit 12 configured to control the operation of the optical device 1 .
- the control unit 12 is in particular configured to control the display of visual data on the display system 5 via the control circuit 11.
- the audio stream capture means advantageously comprise a microphone 13 intended to collect an audio stream. Nevertheless, the audio stream capture means could comprise several microphones or audio sensors arranged in the box 3 so as in particular to improve the quality of the audio stream collected.
- the microphone 13 as well as the optical assembly 6 are arranged in the second part of the casing 3.
- the display system 5 and the optical assembly 6 are configured and positioned so as to display a set of visual data previously collected from the audio stream capture means on the display system 5 so as to form an image or a succession of images for a user's eye and positioned at a viewing location 8, in this case the optical assembly 6 is placed facing the eye of the user.
- the control unit 12 is configured to obtain a set of visual data to be displayed on the display system 5 of the optical device 1 and whose data can pass through communication means fitted to the optical device 1.
- the optical device 1 notably comprises a battery 14 configured to power the optical device 1 electrically or electronically.
- the battery 14 can in particular be housed in the first housing part 3B.
- the box 3 is configured to be resistant to water, air or dust infiltration that may come from the external environment in which the optical device 1 is used.
- the control unit 12 comprises in particular a printed circuit 15, also called PCB (Printed Circuit Board), integrating all the components of the control circuit 11.
- PCB Print Circuit Board
- the control unit 12 also comprises the following components: a processor, a Bluetooth communication module, a charger, flash memory, an audio codec, at least one DC/DC converter as well as a voltage regulator.
- control unit 12 can be configured to obtain a set of visual data to be displayed on the display system 5, by transmitting the audio stream intended for a terminal of communication and/or from an external source then by receiving visual data coming from the communication terminal and/or from an external source so as to display them on the display system 5 and in direct proximity to the eye of the user.
- control unit 12 of the optical device 1 is capable of performing voice recognition or linguistic translation as well as any other manipulation coming from or towards the communication terminal and/or the external source.
- the communication terminal can be constituted by a ordiphone (smartphone), a tablet, a computer, a watch or any other device capable of sending or receiving data in order to facilitate use and increase the practicality of the invention.
- the communication terminal will transmit information and/or data towards at least one of the applications present on the optical device 1.
- the data from the sensors as well as any data coming from the optical device 1 can serve as input for one or more applications present on the communication terminal or the external source.
- the applications integrated into the optical device 1 may be partially or totally synchronized with at least one application present on the communication terminal and/or the external source.
- the optical device 1 is configured to: - collect an audio stream using the microphone 13 or the sensor integrated in the box 3; detect the voice of an interlocutor from the audio stream; converting audio data into visual data with or without translation via the control unit 12; control the display of visual data on display system 5 focus content from display system 5 to form an image at a viewing location ideally superimposed on the user's eye.
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP22740947.1A EP4356182A1 (fr) | 2021-06-18 | 2022-06-17 | Dispositif optique pour afficher un contenu à proximité de l'oeil d'un utilisateur |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FRFR2106514 | 2021-06-18 | ||
FR2106514A FR3124281A1 (fr) | 2021-06-18 | 2021-06-18 | Dispositif optique pour afficher un contenu à proximité de l’œil d’un utilisateur |
Publications (1)
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WO2022263786A1 true WO2022263786A1 (fr) | 2022-12-22 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/FR2022/051186 WO2022263786A1 (fr) | 2021-06-18 | 2022-06-17 | Dispositif optique pour afficher un contenu à proximité de l'œil d'un utilisateur |
Country Status (3)
Country | Link |
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EP (1) | EP4356182A1 (fr) |
FR (1) | FR3124281A1 (fr) |
WO (1) | WO2022263786A1 (fr) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120113092A1 (en) * | 2010-11-08 | 2012-05-10 | Avi Bar-Zeev | Automatic variable virtual focus for augmented reality displays |
US20160313973A1 (en) * | 2015-04-24 | 2016-10-27 | Seiko Epson Corporation | Display device, control method for display device, and computer program |
US20190068529A1 (en) * | 2017-08-31 | 2019-02-28 | Daqri, Llc | Directional augmented reality system |
US20200194028A1 (en) * | 2018-12-18 | 2020-06-18 | Colquitt Partners, Ltd. | Glasses with closed captioning, voice recognition, volume of speech detection, and translation capabilities |
-
2021
- 2021-06-18 FR FR2106514A patent/FR3124281A1/fr active Pending
-
2022
- 2022-06-17 WO PCT/FR2022/051186 patent/WO2022263786A1/fr active Application Filing
- 2022-06-17 EP EP22740947.1A patent/EP4356182A1/fr active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120113092A1 (en) * | 2010-11-08 | 2012-05-10 | Avi Bar-Zeev | Automatic variable virtual focus for augmented reality displays |
US20160313973A1 (en) * | 2015-04-24 | 2016-10-27 | Seiko Epson Corporation | Display device, control method for display device, and computer program |
US20190068529A1 (en) * | 2017-08-31 | 2019-02-28 | Daqri, Llc | Directional augmented reality system |
US20200194028A1 (en) * | 2018-12-18 | 2020-06-18 | Colquitt Partners, Ltd. | Glasses with closed captioning, voice recognition, volume of speech detection, and translation capabilities |
Non-Patent Citations (1)
Title |
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ENGLISH: "M100 Smart Glasses Product Guide Enterprise Edition", 31 December 2015 (2015-12-31), XP055946858, Retrieved from the Internet <URL:http://files.vuzix.com/Content/Upload/Driver_File_425PB0002_03_Product_Guide_US_Enterprise_20160404131344910.pdf> [retrieved on 20220727] * |
Also Published As
Publication number | Publication date |
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EP4356182A1 (fr) | 2024-04-24 |
FR3124281A1 (fr) | 2022-12-23 |
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