WO2023249297A1 - Support de livre comprenant une structure portable permettant la lecture - Google Patents

Support de livre comprenant une structure portable permettant la lecture Download PDF

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Publication number
WO2023249297A1
WO2023249297A1 PCT/KR2023/007947 KR2023007947W WO2023249297A1 WO 2023249297 A1 WO2023249297 A1 WO 2023249297A1 KR 2023007947 W KR2023007947 W KR 2023007947W WO 2023249297 A1 WO2023249297 A1 WO 2023249297A1
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WO
WIPO (PCT)
Prior art keywords
light
unit
book
image
main body
Prior art date
Application number
PCT/KR2023/007947
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English (en)
Korean (ko)
Inventor
박병무
Original Assignee
박병무
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 박병무 filed Critical 박병무
Publication of WO2023249297A1 publication Critical patent/WO2023249297A1/fr

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/10—Services
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/04—Processes or apparatus for producing holograms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/315—Modulator illumination systems
    • H04N9/3164—Modulator illumination systems using multiple light sources
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/3173—Constructional details thereof wherein the projection device is specially adapted for enhanced portability
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3179—Video signal processing therefor
    • H04N9/3188—Scale or resolution adjustment

Definitions

  • the purpose of the present invention is to provide a book that can be viewed on a portable basis after easily selecting and storing the contents of the book to be read using a communication port or wireless communication, and that a screen structure is not required when projecting the contents of the book, so that it can be easily viewed. It provides a beam.
  • a book beam according to one aspect of the present invention for achieving this purpose has a structure that can be mounted or carried on a surface to be installed, and includes a main body on one side of which a communication port accessible from the outside is mounted;
  • a wireless communication module that is mounted inside the main body, receives wireless communication data containing book content to be stored, stores it in a data storage unit, and controls the operation of the projection unit according to an input signal received from a remote control;
  • a data storage unit mounted inside the main body and storing data containing the contents of books purchased by the user only for the beam projector through a wireless communication module; and a projection unit mounted on one side of the main body and operated by a control signal transmitted from a wireless communication module to generate an image in the air based on a previously input control value.
  • the projection unit includes a lighting unit consisting of a plurality of light source units that are sequentially turned on and off repeatedly.
  • a holographic optical unit that reproduces light forming a plurality of screen images spaced apart in depth in space when light from the lighting unit is incident;
  • the light reproduced from the holographic optical unit is modulated according to the image signal, one frame of image is divided into a plurality of pieces equal to the number of light source units, and a plurality of sub-frame images to be imaged at positions spaced apart in the depth direction are generated.
  • the holographic optical unit may include a plurality of holographic elements in which the plurality of screen images are respectively recorded, or a single hologram element in which the plurality of screen images are multiplexed using light in different directions as reference light.
  • the plurality of sub-frame images include a background image and a front image
  • the plurality of screen images respectively recorded in the plurality of hologram elements are recorded using light in different directions as reference light
  • the plurality of holograms The material of the device is photoresist or photopolymer
  • the material of the plurality of holographic devices is holographic polymer dispersed liquid crystal (HPDLC) that is electrically controlled on/off
  • the plurality of hologram elements may be sequentially turned on and off in synchronization with the driving of the plurality of light source units.
  • the remote control includes a function for enlarging or reducing an image generated from the projection unit; A function to turn pages of images generated from the projection unit; A function to select and play a page of an image generated from the projection unit; And it may be a configuration that includes a function to recognize the user's hand gestures and turn the pages of the video or select and play it.
  • the main body part includes: a main body holder that is mounted on both sides of the main body part and can be mounted on a surface to be installed, and has a structure that can change the mounting angle of the main body part according to the user's intention; It may be a configuration that includes.
  • the book beam of the present invention it is provided with a main body of a specific structure, a wireless communication module, a data storage unit, and a projection unit, so that the contents of the book to be viewed can be easily selected and stored using a communication port or wireless communication. It can be viewed on a portable basis, and when projecting book contents, a screen structure is not required, so it is possible to provide a book beam that includes a configuration that allows easy viewing.
  • Figure 4 is a cross-sectional view showing a projection unit of a book beam according to an embodiment of the present invention.
  • FIGS. 5 to 8 are conceptual diagrams illustrating the principle of forming a plurality of screen images by the holographic optical unit of the imaging unit mounted on the book beam shown in FIG. 4.
  • Figure 10 is a graph illustrating the diffraction efficiency of a holographic device.
  • Figure 11 is an implementation diagram of a book beam according to an embodiment of the present invention.
  • the book beam 100 is provided with a main body 110, a wireless communication module 120, a data storage unit 130, and a projection unit of a specific structure, so that books to be viewed are displayed. Contents can be easily selected and stored using the communication port 150 or wireless communication and then viewed on a portable basis. Since no screen structure is required when projecting book contents, a book beam can be provided that includes a configuration that allows easy viewing.
  • the main body 110 has a structure that can be mounted or carried on a surface to be installed, and has a communication port 150 mounted on one side that can be accessed from the outside.
  • main body mounts 170 are mounted on both sides of the main body 110, so that they can be mounted on the surface to be installed, and the main body 110 can be mounted according to the user's intention. ), the mounting angle can be changed. In this case, the position and angle of the main body 110 can be changed to suit the user's various postures, and furthermore, the book beam 100 can be operated easily and stably even when the user is lying down.
  • the wireless communication module 120 is a component mounted inside the main body 110, receives wireless communication data containing the contents of the book to be stored, stores it in the data storage unit 130, and controls the remote control.
  • the operation of the projection unit 160 can be controlled according to the input signal received from 140.
  • the remote control 140 includes various functions, for example, a function to enlarge or reduce the image generated from the projection unit, a function to turn the page of the image generated from the projection unit, It may have a structure that includes a function to select and play a page of the image generated from the projection unit, and a function to turn or select a page of the image and play it by recognizing the user's hand gestures.
  • the data storage unit 130 is a component mounted inside the main body 110 and can store wireless communication data received from the wireless communication module 120.
  • Places where book data can be purchased may be places where it can be purchased using the Internet information and communication network, or it may be a general library. In other words, you can purchase book data and update the purchase data in the book beam 100 according to this embodiment to view the book.
  • the projection unit 160 is a component mounted on one side of the main body 110, and is operated by a control signal transmitted from a wireless communication module to generate an image in the air based on a previously input control value. can do.
  • FIG. 4 shows a cross-sectional view showing a projection unit of a book beam according to an embodiment of the present invention.
  • FIGS. 5 to 8 show conceptual diagrams explaining the principle of forming a plurality of screen images by the holographic optical unit of the imaging unit mounted on the book beam shown in FIG. 4.
  • the projection unit 160 may be configured to include a lighting unit 161, a hologram optical unit 163, a display panel 164, and an optical path conversion unit 162 of a specific structure. there is.
  • the lighting unit 161 of the projection unit 160 has a structure comprised of a plurality of light source units that are sequentially turned on and off repeatedly.
  • the hologram optical unit 163 When light from the lighting unit 161 is incident on the hologram optical unit 163, light that forms a plurality of screen images whose positions in the depth direction are spaced apart in space is reproduced.
  • the display panel 164 modulates the light reproduced from the hologram optical unit 163 according to the image signal, and the image of one frame is divided into a plurality of pieces equal to the number of light source units and displayed at positions spaced apart in the depth direction.
  • a plurality of sub-frame images to be imaged can be sequentially modulated.
  • the optical path conversion unit 162 is a component disposed in the optical path between the lighting unit 161 and the holographic optical unit 163, and the light illuminated from the plurality of light source units is transmitted to the holographic optical unit 163 at different angles of incidence. It changes the path to enter the light and is a structure that includes a Fresnel lens.
  • Figure 9 shows a cross-sectional view showing a projection unit of a book beam according to another embodiment of the present invention
  • Figure 10 shows a graph exemplarily showing the diffraction efficiency of a holographic element.
  • the hologram optical unit 163 includes a plurality of hologram elements 163a, 163b, and 163c, each of which records a plurality of screen images, or the plurality of screen images emit light in different directions. It may be a configuration that includes one hologram element recorded multiple times using as a reference light.
  • the plurality of sub-frame images include a background image and a front image, and that the plurality of screen images respectively recorded in the plurality of hologram elements are recorded using light in different directions as reference light.
  • the material of the plurality of hologram elements is photoresist or photopolymer
  • the material of the plurality of hologram elements is holographic polymer dispersed liquid whose turning on and off is electrically controlled. Crystal, HPDLC) is preferred.
  • the plurality of hologram elements may be sequentially turned on and off in synchronization with the driving of the plurality of light source units.
  • first hologram element 163a and the second hologram element 163b form a plurality of screen images whose positions are spaced apart in space is explained as follows.
  • Figures 3 and 5 show the process of recording a hologram corresponding to a screen image on a hologram medium 163a' to produce a first hologram element 163a and playing a screen image therefrom.
  • the hologram corresponding to the screen image can be formed, for example, by recording the image of the diffuser 10 on the hologram medium 163a'.
  • the hologram medium 163a' is a photosensitive medium sensitive to light and is formed of materials such as photoresist and photopolymer, and is an optical interference pattern of object light containing image data and reference light that does not contain data. Video information can be saved by .
  • the first hologram element 163a shows that an image hologram of the diffuser 10 located at a distance d1 is recorded on the hologram medium 163a'.
  • the restored object light Lo represents a diffuser image, which is equivalent to forming a screen S1 in a space spaced apart by a distance d1 from the first hologram element 163a.
  • Figures 7 and 8 show the process of recording a hologram corresponding to a screen image on a hologram medium 163b' to produce a second hologram element 163b and playing back a screen image therefrom.
  • the diffuser 10 is spaced apart from the holographic medium 163b' by a distance d2
  • the object light Lo containing the image of the diffuser 10 and the reference light Lr2 not containing image data are transmitted to the holographic medium 163b'. ') to be investigated.
  • the angle at which the reference light Lr2 is incident on the hologram medium 163b' is different from that of the reference light Lr1 in FIGS. 5 and 6.
  • An interference pattern formed by interference between the object light Lo and the reference light Lr2 is recorded in the hologram medium 163b'.
  • the second hologram element 163b shows that an image hologram of a diffuser located at a distance d2 is recorded in the hologram medium 163b'.
  • the three-dimensional image display device 100 of this embodiment employs the first and second hologram elements 163a and 163b manufactured on the same principle, and in principle, the hologram has the characteristic of being reproduced only at the angle of the reference light used for recording. will be used.
  • a hologram shows maximum efficiency when reproduced at the same angle as the reference light at the time of recording, and this angle is called the Bragg angle. As it deviates from this angle, the diffraction efficiency drops rapidly.
  • the horizontal axis represents the degree of deviation from the Bragg angle
  • the vertical axis represents the diffraction efficiency.
  • first and second light source units (161a, 161b) light is incident on the first and second hologram elements (163a, 163b) at an angle corresponding to the reference light of each of the first and second hologram elements (163a, 163b).
  • the light is illuminated sequentially so that Accordingly, light formed at different positions from the first and second hologram elements 163a and 163b is sequentially reproduced.
  • Holographic polymer dispersed liquid crystal can be used as a holographic medium for forming the first and second hologram elements 163a and 163b constituting the above-described hologram optical unit 163.
  • Polymer dispersed liquid crystal (PDLC) is a material formed by dispersing polymers within a liquid crystal cell, and has the property of being controlled in a transparent and diffuse state according to electrical control.
  • PDLC Polymer dispersed liquid crystal
  • the display panel 164 forms an image by modulating the light reproduced in this way by the hologram optical unit 163 according to the image signal, and may be composed of, for example, a liquid crystal panel. Since the first and second hologram elements 163a and 163b are disposed behind the display panel 164, the display panel 164 converts the light reproduced from the first and second hologram elements 163a and 163b into an image signal. Modify accordingly.
  • the display panel 164 divides one frame of image into a plurality of images and implements them alternately using time division (time multiplexing). For example, one frame of image is divided into two sub-frame images, and the display panel 164 modulates light according to the image signal corresponding to each.
  • the two sub-frame images can be the background image (I1) and the foreground image (I2).
  • the cycle in which the display panel 164 alternately implements the background image (I1) and the front image (I2) is recognized as an image of a frame that should be shorter than the blink of the eyes of the passenger or waiting person for boarding, for example, 1/120 second. shorter than As shown in the drawing, the background image (I1) with respect to the front image (I2) creates a sense of depth as much as d, which is the difference between d2 and d1, to passengers or those waiting to board, and thereby a three-dimensional image can be perceived.
  • the optical path conversion unit 162 is disposed in the optical path between the lighting unit 161 and the holographic optical unit 163, so that light from the first and second light source units 161a and 161b enters the holographic optical unit at different angles.
  • the idea is to join (163).
  • the optical path conversion unit 162 converts the light from the first and second light source units 161a and 161b to the angle of the reference light used when recording a hologram in the first and second hologram elements 163a and 163b. Convert the optical path to have .
  • the wireless communication module 120 controls the operation of the lighting unit 161 and the display panel 164. For example, the wireless communication module 120 sequentially modulates image signals corresponding to two sub-frame images in the display panel 164. They are synchronized to control the turning on and off of the first and second light source units 161a and 161b.
  • the first and second hologram elements 163a and 163b are made of holographic polymer dispersed liquid crystal, each of the first and second hologram elements 163a and 163b is synchronized with the lighting signal and the image signal. to control switching.
  • the holographic optical unit 163 forms a plurality of screen images and the synchronized operation of the display panel 164 and the lighting unit 161 causes a difference in the sense of depth by d for passengers or those waiting to board. sees two images (I1, I2) and recognizes a 3D image.
  • it is possible to implement a general two-dimensional image by using only one of the plurality of light source units 161a and 161b constituting the lighting unit 161 and modulating the light according to the two-dimensional image signal in the display panel 164. do.
  • the I2 image placed relatively at the back implements an image representing the exterior shape and paper material of the book
  • the I1 image placed relatively at the front represents images printed on each page of the book. Videos representing text, pictures, or photos can be created.
  • a book beam of the present invention by providing a main body 110, a wireless communication module 120, a data storage unit 130, and a projection unit of a specific structure, the contents of the book to be viewed are transmitted through a communication port.
  • a book beam can be provided that can be viewed on a portable basis after being easily selected and saved using wireless communication, and a screen structure is not required when projecting book contents, so it is possible to provide a book beam that includes a configuration that allows for easy viewing.
  • the present invention relates to a book beam, which has a main body of a specific structure, a wireless communication module, a data storage unit, and a projection unit, so that the contents of books to be read can be easily selected and stored using a communication port or wireless communication and then viewed on a portable basis.
  • a screen structure is not required when projecting book contents, it is possible to provide a book beam with a structure that can be easily viewed, so it has industrial applicability.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Tourism & Hospitality (AREA)
  • Human Computer Interaction (AREA)
  • Economics (AREA)
  • General Health & Medical Sciences (AREA)
  • Human Resources & Organizations (AREA)
  • Marketing (AREA)
  • Primary Health Care (AREA)
  • Strategic Management (AREA)
  • General Business, Economics & Management (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Holo Graphy (AREA)
  • Projection Apparatus (AREA)

Abstract

Selon un mode de réalisation de la présente invention, un support de livre comprend : une unité de corps qui comporte une structure permettant le maintien ou le transport sur une surface sur laquelle elle doit être disposée, et qui est dotée d'un port de communication qui peut être connecté depuis l'extérieur sur l'un de ses côtés ; un module de communication sans fil qui est installé à l'intérieur de l'unité de corps, qui reçoit des données de communication sans fil qui contiennent des contenus de livre à stocker de façon à les stocker dans une unité de stockage de données, et qui commande le fonctionnement d'une unité de projection en fonction d'un signal d'entrée reçu en provenance d'une télécommande ; l'unité de stockage de données qui est installée à l'intérieur de l'unité de corps et qui stocke les données de communication sans fil reçues en provenance du module de communication sans fil ; et l'unité de projection qui est installée sur une surface latérale de l'unité de corps et qui fonctionne au moyen d'un signal de commande transmis par le module de communication sans fil de façon à générer une image dans les airs sur la base d'une valeur de commande entrée à l'avance.
PCT/KR2023/007947 2022-06-19 2023-06-09 Support de livre comprenant une structure portable permettant la lecture WO2023249297A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2022-0074489 2022-06-19
KR20220074489 2022-06-19
KR10-2022-0107774 2022-08-26
KR1020220107774A KR20230174125A (ko) 2022-06-19 2022-08-26 휴대 열람 가능한 구조를 포함하는 도서 빔

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WO2023249297A1 true WO2023249297A1 (fr) 2023-12-28

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100001261A (ko) * 2008-06-26 2010-01-06 삼성전자주식회사 홀로그램 소자를 이용한 3차원 영상 표시 장치 및 방법
KR101352036B1 (ko) * 2012-01-02 2014-01-15 주식회사 세코닉스 피코 프로젝터의 광학 시스템
WO2017038167A1 (fr) * 2015-09-01 2017-03-09 ソニー株式会社 Dispositif de traitement d'informations, procédé de traitement d'informations et programme
KR20190044775A (ko) * 2017-10-23 2019-05-02 전북대학교산학협력단 휴대형 빔 프로젝터
KR102129808B1 (ko) * 2019-02-21 2020-07-03 대구보건대학교산학협력단 휴대용 빔 프로젝터

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190006853A (ko) 2017-07-11 2019-01-21 조성수 빔 프로젝트 디스플레이를 갖춘 전자 책

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100001261A (ko) * 2008-06-26 2010-01-06 삼성전자주식회사 홀로그램 소자를 이용한 3차원 영상 표시 장치 및 방법
KR101352036B1 (ko) * 2012-01-02 2014-01-15 주식회사 세코닉스 피코 프로젝터의 광학 시스템
WO2017038167A1 (fr) * 2015-09-01 2017-03-09 ソニー株式会社 Dispositif de traitement d'informations, procédé de traitement d'informations et programme
KR20190044775A (ko) * 2017-10-23 2019-05-02 전북대학교산학협력단 휴대형 빔 프로젝터
KR102129808B1 (ko) * 2019-02-21 2020-07-03 대구보건대학교산학협력단 휴대용 빔 프로젝터

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