KR20120012007A - E-book apparatus comprising projection-type input device - Google Patents

E-book apparatus comprising projection-type input device Download PDF

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Publication number
KR20120012007A
KR20120012007A KR1020100073824A KR20100073824A KR20120012007A KR 20120012007 A KR20120012007 A KR 20120012007A KR 1020100073824 A KR1020100073824 A KR 1020100073824A KR 20100073824 A KR20100073824 A KR 20100073824A KR 20120012007 A KR20120012007 A KR 20120012007A
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KR
South Korea
Prior art keywords
projection
window image
input window
image
information input
Prior art date
Application number
KR1020100073824A
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Korean (ko)
Inventor
김동현
임재현
Original Assignee
주식회사 아이리버
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Publication date
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Priority to KR1020100073824A priority Critical patent/KR20120012007A/en
Publication of KR20120012007A publication Critical patent/KR20120012007A/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
    • G06F3/0425—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means using a single imaging device like a video camera for tracking the absolute position of a single or a plurality of objects with respect to an imaged reference surface, e.g. video camera imaging a display or a projection screen, a table or a wall surface, on which a computer generated image is displayed or projected
    • G06F3/0426—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means using a single imaging device like a video camera for tracking the absolute position of a single or a plurality of objects with respect to an imaged reference surface, e.g. video camera imaging a display or a projection screen, a table or a wall surface, on which a computer generated image is displayed or projected tracking fingers with respect to a virtual keyboard projected or printed on the surface
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
    • G06F3/0428—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by sensing at the edges of the touch surface the interruption of optical paths, e.g. an illumination plane, parallel to the touch surface which may be virtual

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Projection Apparatus (AREA)

Abstract

PURPOSE: An e-book apparatus with a projection input device is provided to use an image acquired through a projector as an input unit, thereby reducing the weight of the e-book apparatus and enabling a user to easily carry with. CONSTITUTION: A projector(13) projects an information input window image to an projection information input window image. A projection image recognizing unit(14) recognizes an occupation area of projection input buttons included in the projection information input window image. A touch position recognizing unit(15) recognizes a touch area in the projection information input window image. A command generating unit(16) generates an input command for the input button images by checking the occupation area of projection input buttons based on the touch area.

Description

E-BOOK APPARATUS COMPRISING PROJECTION-TYPE INPUT DEVICE}

The present invention relates to an e-book device equipped with an input device, and in particular, does not include a physical input device such as a keyboard, and projects projections to generate virtual input means by irradiating an image of the input means to the floor through a projector. The present invention relates to an e-book device having an input device.

With the generalization of the Internet and the development of mobile communication services, information revolution is taking place in many places, and it is still continuing to develop. As a result, it was possible to provide movies, music, and books published offline, such as movies and dramas, which were previously provided offline, and paid educational information, living information, medical information, and economic information through the Internet. In addition, since it can be provided free of charge, the activation of information providing business through the Internet is in progress.

E-Book contents, which provide books published offline through the Internet, are converted to digital form by applying Hypertext Markup Language (HTML) and Extensible Markup Language (XML), the standard languages of the Internet, instead of existing paper books. In addition, PCs equipped with programs for reading such e-books and dedicated portable terminals such as e-book devices are widely used.

In addition, the electronic dictionary stores a vast amount of information, you can quickly retrieve information by storing various characters and their contents, MP3 player, video player, radio, DMB, e-book, and more recently, the Internet has expanded It is becoming.

Conventionally, the electronic dictionary only performs the function of the dictionary, PMP video, MP3 music, navigation is specialized in their respective functions, such as navigation, but recently has absorbed each other's functions so that there is no distinction between each product.

Portable terminals such as e-book devices and electronic dictionaries are smarter and more compact, emphasizing portability, and evolving to provide different functions, and in particular, more extended and diverse input devices such as keyboards are required.

Therefore, in recent years, a small portable terminal such as an e-book device has a keypad provided with a plurality of input buttons at the bottom of the display unit, for example, but in this case, as much as the area occupied by the keypad in the small terminal main body. The size of the display portion is reduced. This causes inconvenience in reading the e-book.

In addition, when the display unit itself includes a touch type input means, the screen area of the display unit displayed by the plurality of input buttons activated on the display unit is reduced, which is inconvenient for typing letters or checking the typed contents.

Recently, a portable keyboard has been proposed to solve such inconveniences, but there is a problem that it is cumbersome because a portable keyboard must be carried at all times separately from the portable terminal.

Accordingly, the present invention has been made to solve the above problems of the prior art, the object of the present invention is to provide a weight by using the optical image irradiated through the projector as an input means without having a separate physical input device The present invention provides an e-book device having a projection input device which is reduced and portable.

According to an embodiment of the present invention, there is provided a projection input device for easily inputting information by detecting a user's motion (touch) in an area of an activated input button without applying a physical force to the input button for information input. It is another object to provide one e-book device.

According to an embodiment of the present invention, by providing a variety of input window images, such as a text input window, a number input window and a page turning window to implement an input button image enlarged in a limited area projection input apparatus that can perform accurate information input Another object is to provide an e-book device provided.

According to an embodiment of the present invention, by providing a detachable screen plate to provide an e-book device having a projection input device that allows a user to input information through the input window image projected on the screen plate while moving. do.

An e-book device having a projection input device according to an embodiment of the present invention includes information for storing at least one information input window image partitioned into a plurality of areas, each of which comprises a plurality of input button images corresponding to the partitioned areas. An input window image storage unit; An information input window image selecting unit for selecting any one of at least one information input window image stored in the information input window image storage unit; A projector configured to project the information input window image selected by the information input window image selection unit to a projection information input window image to the outside; A projection image recognizing unit for recognizing occupied areas of a plurality of partitioned projection input button images of the projection information input window image projected by the projector; A touch position recognition unit recognizing a touch area in the projection information input window image; A command generation unit for generating an input command allocated to the input button image by checking which of the plurality of areas of the projection input button image is occupied by the touch area recognized by the touch position recognizing unit; And a function determination unit that executes the input command generated by the command generation unit.

The e-book device having a projection input device according to another embodiment of the present invention, the e-book device having a projection input device, the information input window image is a character input window image for inputting a letter, a number input window for entering a number It is characterized in that either the image or page turning window image of the e-book.

The e-book apparatus having a projection input apparatus according to another embodiment of the present invention, wherein the projection image recognition unit detects each edge of the projected projection input button image to recognize the occupied area of the projection input button image. It features.

The e-book apparatus having a projection input apparatus according to another embodiment of the present invention is characterized in that the projector irradiates the input information window image with a single laser beam including a single color.

The e-book apparatus having a projection input apparatus according to another embodiment of the present invention is characterized in that the projector irradiates the input information window image with color laser light including at least one color.

E-book device having a projection input device according to another embodiment of the present invention, the hinge is fastened to the rear of the main body of the e-book device, the cradle for maintaining a predetermined inclined height relative to the floor surface on which the e-book device is placed: The projector further includes the projection information input window image being projected onto the bottom surface while the ebook device maintains a predetermined inclined height.

The e-book device having a projection input device according to another embodiment of the present invention further includes a screen plate detachable on one side of the main body of the e-book device, wherein the projection information input window image is projected on the screen plate. It is done.

As described above, the e-book device having the projection input device according to the present invention can reduce weight and facilitate portability by using an optical image irradiated through a projector as an input means without providing a separate physical input device. It can be effective.

In addition, the e-book device having a projection input device according to the present invention can easily input information by detecting a user's motion (touch) in the area of the activated input button without applying a physical force to the input button for information input. It can be effective.

 In addition, the e-book device having a projection input device according to the present invention provides various input window images such as a text input window, a number input window, and a page turning window to realize accurate input of information by implementing an enlarged input button image in a limited area. There is an effect that can be done.

Lastly, the e-book device having the projection input device according to the present invention has a removable screen plate, so that the user can input information through the input window image projected on the screen plate while moving.

1 is a block diagram showing the configuration of an e-book device having a projection input device according to an embodiment of the present invention.
2A is an exemplary diagram illustrating an information input window image and an input button image partitioned into a plurality of areas according to an exemplary embodiment of the present invention, and FIG. 2B is an exemplary diagram illustrating a projection information input window image and a projection input button image.
3A is a front view of an e-book device with a projection input device, and FIG. 3B is a rear view of an e-book device with a projection input device.
4 is a perspective view of an e-book device having a projection input device according to an embodiment of the present invention.
5 is a perspective view of an e-book device having a projection input device equipped with a detachable screen plate according to an embodiment of the present invention.

Hereinafter, the detailed description of the preferred embodiment of the present invention will be described with reference to the accompanying drawings. In the following description of the present invention, detailed descriptions of well-known functions or configurations will be omitted when it is deemed that they may unnecessarily obscure the subject matter of the present invention.

In the present specification, when one component 'transmits' data or a signal to another component, any one component may directly transmit data or a signal to another component, and at least one other component. This means that data or a signal can be transmitted to other components through the APC.

In describing the present invention, although the e-book device is illustrated and described, other electronic devices such as an electronic dictionary having an input means function may also be applied. In addition, the e-book device may include a wired / wireless Internet connection, a personal computer installed with an e-book viewer program, and a portable terminal capable of providing multimedia content.

1 is a block diagram showing a configuration of an e-book device having a projection input device according to an embodiment of the present invention, Figure 2a is an information input window image and an input button image partitioned into a plurality of areas according to an embodiment of the present invention 2B is an exemplary diagram illustrating a projection information input window image and a projection input button image.

1 and 2, the e-book device 10 having a projection input device includes an information input window image storage unit 11, an information input window image selection unit 12, a projector 13, and a projection image recognition unit. 14, the touch position recognizing section 15, the command generating section 16, and the function determining section 17 are configured.

The information input window image storage unit 11 includes a plurality of information input window images, for example, a text input window image for inputting characters such as Korean and English, a number input window image for inputting a number, or e-book. Image input window of various forms such as page turning window image that can perform page turning of image and save. The imaged information input window 201 is partitioned into a plurality of areas to include a plurality of input button images 202. The information input window image 100 is partitioned into an m-by-n matrix area for the horizontal and vertical directions (where m and n are natural numbers), for example, a plurality of areas respectively corresponding to the partitioned area in a matrix form of 2 × 4. An input button image 202 of is formed. In addition, input commands fun # 1 to fun # 8 are assigned to each input button image 202 to perform a set function.

The information input window image selecting unit 12 is a user desired image from a plurality of information input window images stored in the information input window image storage unit 11, for example, a text input window image, a numeric input window image, or a page turning window. One of the images can be selected.

The projector 13 projects the information input window image selected by the information input window image selection unit 12 to the projection information input window image 203 to the outside. The projection information input window image 204 is formed with a plurality of projection input button images 204 partitioned into a plurality of areas. In addition, the projector 13 may irradiate the information input window image selected with a single color laser light, and may irradiate the information input window image with, for example, color laser light having different colors and wavelengths. In this case, the monochrome or color laser light may be selected according to the stored image.

The projected image recognition unit 14 projects the projected projections to respectively recognize the occupied area of each projection input button image 204 partitioned of the projection information input window image 203 projected by the projector 13 to the outside. Each edge of the input button image 204 (the horizontal width W and the vertical length L of the edge) is sensed. In addition, the touch position recognizing unit 15 recognizes a user's touch area among the projection information input window image 203. In particular, the projection image recognition unit 14 and the touch position recognition unit 15 may perform a function in one same optical sensor, for example, a single infrared sensor.

The command generator 16 checks which of the occupied areas of the plurality of projection input button images 204 is located by the user's touch area recognized by the touch position recognition unit 15, and then inputs the input button image 202 to the input button image 202. Create an assigned input command. The function determination unit 17 executes the input command generated by the command generation unit 16.

Therefore, when the information input window image selected by the information input window image selection unit 12 is a character input window image, search for information in the e-book device 10 by inputting letters such as Korean and English, or the number input window image. In this case, a number may be input or an operation may be performed on the input number. In the case of the page turning window image of the e-book, the function may move to the next or previous page of the displayed e-book.

Figure 3a is a front view of the e-book device having a projection input device according to an embodiment of the present invention, Figure 3b is a rear view of the e-book device having a projection input device, Figure 4 is a projection input according to an embodiment of the present invention 5 is a perspective view of an e-book device having a projection input device equipped with a detachable screen plate according to an embodiment of the present invention.

1 to 5, the e-book device 10 includes a display unit 20 installed on the front surface, a projector 13 for irradiating laser light from the e-book device 10, and a selection button for selecting an image of an information input window ( 30), the infrared sensor 40, 50, it may be configured to include a cradle 70 is fastened to the hinge 60 on the back of the e-book device 10.

The display unit 20 provides a function of displaying information of the e-book device 10, that is, e-book content mounted on the e-book device 10.

One side of the eBook device 10, for example, as shown in the figure, a projector 13 for irradiating a laser beam is provided in the upper center of the display unit 20.

First, as shown in Figure 3, the cradle 70 is rotatably fastened by the hinge 60 to the rear of the e-book device 10 to maintain the e-book device 10 at a predetermined inclined height relative to the floor surface. ).

In a state where the eBook device 10 is mounted using the holder 70, the user presses the selection button 30 to select the desired information input window image 201. The image input window image has various forms such as a character input window image for inputting characters such as Korean and English, a number input image for inputting numbers, and a page turning window image for turning pages in e-books. It can be implemented as an information input window.

The information input window image 201 selected through the selection button 30 is projected onto the bottom surface 200 through the projector 13. In this case, the projector 13 may irradiate the input information window image 201 selected by the monochromatic laser light, and irradiate the input information window image 201 with the laser light of different colors and wavelengths, for example, color. The monochromatic or colored laser light may be selected according to the selected image.

The infrared sensors 40 and 50 provided on the left and right sides of the projector 13 respectively detect infrared light reflected by irradiating infrared rays onto the information input window image 100 projected on the bottom surface 200. When the user touches any one of the plurality of projection input button images 204 formed on the projection information input window image 203 projected on the bottom surface 200 to input information, using a hand or a finger, each infrared sensor 40 and 50 sense the position of the area with respect to the touched projection input button image 204 to determine which of the occupied areas of the projection input button image 204 is located.

In this case, by combining the area detected by the infrared sensor 40 and the area detected by the infrared sensor 50, it is possible to accurately determine which projection input button image the user has touched. In the present invention, two infrared sensors 40 and 50 are used to detect the position of the area of the touched input button image, but the number of infrared sensors may be increased for accurate position detection. In addition to the infrared sensor, other optical sensors can be applied.

The e-book device 10 executes an input command assigned to the input button image 202 based on the position area detected by the infrared sensors 40 and 50. Therefore, when the information input window image selected by the information input window image selection unit 12 is a character input window image, search for information in the e-book device 10 by inputting letters such as Korean and English, or the number input window image. In this case, a number may be input or an operation may be performed on the input number. In the case of the page turning window image of the e-book, the function may move to the next or previous page of the displayed e-book.

In addition, as shown in FIG. 5, when the e-book device 10 is equipped with a detachable screen plate 300 on one side of the main body, for example, the bottom of the main body of the e-book device 10, information irradiated from the projector 13 is irradiated. The input window image 201 is projected onto the screen plate 300 as the projection information input window image 203.

In particular, when the screen plate 300 is mounted on the e-book device 10, the e-book device 10 detects that the screen plate 300 is mounted and automatically displays an information input window image 201 on the screen plate 300. ) Is projected to project as the projection information input window image 203. After the screen plate 300 is removed, the e-book device 10 detects the information input window image 201 from the projector 13, that is, the projection operation of the projection information input window image 203 is performed. Is stopped.

Therefore, even when the user is moving or there is no space to properly project, difficulty in implementing the information input window image 201 of the e-book device 10 as the projection information input window image 203 does not occur.

In particular, the information input window image implemented for information input in the e-book device of the present invention is to determine the position where the user's hand or finger is indicated by the infrared sensor, so that information can be input without applying physical force. Although not shown, the screen plate can be stored in the interior of the e-book device in a sliding manner with a thin thickness.

As described above, the e-book device having the projection input device according to the present invention may be lighter and more portable than the case having a separate physical input means by using an image irradiated through the projector as an input means. Accurate and easy input of information by detecting only the user's motion (touch), while providing a variety of input window images by providing all input window images in a limited area, providing accurate input button images Can be done. In particular, a removable screen plate is provided so that a user can input information through an input window image projected on the screen plate while moving.

Although the contents of the present invention have been described with reference to one embodiment shown in the drawings, this is merely exemplary, and those skilled in the art may realize various modifications and other equivalent embodiments therefrom. I will understand. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims.

10: eBook device 11: information input window image storage unit
12: Information input window image selector 13: Projector
14: projection image recognition unit 15: touch position recognition unit
16: Command generating unit 17: Function determining unit
20: display unit 30: selection button
40, 50: infrared sensor 60: hinge
70: holder 201: information input window image
202: button image 203: projection information input window image
204: Projection input button image 300: Screen plate

Claims (8)

An information input window image storage unit partitioned into a plurality of areas and storing at least one information input window image including a plurality of input button images respectively corresponding to the partitioned areas;
An information input window image selecting unit for selecting any one of at least one information input window image stored in the information input window image storage unit;
A projector configured to project the information input window image selected by the information input window image selection unit to a projection information input window image to the outside;
A projection image recognizing unit for recognizing occupied areas of a plurality of partitioned projection input button images of the projection information input window image projected by the projector;
A touch position recognition unit recognizing a touch area in the projection information input window image;
A command generation unit for generating an input command allocated to the input button image by checking which of the plurality of areas of the projection input button image is occupied by the touch area recognized by the touch position recognizing unit; And
And a function determination unit that executes the input command generated by the command generation unit.
The method of claim 1,
The information input window image is an e-book device having a projection input device, characterized in that any one of a character input window image for inputting letters, a number input window image for inputting numbers or a page turning window image of the e-book.
The method of claim 1,
And the projection image recognizing unit detects each edge of the projected input button image to recognize the occupied area of the projection input button image.
The method of claim 1,
And the projector is provided with a projection input device characterized in that for irradiating the information input window image with a single laser light including a single color.
The method of claim 1,
And the projector irradiates the input information window image with a color laser light including at least one color.
The method of claim 1, wherein the e-book device,
Is fastened to the rear of the main body of the eBook device by a hinge, the cradle for maintaining a predetermined inclined height relative to the floor surface on which the eBook device is placed;
And the projection information input window image is projected onto the bottom surface while the e-book device maintains a predetermined inclined height.
The method of claim 1, wherein the e-book device,
Further comprising: a detachable screen plate on one side of the main body of the e-book device,
And a projection input device, wherein the projection information input window image is projected onto the screen plate.
The method of claim 7, wherein
When the screen plate is mounted on the eBook device, the eBook device detects that the screen plate is mounted and automatically projects the projection information input window image onto the screen plate.
And a projection input device to stop the projection of the projection information input window image when the mounted screen plate is removed.
KR1020100073824A 2010-07-30 2010-07-30 E-book apparatus comprising projection-type input device KR20120012007A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020100073824A KR20120012007A (en) 2010-07-30 2010-07-30 E-book apparatus comprising projection-type input device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100073824A KR20120012007A (en) 2010-07-30 2010-07-30 E-book apparatus comprising projection-type input device

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KR20120012007A true KR20120012007A (en) 2012-02-09

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