KR20060032498A - Book scanner - Google Patents

Abstract

The present invention relates to a scanner for a book, which is installed on the base plate 100, the pedestal 120 and the bottom surface of the pedestal 120 and the book 1 is seated so as to face upward to the scanning surface It is installed between the base plate 100, the horizontal adjustment means 110 for adjusting the height of the pedestal 120 so that the left and right sides of the open book 1 is in a horizontal state, and the scanning surface of the book 1 In order to closely contact or space the transparent window 135 through which light can pass, the window frame 130 rotatably installed around the rotating shaft 137 installed on the base plate 100 and the window 135 An illumination unit 200 for irradiating light toward the scanning surface of the book 1, a camera 300 for photographing the scanning surface of the book 1 irradiated with the light of the illumination unit 200, an illumination unit 200, and a camera To move the 300 along the scanning surface of the book (1) from the upper side of the window (135) It comprises a transmitter means 400. Therefore, by installing a lighting unit and a camera that can be transported along the upper surface of the scanning surface to scan the document bound in the optimum conditions, the fatigue of the operator due to the heat generated in the conventional lighting unit is reduced, the illumination uniformity This makes it possible to scan clearly.

Description

Book scanner only {BOOK SCANNER}

1 and 2 are front views of a conventional book scanner,

3 is a perspective view of a first embodiment of a book-only scanner according to the present invention;

4 is a plan view of a first embodiment of a book-only scanner according to the present invention;

5 is a front view of a first embodiment of a book-only scanner according to the present invention;

6 is a side view of a first embodiment of a book-only scanner according to the present invention;

7 is a perspective view of a second embodiment of a book-only scanner according to the present invention;

8 is a plan view of a second embodiment of a book-only scanner according to the present invention;

9 is a front view of a second embodiment of a book-only scanner according to the present invention;

10 is a side view of a second embodiment of a book-only scanner according to the present invention.

<Description of Symbols for Main Parts of Drawings>

100: base plate 101: vertical column

110: horizontal adjustment means 111: rotary knob

112: lead screw 113: nut housing

114: link bar 115: the horizontal axis

116: holder 117: horizontal axis

118, 134: coil spring 120: pedestal                 

112: spacing area 130: window frame

131: guide rail 132: rotary pin

133: holder plate 135: window

136: shock absorbing means 137: rotating shaft

138: bearing 200: lighting unit

210: light source 220: condenser lens

300: camera 400, 500: transfer means

410: upper case 411, 412, 413: first, second, third reflector

420: lower case 430: drive unit

431, 521, 541: servomotors 432, 522, 542: first pulley

433, 523, 543: pulley 434, 524, 544: second pulley

510: Casing 520, 540: First and second drive unit

530: vertical post 532: horizontal post

The present invention relates to a book-only scanner, and more particularly, to a book-only scanner that can be transported the illumination unit and the camera along the scanning surface to enable scanning of the document bound in the optimum conditions.

In general, a scanner is a device that converts photos, documents, drawings, etc. into digital form. In other words, the scanner, which is an input device for accepting pictures or photos in the form of image data, can be saved as a file by scanning and inputting the desired pictures, photos, texts, etc. There is an advantage that can be read easily by using a scanner without having to input through a lot of applications in many fields.

Such a conventional scanner has no problem in scanning a single document, but when the book is bound, the bookbinding part of the book is not completely in contact with each other, so that a letter or a picture near the bookbinding part is black or not scanned. There were a lot.

In order to solve such a problem, a book-only scanner has recently been proposed.

1 and 2 illustrate a book-only scanner that is conventionally presented, first, in FIG. 1, a glass plate 10 that is opened and closed about one end and a book 1 that is in close contact with the glass plate 10 are bound. A pedestal 12 to be seated, a horizontal adjusting part 14 for adjusting the height of the pedestal 12, a case 15 including the horizontal adjusting part 14 therein, and a rear side of the case 15 vertically It consists of a vertical frame 16, a camera 17 is installed on the upper surface of the vertical frame 16, and the illumination unit 18 is installed on both sides of the camera 17.

The scanning operation is mounted on the pedestal 12 with the glass plate 10 lifted up so that the scanning surface of the book 1 faces upward, and then the glass plate 10 is lowered and brought into close contact with the scanning surface of the book 1.                         

When the lighting unit 18 on the vertical frame 16 illuminates the scanning surface of the book 1 in the above state, the camera 17 photographs and scans.

On the other hand, Figure 2 is a structure similar to that of Figure 1, the lighting unit 18a facing downwards is provided on both sides of the middle of the vertical frame 16, the lighting unit 18a on both sides of the scanning surface of the book (1). Will be.

By the way, the conventional book-specific scanners as described above has the advantage that the camera 17 and the illumination unit 18, 18a can be set at various angles, high brightness fall illumination method from the illumination unit 18 (18a) on both sides. As a result, the worker's fatigue due to heat generation is increased, and the lighting units 18 and 18a are spaced apart from the scanning surface at a considerable distance so that the illumination toward the scanning surface is not uniform. Therefore, there was a problem that clear scanning is difficult to achieve.

The present invention has been made to solve the above-described drawbacks, reduce the fatigue of the operator due to the heat generated in the lighting unit, and aims to provide a book-only scanner capable of clear scan by the uniformity of illumination.

The present invention for achieving the above object is, in a scanner for a book, provided on the base plate, between the base and the bottom of the base and the base plate seated so that the book is to face upward to the surface to be scanned A horizontal adjusting means for adjusting the height of the pedestal so that the left and right sides of the open book are in a horizontal state, and a rotating shaft installed on the base plate to closely contact or space the transparent window through which light can pass through the scanning surface of the book. A window frame rotatably installed at the center, an illumination unit for irradiating light toward the scanning surface of the book in close contact with the window, a camera for photographing the scanning surface of the book irradiated with the light, and an illumination unit and the camera It provides a book-only scanner including a conveying means for conveying along the scanning surface of the book from the upper side.

The above objects and various advantages of the present invention will become more apparent from the preferred embodiments of the invention described below with reference to the accompanying drawings by those skilled in the art.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

3 is a perspective view of a first embodiment of a book-only scanner according to the present invention, FIG. 4 is a plan view of a first embodiment of a book-only scanner according to the present invention, and FIG. 5 is a first embodiment of a book-only scanner according to the present invention. 6 is a side view of a first embodiment of a book-only scanner according to the present invention, FIG. 7 is a perspective view of a second embodiment of a book-only scanner according to the present invention, and FIG. 8 is a book-only scanner according to the present invention. 9 is a front view of a second embodiment of a book-only scanner according to the present invention, and FIG. 10 is a side view of a second embodiment of a book-only scanner according to the present invention.

The first embodiment of the book-only scanner shown in Figures 3 to 6, by the base plate 100, the horizontal adjusting means 110 is installed on the base plate 100, the horizontal adjusting means 110 A pedestal 120 is horizontally adjusted and the book 1 is seated, a window frame 130 to closely or spaced apart the window 135 on the scanning surface of the book 1 seated on the pedestal 120, the window frame An illumination unit 200 for irradiating light toward the scanning surface of the book 1 in close contact with the 130, a camera 300 for photographing the scanning surface of the book 1 irradiated with light, an illumination unit 200, The camera 300 is largely composed of a conveying means 400 for conveying along the scanning surface of the book 1 on the upper side of the window 135.

Here, the pedestal 120 on which the book 1 is to be placed facing upward to face the scanning surface is to be seated on the left and right sides of the book 1 in a rectangular plate shape larger than that of the general book 1. The two are separated by left and right so as to be spaced apart.

Accordingly, when the book 1 is seated, the bookbinding unit is seated in the space between the two pedestals 120 and the pedestals 120 separated at the same time are horizontally organically moved by the horizontal adjusting means 110 to be described later. Can be maintained in a horizontal state.

And the horizontal adjusting means 110 for adjusting the height of the pedestal 120 so that the left and right sides of the book 1 spread out between the bottom of the pedestal 120 and the base plate 100 is in a horizontal state, the main body case 102 ) Is installed inside.

Horizontal adjusting means 110 is a rotary knob 111 protruding to the outside of the main body case 102, the lead screw 112 is rotated in connection with the rotary knob 111, and moves along the lead screw 112 The nut housing 113 is fastened. And the link bar 114 is coupled to the upper side of the nut housing 113, the link bar 114 is installed, the horizontal axis 115 is installed in the orthogonal direction to the link bar 114, the horizontal axis as a seesaw based on the link bar 114 115 is rotated, the horizontal axis 115 is connected to the horizontal axis 117 connected from each pedestal 120 is installed.

In addition, the horizontal adjusting means 110 has one end spaced between the pedestals 120 so that the pedestal 120 is opened and retracted from the center of the book 1 according to the thickness of the bookbinding part of the book 1. The coil spring 118 is fixed to the holder 122 and the other end is installed on the holder 116 is further included.

And two vertical pillars 101 are installed on the rear side of the base plate 100, the rotary shaft 132 is installed between the vertical pillars 101, the rectangular window rotatable on the rotary shaft 132 The frame 130 is installed via the bearing 138.

Here, the guide rails 131 are formed on both sides of the window frame 130 along the length direction, and the rotating pins 132 are rotatably inserted into the centers of both inner sides thereof, and one surface of the rotating pins 132 is provided. The holder plate 133 to be inserted and coupled is installed, and the window 135 is inserted into the holder plate 133.

The window 135 is a transparent material through which light may pass through the scanning surface when the window 135 is in close contact with the book 1, and a glass material is preferably used.

In addition, coil springs 134 having one side fixed thereto are further provided at both ends of the holder plate 133, and the window 135 can be pitch-rotated in a close contact with the window 135.

In addition, the rear end of the window frame 130 is provided with a shock absorbing means 136 that can mitigate the impact during the rotation opening and closing operation of the window frame 130.

As the shock absorbing means 136, a gas spring for changing the load on the rod is used when the sealed storage tube is filled with oil and compressed nitrogen gas to reciprocate by pressing the protruding rod.

In addition, the conveying means 400 capable of transferring the lighting unit 200 and the camera 300 along the scanning surface of the book 1 includes an upper case 410, a lower case 420, and a driving unit 430. Lose.

Inside the upper case 410, the camera 300 is installed in a horizontal direction, and the first, second, and third reflecting mirrors face each other to form an image scanning surface in an orthogonal direction on the horizontally installed camera 300. 411, 412, and 413 are installed.

 The lower case 420 is integrally connected to the lower end of the upper case 410 and is transferred along the guide rail 131 formed on the outer surface of the window frame 130. The lower case 420 is installed inside the lower case 420. The lighting unit 200 facing the scanning surface of the book 1 is installed.

Here, the lighting unit 200 includes a light source 210 and a condenser lens 220 installed at the front end of the light source 210.

Meanwhile, the driving unit 430 capable of moving the lower case 420 forward and backward along the scanning surface of the book 1 may include a servo motor 431 installed under one side of the window frame 130 and a servo motor ( And a first pulley 432 connected to and driven by the 431, and a second pulley 434 connected to and driven by the first pulley 432 and the belt 433. 420 is connected to achieve the transfer.

In addition, the second embodiment of the book-only scanner shown in FIGS. 7 to 10 is similar in structure to the first embodiment, but differs in structure for transporting the lighting unit 200 and the camera 300. Therefore, the description of the same structure will be omitted, and only the transfer means 500 having a different transfer structure will be described.

The conveying means 500 of the second embodiment is installed to be transported along the guide rail 131 formed on the outer surface of the window frame 130, the lighting unit 200 facing the scanning surface of the book 1 therein The case 510 is positioned, the first driving unit 520 for transferring the case 510, the vertical post 530 installed on the base plate 100, and one end of the vertical post 530 are integrally connected. The horizontal post 532, the camera 300 is moved forward and backward along the horizontal post 532, and the second drive unit 540 for transferring the camera 300.

The first driver 520 may include a servo motor 521 installed under one side of the window frame 130, a first pulley 522 connected to the servo motor 521, and a first pulley 522. It is composed of a second pulley 524 is connected to the belt 523 is driven, the case 510 is connected to achieve a transfer on the belt 523, the second drive unit 540 of the horizontal post 532 A servo motor 541 installed on one side, a first pulley 542 connected to the servo motor 541, and a second pulley 544 connected and driven by the first pulley 542 and the belt 543. It is composed of, one end of the camera 300 is connected to the belt 543 is transferred.

Therefore, the case 510 and the camera 300 including the lighting unit 200 are each provided with a driving unit, but the transfer is made on the same vertical line.

Referring to the operation of the book-only scanner according to the present invention configured as described above are as follows.

First, referring to FIG. 6, the first embodiment needs adjustment of the overall height of the pedestal 120 according to the overall thickness of the book 1 for scanning.

Therefore, when the user grasps and rotates the rotary knob 111 of the horizontal adjusting means 110, the nut housing 113 is moved forward and backward along the lead screw 112, and the link bar 114 is coupled to the link bar 114. By adjusting the height of the pedestal 120 while the horizontal axis 115 is raised or lowered.

Both bottom surfaces of the book 1 are seated on each pedestal 120 whose height is adjusted so that the scanning surface of the book 1 faces upward.

The book 1 is seated and at the same time the horizontal axis 117 connected to the pedestal 120 is aligned with the thickness of the left and right sides of the book 1 according to the seesaw action of the horizontal axis 115 so that the unfolded scanning surface of the book 1 is horizontal. Will be achieved.

In addition, when the book 1 is seated, the booklet is seated between the pedestals 120, while compressing the coil spring 118 connected to the spacing holder 122 and the fixing table 116 according to the thickness of the booklet. Each pedestal 120 is opened to the left and right as much as the thickness of the bookbinding unit, and the pedestal 120 forms the original position by the restoring force of the coil spring 118 when the book 1 is released from the pedestal 120.

As described above, the window 135 of the window frame 130, which is smoothly rotated using the bearing 138 of the rotating shaft 137 in the state where the book 1 is seated on the pedestal 120, is in close contact with the scanning surface of the book 1 Let's go.

At this time, the window 135 is rotated by the rotation pin 132 coupled to the holder plate 133, the pitch of the window 135 can be rotated in a close contact with the book 1, the pitch rotation is horizontal After this, the restoration is performed by the coil spring 134.

The scan is performed by the transfer of the transfer means 400 in a state where the window 135 of the window frame 130 is in close contact with the scanning surface of the book 1.

The first pulley 432 is driven by the power supply of the servomotor 431, and the first pulley 432 drives the belt 433 and the second pulley 434. The lower case 420 connected to the belt 433 is transferred along the guide rail 131 of the window frame 130 like the upper case 410.

The upper and lower cases 410 and 420 are moved from one side to the other side along the scanning surface, and the light source 210 and the condenser lens 220 are directed toward the scanning surface in the lighting unit 200 inside the lower case 420. ), And the camera 300 of the upper case 410 photographs through the first, second, and third reflectors 411, 412, 413 for imaging of the scanning surface in the orthogonal direction. do.

Shooting of the camera 300 is performed continuously along the scanning surface.

When the scan operation of the camera 300 is completed, the user lifts the window frame 130 and turns over the next side of the book 1 to expose another scan surface, and then lowers the window frame 130 again to the window 135. Close to the scanning surface and the above scanning operation is performed.

At this time, the impact due to the continuous rotation of the window frame 130 is prevented by the impact absorbing means 136.

Meanwhile, referring to FIG. 10, the transfer means 500 of the second embodiment is as follows.

The case 510 coupled to the belt 523 of the first drive unit 520 is transferred while the scanning surface of the book 1 is in close contact with the window 135 of the window frame 130, and the case 510 The lighting unit 200 is irradiated with light toward the scanning surface.

At the same time, the camera 300 moves along the horizontal post 532 by the second driving unit 540 and photographs along the scanning surface to which light is irradiated.

At this time, the lighting unit 200 and the camera 300 have a separate driving unit, but are transported at the same speed by precise control of the servomotors 521 and 541 on the same vertical line.

In this way, the scanning unit 200 and the camera 300, which are transported along the near upper surface of the scanning surface of the book 1, enable scanning under optimum conditions.

In the above description, it should be understood that those skilled in the art can make modifications and changes to the present invention without changing the gist of the present invention as merely illustrative of a preferred embodiment of the present invention.

As described above, the book-only scanner according to the present invention provides a conventional lighting unit by providing an illumination unit and a camera that can be transported along a near upper surface of the scanning surface to enable scanning of the bound document under optimum conditions. The fatigue of the operator due to the generated heat is reduced, and the uniformity of illuminance enables a clear scan.

Claims (13)

In the scanner for books only, A pedestal mounted on a base plate and seated so that the book faces the surface to be scanned upward; A horizontal adjusting means installed between the bottom of the pedestal and the base plate to adjust the height of the pedestal so that the left and right sides of the open book are in a horizontal state; A window frame rotatably installed about an axis of rotation installed in the base plate to closely contact or space the transparent window through which light may pass through the scanning surface of the book; An illumination unit irradiating light toward the scanning surface of the book in close contact with the window; A camera for photographing the scanning surface of the book to which the light of the illumination unit is irradiated; Transfer means for transferring the lighting unit and the camera along the scanning surface of the book from the upper side of the window, Book only scanner included. The method of claim 1, The pedestal, The left and right sides of the book are separated and formed to be spaced apart from the left and right so as to be respectively seated, and when the book is seated, a bookbinding part is seated between the pedestals, and the separated pedestals are horizontally moved with each other organically. The book-only scanner, characterized in that the level of the book can be maintained. The method of claim 1, The horizontal adjustment means, According to the thickness of the bookbinding portion of the book, the pedestal is opened based on the center, and one end is fixed to the spacing support of the pedestal, the other end is characterized in that it further comprises a coil spring installed on the pedestal Book only scanner. The method of claim 1, The window frame, Book only scanner, characterized in that coupled to the rotating shaft via a bearing. The method of claim 1, The window frame, Book rearing scanner further comprises a shock absorbing means to mitigate the impact of the window frame rotational opening and closing operation at the rear end. The method of claim 5, wherein The shock absorbing means is a book-only scanner, characterized in that the gas spring is used. The method of claim 1, Rotating rotary pin is installed on the inner surface of the window frame, One side is inserted into the rotary pin, the holder plate is inserted into the other end of the window is installed, Coil springs are further installed at both ends of the holder plate, The book-only scanner which makes the said window pivot possible according to the order which the window adhere | attached. The method of claim 1, The transfer means, An upper case installed inside the camera and a plurality of reflectors; A lower case which is integrally connected to a lower end of the upper case and is installed to be transported along a guide rail formed on an outer surface of the window frame, and in which the lighting unit is located toward the scanning surface of the book; As the driving unit for moving the lower case forward, backward along the scanning surface of the book, Book only scanner, characterized in that configured. The method of claim 8, The camera located inside the upper case is installed in a horizontal direction, and the first, second, and third reflecting mirrors facing each other are installed to form a scanning surface in an orthogonal direction on the horizontally installed camera. The scanner for exclusive use of the book. The method of claim 1, The transfer means, A case which is installed to be transported along a guide rail formed on an outer surface of the window frame, and in which the lighting unit facing the scanning surface of the book is located; A first drive unit for transferring the case; A vertical post installed on the base plate; A horizontal post integrally connected to one end of the vertical post, A camera which is transported forward and backward along the horizontal post, As a second drive unit for transferring the camera, Book only scanner, characterized in that configured. The method of claim 10, The case and the camera including the lighting unit is a book-only scanner, characterized in that transported on the same vertical line. The method according to claim 8 or 10, The driving unit, Servo motor, A first pulley driven by the servo motor, A second pulley driven by being connected to the first pulley and a belt; Book only scanner, characterized in that configured. The method of claim 1, The illumination unit, a book-only scanner, characterized in that a light condenser lens is provided in front of the light source and the light source.

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