JPH09233260A - Image input device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To receive information of an image independently of a type and a size of an object by configuring an object guide main body and a carrying optical system main body as separably and adjusting a focal point corresponding to a size of an image resulting from picking up the object. SOLUTION: An insert port 5 to contain a film carrier 2 is provided to a side face of the image input device 1 in its lengthwise direction. Then the device 1 is separated vertically for the operating state and the upper part is a carrier optical system main body 6 and the lower part is an object guide main body 17. A carrier section 8 acts like a drive mechanism moving the film carrier 2 or a drive mechanism to allow the device itself to be run itself on rails to receive an object of a size A4, for example, depending on the operating state of the image input device. An image adjustment section consisting of a lens with a moving mechanism adjusts a focal position on an optical axis corresponding to a size of the image resulting from picking up the object.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image input device, and more particularly to an image input device capable of inputting an image on an information medium which is a printed matter of a film size to about A4 size by using transmitted light or reflected light. Regarding

[0002]

2. Description of the Related Art As a conventional image input device, there is known a film scanner which captures information recorded on a film, for example, a 35 mm film, using transmitted light.

A film scanner transmits light from a light source through a film in which information such as characters and drawings is reduced in high density and stored, and the transmitted light is received by a CCD (solid-state image sensor) sensor.

The CCD sensor is constructed by arranging a large number of CCDs in a matrix, and each CCD converts incident light into an electric signal according to the position of the matrix.
The output of the CCD is sequentially output to the A / D converter and converted into a digital signal, then stored in the memory and displayed on a monitor or the like.

By the way, an image scanner is widely used as an image input device for displaying information such as characters and drawings on a printed matter on a monitor. The image scanner receives the reflected light from the surface of the printed matter with a CCD sensor. The output from the CCD sensor is processed in substantially the same manner as the film scanner and displayed on a monitor or the like.

[0006]

However, the film scanner receives the light transmitted through the film and inputs the information, whereas the image scanner receives the reflected light reflected from the printed matter and inputs the information. The reading method is different between the film and the printed matter. Further, the size of the film to be input and the printed matter are different. Therefore, the film scanner and the image scanner are limited to single functions and are used as dedicated machines.

Further, both the film scanner and the image scanner are large in size, which is inconvenient to carry.

In particular, recently, a system for rapidly inputting images of various objects to be input, reading the images on a monitor such as a personal computer and using the images has been rapidly developed. In such a system, there is a demand for a small-sized and easy-to-operate image input device that can read image information of a subject regardless of the type and size of a film or printed matter that is an input target.

Therefore, the present invention has a problem in an image input apparatus capable of inputting information regardless of the type and size of an object to be input.

[0010]

In order to solve the above-mentioned problems, an image input apparatus according to the present invention comprises a conveying section provided with a driving roller and a driven roller for moving the object itself, and an object moving by the conveying section. Object guide provided with a conveyance optical system main body composed of an image pickup section for taking the image of the image, and a driven roller which is configured to be separable from the conveyance optical system main body and which moves the subject by being sandwiched by the drive roller of the conveyance section An image input device including a main body, wherein an image adjusting unit for adjusting a focus position corresponding to the size of an image of the subject is provided on the optical axis of the image captured by the image capturing unit. Yes, the transport optical system main body removes the subject guide main body, and moves the transport optical system main body itself on the rail of the stand by the drive roller and the driven roller of the transport unit. Is that which is adapted Komu take an image of the object.

According to the above construction, the image of the subject captured by the image pickup section can be focused by adjusting the image of the transport optical system body by the image adjusting section which is appropriately constituted by the lens system. You will be able to capture images accurately.

Further, since the main body of the conveying optical system is moved on the rails of the stand, it is possible to increase the degree of freedom of the size of the object, and even for a large object, for example, A4 size. You will be able to accurately focus on the shot.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION An image input device according to the present invention and a usage pattern thereof will be described below with reference to the drawings.

The image input device 1 of the first embodiment according to the present invention is, as shown in FIG. 1, formed into a substantially rectangular parallelepiped, and an insertion opening 5 for accommodating a film carrier 2 on the side surface in the longitudinal direction thereof.
Is provided. The upper and lower parts are constituted by the transport optical system main body 6 and the lower part by the subject guide main body 17, respectively. The film carrier 2 has a structure in which a 35 mm film 4 is housed in a film folder 3 formed in a square mold. This film carrier 2
As a matter of course, the film may be continuously formed or may have a single structure, and is not limited to the 35 mm film.

As shown in FIGS. 1 and 2, the transport optical system main body 6 has a lens moving knob 7 formed in a rectangular parallelepiped shape for moving the lens, and a bottom portion cut out to both ends in the longitudinal direction. It has a structure in which a transport unit 8 having a recess having a predetermined width in which the film carrier 2 can be stored is provided.

The transport section 8 has first, second, and third long-axis rollers 9, 11, 1 axially supported parallel to both side walls of the recess.
2 are arranged in parallel, and the first roller 9 is arranged in parallel in the vicinity of the first roller 9.
The lighting unit 13 has a structure. This transport section 8
Functions as a drive mechanism for moving the film carrier 2 depending on the usage state of the image input device, or as a drive mechanism for moving the device itself on a rail to capture an A4 size subject, for example.

The first roller 9 is connected to the motor 10 and serves as a driving roller for moving the film carrier 2 to be inserted.

The second roller 11 is a so-called driven roller, and as shown in FIG. 3, together with the first roller 9,
The structure is such that the moving one film carrier 2 is arranged in such a positional relationship that it can hold the upper front and rear end portions of the film folder 3.

The third roller 12 is a driven roller similar to the second roller 11, and is used when the subject guide body 17 is removed from the transport optical system body 6 to move the transport optical system body 6 itself. It is a driven roller that doubles as a guide.

The first daylighting section 13 has a window structure that allows light rays to pass therethrough, and its positional relationship is between the first and second rollers 9 and 11 and moves in the rearward direction of the apparatus 1. The film carrier 2 is provided at a position where the image light rays of the film 4 can be transmitted, specifically between the first and second rollers 9 and 11 and at a position close to the first roller 9. The structure is located above the light source 22 provided in the subject guide main body 17, which will be described later. Therefore, when the film carrier 2 passes through the first daylighting section 13, it is possible to obtain an image in which the light rays of the film 4 irradiated by the light source 22 are transmitted.

Inside the transport optical system body 6, as shown in FIG. 3, a reflecting mirror 14 for reflecting the light beam from the first lighting section 13 in the direction of 90 degrees and a focus of the light beam from the reflecting mirror 14. The image adjustment unit 15 includes a lens with a moving mechanism that changes the distance, and an image pickup unit 16 formed of, for example, a CCD, which converts an image light beam passing through the lens into an electric signal.

Image adjusting unit 15 comprising a lens with a moving mechanism
Is for adjusting the focus position corresponding to the size of the image of the subject captured on the optical axis of the image captured by the imaging unit 16, and is provided on the knob 7 provided on the upper portion of the transport optical system main body 6.
It is possible to obtain a good screen by manually focusing the light beam input to the imaging unit 16. This adjustment may be done by looking at the monitor screen (not shown).
The structure is such that it can be set by moving the subject, in the embodiment, to a predetermined position for the film carrier 2.

The image pickup section 16 is composed of an image pickup element group such as a CCD and has a structure for converting a received image into an electric signal. Although not shown in the figure, it has a structure including a cable or the like for transmitting the obtained electric signal to an external device such as a monitor screen.

As shown in FIG. 2, the subject guide main body 17 is formed in a rectangular parallelepiped having substantially the same size as the transport optical system main body 6, and has a width for moving the film carrier 2 so as to face the transport section 8. It has a structure in which a film accommodating portion 18 including a concave portion cut out in a depth into which one film carrier 2 is inserted is provided.

The film accommodating portion 18 has a long axis fourth and fifth rollers 1 axially supported in parallel with both side wall surfaces formed in the recess.
9 and 20 are arranged in parallel, and a second light collecting portion 21 is provided in the vicinity of the fourth roller 19 in parallel, and a light source 22 is provided below the second light collecting portion 21. . This fourth
The fifth and fifth rollers 19 and 20 are long-axis cylindrical rollers similar to the first, second, and third rollers 9, 11, and 12.

The fourth roller 19 is provided at a position facing the first roller 9 which is a driving roller of the conveying optical system main body 6, and holds the film carrier 2 (see FIG. 1) in the depth direction. It is structured to move.

The fifth roller 20 is provided at a position facing the second roller 11 which is a driven roller of the transport optical system main body 6, and is located in the back direction sandwiched by the first and fourth rollers 9 and 19. The structure is such that the film carrier 2 moving in the direction of FIG.

It should be noted that a sensor and the like for detecting the insertion of the film carrier 2 into the film accommodating portion 18 and for detecting the movement of the film carrier 2 to an appropriate position, and operation buttons and the like are omitted.

The second lighting section 21 is provided at a position close to the fourth roller 19 and on the lower side of the film storage section 18.

The light source 22 is disposed below the film accommodating portion 18 on the lower side close to the second light collecting portion 21, and the first light collecting portion 1 of the assembled transport optical system body 6 is arranged.
The structure is in a positional relationship facing No. 3. Therefore, the light beam from the light source 22 is divided into the first and second rays as shown in FIG.
The structure is such that the direction is changed by the reflecting mirror 14 via the daylighting sections 13 and 21 and reaches the image pickup section 16.

When the conveying optical system main body 6 is assembled from the upper side of the subject guide main body 17 having such a structure, FIG.
As shown in FIG. 3, the image input device for the film carrier is completed, and the opening side of the transport unit 8 and the film storage unit 18 are completed.
It becomes an insertion port through which the film carrier 2 is inserted.

The image input device 1 for the film carrier thus completed can be used as a so-called film scanner as shown in FIG. 3. First, the lens system of the image adjusting section 15 is imaged by the knob 7. The part 16 is adjusted so that it is in focus. Then, when the film carrier 2 is inserted from the insertion opening 5, the film carrier 2 is held between the first and fourth rollers 9 and 19, and the film carrier 2 is housed in the back direction based on the rotation of the motor 10. At this time, the imaging unit 16 captures the image light rays of the film 4 that have transmitted the light rays of the light source 22.

Next, an image scanner for inputting an image larger than the image of the film carrier 2 or the like, for example, an A4 size image by combining the transport optical system main body 6 and a stand formed at a predetermined height from the subject. An apparatus that can be used as the above will be described.

That is, the image input device 1 for the image scanner
As shown in FIG. 4, FIG. 5, and FIG. 6, A is a transport optical system body 6 and a stand 23 on which the transport optical system body 6 is placed.
And the transport optical system body 6 is movable a predetermined distance from the subject.

The transport optical system main body 6 has been described above and will not be described. The stand 23 includes four bendable legs 2
4 and a mounting portion 25 supported by the legs 24.

The mounting portion 25 is formed in a rectangular shape, and rails 27 are provided on the inner peripheral edges of both ends along the longitudinal direction of a rectangular frame having a hollow window portion 26, and the mounting portion 2
The light source 29 for irradiating the subject 28 located below the reference numeral 5 is provided.

The interval between the rails 27 is formed so that the rail 27 can be fitted into the carrying section 8 which is a recess of the carrying optical system body 6.

When the carrying section 8 of the carrying optical system body 6 is mounted on the rail 27 of the stand 23 having such a structure so as to be fitted therein, the first, second, and third members formed on the long axis of the carrying section 8. The third rollers 9, 11, 12 are fitted to the rail 27, and the convex portion of the transport optical meter body 6 (not shown) that engages with the subject guide body 17 engages with the groove outside the rail 27 to guide the guide. It plays a role, and the transport optical system body 6 itself is the rail 2
It is possible to move by moving on top of 7.

Then, as shown in FIGS. 5 and 6, the first part of the conveying optical system main body 6 engaged with and mounted on the rail 27 is mounted.
The height H between the daylighting section 13 and the subject 28 is set in advance to a distance at which the subject 28 of A4 size can be moved and captured. Then, the captured image light beam is focused by the image adjusting unit 15 and captured by the image capturing unit 16.

Next, the image input device of the second embodiment will be described with reference to the drawings.

As shown in FIG. 7, the image input apparatus 1B of the second embodiment according to the present invention is formed into a substantially rectangular parallelepiped, and the film carrier 2A is formed on the side surface in the longitudinal direction thereof, as in the first embodiment. It has a structure with an insertion port for storing
The upper and lower parts are composed of the transport optical system body 6 and the lower part are composed of the subject guide body 17A. The film carrier 2A has a structure in which the film 4 is housed in a film folder 3 formed in a square frame, and usually has a structure formed continuously. This transport optical system main body 6 is the same as that of the first embodiment, so the same reference numerals are given and the description thereof is omitted.

The subject guide main body 17A is formed in a rectangular parallelepiped having substantially the same size as the transport optical system main body 6 shown in FIG. A film accommodating portion 18 including a notched concave portion,
A second daylighting section 21 for passing the light beam from the light source 22,
It is composed of a light source 22 provided at a lower position of the film storage unit 18, and a film guide unit 30 which is a recess extending in the film storage unit 18 and capable of moving the film carrier 2A and which is cut out to the side surface on the side opposite to the insertion port. Has been done. Here, except for the film guide portion 30, it is the same as the first embodiment, so the same reference numerals are given and the description thereof is omitted.

The film guide section 30 has a structure for guiding the film carrier 2A inserted into the film storage section 18 toward the rear side of the apparatus, and the recess is formed to be deeper than the thickness of the film carrier 2A. Has become.

When the transport optical system body 6 is placed from above the subject guide body 17A having such a structure, as shown in FIG.
As shown in FIG. 1, an image input device 1B for a film carrier
Is completed, the opening side of the transport section 8 and the opening side of the film accommodating section 18 become the insertion opening 5 for inserting the film carrier 2A, and the side wall on the opposite side of the insertion opening 5 slides in the film guide section 30. Then, a delivery port 31 for delivering the film carrier 2A is formed.

The image input device 1B for a film carrier thus completed can be used as a so-called film scanner as shown in FIG. 8. First, the image adjusting unit 15 is set in the image pickup unit 16 by the knob 7. Focus and adjust for proper light reception. Then, when the film carrier 2A is inserted from the insertion opening 5, the film carrier 2A is nipped by the first and fourth rollers 9 and 19, and the film carrier 2A moves in the back direction based on the rotation of the motor 10.
At this time, the imaging unit 16 captures the image light rays of the film 4 that have transmitted the light rays of the light source 22. Further, the film carrier 2A can be further moved in the depth direction by the rollers 9, 19 and 11, 20. In the case of the film carrier 2A including the continuous folders 3, the film carrier 2A is inserted from the insertion opening 5, It is structured so that the film guide portion 30 and the third roller 12 guide the film, take it out from the delivery port 31, and continuously take images.

It is needless to say that the main body 6 of the conveying optical system can be mounted on a stand 23 to form a so-called image scanner, as shown in FIG.

[0047]

As described above, the image input apparatus according to the present invention has a structure in which the main body of the conveying optical system, which is an optical system, and the main body of the subject guide are separable, and when the subject is a film, they are combined. Even if only one image pickup input device is used, it can be used for film scanners and image scanners by shooting in a state and shooting a subject of A4 size or the like by moving the transport optical system main body by itself. .

[Brief description of drawings]

FIG. 1 is an external view of a case where an image input device according to a first embodiment of the present invention is used as a film scanner.

FIG. 2 is a schematic perspective view showing a conveyance optical system main body and a subject guide main body which constitute the image input apparatus.

FIG. 3 is an explanatory diagram showing the image input device for the film scanner.

FIG. 4 is a schematic external view when the image input device is used as an image scanner.

FIG. 5 is a schematic side view when the image input device is used as an image scanner.

FIG. 6 is a schematic side view seen from the insertion opening direction when the image input device is used as an image scanner.

FIG. 7 is an explanatory view of a perspective view showing a conveyance optical system main body and a subject guide main body which constitute an image input apparatus of a second embodiment according to the present invention.

FIG. 8 is a schematic side view showing the image input device for the film scanner.

[Explanation of symbols]

1, 1A, 1B: image input device, 2, 2A: film carrier, 3: film holder, 4: film (35 m
m), 5: insertion port, 6: transport optical system main body, 7: lens moving knob, 8: transport unit, 9: first roller, 10: motor, 11: second roller, 12: third roller , 13:
1st daylighting part, 14: reflecting mirror, 15: image adjusting part, 1
6: Imaging unit, 17, 17A: Subject guide main body, 18:
Film storage section, 19: fourth roller, 20: fifth roller, 21: second lighting section, 22: light source, 23: stand, 24: leg, 25: mounting section, 26: window section, 27 : Rail, 28: subject, 29: light source, 30: film guide part, 31: delivery port

Claims (6)

[Claims] 1. A transport optical system main body comprising a transport section provided with a drive roller and a driven roller for moving the subject itself, an image pickup section for capturing an image of the subject moving by the transport section, and the transport optical system body. An image input device comprising a subject guide body that is configured to be separable from the subject, and that is provided with a driven roller that moves the subject while sandwiching it with a drive roller of the transport unit, and an optical axis of an image captured in the imaging unit. An image input device, comprising: an image adjusting unit for adjusting a focus position corresponding to the size of an image of the subject. 2. The image input device according to claim 1, wherein the subject is a film. 3. The image input device according to claim 1, wherein the subject guide body is provided with a light source for irradiating the subject with light. 4. The transport optical system main body is configured such that the subject guide main body is removed, and the transport optical system main body itself is self-propelled by the drive roller and the driven roller of the transport unit to capture an image of a subject. The image input device according to claim 1, wherein: 5. The drive roller and the driven roller of the transport section are adapted to engage with rails provided on a stand formed at a predetermined height from the subject to allow the transport optical system body itself to move. The image input device according to claim 4. 6. The image input device according to claim 5, wherein the stand is provided with a light source for irradiating the subject with light.