JPH09214830A - Film image input device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a device small in installation area, excellent in loading/ unloading and capable of simplifying optical design and preventing intrusion of dusts by arranging a lighting section, a film hold section, an image pickup optical system, and an image pickup section almost in line and selecting the direction of the arrangement nearly perpendicular to the film face. SOLUTION: A film insert port 2 to which a film carrier 3 containing a film 4 is inserted is provided to an end face at an upper position from the middle of a front face of a scanner main body. Then a light source 6 being a lighting section, the film carrier 3 after being inserted to the port, a mask 5, an image pickup optical system 8, an image pickup element 9 are arranged in line along their optical axis. Then the direction of the optical axis is selected perpendicular to the installation face of the device, that is, a desk top installation face 11a to which legs 11 are fixed. Furthermore, an insert direction D of the film carrier 3 into the insert port 2 is selected to be a direction nearly perpendicular to the direction of the optical axis and a direction in parallel with the desk top installation face 1b.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a film image input device, and more particularly to a film image input device for converting an image on a transparent original film into an electric image signal and outputting the electric image signal.

[0002]

2. Description of the Related Art As an example of a conventional film image input device, a film scanner 51 shown in a longitudinal sectional view of FIG. 7 is a casing and is a front end surface of a film scanner body 51a having legs 61 for installation. Is provided with a film insertion port 52, and has a structure in which the film 54 can be inserted and removed through the insertion port 52. The film 54 is inserted and removed while being held by the insertion film carrier 53.

A light source 5 is provided inside the scanner body 51a.
6, an optical system such as a mirror 57 and an imaging lens 58, and
The image sensor 59 is built in, and the light from the light source 56 is
By passing through the film 54, being reflected by the mirror 57, and passing through the taking lens 58, the image of the film 4 is formed on the taking element 59. The light that reaches the image sensor 59 is
It is converted into an electric signal and sent to the image processing circuit 60, converted into data in a form that can be handled by the computer 62, and output. A mask 55 is arranged in the optical path,
This prevents unnecessary light from reaching the image pickup device 59.

One of the features of the conventional film scanner 51 is that it is thin. Peripheral devices that are usually used in a state of being connected to a computer, such as the above film scanner, are installed near a computer or a keyboard 63 and used, as shown in a usage state diagram on a table of FIG. In the above film scanner and the like, in order to facilitate the insertion and removal of the film, the film insertion opening 52 of the scanner is used as close as possible to the computer, the keyboard 63, and the mouse that are constantly operated.

[0005]

As shown in FIG. 8 described above, the conventional film scanner 51 is thin, but
There is a problem that the arrangement area becomes large and it is easy to interfere with peripheral devices arranged around the arrangement area. Further, since the film insertion opening 52 and the keyboard 63 are located close to each other in height, the operability of inserting the film carrier 53 is deteriorated. Further, in the state shown in FIG. 8, since the dust 71 and the like in the room pours onto the tabletop 70, the dust 71 easily enters from the film insertion opening 52 which is not so far from the desk surface, and the performance of the internal optical members is deteriorated. It was

Further, in the conventional film scanner 1 as described above, it is necessary to bend the optical path in order to reduce the height of the scanner as shown in FIG. 7, which complicates the configuration and arrangement of the optical system. Was there. Therefore, (1) the cost is high. (2) Reliability decreases. (3) Basic performance is degraded. Had a problem. As described above, in the conventional example shown in FIG. 7, in order to have a stable shape, the operability is extremely poor, the device is vulnerable to dust and the like, and the cost and performance are deteriorated. There was a problem.

The present invention has been made in order to solve the above-mentioned problems, and in consideration of the arrangement of the film, the optical system, and the image pickup section, the dust is prevented from entering and the optical design is simplified to improve reliability. It is an object of the present invention to provide a film image input device that improves the film insertion property, improves the film insertion / removal property, and has a small arrangement area.

[0008]

According to a first aspect of the present invention, there is provided a film image input apparatus, wherein a film holding section for holding a transparent original film, an illuminating section for illuminating the film, and an image on the film are formed. In the film image input device having an image pickup optical system for converting the image into an electric image signal, the illumination unit, the film holding unit, the image pickup optical system, and the image pickup unit are substantially linear. And the arrangement is arranged in a direction substantially perpendicular to the film surface. In the present film image input device, the light transmitted through the transparent original film travels linearly, is captured as an image of the film by the imaging section via the imaging optical system, and is converted into an electrical image signal.

According to a second aspect of the present invention, there is provided a film image input device comprising: a film holding section for holding a transparent original film; an illuminating section for illuminating the film; and an image pickup optical system for forming an image on the film. A film image input device having an image pickup section for electrically converting this image into an image signal, a housing containing the illumination section, the film holding section, the photographing optical system, and the image pickup section; It has a film insertion opening provided in the housing, and a film is exchangeably inserted into and removed from the film holding section, and the illumination section, the film holding section, the imaging optical system, and
The image pickup units are arranged substantially linearly, and the insertion direction at the film insertion opening is substantially perpendicular to the linear direction of the arrangement. In this film image input device, the light transmitted through the transparent original film inserted from the direction orthogonal to the linearly arranged image pickup optical system and the image pickup section is transmitted to the image pickup section through the image pickup optical system. It is captured as a film image and converted into an electrical image signal.

A film image input device according to a third aspect of the present invention is the film image input device according to the second aspect, wherein the housing has a table top for installing, and the table top is the illumination. Section, the film holding section, the imaging optical system, and the imaging section are arranged substantially perpendicular to the straight line direction, and the film insertion opening is disposed above the center of the housing in the height direction. .

[0011]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a longitudinal sectional view of a film scanner which is a film image input device showing an embodiment of the invention. The film scanner 1 includes a scanner body 1a which is a rectangular parallelepiped housing, a film carrier 3 which is a film holding portion that can be inserted into and removed from the body 1a,
A light source 6 which is a member built in the main body 1a and which is an illumination unit for irradiating the transparent original film 4 which is a developed film, and an unnecessary light which is disposed on the lower optical path of the film carrier 3. Of light from the film 5 and the mask 5 for preventing the light from reaching the image pickup optical system.
Optical system 8 for forming a film image on the image forming plane of
And an image pickup element 9 which is an image pickup unit for converting the formed image into an electric signal, and an image processing circuit 10 for processing the electric signal and converting it into an image signal which can be handled by an external computer 12. It

A film insertion opening 2 for inserting and removing the film carrier 3 holding the film 4 is provided on the end surface of the front surface of the scanner body 1a above the center thereof. Furthermore, the tabletop installation surface 1 of the scanner body 1a
As the surface 1b, the surface having the smallest area is selected from the 6 surfaces forming the rectangular parallelepiped of the main body 1a.
A leg 11 is fixed to the. Strictly speaking, the bottom surface 11a of the leg 11 comes into contact with the table top surface 70 (see FIG. 3).

As shown in FIG. 1, the arrangement of the light source 6, the film carrier 3, the mask 5, the image pickup optical system 8 and the image pickup element 9 which are the respective constituent members of the above-described optical system built in the main body is as shown in FIG. They are arranged linearly along O. Then, the installation surface of the device, that is, the desktop installation surface 11 to which the legs 11 are fixed
The optical axis O direction is perpendicular to a. The insertion direction D of the film carrier 3 into the insertion opening 2 is a direction substantially perpendicular to the optical axis O direction,
It shall be inserted in a direction parallel to the desktop installation surface 1b.
The perspective view of FIG. 2 (A) shows that the scanner body 1a has the D
The state where the film carrier 3 is about to be inserted from the direction is shown.

As a modified example of the arrangement of the insertion port 2, the perspective view of FIG. 2B is a modified example in which the insertion port 2'on the upper side surface side of the scanner body 1a is arranged. In this case, the film carrier 3 is inserted from the insertion direction D'of FIG. This insertion direction D'is also a direction orthogonal to the optical axis O of each optical system member, and is parallel to the tabletop installation surface.

The image signal converting operation of the film image by the film scanner 1 of the present embodiment configured as described above will be described. First, the film carrier 3 having the developed film 4 mounted therein is inserted from the film insertion opening 2. To do. By illuminating the film 4 with the light source 6, the transmitted light is transmitted through the image pickup optical system 8 and the image of the film is formed on the image forming surface of the image pickup element 9. The image is converted into an electric signal by the image pickup device 9, and further, image processing is performed by the image processing circuit 10 and output as an image signal to the external computer 12.

In the present film scanner 1 in which the constituent members are arranged as described above, the film insertion opening 2 is arranged on the upper side of the main body 1a and along the horizontal direction, and the optical axis O of the optical system is set.
Is linear, the optical design is not unreasonable, the performance is high and the reliability is high, the optical member such as the reflection mirror is unnecessary, the structure is simple, and the arrangement area can be reduced.

Further, FIG. 3 is a view showing an actual use state when the above-mentioned film scanner 1 is installed on the tabletop 70, but the conventional film scanner 51 shown in FIG. 8 is used.
As compared with a device which is horizontal to the table top 70 but placed at a lower position, the film carrier 3 can be easily inserted without the key tops of the keyboard 63 being in the way. . Furthermore, since the film insertion opening 2 is located at a high position, the infiltration of dust 71 is reduced.

In the film scanner 1 of this embodiment, as shown in the vertical sectional view of FIG.
Can be attached to the insertion opening 2 and the opposite side thereof. The feeders 21 and 22 are feeders capable of accommodating a film 4'having a large number of frames that cannot be accommodated in the film carrier 3, and are a device for mounting a film scanner and feeding the film. That is.

Since the optional feeders 21 and 22 can be attached to the film insertion opening 2 and the rear side thereof as described above, it becomes possible to feed the film in one direction, and simplification of capturing a large number of film images. it can. In addition, the flatness of the film can be improved by applying an appropriate tension to the film 4'before and after the feeder.

Further, the film scanner 1 according to the present embodiment.
The main body 1a has a rectangular parallelepiped shape as described above. However, the main body 1a is not limited to the rectangular parallelepiped shape and may be a film scanner 31 having a scanner main body 31a having a cylindrical shape or an oblong cylindrical shape as shown in the perspective view of FIG. May be. In this case as well, the film insertion opening 32 is placed on the desktop mounting surface 3 in the film carrier insertion direction.
It is provided in a horizontal position with respect to 1b and at a high position of the main body 31a.

Further, a scanner 41 having a polygonal prism-shaped scanner body 41a as shown in FIG. 6 can be proposed as a modification. Also in the case of this scanner, the film insertion opening 42 is provided at a high position of the main body 41a in the horizontal direction with respect to the tabletop installation surface 41b. As the tabletop installation surface 41b, the smallest surface 45 among the six surfaces of the rectangular parallelepiped 45 which is a virtual solid including the scanner body 41a.
Match the b side.

In the film scanner 1 of the above embodiment, the destination of the converted image signal is the computer 12, but the device of the present invention is not limited to this, and is a television. It goes without saying that any device such as the above can be used as long as it can display or record the output signal from the image processing circuit 10.

(Supplementary Note) Based on the above-described embodiment, a film image input device having the following configuration can be proposed. That is, (1) a film holding portion that holds a transparent original film,
A film image input device comprising a light source section for illuminating the film, an image pickup optical system for forming an image on the film, and an image pickup section for converting the image into an electric image signal, wherein the light source section, the A film image input device, wherein the film holding unit, the imaging optical system, and the imaging unit are arranged in a substantially linear shape, and the arrangements thereof are arranged in a vertical direction. According to the film image input device, the operability is improved, the optical design can be simplified, and the reliability is improved.

(2) In the supplementary note (1), the film is insertable into and removable from the insertion opening, and the insertion direction is a direction substantially orthogonal to the straight line in the above-mentioned arrangement. . According to the film image input device, the operability for inserting and removing the film is improved.

(3) In the film image input device described in appendix (2), the film insertion opening is arranged at least above the center in the linear direction of the arrangement. According to the film image input device,
The operability of inserting and removing the film is good, and the infiltration of dust is small.

(4) In Supplementary Note (1), the light source section,
The film holding unit, the image pickup optical system, and the image pickup unit are built-in, and the outer shape has a three-dimensional housing if it has a plurality of surfaces, and the surface having the smallest area among the plurality of surfaces is a tabletop installation surface. A film image input device having the above-mentioned form. According to the film image input device, the installation area occupied by the device can be reduced.

(5) In Supplementary Note (1), the above light source section,
The film holding unit, the image pickup optical system, and the image pickup unit are built-in, and a casing having a rectangular parallelepiped shape having an outer shape of approximately 6 faces is provided, and the face having the smallest area among the 6 faces is a tabletop installation face A film image input device having the above-mentioned form. According to the film image input device, the installation area occupied by the device can be reduced.

(6) In Supplementary Note (1), the light source section,
The film holding section, the photographing optical system, and the imaging section are built-in, and the outer shape has a three-dimensional case made of a polyhedron, and the minimum area of a virtual rectangular parallelepiped containing the case is set as a tabletop installation surface. A film image input device having the above-mentioned form. According to the film image input device, the installation area occupied by the device can be reduced.

[0029]

As described above, the film image input apparatus according to claim 1 of the present invention is most suitable in the environment where a computer or the like is used, as compared with the conventional apparatus whose form is determined by the apparatus itself. Since the configuration is adopted, the operability is improved, the optical design can be simplified, and the reliability is improved.

According to the film image input apparatus of the second aspect of the present invention, since the arrangement of the optical systems is linear and the film insertion opening is provided in a direction substantially perpendicular to the linear direction, the film can be inserted and removed easily. It is easy and also simplifies the optical design. According to the film image input device of the third aspect of the present invention, by disposing the film insertion port in the upper part of the housing, the film inserting / removing property is improved, the infiltration of dust is reduced, and the reliability is improved. To do.

[Brief description of drawings]

FIG. 1 is a longitudinal sectional view of a film scanner which is a film image input device according to an embodiment of the present invention.

2A is a perspective view showing a state in which a film carrier of the film scanner of FIG. 1 is inserted, and FIG. 2B is a modification of the film scanner of FIG. The perspective view which shows the state which has inserted the film carrier into the thing.

FIG. 3 is a diagram showing a state in which the film scanner and the keyboard of FIG. 1 are installed on a desk.

FIG. 4 is a vertical cross-sectional view showing a state in which a film feeder is attached to the film scanner of FIG.

FIG. 5 is a perspective view of a modified example of the film scanner of FIG. 1, in which the scanner body has a cylindrical shape.

FIG. 6 is a perspective view of another modified example of the film scanner of FIG. 1, in which the scanner body has a polygonal prismatic shape.

FIG. 7 is a vertical cross-sectional view of a film scanner which is a conventional film image input device.

8 is a diagram showing a state in which the film scanner and the keyboard shown in FIG. 7 are installed on a desk.

[Explanation of symbols]

1, 31, 41 ...... Film scanner (film image input device) 2, 2 ', 32, 42 ...... Film insertion port 3 ...... Film carrier (film holding part) 4 ...... Film (transparent original film) 6 ...... Light source (illumination unit) 8 ... Imaging optical system 9 ... Imaging device (imaging unit) 11a, 31b, 41b ... Desktop installation surface

Claims (3)

[Claims] 1. A film holding section for holding a transparent original film, an illuminating section for illuminating the film, an image pickup optical system for forming an image on the film, and an image pickup for converting the image into an electric image signal. In the film image input device having a section, the illuminating section, the film holding section, the image pickup optical system, and the image pickup section are arranged substantially linearly, and the arrangement of this arrangement is relative to the film surface. A film image input device characterized by being in a substantially vertical direction. 2. A film holding section for holding a transparent original film, an illuminating section for illuminating the film, an image pickup optical system for forming an image on the film, and an electrical conversion of the image into an image signal. In a film image input device having an image pickup section, a housing including the illumination section, the film holding section, the photographing optical system, and the image pickup section, and a film provided to the film holding section provided in the case. And a film insertion opening for inserting and removing the film, and the illumination unit, the film holding unit, the imaging optical system, and the imaging unit are arranged substantially linearly. The film image input device is characterized in that the insertion direction is substantially perpendicular to the linear direction of the arrangement. 3. The housing has a table-top installation surface for installation, and the table-top installation surface is a straight line of the illumination section, the film holding section, the imaging optical system, and the imaging section. 3. The film image input device according to claim 2, wherein the film insertion port is substantially perpendicular to the direction, and the film insertion port is disposed above the center of the housing in the height direction.