JPH0622176A - Image pickup device - Google Patents

Abstract

PURPOSE:To allow a general-purpose and on-market video movie camera/still video camera to read a negative/positive transparent film and to convert the read signal into electronic picture information. CONSTITUTION:Red, green, blue, white fluorescent tubes 5, 6, 7, 8 and a picture processing circuit 10 are built in a projection case 4 of a base 1, a light diffusion plate 11 and a film storage transparent plate 12 are provided to an upper opening and a filter 14 and a slide film 16 are placed while their positions are varied. A video camera 2 is fitted to a pole 29 of a support 3 slidably and turnably through a slide base 33 and a support ring 35 of a support fixing device 30. A video signal outputted from the video camera 2 is outputted as it is, or a positive video image via a negative/positive inversion conversion circuit, or R, G, B color output signals by means of sequential lighting of each fluorescent tube, picture fetch and additive color mixture at an additive color mixing circuit for three times fetching.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a photographing device, and particularly to C
The present invention relates to a photographing device suitable for converting an image of a transparent film into an electronic image by using an image pickup means such as a video movie camera and a still video camera which read with a CD.

[0002]

2. Description of the Related Art Negatives,
A dedicated camera device for reading a positive transmission film and converting it into electronic image information is commercially available (eg, Tamron Co., Ltd .: Trademark Photovix II).
I). However, the price of this commercially available camera device is high because the image processing device and the camera are integrated.

The present invention makes it possible to use general-purpose and commercially available video movie cameras and still video cameras as cameras, thereby making it possible to use various filters and shutters at low cost and An object of the present invention is to provide an imaging device capable of expanding the range of processing and composition.

[0004]

In order to achieve the above object, a photographing device according to the present invention has a light source and an image processing device inside, and a transparent photographing film such as a negative film or a positive film on the upper surface. A base having a mounting part, imaging means capable of outputting imaging information as a moving image or a still image, and a base end attached to the base so that the imaging means is detachably held above the mounting part. And a supporting column, wherein the placing section has means for holding the film to be photographed in a replaceable manner and means for holding various filters or shutter devices on the film to be photographed in a replaceable manner, The column body is configured to have a column member that extends substantially perpendicularly to the upper surface of the base, and a supporting and fixing unit that holds the position of the image capturing unit with respect to the mounting unit in a changeable manner.

In the image taking apparatus according to the present invention, the supporting and fixing means of the image taking means has a slide base whose position can be varied in the axial direction of the pillar material, and the slide with the rotation axis in a direction orthogonal to the axial direction of the pillar material. The support ring is rotatably mounted on the table, and the support ring has a groove along the circumferential direction, and the imaging means can be movably mounted in the groove.

The photographing apparatus according to the present invention can be configured such that the light source has a fluorescent tube that emits red, green, and blue light, and the image processing apparatus has an RGB output terminal.

The image pickup apparatus according to the present invention may be arranged such that the image processing apparatus has a negative / positive inversion conversion circuit and its input / output terminals.

In the photographing apparatus according to the present invention, as the shutter device, a planar liquid crystal shutter including at least a range to be projected by the light source is provided, and a symbol, a picture, and character information are displayed by a signal from the outside. It is also possible to adopt a configuration in which a shutter drive is performed and the image pickup means alone or an input as a composite image with the film to be photographed is possible.

The photographing apparatus according to the present invention may have a structure in which the mounting portion described above is rotatable.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an overall perspective view showing an embodiment of the present invention.
The size of each part is exaggerated in some parts.

The apparatus of this embodiment mainly comprises a base 1 having a light source and an image processing device therein, a video camera 2 capable of outputting imaging information as a moving image or a still image, and a video camera 2.
And a supporting column body 3 for holding.

As shown in FIG. 2, the base 1 is provided with a light projecting unit housing 4
A red (R) fluorescent tube 5, a green (G) fluorescent tube 6, a blue (B) fluorescent tube 7, a white (W) fluorescent tube 8 and an image processing circuit 10 shown in FIG. Further, the upper opening is provided with a light diffusion plate 11 and a film holding transparent plate 12,
Four filter holding angles 13 are provided on the film holding transparent plate 12. These filter holding angles 13 are formed with slits for inserting and withdrawing the filter 14 and changing the position, and various filters can be used interchangeably, and the position can be changed according to the position to be photographed. Of course, it is possible to use it without using the angle member as shown. Further, the position marker 1 for mounting the slide film is provided on the light diffusion plate 11.
5 are formed at four places, and by placing the slide film 16 in accordance with the marker 15, it is easy to catch the visual field of the video camera 2.

The image processing circuit 10 includes a control device 17, a negative / positive inversion conversion circuit 18, and a three-time acquisition additive color mixing circuit 1.
9, a fluorescent tube lighting switching circuit 20, a video signal input (V-in) terminal 21, a video signal output (V-out)
A terminal 22, an RGB output terminal 23, and a power switch 24 are provided on the outer circumference of the light projecting unit housing 4, and the power plug 2
5 is pulled out to the outside. The video signal output terminal 22 includes a positive output (Pos) terminal 22a and a negative (Neg) output terminal 22b. Of course, the video signal output terminal of the video camera 2 and the video signal input terminal 21 of the image processing circuit 10 need to be connected by a predetermined cable or the like, but they are not shown.

Although FIG. 1 shows a state in which the base 1 is installed vertically, a clamper 26 is provided as a means for installing and holding the base 1 on, for example, a desk, and a clamper arm 27 is provided with a screw 2.
It is fixed to the outer circumference of the light projecting unit housing 4 by 8.

The support pillar 3 for holding the video camera 2 is composed of a pillar 29 made of a rigid material having a prismatic shape, and a support fixing device 30 for the video camera 2 attached to the pillar 29. The base end of the column 29 is fixed to the outer circumference of the light projecting unit housing 4, and a light blocking plate 31 for preventing diffused reflection of external light is detachably attached by a screw 32 near the upper end. The supporting and fixing device 30 of the video camera 2 is rotatably attached to the slide base 33 by a slide base 33 whose position can be varied in the axial direction of the pillar 29 and a thumbscrew 34 with a rotation axis in a direction orthogonal to the axial direction of the pillar 29. And a support ring 35.
The tip of the slide stand 33 is tightened or loosened with respect to the surface of the pillar 29 by turning the slide dial 36, and when the slide stand 33 is loosened, it can be moved up and down along the pillar 29. Further, the support ring 35 has a groove 37 formed in the circumferential direction, and the video camera 2 has a common screw 39 for camera mounting provided on the supporting and fixing base 38 of the video camera 2 fitted and attached to the groove 37. That is, the position of the video camera 2 can be changed along the groove 37 by loosening the screw 39.

Next, the operation of this embodiment will be described. Figure 1
As shown in FIG. 5, the slide film 16 is placed on the light diffusing plate 11 in accordance with the marker 15, the transparent plate 12 for holding the film is placed thereon, the filter 14 is inserted into the filter holding angle 13, and the thumbscrew 34 is operated. Support ring 35
To adjust the optical axis angle of the video camera 2 and loosen the screw 39 to support the video camera 2 support ring 35.
The slide film 16 is moved along the groove 37, the shooting position is adjusted according to the slide film 16, and the entire slide film 16 or its desired position is captured in the field of view of the video camera 2.
Of course, all the power supply relations are turned on.

The video signal output from the video camera 2 is a video signal input terminal 21 of the image processing circuit 10 shown in FIG.
If the desired image reproducing device or recording device such as a television is connected to the positive output terminal 22a of the video signal output terminal 22, the negative-positive inversion conversion circuit 1
The signal is output from the negative output terminal 22b via No. 8. That is,
If the slide film 16 is a negative film, a positive image can be taken out. In these states, the control circuit 17 causes the white fluorescent tube 8 to emit light.

If an image reproducing device or a recording device is connected to the RGB output terminal 23, the video signal output from the video camera 2 is input three times and input to the additive color mixing circuit 19, and the red color is controlled by the control device 17. The fluorescent tube 5, the green fluorescent tube 6, and the blue fluorescent tube 7 are sequentially turned on separately, and in conjunction with this, the three-time additive color mixing circuit 19 performs image acquisition three times, and by performing additive color mixing, the R.I.
G. B color output is performed. That is, the filter 14
By preparing three colors (R.G.B.), the image is captured three times and the R.G. G. B color output can be obtained.

By changing the position of the slide base 33 and changing the distance between the video camera 2 and the slide film 16, the image can be enlarged or reduced.

FIG. 4 is a side view showing a state in which the posture of the apparatus of the embodiment shown in FIG. 1 is changed. The posture of the apparatus of this embodiment can be integrally changed, and FIG. 4A shows a vertical installation state as in FIG. 1, and FIG. 4B shows a horizontal installation state. Projector housing 4
Suction plates 40 are provided on the lower surface of the column and the back surface of the pillar 29, respectively, and the suction plate 40 of the light projecting unit housing 4 is adsorbed to the installation base surface B in the vertically installed state, and the suction plate 40 is installed in the horizontal installed state. The plate 40 is attached to the installation base surface B so that the plate 40 is stably fixed to the base surface.

FIG. 5 is a diagram showing a modification of the means for holding the video camera 2. The support fixing base 50 for attaching the video camera 2 to the support ring 35 is composed of
It is composed of a left and right table 52 and a rotary table 53, and the video camera 2 can be slid in the arrow X and Y directions and rotated in the arrow R direction in the figure by moving each table.

FIG. 6 is a view showing a modified example of the film and filter holding means of the light projecting unit housing 4. By installing the rotary table 60 on the light diffusion plate 11 and placing the filter 14 and the slide film 16 on the rotary table 60, it is possible to slide in the arrow X and Y directions and rotate in the arrow R direction.

In each of the above-described embodiments and modified examples, it is possible to insert a planar liquid crystal shutter including a range to be projected instead of the filter, and it can be used for synthesizing pictures and characters like the filter. .

[0024]

As described above, in the photographing apparatus according to the first aspect of the present invention, the separate photographing means is positioned on the base having the light source, the image processing device and the mounting portion of the film to be photographed by the supporting pillar. A film read-only camera was used because the film-to-be-shot is variably held on the film-to-be-shot part in a replaceable manner, and various filters or shutter devices are held on the film-to-be-imaged film in a replaceable manner. Even if there is no need, a general-purpose video camera or a still video camera can be used, which is advantageous in that it can be manufactured at low cost. In addition, by exchanging various filters and the like, there is also an effect of facilitating the processing and composition of film images.

According to the second aspect of the present invention, the image pickup means is attached to the slide base via the support ring so that the position can be varied in the axial direction of the column member and the column member can be rotated in a direction orthogonal to the axial direction. Further, by making the support ring movable in the circumferential direction, in addition to the common effects described above, it is possible to easily enlarge and reduce the image by changing the distance between the image pickup means and the film to be photographed, and easily rotate the image. There is an effect of doing.

Since the photographing apparatus according to the third aspect has the fluorescent tubes for emitting red, green, and blue as the light source and the RGB output terminal, in addition to the common effects described above, the image signal output from the image pickup means is monochrome. This has the effect that a color video signal can be obtained even with the above.

In the photographing apparatus according to the fourth aspect, since the image processing apparatus has the negative-positive inversion conversion circuit and its input / output terminal, in addition to the common effects described above, a positive image can be taken out from the negative film. There is an effect that it becomes possible.

According to a fifth aspect of the present invention, a photographing device is a planar liquid crystal shutter that includes at least a range to be projected by a light source as a shutter device, and performs shutter drive of symbols, pictures, and character information by a signal from the outside. Since it is possible to input the image as a single image or as a composite image with the film to be photographed, in addition to the common effects described above, there is an effect of expanding the composite range of the image.

In the photographing apparatus according to the sixth aspect of the present invention, since the placing portion of the film to be photographed can be rotated, in addition to the common effects described above, it is possible to more easily change the position for processing or combining the film images. Has the effect of becoming.

[Brief description of drawings]

FIG. 1 is an overall perspective view showing an embodiment of the present invention.

2 is a cross-sectional view of the base of FIG.

FIG. 3 is a circuit diagram of an image processing circuit and a fluorescent tube built in the base of FIG.

FIG. 4 is a side view showing a state in which the posture of the embodiment apparatus of FIG. 1 is changed.

FIG. 5 is a plan view showing a modified example of means for holding a video camera.

FIG. 6 is a plan view showing a modified example of the film and the filter holding means provided on the light projecting unit housing of the base.

[Explanation of symbols]

 1 Base 2 Video Camera 3 Support Column 4 Light Emitting Unit Housing 5 Red Fluorescent Tube 6 Green Fluorescent Tube 7 Blue Fluorescent Tube 8 White Fluorescent Tube 10 Image Processing Circuit 11 Light Diffusing Plate 12 Transparent Plate for Holding Film 13 For Filter Holding Angle 14 Filter 15 Position marker 16 Slide film 17 Control device 18 Negative-positive reversal conversion circuit 19 3 times acquisition additive color mixing circuit 20 Fluorescent tube lighting switching circuit 21 Video signal input terminal 22 Video signal output terminal 22a Positive output terminal 22b Negative output terminal 23 RGB Output Terminal 29 Column 30 Support Fixing Device 31 Light Blocking Plate 33 Slide Stand 35 Support Ring 37 Groove 38 Support Fixed Base 40 Suction Plate 50 Support Fixed Base 60 Rotating Table

Claims (6)

[Claims] 1. A base having an internal light source and an image processing device, and a mounting portion for a transparent film to be photographed such as a negative film or a positive film on the upper surface, and image information is output as a moving image or a still image. And a support pillar that attaches the base end to the base and detachably holds the imaging means above the mounting portion. The mounting portion includes the film to be photographed. A means for holding exchangeably and a means for holding various filters or shutter devices exchangeably on the film to be imaged, the supporting column body is a column member extending substantially perpendicular to the upper surface of the base. An image pickup apparatus, comprising: a supporting and fixing unit that holds the position of the image pickup unit with respect to the mounting unit in a changeable manner. 2. The supporting and fixing means of the image pickup means is rotatably attached to the slide base with a slide base whose position can be varied in the axial direction of the pillar, and a rotation axis in a direction orthogonal to the axial direction of the pillar. 2. The image pickup apparatus according to claim 1, further comprising a support ring, wherein the support ring has a groove along the circumferential direction, and the image pickup means is movably attached to the groove. 3. The image pickup device according to claim 1, wherein the light source includes a fluorescent tube that emits red, green, and blue light, and the image processing device includes an RGB output terminal. 4. The image pickup apparatus according to claim 1, wherein the image processing apparatus has a negative / positive inversion conversion circuit and an input / output terminal thereof. 5. As the shutter device, a planar liquid crystal shutter including at least a range to be projected by the light source is provided, and a symbol, a picture,
5. The photographing apparatus according to claim 1, wherein a shutter drive of character information is performed, and the information can be input by the image pickup unit alone or as a composite image with the film to be photographed. 6. The photographing apparatus according to claim 1, wherein the mounting portion is rotatable.