JP2002135638A - Stand for small ccd camera - Google Patents

Abstract

PROBLEM TO BE SOLVED: To realize a stand for switching a CCD camera to be used in video conference into one for TV or one for copying speedily and simply and holding it. SOLUTION: The stand is switched into the one for a TV camera or for copying by the bending angles of hinges 4 and 5. That is, in the case of being used for the TV camera, an upper face plate 1 and a support plate 2 are bent to the position 'TV' of scales 41 and 51 respectively. In the case of copying, the plate 1 and the plate 2 are bent respectively at the positions 'B5', 'A4' or 'B5' of the scales in accordance with the size of the material. At the respective designated positions of the scale, the plates are made to be fixed temporarily by a click stop.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stand for a small CCD camera, and more particularly to a stand for use in a TV conference system for holding a small CCD camera for photographing a conference attendee or a conference material and transmitting it to a partner. The present invention relates to a stand used for:

[0002]

2. Description of the Related Art Conventionally, this type of stand for a small CCD camera is only a simple stand which is used by mounting it on the upper surface of a TV cabinet in a TV camera conference system. It is used only when taking a face photograph or the like.

[0003] When transmitting to a partner such as conference materials, C
They take close-up photos of conference materials with their own CD cameras or take pictures using a photocopier.

[0004] A CCD camera, that is, a digital camera, is widely used in this type of TV conference system because a captured image can be taken out as image data and immediately transmitted to the other party.

[0005]

As described above, in the conventional stand, when photographing the conference material, the camera is held in a hand-held state. First, the camera is roughly determined in accordance with the size of the material, and the distance between the materials is roughly determined. Focus on, set the exposure, etc. and then release the shutter. In addition, it is extremely difficult to adjust the distance and focus between the camera and the document while holding the camera in hand, and there is a problem that a clear image cannot be obtained and it takes time.

Further, when using a photocopying stand, there is not much copy stand for the CCD camera, and even if there is, there is a problem that the price is high and the shape is large.

[0007]

According to a first aspect of the present invention, there is provided a stand for a small CCD camera, comprising: a first quadrangular plate provided with a through hole and an adapter for mounting the small CCD camera; In the vicinity of the center, a through-hole into which the lens barrel of the small CCD camera is inserted at the time of use is provided, and a quadrilateral second plate serving as a support at the time of use, and a quadrilateral third plate serving as a pedestal at the time of use Plate and the first
A first hinge portion for connecting one side of the plate and one side of the second plate so as to be freely bent, and a second hinge for connecting the opposite side of the second plate and one side of the third plate so as to be freely bent. A hinge portion.

[0008] The first and second hinge portions include:
When the stand for the small CCD camera is used as a stand for a TV camera, the lens barrel of the CCD camera is inserted into the through hole of the second plate with the first plate on which the small CCD camera is set inside. The angle when bent to a predetermined angle to be inserted (ie, a predetermined acute angle) and at the same time the third plate is bent inward at a right angle (ie, right angle), and the small CC
When the stand for D camera is used as a stand for copying material, the first plate and the third plate are respectively bent inward, and the first plate and the third plate are bent according to the size of the material to be copied. A fixing mechanism is provided for temporarily fixing at a predetermined angle when the distance between the third plate and the third plate is adjusted while maintaining the parallel dimension.

A stand for a small CCD camera according to a second aspect of the present invention is a quadrilateral first plate provided with a through hole and an adapter for mounting the small CCD camera, and the small CCD camera when used. An L-shaped quadrilateral second plate in which a through hole for inserting the lens barrel portion is provided and a plate portion serving as a support and a plate portion bent at a right angle to the plate portion and serving as a pedestal are integrated; A hinge portion for connecting one side of the first plate and one side of a plate portion serving as a support of the second plate in a freely bendable manner, and a distortion for inputting an output signal of the small CCD camera, correcting the distortion, and outputting the corrected signal. And a correction unit.

[0010] The hinge portion is provided such that when the small CCD camera stand is used as a TV camera stand, the first plate on which the small CCD camera is set is inserted inside the through hole of the second plate. The angle at which the lens barrel of the small CCD camera is bent to a predetermined angle to be inserted (that is, a predetermined acute angle), and the angle when the present small CCD camera stand is used as a material copying stand. The angle when the first plate is bent inward at a right angle (i.e., right angle), and when copying a material of a larger format than the material, the first plate is set at an obtuse angle from the right angle at the time of copying the material. And a fixing mechanism that can temporarily fix each angle of the angle at which the sheet is bent and the angle at which the sheet is bent (ie, a predetermined obtuse angle).

In the first and second inventions, the fixing mechanism may use a click stop system in which a click mechanism is incorporated in a sliding portion of the hinge.

Further, the fixing mechanism may use a screw tightening method of fixing a sliding portion of the hinge portion at a predetermined position with a screw.

[0013] Each of the hinge portions may display a function of a position at each angle fixed by the fixing mechanism.

[0014]

Embodiments of the present invention will now be described with reference to the drawings. FIG. 1 is a perspective view showing a first embodiment of the present invention, and FIG. 2 shows each use state of FIG. 1 (a) at the time of a TV camera, (b) at the time of copying (large material),
(C) It is a conceptual diagram at the time of copying (small material).

FIG. 3 is a perspective view showing a second embodiment of the present invention, and FIG. 4 shows an example of use of FIG. 3 (a) for a TV camera, (b) for copying (at the time of large data), (C) It is a conceptual diagram for copying (at the time of a small material).

First, the configuration of the first embodiment of the present invention will be described with reference to FIG.

A quadrilateral upper plate 1 provided with a through hole 12 for mounting the small CCD camera 6 and an adapter 11, and a through hole into which the lens barrel of the small CCD camera 6 is inserted near the center when used. A quadrangular support plate 2 provided with a hole 21 and serving as a support during use, a quadrilateral base plate 3 serving as a base during use, and one side of the top plate 1 and one side of the support plate 2 can be bent freely. Hinge 4 and supporting plate 2 opposite side and pedestal plate 3 to be connected
And a hinge 5 that connects the one side to bend freely.

The hinge 4 is a hinge having a large sliding surface on which the support plate 2 is fixed and the upper plate 1 rotates, and a scale 41 indicating the rotation angle of the upper plate 1 is displayed at the end thereof. I have. In the scale 41, the position of the TV indicates the angle when the stand is used as a TV camera stand, and the positions of B5, A4, and B4 indicate the angles when copying materials of the corresponding sizes. Also,
The hinge 5 is a hinge having a large sliding surface similar to the hinge 4 that fixes the pedestal plate 3 and rotates the support plate 2, and a scale 51 indicating the rotation angle of the support plate 2 as shown in the figure is provided at the end. Is displayed. Each display has the same meaning as the scale 41.

The hinges 4 and 5 are provided with a clip stop mechanism for temporarily fixing the upper surface plate 1 or the support plate 2 which rotates at respective positions indicated by the scales 41 and 51. Instead of the clip stop mechanism, the sliding portion of the hinge may be simplified by tightening with a screw.

Next, the operation will be described with reference to FIG. First, as shown in FIG. 1, the CCD camera 6 is mounted on the adapter 11 of the upper plate 1. FIG. 2A shows a TV camera, which is used to capture the state of a conference or the face of an attendee. That is, this stand is installed on the top of the TV,
Then, the bending angles of the upper surface plate 1 and the support plate 2 are respectively set to the TV positions on the scale. The CCD camera 6 inserts the lens barrel into the through hole 21 of the support plate 2 to be in a state of photographing a conference scene. FIGS. 7B and 7C show the case of copying the material, FIG. 7B shows the state of the maximum B4 size, and FIG. 7C shows the state of the minimum B5 size. Also at this time, the bending angle of the upper surface plate 1 and the support plate 2 is set to the position of B4 or B5 on the scale, respectively. Then, the state becomes as shown in the figure, and the CCD camera 6 is set in parallel with the material and at the optimum interval, so that the focus can be adjusted and the rear shutter can be released.

Next, a second embodiment of the present invention will be described with reference to FIGS.
This will be described with reference to FIG.

First, the configuration will be described with reference to FIG. CC
Through-hole 72 and adapter 71 for mounting D camera 6
And a through-hole 83 into which the lens barrel of the CCD camera 6 is inserted during use.
And an L-shaped quadrilateral L-shaped plate 8 in which a support plate portion 81 serving as a support, a base plate portion 82 serving as a pedestal bent at right angles to the support plate portion 81, and an upper surface plate 7 are provided. Hinge 9 for connecting one side of the L-shaped plate 8 to one side of the support plate portion 81 of the L-shaped plate 8 freely, and a distortion correction for inputting an output signal of the CCD camera 6 and correcting and outputting a screen distortion generated when copying material. Vessel 1
0.

The hinge 9 is a hinge having a large sliding surface on which the support plate portion 81 is fixed and the upper plate 7 rotates, and a scale 91 indicating the rotation angle of the upper plate 7 as shown in the figure is displayed at its end. ing. The position of the TV on the scale 91 is when the stand is used as a stand for a TV camera, and the positions of B5, A4, and B4 are when copying materials of corresponding sizes.

The hinge 9 is provided with a click stop mechanism for temporarily fixing the upper plate 7 which rotates at each position indicated by the scale 71. Instead of the clip stop mechanism, the sliding portion of the hinge may be simplified by tightening with a screw.

The distortion corrector 10 controls the CCD camera 6 during copying.
Is input to correct the distortion. When the material is B5 having the minimum size, the state is as shown in FIG.
In the case of 4 and B4, the upper plate 7 is tilted upward, so that the upper surface plate 7 is not kept parallel to the data surface and distortion (tilt) occurs. The distortion caused by the tilt is corrected by performing data processing in the distortion corrector 10. Input connector 101
The output connector 102 corresponds to the connector on the CCD camera 6 side.

Next, the operation will be described with reference to FIG. This is almost the same as the case described above with reference to FIG. 2, except that the number of hinges is one, and only the hinge 7 needs to be angle-adjusted according to the use state. Also, when copying the B4 (A4) size shown in FIG. 4B, the screen data is distorted.
The output connector of the camera 6 and the input connector 101 of the distortion corrector 10 are connected by a predetermined code. After correcting the image data here, the screen data is extracted from the output connector 102. At this time, the CCD camera 6
It is necessary to stop down the aperture sufficiently to increase the depth of focus of the lens so that the entire screen is sharp.

The stand shown in FIG. 3 has the advantages that it can be made smaller than the one shown in FIG. 1 due to the design conditions at the time of copying and that the angle of the hinge can be adjusted at one place, thereby simplifying the operation. It is necessary to provide a vessel.

[0028]

As described above, the compact CCD according to the present invention is used.
The camera stand can be used both as a TV stand and a copy stand, and can be easily switched to each intended use only by setting the bending angle of each component plate according to the display scale. There is an effect that it is possible to quickly switch between the conference materials having different sizes and the respective conference materials by a simple operation and to transmit them to the other party.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a first embodiment of the present invention.

FIGS. 2A and 2B show the states of use in FIG. 1 (a) at the time of a TV camera (b) at the time of copying (large material), and (c) at the time of copying (small material)
FIG.

FIG. 3 is a perspective view showing a second embodiment of the present invention.

FIG. 4 shows (a) a TV camera showing each use state of FIG. 3;
(B) Copying (large material), (c) Copying (small material)
FIG.

[Explanation of symbols]

 1, 7 top plate 2 support plate 3 pedestal plate 4, 5, 9 hinge 6 CCD camera 8 L-shaped plate 10 distortion corrector 11, 71 adapter 12, 21, 72, 83 through hole 41, 51, 91 scale 81 support plate Part 82 Base plate part

Claims (7)

[Claims] 1. A quadrangular first plate provided with a through hole and an adapter for mounting a small CCD camera, and a through hole into which a lens barrel of the small CCD camera is inserted at the time of use near the center. A quadrilateral second plate provided with a hole and serving as a support in use, a quadrilateral third plate serving as a pedestal in use, one side of the first plate, and one side of the second plate Hinge and the second side connecting the opposite side of the second plate and one side of the third plate to bend freely.
A stand for a compact CCD camera, comprising: 2. The first and second hinge portions are arranged such that when the small CCD camera stand is used as a TV camera stand, the first plate on which the small CCD camera is set is placed inside the first plate. The angle when the lens barrel of the CCD camera is bent to a predetermined angle at which the lens barrel of the CCD camera is inserted into the through hole of the second plate (ie, a predetermined acute angle).
And at the same time, the angle when the third plate is bent inward at a right angle (ie, right angle), and the first plate and the second plate when the small CCD camera stand is used as a material copying stand. The third plate is bent inward, and the distance between the first plate and the third plate is adjusted while keeping the first plate and the third plate parallel in accordance with the size of the material to be copied. 2. The stand for a small CCD camera according to claim 1, further comprising a fixing mechanism for fixing the CCD camera. 3. A quadrangular first plate provided with a through hole for mounting a small CCD camera and an adapter, and a through hole into which a lens barrel of the small CCD camera is inserted when used. A second plate having an L-shaped quadrilateral in which a plate portion serving as a support and a plate portion bent at a right angle to the plate portion and serving as a pedestal are integrated; one side of the first plate and the second side; A small CCD camera, comprising: a hinge portion that foldably connects one side of a plate portion serving as a support of the plate; and a distortion correction portion that receives an output signal of the small CCD camera, corrects the distortion, and outputs the corrected signal. For stand. 4. The hinge portion has a through hole of the second plate inside the first plate on which the small CCD camera is set when the small CCD camera stand is used as a TV camera stand. The small CC
The angle at which the lens barrel of the D-camera is bent to a predetermined angle at which it is inserted (ie, a predetermined acute angle), and the first when the present small CCD camera stand is used as a material copying stand. The angle when the plate is bent inward at a right angle (ie, right angle), and the angle at which the first plate is inclined at an obtuse angle from the right angle at the time of copying the material when copying a material of a larger format than the material. 4. The stand for a small CCD camera according to claim 3, further comprising a fixing mechanism capable of temporarily fixing each angle with an angle (ie, a predetermined obtuse angle) when being bent. 5. The small stand for a small CCD camera according to claim 2, wherein the fixing mechanism uses a click stop system in which a click mechanism is incorporated in a sliding portion of the hinge portion. 6. The small CCD camera according to claim 2, wherein the fixing mechanism uses a screw fixing method of fixing a sliding portion of the hinge portion with a screw at a position at a predetermined rotation angle. stand. 7. The stand for a small CCD camera according to claim 2, wherein each of said hinge portions functionally displays a position of each angle fixed by said fixing mechanism.