KR100249942B1 - Stereo slide mount - Google Patents

Abstract

The present invention relates to a stereo slide mount that yields accurate stereoscopic effects and facilitates the mounting operation and the accuracy of the operation. Various stereo slide mounts 1 (# 0 to # 3) having windows in which the width W decreases in steps have the same pitch Pw between the windows, and different pitches for fixing the left and right films. Equipped. The base frame is provided with a positioning pin 6 that engages the perforation of the film, and the cover frame is provided with a pinhole 7 which is fixed to the positioning pin 6. The positioning pins 6 and the pinholes 7 are arranged such that the inner vertical side of the window engages the inner edge of the film screen regardless of the width W of the window. Stereo slide mounts with small width windows have large gap widths (P0, P1, ...) between the two right positioning pins (6) and the two left positioning pins (6), and between the left and right films. It has an increased pitch and increased mask amount on the outside of the left and right films.

Description

Stereo slide mount

The present invention relates to stereo slide mounts, in particular stereo slide mounts that provide accurate stereoscopic image by masking the outside of the left and right screens.

Stereo slides photographed using a stereo camera having a fixed distance between the optical axes of the left and right lenses are non-overlapping portions where the shooting range is not constant on the outside of the left and right shot screens because the left and right shots have different views. A non-overlapped portion is formed. In the non-overlapping portion, a stereoscopic image is not formed when viewing with a stereo slide viewer. When the non-overlapping portion is observed with a binocular stereo slide without a mask, a vertical line overlapping at the boundary between the overlapping portion and the non-overlapping portion of the edge of another window is observed, which creates a poor stereoscopic image. Therefore, in order to prevent this, it is attempted to form the window width of the stereo slide mount to be narrower than the width of the screen of the slide film to mask the non-overlapping portion.

The width of the non-overlapping portion to be masked increases as the distance of the subject, which most importantly affects the matching between the left and right images, decreases. Therefore, a variety of stereo slide mounts are provided in which the window widths differ in stages. From these stereo slide mounts, a stereo slide mount with an appropriate amount of mask window is selected and a slide film is installed thereon. However, it is not easy to visually determine the mask amount of each pair of slide films cut into each frame, and a stereo slide mount is incorrectly selected.

In addition, it is known that in order to obtain a preferable stereoscopic effect with a stereo photograph, the image of the subject which has the most important influence on the matching between the left and right images should be located at the same position of the left and right windows of the stereo slide mount. If the position of the subject is not the same between the left and right screens, the actual three-dimensional effect is canceled out. However, in conventional stereo slide mounts, there is no criterion for positioning of the film in the left and right directions; In other words, accurate film positioning is not easy.

Therefore, in order to solve the shortcomings of the conventional stereo slide system, the present applicant proposes a stereo slide mount and a stereo slide system based on the screen-mask amount guide device / stereo slide viewer. Stereo slide systems are treated as photographed stereo slides by using a stereo camera configured such that the positional relationship between the perforation of the film and the photographed screen is the same. The stereo slide mount is composed of a base frame having pins around the left and right windows at the film position, and a cover frame having the same gap width but the window width gradually changing between the left and right windows.

The screen-mask amount guide device / stereo slide viewer observes a stereoscopic image while varying the mask amount in the area outside the stereo slide screen to determine the desired mask amount.

After the mask amount of the film is determined by the screen-mask amount guide device / stereo slide viewer, the perforation of the film is combined with the positioning pins of the base frame to achieve positioning, and a cover having a window width corresponding to the determined mask amount. The frame is selected and joined to the base frame. Thereafter, the film is positioned, the non-overlapping portion is masked on the outside of the left and right films, and an accurate stereoscopic effect is obtained.

Thus, it is possible to achieve positioning accurately and easily while fixing the stereo slide mount. Here, the cover frame having various window widths constituting the mount system has the same gap width between the left and right windows. Therefore, the pitch between the center of the right screen and the center of the left screen becomes narrower as the width of the window becomes smaller, and the congestion angles of both eyes change according to the pitch between the screens.

The change in pitch between the left and right screens is usually not a problem when the image is observed. However, when viewing a long time while frequently exchanging various stereo slides with a large difference in pitch between screens, the eyes of the observer are adapted to the change of the stagnation angle in a delay-based manner, which causes a feeling of rejection or fatigue.

Therefore, the technical problem must be solved by providing a stereo slide mount that facilitates mounting work and positioning work and can easily observe images that reduce fatigue. The object of the present invention is to solve this problem.

To achieve the object described above, the present invention provides a stereo slide mount for mounting a stereo slide photographed with a stereo camera having the same relative position between perforation of perforated film and a pair of left and right photographed screens, and parallel A stereo slide mount consisting of a cover frame and a base frame with two rectangular windows arranged so as to combine the perforation of the slide film to which the positioning pins are fixed, so that the slide film is placed in two piece positions of the base frame. Provided on a film-placing surface, a pin hole corresponding to the positioning pin is formed on a film-holding surface of the cover frame, and the positioning pin and the pin hole are formed on a base. The frame and cover frame are fixed to each other so that they are connected to each other, and the window width The mounting system is constructed by forming a plurality of stereo slide mounts which are gradually reduced but the pitch is constant between the left and right windows, wherein the positioning pins and the pin holes are arranged such that the inner vertical side of the left and right windows coincides with the inner edge of the film screen. It is arranged on various stereo slide mounts, and the outer block of the left and right slide films is adjusted according to the window width difference in the various stereo slide mounts.

1 (a), 1 (b), 1 (c) and 1 (d) are front views of the stereo slide mount according to the present invention;

Fig. 2 shows a stereo slide mount with the largest window, Fig. 2 (a) is a front view, Fig. 2 (b) is a side view, Fig. 2 (c) is a bottom view and Fig. 2 (d) is a rear view;

3 shows a cover frame of the stereo slide mount of FIG. 2, FIG. 3 (a) is a front view, FIG. 3 (b) is a side view, FIG. 3 (c) is a bottom view, and FIG. 3 (d) is a rear view. Is also;

Figure 4 shows the base frame of the stereo slide mount of Figure 2, Figure 4 (a) is a front view, Figure 4 (b) is a side view, Figure 4 (c) is a bottom view and Figure 4 (d) is a rear view Is also;

5 shows a positioning means based on the leaf spring of the slide holder and the vertical groove in the stereo slide mount;

6 is a view showing a positioning means based on the projections of the slide holder and the notch in the stereo slide mount according to another embodiment;

7 is a view showing a state in which the stereo slide mount is incompletely loaded according to the prior art;

8 shows another embodiment, in which FIG. 8 (a) is a front view of the base frame, FIG. 8 (b) is a side view of the base frame, FIG. 8 (c) is a front view of the cover frame, and FIG. 8 ( d) shows a side view of the cover frame;

Figure 9 shows another embodiment, Figure 9 (a) is a front view of the base frame and Figure 9 (b) is a side cross-sectional view of the base frame.

* Explanation of symbols for the main parts of the drawings *

1: stereo slide mount 2: cover frame

3: base frame 4L, 4R: window

5L, 5R: Window 6: Positioning pin

7: pinhole 8: vertical groove

9 notch 11: holder portion

11a: protrusion 12: positioning spring

13: positioning pin 14: pin hole

15: recess

Embodiments of the present invention will be described in more detail with reference to the drawings. 1 shows a stereo slide mount, wherein the mounting system is composed of a plurality of stereo slide mounts 1 (# 0 to # 3) having the same outer shape in which the window width W is gradually reduced. 1 (a), 1 (b), 1 (c) and 1 (d), the window width W is increased or decreased for each step in an exaggerated manner. In particular, however, the window width difference should be set small at each step. In addition, the number of steps from the largest window width (# 0) with the smallest screen-mask amount to the smallest window width need not be limited to the four steps shown.

The stereo slide mounts 1 (# 0 to # 3) of all kinds basically have the same structure in which the pitch Pw is the same between the left and right windows, but the pitch for installing the window width W and the left and right films is gradually changed. do. Described below is the structure of the stereo slide mount 1 (# 0) having the maximum window width.

2 to 4, the stereo slide mount 1 (# 0) is composed of a cover frame 2 and a base frame 3 formed in an injection molding of resin, and a cover frame 2 The base frame 3 includes a pair of left and right windows 4R, 4L and 5R, 5L, respectively. The windows 4R, 4L of the cover frame 2 and the windows 5R, 5L of the base frame 3 are identical in size vertically and laterally. The pitch Pw between the left and right windows is preferably narrower than the standard distance 63.5 mm, or 63.5 mm, between the two human eyes, so that the image can be easily viewed with a stereo slide viewer.

With reference to FIG. 4, cylindrical positioning pins 6 are embedded in the top, bottom, right and left positions surrounding the left and right windows 5R, 5L of the base frame 3 to engage with the perforations of the film. The pin hole 7 is formed in the cover frame 2 shown in FIG. 3 at the symmetrical position of the positioning pin 6 of the base frame 3. The vertical grooves 8 are formed in the center of the rear side of the base frame 3 so that the base frame 3 can be folded into two with the vertical grooves 8 as hinges.

The stereo slide mount 1 is formed on the basis of the conditions necessary for mounting the slide film photographed by using a stereo camera configured such that the relative position between the perforation of the film and the screen is the same between left and right. Referring to FIG. 4, when perforations are coupled to the positioning pins 6 at four positions of the base frame 3 at the left and right ends of the slide film F cut into individual frames, Positioning pins 6 and pinholes 7 are arranged at positions where the inner edge of the screen coincides with the inner vertical sides of the windows 5L and 5R.

In all kinds of stereo slide mounts 1 (# 0 to # 3), as shown in Figs. 1 (a), 1 (b), 1 (c) and 1 (d), the pitch Pw between the windows is The same, the window width varies in stages (W0, W1, W2, W3) and the gap width (P0, P1, P2, P3) between the two right positioning pins 6 and the two left positioning pins 6 ) Is the gap width P0 of the stereo slide mount 1 (# 0) and has the following relationship by reference:

(# 0) P0

(# 1) P1 = P0 + W0-W1

(# 2) P2 = P0 + W0-W2

(# 3) P3 = P0 + W0-W3

Therefore, in all stereo slide mounts 1 (# 0 to # 3), the relative position is the same between the left and right windows 4, 5 and the vertical side inside the positioning pin 6. That is, in any stereo slide mount, the inner edge of the screen of the slide film coincides with the inner vertical side of the windows 4, 5. Stereo slide mounts with a minimum window width have a large gap width (P0, P1, P2, P3) between the two right positioning pins and the two left positioning pins 6, increasing the pitch between the left and right films. The mask amount on the outside of the left and right films is increased.

In mounting the stereo slide, the stereo slide mount 1 having a window width corresponding to the mask amount, determined by the mask amount of the guide device, which is mentioned earlier as a prior art, or by other mask amount determining means, for mounting the stereo slide. ) Is selected. Then, the film is fixed on the base frame 3 left and right windows 5R, 5L, the cover frame 2 is positioned on the base frame 2, and the pinhole 7 is placed on the cover frame 2 and the base. The frame 3 is fixed to the positioning pin 6 so as to be coupled to each other.

The base frame 3 can be stacked in two with the vertical groove 8 as a hinge. Therefore, the left half or the right half is first fixed so that it is easily located between the positioning pin 6 and the pin hole 7, so that the mounting operation is smoothly performed. On the other hand, the cover frame 2 has no grooves overlapping the surface; In other words, a title or memo related to a shot can be easily written on the cover frame 2. It is also possible to form a recess in the gap portion between the right window 4R and the left window 4L of the cover frame 2 so that the title can be written on the recess or the title label can be attached on the recess.

In a conventional stereo slide viewer, the width of the inner portion of the slide holder is slightly wider than the width of the stereo slide mount so that the stereo slide mount can be easily loaded. Therefore, because of the difference in dimensions, the left and right portions of the stereo slide mount are unstable in various cases. Position springs 12 are provided in the slide holder portion 11 of the slide viewer and the vertical grooves 8 of the stereo slide mount 1 as shown in FIG. 1 with the front, back, right and left portions of the stereo slide mount 1. It may be preferably positioned when it is in contact with the contact.

Fig. 6 shows another positioning means in which the notch 9 is formed at the bottom center of the stereo slide mount 1A, and the slide holder portion 11 of the slide viewer is engaged with the notch 9 near the stereo slide mount 1A. Protruding portion 11a is provided. Referring to Fig. 6, the upper end of the protrusion 11a is formed in a semi-circular shape, and the stereo slide mount 1A is inserted from the upper side of the slide holder portion 11 so that the notch 9 is smooth with the protrusion 11a. To combine. The height of the notch 9 is slightly higher than the height of the projection 11a so that the bottom surface of the stereo slide mount 1A does not move on the bottom surface of the slide holder portion 11. Another effect of the notch is that the top or bottom side of the stereo slide mount 1A can be easily distinguished.

In inserting the stereo slide mount into the slide holder portion of the stereo slide viewer, when the stereo slide mount is tilted down, the edge of the stereo slide mount (M) is in contact with the left and right walls of the slide holder portion (H). It is often the case that the stereo slide mount M is stopped in the middle due to the frictional resistance. Therefore, if a positioning means based on the notch 9 and the projection 11a is provided, the stereo slide mount is prevented from being deviated in the left and right directions and the inner width of the slide holder portion 11 is stereo slide as shown in FIG. It is easily inserted despite being considerably wider than the width of the mount 1A.

If the perforation of the film is circular or elliptical extending in the left and right directions, the diameter of the cylindrical positioning pin 6 should be maintained so as to maintain the correct position of the film in the left and right directions and the up and down directions only according to the positioning pins 6. Appropriately selected. However, in the case of a film having perforations extending in the vertical direction, such as a 135-film, the position may move in the vertical direction depending on the diameter or shape of the positioning pin 6.

8 and 9 show an embodiment for solving the above-mentioned problem. 8 (a) and 8 (b), the base frame 3 is used for limiting the position of the film in the up and down direction in addition to the positioning pin 6 to limit the position of the film in the left and right directions. The positioning member 13 is provided. 8 (c) and 8 (d), the cover frame 2 is provided with pin holes 7 and 14 which are fixed to the positioning pins 6 and 13.

Referring to FIG. 9, the base frame 3 has a recess 15 in the middle portion in the vertical direction, and the recess 15 has a width equal to the width of the film in the vertical direction. When the film is positioned on the recess 15, the position of the film can be limited in the up and down direction as in FIG.

According to the stereo slide mount of the present invention as described above, while the parallax of the subject selects the stereo slide mount having the width of the screen determined by using the screen-mask amount guide device or the like. It is precisely calibrated by mounting the film. The pitch between the left and right screens is the same even though the windows of the screen have different widths. Therefore, even if various stereo slide mounts having different screen-mask amounts are frequently replaced and used, the congestion angles for the left and right eyes are the same, resulting in less eye fatigue.

Here, the present invention is not limited only to the above-mentioned embodiments, and various modifications and changes are possible within the technical scope of the present invention, and it is natural that the present invention affects those modifications.

Claims (2)

Stereo slide mount consisting of a base frame and a cover frame with two rectangular windows arranged in parallel, mounting a stereo slide shot with a stereo camera with the same relative position between perforated film perforation and a pair of left and right shot screens A slide film is provided to the film-positioned surface of the base frame in a two-part position in combination with a perforation of the slide film to which the positioning pins are fixed, wherein a pin hole corresponding to the positioning pin is provided in the cover frame. Formed on a film-fixed surface, the positioning pin and the pin hole are fixed to each other so that the base frame and the cover frame are connected to each other, and the window width gradually decreases with respect to the width of the screen, but the pitch is constant between the left and right windows. When mounting by forming a stereo slide mount A stem is constructed and the positioning pins and the pinholes are arranged on the multiple stereo slide mounts such that the inner vertical sides of the left and right windows coincide with the inner edges of the film screen, and the outer cutouts of the left and right slide films are adapted to the multiple stereos. Stereo slide mount, characterized in that adjusted according to the difference in the window width in the slide mount. The stereo slide mount according to claim 1, wherein a hinge part is formed at a center of the base frame in a lateral direction so that the base frame can be folded.