CN1155680A

CN1155680A - Photographic film

Info

Publication number: CN1155680A
Application number: CN95118832A
Authority: CN
Inventors: 稻叶实
Original assignee: DAO YEREN
Current assignee: DAO YEREN
Priority date: 1994-11-28
Filing date: 1995-11-27
Publication date: 1997-07-30
Anticipated expiration: 2015-11-27
Also published as: CA2163589A1; FR2727530A1; IT1281041B1; DE19544138A1; ITTO950936A0; JPH08152697A; DE19544138B4; ITTO950936A1; KR100205826B1; JP2928111B2; FR2727530B1; KR960018753A; CN1076835C; CA2163589C

Abstract

A photographic film which makes it easy to recognize the positions for cutting the photographic film into frames and which can be used for both stereoscopic cameras and general cameras. The photographic film (1) is perforated as designated at (2) along near both the upper and lower side edges thereof maintaining a pitch which is one-half the pitch (P) of the pair of right and left exposure surfaces of a stereoscopic camera. The perforated holes (2) are located in a gap among the frames irrespective of whether pictures are taken by using a stereoscopic camera having a film-feeding mechanism that corresponds to the perforated holes (2) of the photographic film (1) or by using a one-frame shooting camera. The photographic film (1) can be cut maintaining a correct frame size when it is cut relying upon the upper and lower holes (2) as marks.

Description

Photographic film

The present invention relates to photographic roll film, particularly relate to porose rolling film.

Porose photographic films such as the photographic film of existing 35mm are provided with film perforation at regular intervals near its dual-side part.The spacing of film perforation for example is about 4.735mm on the film of 35mm, being provided with of these film perforations is the ratchet engaged that makes it with kinematograph originally, so that carry cinefilm.And in frequency still camera, make ratchet with the sendout of film perforation engagement with the detection film, so that it is constant to control the amount of giving of each width of cloth sheet.

In the past, in reversal film, for example because the marginal portion of the picture that takes out below black background all develops to equally blackly with the gap between picture, when cutting off the reversible film that has developed by the width of cloth, the border in the gap between picture edge and picture is not easy to judge like this.In addition, owing to be to set the location at interval towards the middle place of cardinal principle that the direction of transfer of porose rolling film is aimed at film perforation with fine pitch, so there is not target as off-position, can take place to make picture damaged because of mistaken off-position, in order to prevent that this problem from taking place, the requirement operator that has to pays special attention in processing procedure, and this is a shortcoming of prior art.

Therefore, for a kind of photographic roll film is provided, it is judging off-position when pursuing the width of cloth after finishing development and cut off easily, improve handling property simultaneously, not only be adapted to the single width photographic camera but also be adapted to stereoscopic camera, and will inevitably produce the technical matters that must solve, the present invention is a purpose to address the above problem exactly.

In order to achieve the above object, the present invention adopts following technical scheme: will be each other equally spaced film perforation towards length direction up and down symmetrically near the photographic film the both sides of the edge up and down of configured in parallel at film, according to the above-mentioned film perforation of 1/2 spacing configured in parallel that is arranged on a pair of plane of exposure spacing in the stereocamera main body of using this photographic film; Or according to the 1/3 spacing configured in parallel film perforation that is arranged on a pair of plane of exposure spacing in the stereocamera main body of using this photographic film; Or according to the above-mentioned film perforation of uniform distances configured in parallel that is arranged on a pair of plane of exposure spacing in the stereocamera main body of using this photographic film.

Claim 1 of the present invention is characterised in that: be configured near the both sides of the edge up and down of film of photograph usefulness sheet pitch of holes and be stereocamera a pair of plane of exposure spacing 1/2.Therefore, producing one group of stereophotograph with the 1st and No. 3 film, then produce the stereophotograph or common the pursuing in the camera that the width of cloth photographs of next group stereophotograph with the 2nd and No. 4 film, the interval of film perforation between each width of cloth of film after photographing, when the film after developing is cut off by the width of cloth, the target that the straight line of film perforation just becomes to cut off about linking.

The photographic film of claim 2 record, it is the interval of the film perforation of plane of exposure during of setting a pair of stereophotograph at interval corresponding at interval stereoscopic camera of three width of cloth separately, no matter use in the camera at this stereoscopic camera or by width of cloth photography, after the photography, film perforation all is positioned at the interval between each width of cloth.

The photographic film of claim 3 record separates the stereoscopic camera of a width of cloth corresponding to the spacing of the plane of exposure of paired stereophotograph, the spacing of film perforation constitutes the spacing of a width of cloth, that no matter uses this stereoscopic camera or same frame spacing uses camera by width of cloth photography, and film perforation all is positioned at the interval between each width of cloth.

Fig. 1 is the front elevation of the photographic roll film put down in writing of claim 1 of the present invention.

Fig. 2 is the exploded perspective view of stereo slide mount.

Fig. 3 is the front elevation of the photographic roll film put down in writing of claim 2 of the present invention.

Fig. 4 is the front elevation of the photographic roll film put down in writing of claim 3 of the present invention.

One embodiment of the invention are described with reference to the accompanying drawings.For convenience of explanation, at first do a simple declaration with regard to stereocamera.Various stereocameras are arranged in prior art, and its basic formation is that the camera mechanism of two systems is configured in the camera body side by side, can take two photos simultaneously.Then two one group lantern slide after taking is installed on the stereo-slide mount, this stereo slide mount is seated on the stereopticon viewing equipment, observe the reward stereoscopic image by two.

Fig. 1 shows the photosensitive emulsion coated face of the photographic film of claim 1 record, and 1R, 2R, 1L, 2L are to use the plane of exposure of the stereocamera of this photographic film respectively.When utilizing the stereocamera photography,, take L and a pair of image of R by the camera mechanism of two systems.

At proximal edge place, the both sides of photographic film 1, be the 1/2 spacing configuration film perforation 2 of a pair of plane of exposure spacing P1 by L, the R of aforementioned stereoscopic camera.Being shaped as of film perforation 2 along photographic roll film throughput direction elongated rectangle or Long Circle.

Roll photographic film 1 by the roll up operation of stereocamera,, 1L and 1R are photographed simultaneously, photograph by the order of 2L and 2R, 3L and 3R, 4L and 4R then so that make plane of exposure be positioned at the centre of adjacent film perforation 2.

The center line separately of opposed film perforation 2 cuts off after the photographic roll film that develops is along connecting up and down with photography, is divided into the width of cloth, is contained on the stereo-slide mount then.

Stereo-slide mount 3 shown in Figure 2 is formations of using the mount (the flat 6-92635 of patented claim number) that a lantern slide that the applicant applied for uses, so, on the skeleton frame 4 by and the optical axis of the pair of lens of stereocamera between paired sheet platform 5 and window 6 about equidistant spacing configuration.Register pin 7 vertically-arrangeds are on four angles of spill terrace part 5.On external diameter when register pin 7 is formed on and links to each other with film perforation 2, the interval of left and right sides register pin 7 equates with the interval of the throughput direction of the film perforation 2 of photographic roll film 1, the same with register pin 7 form film perforation 2 separately between the upper and lower every.The central authorities of the film gland 8 of setting-in are provided with window 9 on spill sheet platform 5, and the pin embedded hole 10 of corresponding register pin 7 is arranged on the corner location.

As shown in Figure 2, on a pair of anaglyphic lantern slide L that will cut off by the width of cloth, the spill sheet platform 5 that R is placed on sheet frame 4 respectively, film gland 8 is placed and when making register pin chimeric from the top, then the curling of photographic film that covers flattened by film gland 8, cooperate and position up and down, correct location with register pin 7 by making punching 2.

In addition, as stereocamera, can think constituting by picture dimension or optical system between the plane of exposure that is disposed on pair of right and left of two width of cloth.Fig. 3 shows the photographic film 11 of claim 2 record of corresponding above-mentioned stereocamera.The film perforation 12 of this photographic film 11 is by the 1/3 spacing configuration of the pair of right and left plane of exposure spacing P2 of above-mentioned stereocamera, after three groups of stereographic shootings finishing 1L and 1R, 2L and 2R, 3L and 3R, the film of rolling up 4 width of cloth portions carries out 4L and the later shooting of 4R.

In addition, in the stereocamera that uses the film also bigger, in order to obtain the stereoeffect of nature near the distance between people's two eyes, and make the plane of exposure of pair of right and left adjacent by the spacing that makes the pair of right and left plane of exposure than 35mm film type and size.In addition, even in the stereocamera of film that uses 35mm or narrower photographic roll film, also can consider in optical system to make the adjacent scheme of plane of exposure with prism etc.Fig. 4 shows the photographic film 21 of claim 3 record that correspondence makes the stereocamera of above-mentioned plane of exposure adjacency.The film perforation 22 of this film 21 by with the identical spacing configuration of plane of exposure spacing P3 of the pair of right and left of above-mentioned stereocamera.After one group of stereographic shooting finishing 1L and 1R, last two width of cloth of photographic roll film 21 volumes are carried out the shooting of 2L and 2R again.

Therefore, promptly use be not the general photography piecewise of stereocamera with under the situation of camera, also can by every width of cloth in turn with the original the same shooting of finishing above-mentioned

photographic roll film

1,11,12 of porose photographic film.

In addition, if utilize the stereocamera (the flat 6-25229 of patent number) of the configuration parallax adjusting mechanism that the applicant applied for to use

photographic roll film

1,11,21 of the present invention to carry out the anaglyphic lantern slide photography, anaglyphic lantern slide is contained on the above-mentioned stereo-slide mount 3, under not adjusting, be fixed on the correct interval anaglyphic lantern slide of pair of right and left, then when utilizing the stereopticon viewing equipment to appreciate, can obtain the correct stereoeffect of reproducing when photographing.

In addition, the invention is not restricted to described in the above-described embodiments 35mm film, can use various porose films, these contents that the present invention relates to also are conspicuous.

Because the present invention constitutes the photographic film that provides like that according to what describe in detail among the above-mentioned embodiment, promptly use stereocamera or other any general photograph to take, film perforation is in the gap of each picture, the danger of mistaken off-position when particularly having eliminated the reversal film that under dark background, to take and cutting off by the width of cloth.Except significantly improving serviceability, when replacing porose film such as present 35mm film any obstacle can not take place yet, and have various advantages.

Claims

1. photographic film, it is characterized in that: equally spaced film perforation along long side direction up and down symmetrically configured in parallel up and down near the photographic film the both side edges part, above-mentioned film perforation is be arranged in parallel at film according to 1/2 spacing of the spacing of the intrinsic a pair of plane of exposure of stereocamera that is configured in this photographic roll film of use.

2. photographic film, it is characterized in that: equally spaced film perforation along long side direction up and down symmetrically configured in parallel up and down near the photographic film the both side edges part, above-mentioned film perforation is be arranged in parallel at film according to 1/3 spacing of the spacing of the intrinsic a pair of plane of exposure of stereocamera that is configured in this film of use.

3. photographic roll film, it is characterized in that: equally spaced film perforation along long side direction up and down symmetrically configured in parallel up and down near the photographic film the both side edges part, above-mentioned punching is be arranged in parallel at film according to the spacing identical with the spacing of the intrinsic a pair of plane of exposure of stereocamera that is configured in this photographic roll film of use.