RU1777650C - Photographic finish of photo documents - Google Patents

Abstract

Usage: recording a photo document of an object passing through a selected line. SUMMARY OF THE INVENTION: a prism unit 4 is placed in the device behind the lens 2, made with input and output faces perpendicular to each other, optically conjugated through two reflective faces, the first of which is installed perpendicular to the output face and at an angle 45 ° to the axis of the lens, and the second is placed at an angle of 45 [deg.] to the output face and parallel to the axis of the lens 2, while the input face is set normal to the axis of the lens 2. As a result, the storage medium 9 moves horizontally and horizontally the manifest unit 8. moves and bends freely in a natural way. The photo finish is a structure that also contains an electronic unit 3 mounted in the housing 1 and a pull-5 assembly with a slotted diaphragm b and a numeric indication unit 7. The pull-out assembly 5 is mounted so that the slotted diaphragm 6 and the carrier Information 9 is in a horizontal plane under the output face of the prism unit 4. The numeric display unit 7 is mounted above the plane of the information medium 9. The development unit 8 is attached to the housing 1.6. CO C

Description

Figure 1

The invention relates to photographic equipment, in particular to devices for registering a finish line, and can be used to obtain a photographic document of the order and time of passage of objects through an arbitrarily selected line.

A device is known for recording the parameters of a moving object 1.

However, the absence of a control unit does not allow for express analysis of the measurement results recorded on the photograph.

The closest in technical essence to the invention is a device for registering the finish, comprising a lens, a pull unit with a slit diaphragm and an indication unit, an electronic unit, a housing and a wiring unit 2.

A disadvantage of the known device is the need to rotate the information carrier 90 ° from a vertical plane to a horizontal plane for subsequent development. As a result of this, the reliability of the device in operation is reduced, and increased demands on strength, durability, and elasticity are placed on the data carrier.

In addition, in devices of this type with media rotation, the use of wide information carriers of 100 mm and wider will cause a significant increase in the overall dimensions of the device.

The aim of the invention is to increase reliability and expand operational capabilities.

This goal is achieved by the fact that in the photo finish, comprising a lens, a pull unit, an information carrier with a digital display unit and a slit diaphragm located perpendicular to the direction of movement of the information carrier and optically coupled to the lens, a development unit and an electronic unit equipped with a prism unit located behind the lens, the input and output faces of which are perpendicular to each other and are optically coupled through two reflecting faces, the first of which set It is perpendicular to the output face and at an angle of 45 ° to the axis of the lens, and the second is placed at an angle of 45 ° to the output face and parallel to the axis of the lens, while the slit aperture is located behind the output face of the prism unit, the input face of which is installed normally to the axis of the lens .

Figure 1 presents a General view of the device; figure 2 is the same, a top view; in Fig.Z - prismatic block photo finish; on the

figure 4 is the same side view; figure 5 is the same, a top view; Fig. b is a view along arrow A in Fig. 5.

The device comprises a lens 2 mounted in the housing 1, an electronic unit 3, a prism unit 4 mounted behind the lens 2 so that its input face AVSD is normal to the axis of the lens 2. The device also includes a pulling unit 5 with a slotted diaphragm 6 and a numeric display unit 7 and development unit 8. The drive unit 5 is mounted so that the slit diaphragm b and the storage medium 9 are in a horizontal plane, under the output face of the SKLN. The storage medium 9 is located under the pinhole diaphragm 6 with the photosensitive layer up and can move along the axis of the lens 2.

The numeric indication unit 7 is mounted above the plane of the information carrier 9 and is oriented relative to the slotted diaphragm 6. The development unit 8 is attached to the housing 1.

The device operates as follows.

The apparatus is aimed at the finish line (not shown). In this case, the image rays, through the lens 2, enter the prism unit 4 (see Figs. 1 and 3), the passage normally through the input face of the AED (see Figs. 5 and 6), is reflected by the AEKD face. located perpendicular to the horizontal plane and at an angle of 45 ° to the axis of the lens 2. Next, the beam of rays passes through the body of the block 4. is reflected by the reflecting face ON, located at an angle of 45 ° to the horizontal plane and parallel to the axis of the lens 6. Passage through the body of the prismatic block 4 , the rays exit t normally the output face of the SKLN. As a result of all reflections, the images of the finish line are projected through the slit diaphragm 6 onto the horizontal plane of the information carrier 9 perpendicular to the direction of its movement. Focusing is performed on the resulting image observed through the ONLY planes. The numbers are projected using the number display unit 7.

To draw an image of the object, a pull unit is turned on.

The information carrier 9 moves along the axis of the lens 2. On it, under the slit diaphragm 6 and the indicating unit 7, an image of an object and numbers (not shown) is formed. The storage medium 9 then passes to the development site 8, where it appears and is fixed. At the output, an image of the object with the passage time of the finish line is obtained.

The use of prismatic block A allows exposing the storage medium 9 in a horizontal plane, which increases the reliability of the photo finish in operation.

In this device, due to the rotation of the image, the plane of the information carrier 9 is exposed horizontally and horizontally enters the development unit 8. In this way, the reasons for clamping the medium 9 are automatically eliminated. It moves and bends freely in a natural way.

Consequently, the requirements on the mechanical properties of the substrate of the photosensitive layer are reduced. It becomes possible to use cheap paper-based media. This can be, for example, an oscillographic roll of photo paper.

This device also extends operational capabilities.

Thus, it is possible to use a storage medium with a width of 120 mm or more without significant changes. In this case, using an appropriate lens, it is possible to obtain image sizes of an object of 100 or more millimeters.

At the same time, there is no need to enlarge the image and additional projection equipment.

Claims (1)

SUMMARY OF THE INVENTION A photofinish comprising a lens housed in a housing, a media carrier unit with a numeric display unit and a slit diaphragm perpendicular to the direction of movement of the media and optically coupled to the lens, a development unit and an electronic unit, characterized in that In order to increase reliability and expand operational capabilities, it is equipped with a prism unit located behind the lens, the input and output faces of which are perpendicular to each other and opt they are interconnected through two reflecting faces, the first of which is installed perpendicular to the output facet at an angle of 45 ° to the axis of the lens, and the second is placed at an angle of 45 ° to the output face and parallel to the axis of the lens, while the slit aperture is located behind the output face of the prism block, the input side of which is installed normally to the axis of the lens. FIG. I K Ј AK Ajlb H | AND # 77 n FieL Fie. 5 V7 with