SU75913A1 - Light Effect Device - Google Patents

Description

The proposed device for creating light effects is based as well as the known devices of this kind on the use of light polarized with the help of an optical system of two polaroids, between which is placed a medium of refractive material.

This device differs from the known ones in that in order to display different images in the colors of interference one of the polys is made in the form of a cylindrical filter that is moved around a light source.

The filter consists of plates of a poloid film of various sizes and shapes, closely adjacent to each other at different angles. The number and size of the plates may vary.

Combination Device

The filter is based on the peculiarity of the structure of the polar film consisting of the smallest 1 parallel lines, the change in the angle of inclination of which with respect to the image of birefringent materials is the same as the relationship between the angles of inclination of one such film - polarizer - and the other film - analyzer, - oouslo, infuse the emergence and change of certain colors of interference. Based on the said structure of the polar film (poloid), a combined cylindrical filter is obtained, having two initial plates located one against the other with mutually perpendicular structural lines, and a row of plastic plates located between these two initial plates, the slope of which are It is a successive transition from vertical to horizontal position. The series of plates from horizontal to vertical is a kind of scale in which the intervals between the components of this scale are measured in degrees.

When displaying artistic images, the loudspeaker is set into rotation, and the light source may be still.

To create a change in the color of images, a device of a similar design can be used, in which the scale of polar film is replaced by a scale of colorless, transparent birefringent material.

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In such a device, the light source is provided with a cylindrical one-piece poloid filter, like a lamp shade, vertically located (not demonstrating it remains stationary), and a second concentrically located cylinder of a larger radius of cellophane (or other birefringent material) attached to the base solid transparent cylinder, glass, plexiglass or other isotropic material.

In the design of this device, the role of the combined filter is cellophane. This filter is also composed of vertical plates with two oppositely attached plates, the arrangement of which structural lines are perpendicular.

The intermediate plates are arranged in the same way as in the first embodiment, with the source of light with a polaroid shade remaining stationary, while the large cylinder with a combined cellophane filter rotates.

Subject invention

Claims (2)

1. A device for creating light effects based on the use of light polarized at the help of the optical.-system of two polaroid polarizer and analyzer and the medium placed between them of birefringent material, characterized in that, in order to demonstrate different images in the colors of interference, one of the polaros is designed as a combined filter moved around the light source in the form of, for example, a cylinder composed of individual plates of various shapes and structures, the polarization planes of which are located at different angles to each other so that, depending on the ratio p The sizes and angles of inclination of the planes of polarization of individual plates could be used to obtain a change in the color of polarized light in a given sequence. 2. The form of the device according to claim 1, characterized in that, in order to obtain additional color effects, a combined filter in the form of a film tape or plates of birefringent material attached to a base of glass, plexiglas or other transparent isotropic material, made with the possibility of its movement relative to the fixed poloid.