SU1337909A1 - Optical head of television simulator of vehicle visual environment - Google Patents

Abstract

The invention relates to optical instrument making and allows expanding the functionality of the device. In the optical head behind the prism 6 a collective 7 is placed in the form of a two-convex lens and a matching lens 8o. The introduction of new elements and the formation of connections between them allowed for a smooth change in the head magnification and enhancement its relative aperture. Improved image quality as well. 1 silt, S (L, f, r-lHG -, - 7 ./5.1 СЛЭ С f о i; o

Description

The invention relates to optical instrumentation and can be used to simulate the visual environment for an operator conducting observation through various observation devices on vehicles modeling complexes.

The purpose of the invention is to enhance the functionality of the optical head by providing a smooth change in magnification, increase the relative aperture and image quality

The drawing shows the principal optical scheme of the optical head of the visual environment simulator

The head contains a head lens comprising four components 1-4, two prisms 5 and 6, team 7 and a matching lens 8. The first component 1 of the head lens is designed as a negative, dual-meniscus consisting of positive 9 and negative 10 meniscs facing concave to a subject, a positive meniscus 11, facing the concavity to the subject, a two-glued double convex lens, consisting of a negative meniscus 12, convex facing the subject, and a double convex lens 13, positive meniscus 14, about convexity to the object, and a double-concave dual lens, consisting of a double-concave lens 15 and a positive meniscus 16, convex to the subject “Second component 2 consists of a single double convex lens 17, a duplex negative meniscus-shaped lens, made of a positive 18 and negative 19 menisci encrusted to the object, two negative 20 and 21, and 22 positive menisci facing in concavity to the object. The third component 3 is made in the form of a single two-convex 23 and 2 4 and co-bent 25 lenses. The fourth component 4 contains a single double-bent lens. The first and fourth components are fixedly mounted, and the second and third components are movable along the optical axis.

Team 7 is made of a single biconvex lens. Matching lens 8 is made of a single double convex lens 25, a positive meniscus 26, seduced you

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convexity to the object, a dual-gated positive meniscus-shaped component made of a double-convex lens 27 and a double-concave lens 28, a dual-sided meniscus-like negative component consisting of a negative meniscus 29 and a positive mechanical 30, facing towards the object, and two positive menisci 31 and 32 convex to the object. The team is fixed and the matching lens is movable along the optical axis in conjunction with the transmitting television camera,

The optical head has a relative aperture of 1: 7. The distance from the object to the first surface can vary from 27 mm to 00. The numerical aperture in the image space is 0.07. The linear field of view in the image space is 15x20 mm. Angle field of view varies from 48 to 12

With an angular field of view of 48 ° at a spatial frequency of 12 min / mm, the coefficient of contrast transmission is not lower than 0.7 for the center of the field of view and not lower than 0.6 for the image size of 12.5 mm, and for an angular field of view I2 at spatial frequency 5 12 min / mm, the contrast transfer coefficient is not less than 0.38 in the center of the field of view and not less than 0.2 dL at 12.5 mm,

Claims (1)

Invention Formula I The optical head of a vehicle television simulator of the vehicle’s visual environment, containing the first prism, the head lens from the three components, the second prism and the transmitting television tube; in the head lens, the first component contains three meniscus faces facing the object, the first of which is positive, the second negative, positive dual lens from the negative meniscus and positive lens, positive single and negative lenses The second component is installed with the possibility of moving along the optical axis and contains a two-convex Inza, a two-glued lens and two menisciks, the second of which is negative. the third component contains two positive lenses, distinguished by the fact that, in order to extend the functionality by providing a smooth change of magnification, increase the relative aperture and image quality, the second prism has a collective in the form of a two-convex lens and a matching lens made of two-convex lenses, positive. meniscus convex to the object, a positive meniscus glued from two convex and two convex lenses, a negative meniscus facing concavity to the object and glued from negative and positive meniscuses, and two positive meniscus facing concavity to the object, while matching the lens and transmitting the television tube is mounted for movement along the optical axis, the collective and the photocathode of the transmitting television tube are arranged in optically conjugated lens in planes, and in the head lens between Editor A. Ogar Order A134 / 48 Compiled by V. Arkhipov Tehred M. Khodanych Corrector Circulation 433Subscribe VNIIPI USSR State Committee for inventions and discoveries P3035, Moscow, Zh-35, Raushsk nab., Production and printing company, Uzhgorod, Projecto st., 4 0 five the second prism and the team installed the fourth component in the form of a double-bent lens; in the first component, the positive and negative menisci are glued together in a negative meniscus; the third meniscus is made positive; to the object, a negative lens is made of glued from a double-bent lens and a positive meniscus; in the second component, a double-sided lens is made the positive and negative meniscus convex to the object, two menisci facing the object concavity, the first meniscus negative, the second meniscus having a positive meniscus facing the concavity to the object, the third component mounted to move along the axis, its positive lenses made two with a co-convex lens between them. Proofreader M. Pojo