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2 085 836

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C1

(51)

IPC

(21) (22)

Application

94027487/28, 1994-07-20

(22)

Actual filing date

1994-07-20

(45)

Published

1997-07-27

(72)

Inventor

Varjatin A.G.Zajtsev I.M.Ledenev G.Ja.

(73)

Holder

Raketno-Kosmicheskaja Korporatsija Im.S.P.Koroleva

OPTICAL DEVICE WHICH MEASURES DISTANCE FROM SURFACE TO INITIAL POINT Russian patent published in 1997 - IPC

Abstract RU 2085836 C1

FIELD: instruments. SUBSTANCE: laser beam is directed towards measured surface through light focusing unit. Light which is reflected from surface is received by projection optical system and is transmitted through optical unit, which converts light spot into flat light beam, into photodetector, which is connected to electronic generator of distance signal. Optical matching of optical axis of focusing unit and sensitive surface of photodetector which light-sensitive elements are located in position which is perpendicular to conversion plane of optical unit. Optical axis of focusing unit is directed towards bisector of maximal angle between normal directions to surface to be measured. EFFECT: increased precision. 2 cl, 3 dwg

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RU 2 085 836 C1

Authors

Varjatin A.G.

Zajtsev I.M.

Ledenev G.Ja.

Dates

1997-07-27—Published

1994-07-20—Filed

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