GONIOMETER FOR OPTICAL OBSERVATION INSTRUMENT Russian patent published in 1994 - IPC

Abstract RU 2025753 C1

FIELD: optical instruments. SUBSTANCE: cell with float transparent coil with angle-measuring scale is rotatable in tube and its turning is controlled by drive ring outer relative to tube and is magnetically connected with bearing inner race in which cell is installed. Made on cell end face glass are line marks one of which runs through axis of angle-measuring scale on coil. EFFECT: higher efficiency. 5 dwg

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RU 2 025 753 C1

Authors

Sokolov B.I.

Sokolova O.I.

Sokolov N.B.

Sokolov A.B.

Dates

1994-12-30—Published

1991-05-05—Filed