OPTIC STORAGE Russian patent published in 1995 - IPC

Abstract SU 1835958 A1

FIELD: instrumentation engineering. SUBSTANCE: optical storage os provided with two sources of modulated plane-polarized electromagnetic radiation. System of automatic control over convergence of rays of these sources is used for convergence of rays on mobile information medium and on photodetector of first photoreceiving unit. EFFECT: enhanced reliability of recording and replay of information. 9 cl, 9 dwg

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SU 1 835 958 A1

Authors

Antonov A.A.

Petrov V.V.

Sokolov V.A.

Sharaja I.V.

Dates

1995-04-10—Published

1989-11-09—Filed