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2 011 952

(13)

C1

(51)

IPC

(21) (22)

Application

4886971/25, 1990-12-04

(22)

Actual filing date

1990-12-04

(45)

Published

1994-04-30

(72)

Inventor

Gulakov I.R.Kholondyrev S.V.Shablinskij O.E.

(73)

Holder

Belorusskij Gosudarstvennyj Universitet

PHOTON COUNTER Russian patent published in 1994 - IPC

Abstract RU 2011952 C1

FIELD: electronic engineering. SUBSTANCE: photon counter having avalanche photodiode and comparator is provided in addition with current differentiating circuit, one-shot multivibrator, and electronic switch. Current differentiating circuit separates moment of avalanche current decrease during suppression and then electronic switch functions to recover working voltage across avalanche photodiode. EFFECT: improved design. 1 dwg

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RU 2 011 952 C1

Authors

Gulakov I.R.

Kholondyrev S.V.

Shablinskij O.E.

Dates

1994-04-30—Published

1990-12-04—Filed

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