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2 132 112

(13)

(51)

IPC

(21) (22)

Application

98108311/09, 1998-04-29

(22)

Actual filing date

1998-04-29

(45)

Published

1999-06-20

(72)

Inventor

Kogan D.A.Moldavskij M.M.Kamennov A.G.

(73)

Holder

Gosudarstvennoe Predprijatie I Proektno-Konstruktorskij Institut Sredstv Avtomatizatsii Na Zheleznodorozhnom Transporte"

GENERATOR OF INFRA-LOW-FREQUENCY PULSES Russian patent published in 1999 - IPC

Abstract RU 2132112 C1

FIELD: electrical engineering, pulse equipment, in particular, for control circuits of pulse operations of railroad automation equipment. SUBSTANCE: device has pulse generator, amplifier, output relay, two voltage dividers, capacitor, PCP, pulse power supply, ON relay, secondary power supply, load and direct current amplifier. Goal of invention is achieved by automatic switching of output relay by current which is started by load. EFFECT: increased service life of relay. 1 dwg

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RU 2 132 112 C1

Authors

Kogan D.A.

Moldavskij M.M.

Kamennov A.G.

Dates

1999-06-20—Published

1998-04-29—Filed