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2 078 402

(13)

(51)

IPC

(21) (22)

Application

93009690/09, 1993-02-24

(22)

Actual filing date

1993-02-24

(45)

Published

1997-04-27

(72)

Inventor

Blinder I.D.Kamenetskij B.I.Andrushko O.S.

(73)

Holder

Nauchno-Issledovatel'Skij I Proektno-Konstruktorskij Institut Sredstv Avtomatizatsii Na Zheleznodorozhnom Transporte

DEVICE FOR CONNECTION OF TWO-WIRE LINES TO FOUR-WIRE CHANNELS Russian patent published in 1997 - IPC

Abstract RU 2078402 C1

FIELD: radio telephone dispatch communications. SUBSTANCE: device has signal distributor 1, first and second linear units 2.1 and 2.2, first, second and third four-wire terminal connectors 3.1, 3.2, 3.3, paging-testing unit 4, tone signal receiving unit 5, first and second OR gates 6, 7. EFFECT: distributed networks for repair and on-line services. 5 dwg

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RU 2 078 402 C1

Authors

Blinder I.D.

Kamenetskij B.I.

Andrushko O.S.

Dates

1997-04-27—Published

1993-02-24—Filed