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(19)

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(11)

2 047 281

(13)

C1

(51)

IPC

(21) (22)

Application

93016104/10, 1993-03-29

(22)

Actual filing date

1993-03-29

(45)

Published

1995-10-27

(72)

Inventor

Katanovich A.A.

(73)

Holder

Vojskovaja Chast'

COMMUTATION UNIT FOR INTER-UNIT LOUD-SPEAKING SERVICE Russian patent published in 1995 - IPC

Abstract RU 2047281 C1

FIELD: communications. SUBSTANCE: device has commutation unit, units for interface to user lines for speech signal transmission, control unit, units for interface to user lines of control signal transmission, unit providing virtual conference communications, fault detection unit, unit of switches that keep their state. EFFECT: increased functional capabilities. 1 dwg

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RU 2 047 281 C1

Authors

Katanovich A.A.

Dates

1995-10-27—Published

1993-03-29—Filed

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