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2 100 908

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IPC

(21) (22)

Application

95122543/09, 1995-12-28

(22)

Actual filing date

1995-12-28

(45)

Published

1997-12-27

(72)

Inventor

Adzhemov A.S.Drynkin G.S.Knjazev A.V.Koval' A.N.Lupanin V.P.Solov'Ev S.P.Srednikov A.V.Kharitonova E.P.

(73)

Holder

Aktsionernoe Obshchestvo Zakrytogo Tipa Nauchno-Tekhnicheskij Tsentr

ANALOG-TO-DIGITAL AND DIGITAL-TO-ANALOG CONVERTER OF TELEPHONE SIGNALS Russian patent published in 1997 - IPC

Abstract RU 2100908 C1

FIELD: telephone equipment, in particular, interface between digital and analog phone exchange systems in city, long-distance and international networks. SUBSTANCE: device has n interface and encoding units 1.1-1.n, group receiver 2 of linear signals, re-coding unit 3, digital line 4, unit 5 for detection and input of service channels, control unit 6, oscillator unit. EFFECT: possibility to send service (linear) signals. 1 dwg

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RU 2 100 908 C1

Authors

Adzhemov A.S.

Drynkin G.S.

Knjazev A.V.

Koval' A.N.

Lupanin V.P.

Solov'Ev S.P.

Srednikov A.V.

Kharitonova E.P.

Dates

1997-12-27—Published

1995-12-28—Filed