DEVICE WHICH TESTS AND CONTROLS AUTOMATION OBJECTS Russian patent published in 1998 - IPC

Abstract RU 2105426 C1

FIELD: electric communication. SUBSTANCE: device has control unit, continuous test circuit, keyboard unit, call receiver, telephone code receiver, decoder. Goal of invention is achieved by introduced commutator, transmitter, programmed interrupter, call acknowledging unit, indicator. Keyboard unit and decoder can be tuned. Said device can be used both at automation object or in dispatch center. EFFECT: possibility to use telephone sets of arbitrary type, device design which is separate from telephone set. 5 dwg

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RU 2 105 426 C1

Authors

Dzjadchik V.Ja.

Kuznetsov V.F.

Livshits G.E.

Dates

1998-02-20—Published

1994-07-11—Filed