INTRUSION PROTECTION DEVICE Russian patent published in 2004 - IPC

Abstract RU 2234135 C1

FIELD: informing about changes in location of guarded objects relative to user guarding them.

SUBSTANCE: device intended to ensure simultaneous control of a number of objects and their identification, pre-warning about probable loss of contact with guarded objects depends for its operation on using noise-like signal and makes it possible to divide signals acting in same frequency band and within same time intervals using their selection by shape, that is to solve problem of channel frequency multiplexing actually excluding impact of such devices on each other and also impact of noise on other radio systems, to enhance quantity of objects controlled (guarded) simultaneously, for instance by varying pseudorandom sequence when generating noise-like signal.

EFFECT: enlarged functional capabilities.

1 cl, 1 dwg

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RU 2 234 135 C1

Authors

Len'Shin V.P.

Rikhter S.G.

Dates

2004-08-10Published

2003-02-27Filed