DEVICE FOR IMITATION PROTECTION OF OBJECTS BEING MONITORED Russian patent published in 2007 - IPC G08B25/04 

FIELD: intruder and fire alarms, in particular, devices for imitation protection of objects being monitored, possible use for protecting various objects belonging to national economy.

SUBSTANCE: device for imitation protection of objects being monitored consists of transmission block with sensor and signal selection block, translator with information processing block, information receipt block with control block and communication line between transmission block and translator. Sensor comprises: launching sequence memory block, comparison block, generator of second pseudo-random series, block for converting n-bit parallel combination to a serial combination, memory block, block for converting serial combination into n-bit parallel combination, demodulator, modulator, matching device. Information processing block comprises: launching sequence memory block, block for converting n-bit parallel combination to serial combination, modulator, matching device, key generator, generator of first pseudo-random series, control value memory block, generator of second pseudo-random series, first memorizing device, comparison block, second memorizing device, block for converting a serial combination to n-bit parallel combination and demodulator.

EFFECT: increased trustworthiness of monitoring of protected objects, expanded functional capabilities of devices for signaling status of objects being monitored.

1 dwg