Technologies

Bipolar Detection

The use of microcontrollers in passive infrared detectors enables the application of optimal algorithms to detect a moving person. The PATROL-401PET and PATROL-901 digital PIR detectors apply the latest and most effective method of bipolar detection.

The algorithm, based on bipolar detection, includes an analysis of signals and a calculation of bipolar pulses within certain time intervals and allows the detector to be adapted to various objects with complex operational conditions.

In small premises with a stable climate - such as apartments, small offices or small shops - it is advisable to detect a person by using one monopolar or two bipolar pulses. In large premises with a varying environment, such as industrial plants, malls, supermarkets, warehouses or hangars, where the detector is subject to more severe conditions it is more effective to use a bipolar algorithm, based on 3 or 4 pulses.

The principle of bipolar detection has led to a detector with high interference immunity, which ignores disturbances, such as light exposure, sudden temperature changes, radio frequency interference (RFI) and electromagnetic interference (EMI). 

The PATROL-401 and PATROL-901 PIR detectors, which are based on bipolar pulse detection, detect successfully a person's movement in spite of the various interferences commonly found in large premises and virtually eliminate false alarms and costly service calls.

WARRANTY

 

GSN Electronic Company Ltd, warrants the product to be free from defects in materials and workmanship under condition of observance of service regulations and to be repaired or replaced under absence of mechanical damages for a limited period of five years from the date of sale.

PATENTED PRODUCTS

 

Products and trademarks of GSN Electronics Company Ltd are covered by one or more of the following patents in different countries in the world:

GSN ISRAEL

 

GSN Electronic Company Ltd.
29 Sderot Maale Yitshak, Nazareth-Illit 1710501, Israel
Tel: (972) 4 646 71 52
Fax: (972) 4 656 24 14
E-mail: gsn@gsncompany.com

GSN RUSSIA

 

GSN Electronic Company Ltd.
Business Park "Rumyantsevo" Building 2, Office 816g,142,784 Moscow, Russia
Tel: (495) 727 43 57

Fax: (495) 727 43 51
E-mail: moscow@gsncompany.com

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Patented countries

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