FIELD: information technologies.
SUBSTANCE: antitheft signal device comprises two parts (10, 12) arranged on opposite sides of item (11) so that rod (14) installed on one part (12) passes through the item and forms lock joint with the second part (10). The first part comprises body having bottom (15) and cover (16), besides body also includes signal device (20) and circuit board (18) with electronic circuit that controls signal device. Rod connected to cover or circuit board passes with sliding fit through the bottom, and contact facility (39) switches to start the signal device as a result of cover or circuit board deformation in attempt to split two parts of signal device.
EFFECT: improved reliability of signal device.
10 cl, 9 dwg
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| ALARM LIGHT | 2003 |
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| 0 |
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SU13850A1 | |
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RU2215324C2 |
