FIELD: electricity.
SUBSTANCE: device for record deletion from magnetic information media contains the following: storage battery, electronic switch, voltage converter, voltage divider, switched mode power supply, two energy accumulators, microcontroller, two electronic commutators, start control unit, two field-forming systems, two magnetically sensitive elements, two matrix converters of magnetic fields, amplitude selector, system block and monitor.
EFFECT: improving quality of information deletion on magnetic medium with simultaneous monitor viewing of magnetic record relief till the information is deleted and after it in any section of magnetic medium without removal of magnetic medium from working volume of field-forming systems.
8 cl, 17 dwg
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