IT1257383B - Device and procedure for electrical obliteration of magnetic medium type value cards
- Google Patents
Device and procedure for electrical obliteration of magnetic medium type value cards
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Publication number
IT1257383B
IT1257383BITTO920608AITTO920608AIT1257383BIT 1257383 BIT1257383 BIT 1257383BIT TO920608 AITTO920608 AIT TO920608AIT TO920608 AITTO920608 AIT TO920608AIT 1257383 BIT1257383 BIT 1257383B
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Application filed by Urmet SpafiledCriticalUrmet Spa
Priority to ITTO920608ApriorityCriticalpatent/IT1257383B/en
Publication of ITTO920608A0publicationCriticalpatent/ITTO920608A0/en
Publication of ITTO920608A1publicationCriticalpatent/ITTO920608A1/en
Application grantedgrantedCritical
Publication of IT1257383BpublicationCriticalpatent/IT1257383B/en
Printers Or Recording Devices Using Electromagnetic And Radiation Means
(AREA)
Abstract
The device contains a pair of electrodes 11 generating an arc discharge which locally alters the structure of the magnetic medium of the card, and means including at least one oscillator 17 and one step-up voltage transformer TE for supplying the electrodes with a voltage capable of producing said discharge. <IMAGE>
ITTO920608A1992-07-171992-07-17Device and procedure for electrical obliteration of magnetic medium type value cards
IT1257383B
(en)
Device for generating an electrical voltage of predetermined waveform, iontophoresis apparatus for transdermally administering medicinal products and electrical stimulation apparatus, which apparatuses are equipped with such a device