238000007906 compression Methods 0.000 claims description 2.230000005540 biological transmission Effects 0.000 claims abstract description 8.
Assignors: GENTET, MICHEL, NICOLET, ANDRE Application granted granted Critical Publication of US4609957A publication Critical patent/US4609957A/en Anticipated expiration legal-status Critical Status Expired - Fee Related legal-status Critical Current Links Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority to FR8202549A priority Critical patent/FR2521748B1/en Priority to FR8202549 priority Application filed by Crouzet SA filed Critical Crouzet SA Assigned to CROUZET A FRENCH COMPANY reassignment CROUZET A FRENCH COMPANY ASSIGNMENT OF ASSIGNORS INTEREST. Original Assignee Crouzet SA Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Fee Related Application number US06/462,780 Inventor Michel Gentet Andre Nicolet Current Assignee (The listed assignees may be inaccurate.
MAGNETIC CARD ENCODER AND READER PDF
Google Patents Magnetic card reader-encoder apparatusĭownload PDF Info Publication number US4609957A US4609957A US06/462,780 US46278083A US4609957A US 4609957 A US4609957 A US 4609957A US 46278083 A US46278083 A US 46278083A US 4609957 A US4609957 A US 4609957A Authority US United States Prior art keywords magnetic card carriage magnetic axis write Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US4609957A - Magnetic card reader-encoder apparatus US4609957A - Magnetic card reader-encoder apparatus
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