BR112022007174A2 - MULTIDIRECTIONAL MAGNETIC FIELD AREA READER SYSTEM WITH FEATURES - Google Patents

MULTIDIRECTIONAL MAGNETIC FIELD AREA READER SYSTEM WITH FEATURES

Info

Publication number
BR112022007174A2
BR112022007174A2 BR112022007174A BR112022007174A BR112022007174A2 BR 112022007174 A2 BR112022007174 A2 BR 112022007174A2 BR 112022007174 A BR112022007174 A BR 112022007174A BR 112022007174 A BR112022007174 A BR 112022007174A BR 112022007174 A2 BR112022007174 A2 BR 112022007174A2
Authority
BR
Brazil
Prior art keywords
magnetic field
field area
features
reader system
area reader
Prior art date
Application number
BR112022007174A
Other languages
Portuguese (pt)
Inventor
Bryan Hardin Keith
Original Assignee
Lexmark Int Inc
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 as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US17/017,086 external-priority patent/US20210111899A1/en
Application filed by Lexmark Int Inc filed Critical Lexmark Int Inc
Priority claimed from US17/071,759 external-priority patent/US20210028950A1/en
Publication of BR112022007174A2 publication Critical patent/BR112022007174A2/en

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  • Recording Or Reproducing By Magnetic Means (AREA)

Abstract

SISTEMA DE LEITOR DE ÁREA DE CAMPO MAGNÉTICO MULTIDIRECIONAL COM RECURSOS. Trata-se de um sistema para uso em processos de autenticação compreendendo uma função não clonável física (PUF), um substrato, uma pluralidade de partículas magnetizadas aleatoriamente dispersadas no substrato, um leitor de PUF construído usando múltiplos chips de magnetômetro discretos que têm sensores de campo magnético. Os dados de campo magnético medido podem ser comparados a dados anteriormente registrados para avaliar autenticidade.FEATURED MULTIDIRECTIONAL MAGNETIC FIELD AREA READER SYSTEM. It is a system for use in authentication processes comprising a physical non-clonable function (PUF), a substrate, a plurality of randomly dispersed magnetized particles on the substrate, a PUF reader constructed using multiple discrete magnetometer chips that have magnetic field. The measured magnetic field data can be compared to previously recorded data to assess authenticity.

BR112022007174A 2019-10-16 2020-10-15 MULTIDIRECTIONAL MAGNETIC FIELD AREA READER SYSTEM WITH FEATURES BR112022007174A2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201962916029P 2019-10-16 2019-10-16
US17/017,086 US20210111899A1 (en) 2019-09-10 2020-09-10 Cryptoanchor reader
US17/071,759 US20210028950A1 (en) 2019-06-03 2020-10-15 Multidirectional magnetic field area reader system with features
US2021096635 2021-05-20

Publications (1)

Publication Number Publication Date
BR112022007174A2 true BR112022007174A2 (en) 2022-06-28

Family

ID=83355814

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112022007174A BR112022007174A2 (en) 2019-10-16 2020-10-15 MULTIDIRECTIONAL MAGNETIC FIELD AREA READER SYSTEM WITH FEATURES

Country Status (1)

Country Link
BR (1) BR112022007174A2 (en)

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Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]