Patent · US Expired

Forgery prevention microcontroller circuit

US6334206A · kind A · utility

1Cited by
9References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 10, 1999
Grant dateDec 25, 2001
Priority date
Expiry dateMar 10, 2019

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F2207/7219
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

The invention relates to a microcontroller circuit, comprising circuit elements arranged on a semiconductor body. In order to make a tentative forgery of such a microcontroller circuit at least more difficult, at least a number of the co-operating circuit elements is provided on the semiconductor body in an irregularly scrambled spatial configuration.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.