Patent · US Expired

Password security method

US5042067A · kind A · utility

10Cited by
6References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 23, 1990
Grant dateAug 20, 1991
Priority date
Expiry dateMar 23, 2010

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG07C9/33
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

Disclosed is a password security method in a man-machine system for keeping the secrecy of a password during a setting process of the system. To keep not only the secret of the password but also the presence of the password from unauthorized users, the method comprises a prompt displaying step for prompting to enter an equipment name and not prompting to enter the password; a password discriminating step to discriminate whether or not a correct password is entered; a step for entering a normal mode when the correct password is not detected; and step for entering a password mode when the correct password is detected.

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