Patent · US Expired

Method of deactivating device lock state, and electronic device

US7292230B2 · kind B2 · utility

23Cited by
3References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 19, 2003
Grant dateNov 6, 2007
Priority date
Expiry dateDec 13, 2024

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04M2250/22
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

An electronic device comprises a touch screen and is configured to enter a lock state upon the fulfilment of a predetermined condition. The device is configured to display one or more images on the touch screen when the device is in the lock state, of which images one or more includes at least one predetermined point. The device is further configured to detect a touch on a predetermined point in one or more images and to deactivate the device lock state upon detection of a predetermined number of touches on successive images including a predetermined point.

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