Patent · US Expired

Method for accessing a user operable device of controlled access

US7457418B2 · kind B2 · utility

10Cited by
7References
55Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 26, 2002
Grant dateNov 25, 2008
Priority date
Expiry dateAug 20, 2024

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG07C9/27
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

Method for accessing a user operable device having a limited access ability by a user. Therefore a user transmits an inquiry using a mobile device via a wide area transmission network to a key authority. The key authority retransmits an electronic access key. This access key is stored in the mobile device and later transmitted to a controller unit controlling the access the user operable device allowing the user to operate on it.

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