Title:
AN ATTENDANCE DEVICE
Document Type and Number:
WIPO Patent Application WO/2014/111725
Kind Code:
A3
Abstract:
An attendance device, comprising a counter arranged to generate a counter value representative of a time elapsed from registration of the attendance device with a server, a memory for storing an encryption key and a unique identifier associated with the attendance device, and a processor adapted to generate an encryption of the counter value and the unique identifier, using the encryption key.
Inventors:
GOULD DANIEL GEORGE (GB)
Application Number:
PCT/GB2014/050134
Publication Date:
December 18, 2014
Filing Date:
January 17, 2014
Export Citation:
Assignee:
GOULD DANIEL GEORGE (GB)
International Classes:
G07C1/20; G07C1/10
Domestic Patent References:
| WO2004075525A1 | 2004-09-02 | |||
| WO2005091230A1 | 2005-09-29 | |||
| WO1999052061A1 | 1999-10-14 |
Foreign References:
| US20070168488A1 | 2007-07-19 | |||
| US7058814B1 | 2006-06-06 | |||
| US5572192A | 1996-11-05 |
Attorney, Agent or Firm:
LATHAM, Stuart et al. (4 More London RiversideLondon, Greater London SE1 2AU, GB)
Download PDF:
Previous Patent: GLYCOSYLATION METHOD
Next Patent: IMPROVEMENTS IN OR RELATING TO HEATING AND COOLING SYSTEMS
Next Patent: IMPROVEMENTS IN OR RELATING TO HEATING AND COOLING SYSTEMS