Authentication device for user authentication and image forming apparatus including the authentication device
US9213815B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 29, 2014 |
| Grant date | Dec 15, 2015 |
| Priority date | — |
| Expiry date | Jul 29, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/0094
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A user authentication device provided on an apparatus as an object of operation acquires feature data representing notable portion of the user, using a camera device, after user authentication. Based on the acquired feature data, the user authentication device tracks the user by the camera (step S1030). If it is detected by the tracking that the user has left the apparatus, the user authentication device displays a log-in screen image on an operation panel (step S1060). If it is detected that the user once left the apparatus has returned to a position where he/she can operate the apparatus, the user authentication device displays the screen image that has been previously operated by the user. On the other hand, if it is detected that the tracking has been interrupted after the user left the apparatus, the user authentication device executes a log-out process (step S1120).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.