Portable terminal unit
US7735734B2 · kind B2 · utility
0Cited by
3References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 30, 2006 |
| Grant date | Jun 15, 2010 |
| Priority date | — |
| Expiry date | Jan 13, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07F7/1008
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
By concealing the existence of an area using a function (which is referred to as IC privacy function) capable of concealing the data area corresponding to each service (behaving as if the data area does not exist), an existing function provided in the contactless IC card, an access to the data necessary for a service can be inhibited, so as to control to inhibit (lock) use of the contactless IC card on a service-by-service basis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.