Method for accessing a smart card from a host device
US7540409B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 28, 2006 |
| Grant date | Jun 2, 2009 |
| Priority date | — |
| Expiry date | Jun 28, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q21/28
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A method for accessing a smart card from a host device, the smart card being connected to the host device via a telecommunications card, the telecommunications card having a command interpreter for interpreting host device commands and a modem with associated smart card reader for enabling the telecommunication and user identification the modem being only accessible to the host device via the command interpreter, the method including: (a) providing an access command on the host device, the access command instructing the command interpreter to pass on any attached command originating from the host device to the smart card reader; (b) attaching an application command to the access command and forwarding both to the command interpreter; (c) performing the application command on the smart card reader; (d) storing a response given by the smart card to the application command in a first buffer which is accessible towards the host device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.