Card comprising electrical contacts
US6896189B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 2, 2001 |
| Grant date | May 24, 2005 |
| Priority date | — |
| Expiry date | May 2, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K19/07743
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A card comprises electrical contacts (32, 34) for communicating data in the form of a differential accordance with a universal serial bus (USB) standard. The card can be inserted in a card reader having complementary electrical contacts (16). The card has an insertion edge (A) which traverses the complementary electrical contacts when the card is inserted in the card reader in a correct fashion. The card comprises an electrical contact for receiving a power supply voltage which (22) electrical contact (22) is closer to the insertion edge than either electrical contact of the pair of electrical contacts (32, 34) for communicating data in the form a differential signal in accordance the USB standard.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.