Interface between a security module and a host device

摘要

The present invention may be deployed in a system comprising a security module housed on a chip card and a host device comprising a chip card reader. The host device is comprised in a housing with a slot for the chip card. The housing is shielded to reduce the amount of electromagnetic radiation generated by the security module and/or the host device from penetrating to the exterior of the housing. Similarly, the shielding is adapted to reduce the effects of electromagnetic radiation generated outside of the host device on the components within the housing. The slot is also shielded by a flap made of an electrically conductive epoxy material or an electrically conductive resin.

主权项

1. An interface module for providing an electrical interface between a security module and a host device, said interface module comprising:
a housing; and an electronic component disposed within the housing, the electronic component having at least one contact configured to make electrical contact with a corresponding contact on the security module; wherein the housing has a slot formed therein, the slot being sized and shaped to allow the security module to be inserted therethrough, the housing further comprising a movable slot shield for substantially attenuating through propagation of electromagnetic interference generated inside the housing or generated outside the housing, said movable slot shield being made from electrically conductive epoxy, the movable slot shield being configured to allow passage of the security module through the slot such that the contact of the electronic component contacts the corresponding contact on the security module; wherein at least one pathway extending from a point where the electrical contact is made is covered by alternate layers of one of non-conducting and conducting adhesives, non-conducting and conducting tapes, non-conducting and conducting resins or non-conducting and conducting epoxies.