Memory cards including a standard security function
First Claim
Patent Images
1. A storage device comprising:
- a set of electrical contacts;
a memory; and
a controller in communication with the electrical contacts and the memory, wherein the controller is configured to operate in either a first operating mode or a second operating mode, wherein the controller executes commands received through the electrical contacts differently depending on whether the controller is operating in the first operating mode or the second operating mode, and wherein controller is further configured to;
receive a command through the electrical contacts that causes the controller to switch from the first operating mode to the second operating mode; and
execute subsequently-received commands received through the electrical contacts according to the second operating mode until a command is received through the electrical contacts that causes the controller to switch from the second operating mode to the first operating mode.
1 Assignment
0 Petitions
Accused Products
Abstract
A memory card of one published standard, such as the Multi-Media Card (MMC) or Secure Digital Card (SD), is modified to include the function of a Subscriber Identity Module (SIM) according to another published standard. The controller of the memory card communicates between electrical contacts on the outside of the card and both the memory and the SIM. In one specific form, the memory card has the physical configuration of the current Plug-in SIM card with a few external contacts added to accommodate the memory controller and data memory. In another specific form, the memory card has the physical configuration of the current SD card, including external contacts.
-
Citations
12 Claims
-
1. A storage device comprising:
-
a set of electrical contacts; a memory; and a controller in communication with the electrical contacts and the memory, wherein the controller is configured to operate in either a first operating mode or a second operating mode, wherein the controller executes commands received through the electrical contacts differently depending on whether the controller is operating in the first operating mode or the second operating mode, and wherein controller is further configured to; receive a command through the electrical contacts that causes the controller to switch from the first operating mode to the second operating mode; and execute subsequently-received commands received through the electrical contacts according to the second operating mode until a command is received through the electrical contacts that causes the controller to switch from the second operating mode to the first operating mode. - View Dependent Claims (2, 3, 4, 5, 6)
-
-
7. A method for executing commands in a storage device, the method comprising:
performing the following in a storage device comprising a set of electrical contacts, a memory, and a controller in communication with the electrical contacts and the memory, wherein the controller is configured to operate in either a first operating mode or a second operating mode, wherein the controller executes commands received through the electrical contacts differently depending on whether the controller is operating in the first operating mode or the second operating mode; receiving a command through the electrical contacts that causes the controller to switch from the first operating mode to the second operating mode; and executing subsequently-received commands received through the electrical contacts according to the second operating mode until a command is received through the electrical contacts that causes the controller to switch from the second operating mode to the first operating mode. - View Dependent Claims (8, 9, 10, 11, 12)
Specification