Mobile equipment theft deterrent system and method

• US 6,785,537 B2
• Filed: 05/22/2002
• Issued: 08/31/2004
• Est. Priority Date: 05/22/2002
• Status: Expired due to Term

• Current Assignee: Sony Corporation (Sony Group Corp.)
• Original Assignee: Sony Ericsson Mobile Communications USA Incorporated (Sony Group Corp.)
• Inventors: Hicks, Scott G.
• Primary Examiner(s): Trost, William
• Assistant Examiner(s): MILLER, BRANDON J
• Application Number:
  US10/153,698
• Publication Number:
  US 20030220094A1
• Time in Patent Office: 832 Days
• Field of Search: 455/410, 455/411, 455/557-558, 455/575, 455/414.1, 455/418-419, 455/575.6
• US Class Current: 455/410
• CPC Class Codes: H04W 12/126 Anti-theft arrangements, e.g. protection against subscriber identity module [SIM] cloning
• CPC Class Codes: H04W 88/02 Terminal devices

Abstract

A system and method for preventing the unauthorized use of improperly obtained mobile equipment is disclosed. The mobile equipment includes a plurality of personalization categories that are programmable into the mobile equipment by the manufacturer. Prior to purchase and at the request of the network provider, at least one of the personalization categories in addition to the network personalization category is enabled in the mobile equipment by the manufacturer. Upon powering up the mobile equipment for the first time, a personalization check is performed for the plurality of personalization categories. The personalization check is destined to fail with respect to one of the personalization categories other than the network personalization category. At this point, the person attempting to activate the mobile equipment is prompted for the authorization code for the personalization category that failed. The authorization code for the personalization category that failed is obtained from the network operator once the network operator is satisfied that the mobile equipment was not improperly obtained. The person attempting to activate the mobile equipment inputs the proper authorization code for the personalization category that failed in order to disable that personalization category. Once the personalization category is disabled, the mobile equipment can function on the intended network.

Claims

1. A method of preventing the unauthorized use of mobile equipment that utilizes a SIM card, wherein the mobile equipment includes a plurality of personalization categories that are programmable into the mobile equipment by the manufacturer wherein at least one of the personalization categories other than a network personalization category has been enabled by the manufacturer, the method comprising:

performing a personalization check for the plurality of personalization categories upon powering up the mobile equipment for the first time;

intentionally failing the personalization check with respect to one of the personalization categories because the SIM card data does not match the expected value for that personalization category;

prompting for an authorization code for the personalization category that failed; and

inputting the proper authorization code for the personalization category that failed in order to disable that personalization category.

2. The method of claim 1 wherein the personalization category that fails the personalization check is the service provider personalization category.

3. The method of claim 1 wherein the personalization category that fails the personalization check is the corporate personalization category.

4. The method of claim 1 wherein the proper authorization code for the personalization category that failed is obtained from the network operator once the network operator is satisfied that the mobile equipment was not improperly obtained.

5. A system of preventing the unauthorized use of mobile equipment that utilizes a SIM card, wherein the mobile equipment includes a plurality of personalization categories that are programmable into the mobile equipment by the manufacturer wherein at least one of the personalization categories other than a network personalization category has been enabled by the manufacturer, the system comprising:

means for performing a personalization check for the plurality of personalization categories upon powering up the mobile equipment for the first time;

means for prompting for an authorization code for any personalization category that intentionally failed because the SIM card data did not match the expected value for that personalization category; and

means for inputting an authorization code for the personalization category that failed in order to disable that personalization category.

6. The system of claim 5 wherein the authorization code for the personalization category that failed is obtained from the network operator once the network operator is satisfied that the mobile equipment was not improperly obtained.

7. The system of claim 5 wherein the personalization category that fails the personalization check is the service provider personalization category.

8. The system of claim 5 wherein the personalization category that fails the personalization check is the corporate personalization category.

9. A theft deterrent mechanism for SIM card compatible mobile equipment comprising:

a plurality of programmable personalization categories resident within the mobile equipment wherein at least one of the personalization categories, other than a network personalization category, has been enabled by the mobile equipment manufacturer; and

a mobile equipment processor that;

performs a personalization check on each of the plurality of personalization categories upon powering up the mobile equipment for the first time;

prompts for an authorization code for any personalization category that intentionally failed a personalization check because the SIM card data did not match the expected value for that personalization category; and

accepts an authorization code for the personalization category that failed in order to disable that personalization category.