The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 01, 2005
Filed:
Mar. 31, 2000
Charles D. Estes, Fort Lauderdale, FL (US);
Josue Pena, Miami, FL (US);
Robert H. Pichette, Plantation, FL (US);
Charles D. Estes, Fort Lauderdale, FL (US);
Josue Pena, Miami, FL (US);
Robert H. Pichette, Plantation, FL (US);
Motorola, Inc., Schaumburg, IL (US);
Abstract
A method for automatically entering a SIM's PIN in case of a reset or other condition includes the steps of storing () in RAM the PIN after it has been verified (). Whenever a reset condition occurs, the PIN that is cached in RAM () is automatically presented to the SIM (). In order to make sure that the PIN stored in RAM () in not corrupted during a reset condition, the inverse () or other coded form of the PIN is also stored in RAM () as an additional check of the correctness of the stored PIN.