Patent ID: 6145035
Filing Date: 2000-11-07
Classification: G06K,G06Q

Abstract:
A system, comprising:a card device for effectuating a transaction when presented to a transaction terminal, said card device including a SRAM memory and a rechargeable energy source, said source for powering said memory being only of a size sufficient to power said card device for a limited period of time;a card cradle carrier for storing said card device when said card device is not engaged in said transaction, said card cradle carrier formed of a substantially rigid material and forming at least a portion of a personal effect, wherein said card cradle carrier includes a second energy source for recharging said rechargeable energy source when said card device is received for storage by said card cradle carrier and further wherein said card cradle further includes a lasered read-only memory (ROM) identification block; andmeans for rapidly zeroization of said SRAM unit after a select period of time has elapsed between removal of said card from said cradle without engaging said card in a transaction as determined by a true-time non-resettable clock.