Memory Device Activation and Deactivation
AssigneeSearete LLC
InventorsBran Ferren, Edward K.Y. Jung
Life of this patent
Estimating the term…
Abstract
Embodiments of methods and systems for controlling access to information stored on memory or data storage devices are disclosed. In various embodiments, methods of retrieving information from a data storage device previously deactivated by modification or degradation of at least a portion of the data storage device are disclosed.
Claims37
A method of retrieving information from a deactivated memory device, comprising:
- providing an identification code to a support entity, the identification code associated with a deactivated memory device comprising at least one region from which read-support information sufficient to support reading of data of interest from the memory device could be read prior to deactivation but not after deactivation;
- and
- receiving an override code from the support entity, the override code containing alternative information sufficient to permit reading of the data of interest from the deactivated memory device.
(canceled)
(canceled)
(canceled)
A method of reactivating a deactivated memory device, comprising:
- receiving an identification code associated with a deactivated memory device;
- identifying an override code associated with the identification code, wherein the override code contains read-support information necessary to permit data to be read from the deactivated memory device;
- and
- providing the override code to a receiving entity.
(canceled)
(canceled)
(canceled)
(canceled)
(canceled)
(canceled)
(canceled)
(canceled)
A method of retrieving data from an expired limited use memory device, comprising:
- obtaining a backup copy of read-support information necessary for reading machine readable data of interest from the expired limited use memory device;
- and
- based upon the read-support information, reading data of interest from the first portion of the expired limited use memory device.
(canceled)
(canceled)
(canceled)
(canceled)
(canceled)
(canceled)
Dependencies are inferred from the claim text.