Storage device, electronic system including storage device, and control program for storage device
AssigneeToshiba Memory Corporation
InventorTatsuo SHIOZAWA
Life of this patent
Estimating the term…
Abstract
In one embodiment, a storage device that is installable in an electronic apparatus includes a first communication interface for connecting the electronic apparatus to the storage device, a nonvolatile memory for storing data and data management table storing a data size and address information for the data stored in the nonvolatile memory, and a processor configured to change at least one piece of data stored in the nonvolatile memory without changing file management information stored in the data management table. The processor is configured to change the stored data without receiving an instruction to do so from the electronic apparatus through the first interface.
Claims20
A storage device that is installable in an electronic apparatus, the storage device comprising:
- a first communication interface for connecting the electronic apparatus to the storage device;
- a nonvolatile memory for storing data and data management table storing a data size and address information for data stored in the nonvolatile memory;
- and
- a processor configured to change at least one piece of data stored in the nonvolatile memory without changing file management information stored in the data management table for the at least one piece of data, the processor being configured to change the at least one piece of data without receiving an instruction from the electronic apparatus through the first interface.
An electronic system, comprising:
- an electronic apparatus;
- a storage device installed in the electronic apparatus, the storage device comprising:
- a first communication interface connecting the storage device to the electronic apparatus;
- a nonvolatile memory for storing data and data management table storing a data size and address information for data stored in the nonvolatile memory;
- and
- a processor configured to change at least one piece of data stored in the nonvolatile memory without changing file management information stored in the data management table for the at least one piece of data, the processor being configured to change the at least one piece of data without receiving an instruction from the electronic apparatus through the first interface.
A control program for controlling a storage device connectable to an electronic apparatus, the control program when executed by a processor in the storage device causing the storage device to:
- perform an interface process between the storage device and an electronic apparatus to which the storage device has been connected via a first communication interface of the storage device;
- manage a plurality of pieces of data stored in a nonvolatile memory of the storage device based on file management information including a data size for each piece of data in the plurality of pieces of data;
- and
- update a first piece of data stored in the nonvolatile memory without changing the file management information corresponding to the first piece of data, the update being performed without an instruction being received from the electronic apparatus through first communication interface.
Dependencies are inferred from the claim text.