Camera and information processing apparatus
AssigneeNikon Corporation
InventorsIchiro Shidate, Toshihisa Kuroiwa
Life of this patent
Estimating the term…
Abstract
A camera that records image data generated by electronically capturing an image of a subject in a removable memory, includes: a non-volatile memory that differs from the removable memory in which the image data are recorded, and a main MPU that saves management information related to recording or reproduction in the removable memory into the non-volatile before power to the camera is cut off, reads out the management information from the non-volatile memory after the power to the camera is turned on, and recovers the management information stored before the power is cut off based on the management information read out by the main MPU, the management information being generated based on information read out from the removable memory.
Claims24
A camera that records image data generated by electronically capturing an image of a subject in a removable memory, comprising:
- a non-volatile memory that differs from the removable memory in which the image data are recorded;
- a means for data saving that saves management information related to recording or reproduction in the removable memory into said non-volatile memory before power to the camera is cut off, the management information being generated based upon information read out from the removable memory;
- a means for data acquisition that reads out the management information from said non-volatile memory after the power to the camera is turned on;
- and
- a means for recovery that recovers the management information stored before the power is cut off based upon the management information read out by said means for data acquisition.
A camera that records image data generated by electronically capturing an image of a subject in a removable memory, comprising:
- a non-volatile memory that differs from the removable memory in which the image data are recorded;
- a means for data saving that saves management information managed by the camera in said non-volatile memory before power to the camera is cut off, the management information being generated based upon information read out from the removable memory;
- a means for data acquisition that reads out the management information from said non-volatile memory after the power to the camera is turned on;
- and
- a means for recovery that recovers the management information stored before the power is cut off based upon the management information read out by said means for data acquisition, wherein
- said means for data saving additionally records new management information in an unrecorded area on said non-volatile memory and erases old management information in a batch when a specific volume of old management information has accumulated;
- and
- said means for data acquisition reads out most recent management information from said non-volatile memory.
A camera that records image data generated by electronically capturing an image of a subject in a removable memory, comprising:
- a first microprocessor that controls a camera operation mainly;
- and
- a second microprocessor that supports the control operation of the first microprocessor, wherein
- the first microprocessor and the second microprocessor share and manage management information for the camera in correspondence to individual shares of said control operation, and the first microprocessor saves and recovers individual shares of the management information when the second microprocessor detects that power to the camera is turned off and on, the management information being generated based upon information read out from the removable memory.
An information processing apparatus at which a removable memory is detachably mounted, comprising:
- a non-volatile memory that differs from the removable memory;
- a means for data saving that saves management information related to recording or reproduction in the removable memory into said non-volatile memory before power to the information processing apparatus is cut off, the management information being generated based upon information read out from the removable memory;
- a means for data acquisition that reads out the management information from said non-volatile memory after the power to the information processing apparatus is turned on;
- and
- a means for recovery that recovers the management information stored before the power is cut off based upon the management information read out by said means for data acquisition.
A recording medium that contains a program utilized in an information processing apparatus at which a removable memory is detachably mounted, the program comprising:
- a data save instruction to save management information related to recording or reproduction in the removable memory to a non-volatile memory, which differs from the removable memory, before power to said information processing apparatus is cut off, the management information being generated based upon information read out from the removable memory;
- a data acquisition instruction to read out the management information from said non-volatile memory after the power to said information processing apparatus is turned on;
- and
- a recovery instruction to recover the management information stored before the power is cut off based upon the management information read out by said data acquisition instruction.
A computer data signal embodied in a carrier wave comprising a program utilized in an information processing apparatus at which a removable memory is detachably mounted, the program comprising:
- a data save instruction to save management information related to recording or reproduction in the removable memory to a non-volatile memory, which differs from the removable memory, before power to said information processing apparatus is cut off, the management information being generated based upon information read out from the removable memory;
- a data acquisition instruction to read out the management information from said non-volatile memory after the power to said information processing apparatus is turned on;
- and
- a recovery instruction to recover the management information stored before the power is cut off based upon the management information read out by said data acquisition instruction.
A camera that records image data generated by electronically capturing an image of a subject in a removable memory, comprising:
- a non-volatile memory that differs from the removable memory in which the image data are recorded;
- and
- a main MPU that saves management information related to recording or reproduction in the removable memory into said non-volatile memory before power to the camera is cut off, reads out the management information from said non-volatile memory after the power to the camera is turned on, and recovers the management information stored before the power is cut off based upon the management information read out by said main MPU, the management information being generated based on information read out from the removable memory.
A camera that records image data generated by electronically capturing an image of a subject in a removable memory, comprising:
- a non-volatile memory that differs from the removable memory in which the image data are recorded;
- and
- a main MPU that saves management information related to recording or reproduction in the removable memory into said non-volatile memory before power to the camera is cut off, the management memory being generated based on information read out from the removable memory, reads out the management information from said non-volatile memory after the power to the camera is turned on, and recovers the management information stored before the power is cut off based upon the management information read out by said main MPU, wherein:
- said main MPU saves the management information in said non-volatile memory during an operation performed to turn off the power to the camera.
A camera that records image data generated by electronically capturing an image of a subject in a removable memory, comprising:
- a non-volatile memory that differs from the removable memory in which the image data are recorded;
- and
- a main MPU that saves management information related to recording or reproduction in the removable memory into said non-volatile memory before power to the camera is cut off, the management information being generated based upon information read out from the removable memory, reads out the management information from said non-volatile memory after the power to the camera is turned on, and recovers the management information stored before the power is cut off based upon the management information read out by said main MPU, wherein
- the management information saved by said main MPU is removable memory hardware information that is required for removable memory device driver setting.
A camera that records image data generated by electronically capturing an image of a subject in a removable memory, comprising:
- a non-volatile memory that differs from the removable memory in which the image data are recorded;
- and
- a main MPU that saves management information related to recording or reproduction in the removable memory into said non-volatile memory before power to the camera is cut off, the management information being generated based upon information read out from the removable memory, reads out the management information from said non-volatile memory after the power to the camera is turned on, and recovers the management information stored before the power is cut off based upon the management information read out by said main MPU, wherein
- the management information saved by said main MPU is file system information required for management of files in the removable memory.
A camera that records image data generated by electronically capturing an image of a subject in a removable memory, comprising:
- a non-volatile memory that differs from the removable memory in which the image data are recorded;
- and
- a main MPU that saves management information related to recording or reproduction in the removable memory into said non-volatile memory before power to the camera is cut off, the management information being generated based upon information read out from the removable memory, reads out the management information from said non-volatile memory after the power to the camera is turned on, and recovers the management information stored before the power is cut off based upon the management information read out by said main MPU, wherein
- the management information saved by said main MPU is information required to reproduce image data from the removable memory and includes at least one of information indicating an image file to be reproduced first and reproduction order information.
A camera that records image data generated by electronically capturing an image of a subject in a removable memory, comprising:
- a non-volatile memory that differs from the removable memory in which the image data are recorded;
- a sub-MPU that makes a decision as to whether or not the removable memory has been replaced;
- and
- a main MPU that saves management information related to recording or reproduction in the removable memory into said non-volatile memory before power to the camera is cut off, the management information being generated based upon information read out from the removable memory, reads out the management information from said non-volatile memory after the power to the camera is turned on, recovers the management information stored before the power is cut off based upon the management information read out by said main MPU, and halts recovery of management information saved in said non-volatile memory and restructures new management information, when said sub-MPU decides that “the removable memory has been replaced during power off”.
An information processing apparatus at which a removable memory is detachably mounted, comprising:
- a non-volatile memory that differs from the removable memory in which the image data are recorded;
- and
- a main MPU that saves management information related to recording or reproduction in the removable memory into said non-volatile memory before power to the information processing apparatus is cut off, reads out the management information from said non-volatile memory after the power to the information processing apparatus is turned on, and recovers the management information stored before the power is cut off based upon the management information read out by said main MPU.
A camera that records image data generated by electronically capturing an image of a subject in a removable memory, comprising:
- a non-volatile memory that differs from the removable memory in which the image data are recorded;
- and
- a main MPU that saves management information related to recording next image data in the removable memory into said non-volatile memory before power to the camera is cut off, reads out the management information from said non-volatile memory after the power to the camera is turned on, and recovers the management information stored before the power is cut off based upon the management information read out by said main MPU.
Dependencies are inferred from the claim text.