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US 2006/0150012 A1Published application
Numerical controller
AssigneeFanuc Corporation
InventorsMasahiko Hosokawa, Masafumi Sano, Masahiko Miyake
Life of this patent
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Abstract
A specified-data saving means saves a data specified by a data name from a battery-backed-up volatile memory to a nonvolatile memory not requiring battery backup. At the same time, a generation management means stores the data name and time information in the nonvolatile memory, together with the saved data. An individual-data restoring means selects data from among the data stored in the nonvolatile memory based on a specified data name and time information and restores the selected data to the volatile memory.
Claims5
A numerical controller comprising:
- a volatile memory with battery backup,
- a nonvolatile memory not requiring battery backup,
- a display means for displaying a list of data names of data stored in said volatile memory,
- an extraction means for extracting a specific data name from the list of data names displayed by said display means,
- a data saving means for saving a data corresponding to the data name extracted by said extraction means from said volatile memory to said nonvolatile memory, and
- a generation management means for storing the data name and current time information in said nonvolatile memory, together with the data saved by said saving means.
3 more elements
Dependencies are inferred from the claim text.