Electronic equipment
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Mar 11, 2003
Grant Date -
N/A
app pub date -
Mar 1, 1999
filing date -
Feb 27, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A data transfer unit is connected with an external nonvolatile memory storing a correction program and the like data, and it transfers the correction program, etc. of the external nonvolatile memory to an internal nonvolatile memory upon detecting it having been connected with the external nonvolatile memory. The external nonvolatile memory is disconnected from the data transfer unit after completion of the data transfer. When a CPU unit is reset thereafter, it transfers the correction program, etc. to a RAM unit, executes a program in a ROM unit, and also executes the correction program in the RAM unit upon reaching a correcting point stored in the RAM unit.
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