Method for remotely and reliably updating of the software on a computer with provision for roll back
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Oct 31, 2000
Grant Date -
N/A
app pub date -
Jan 30, 1998
filing date -
Jan 30, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A technique for updating the software in a remote computer (e.g., a base station, a spacecraft in space, an electronic postage meter in an office, a medical monitoring device in a patient's home, etc.) from a central control (e.g., a wireless switching center, the National Aeronautics and Space Administration's Houston Control, a postage meter facility, a medical equipment manufacturer's factory, etc.) is disclosed. An illustrative embodiment of the present invention comprises: checking the integrity of a first software application at a first location in a first memory that is pointed to by a first address in a pointer; copying the first software application from the first memory to the second memory and executing the first software application from the second memory, when the integrity of the first software application is nominal; transmitting a first message indicating that the integrity of the first software application is not nominal, when the integrity of the first software application is not nominal; and receiving a first command to store a second address in the pointer, in response to the first message.
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