Portable ultrasound system with battery backup for efficient shutdown and restart
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Mar 4, 2003
Grant Date -
N/A
app pub date -
Oct 24, 2000
filing date -
Sep 13, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An ultrasound system is described which can be turned off quickly by an operator command or in response to an interruption of a.c. power to the system. When a.c. power is cut off, the system switches to battery backup while a processor executes an orderly shutdown sequence. The system can completely shut down, or the state of the system can be minimally preserved by battery backup in either volatile or nonvolatile memory so that the system can restart without having to sequence through an entire bootup procedure. This enables the system to remain active even when the ultrasound system is unplugged and being moved.
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