Driverless signal generating apparatus and control method thereof
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United States of America Patent
Stats
-
N/A
Issued Date -
Apr 17, 2008
app pub date -
Oct 16, 2007
filing date -
Oct 17, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A driverless signal generating apparatus to be connected to a computer host includes a signal generator and an interface controller, which is connected to the signal generator and has operation firmware stored therein. The operation firmware simulates the signal generating apparatus as a standard device. A driver corresponding to the standard device has been built in an operation system (OS) of the computer host. The operation firmware receives a first command outputted from the OS through the driver and makes the OS identify an attribute of the signal generating apparatus in response to the first command. An application program (AP) may be executed in the OS to generate a second command. The first and second commands pertain to a control transfer command for enabling control transfer. The firmware receives the second command and thus controls the signal generator to generate an external signal to be sent back to the OS.
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