the application.
The invention is directed to apparatus for generating an
asynchronous status flag with a predefined minimum active
pulse length. The active pulse length of the status flag is
the arbitrary length of time between a set signal and a clear
signal. Where the delay between the set signal and the clear
signal is below a predefined minimum pulse length time, the
active pulse length of the status flag is defined by the
predetermined minimum pulse length instead of the actual delay
between the set signal and the clear signal.
Representative independent claim 1 is reproduced as
follows:
1. An apparatus for generating a status flag comprising:
first input means for providing at least a first signal
wherein said first signal activates said status flag;
second input means for providing at least a second signal
wherein said second signal deactivates said status flag; and
circuit means for generating said status flag from the time
delay between said first and second signals wherein said status
flag has a predefined minimum active pulse length, said circuit
means being coupled to receive said first signal from said first
input means and being coupled to receive said second signal from
said second input means.
The examiner relies on the following reference:
2
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Last modified: November 3, 2007