Pattern selection method and apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Sep 13, 2005
Grant Date -
N/A
app pub date -
Jan 27, 2003
filing date -
Apr 19, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The duration of variations in the potential applied to a single electrical contact, when compared to a reference potential, are measured and employed to command either incrementing or decrementing of an address. The addresses are associated with a table of instructions and an addressed instruction, when read, will produce a discrete warning signal. A desired one of several light flash or audible patterns may be selected by step-wise scrolling through the table in response to manually varying the contact potential.
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