Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ali Noorbakhsh0
Ram Chilukuri0
John Lattanzi0
David Keene0
Date of Patent
January 13, 2009
0Patent Application Number
110612280
Date Filed
February 18, 2005
0Patent Primary Examiner
Patent abstract
Detecting when the on-board power supply is powered on or off by an auto activity detection circuit by determining if the reference clock signal (TCLK) is toggling and if the reference clock signal is toggling, then charging a capacitor to a high voltage in the auto activity detection circuit based on the toggling reference clock signal, and outputting an on-board power supply activity signal based upon the high voltage by the auto activity detection circuit indicative of whether or not the on-board power supply is active.
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