Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Mutsumi Aoki0
Date of Patent
September 8, 2009
Patent Application Number
12073514
Date Filed
March 6, 2008
Patent Primary Examiner
Patent abstract
An apparatus, includes a counter which counts a frequency of input of a first signal, a delay controller which generates a second signal by adding a delay to the first signal, the delay corresponding to the frequency, and a control circuit which halts the counter counting the frequency, when a phase difference between the first signal and the second signal is a predetermined value.
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