Dynamic magnetic information storage or retrieval – General processing of a digital signal – Data clocking
Reexamination Certificate
2007-09-18
2007-09-18
Korzuch, William (Department: 2627)
Dynamic magnetic information storage or retrieval
General processing of a digital signal
Data clocking
C360S048000, C369S059220, C375S371000
Reexamination Certificate
active
11122518
ABSTRACT:
A method and apparatus for providing high speed, linear-phase interpolation. Signals from a plurality of differential pairs are weighted to produce an output clock having a selectable linear phase variation. A controller includes a pulse generator for providing a predetermined number of pulses having a predetermined phase shift and a predetermined frequency and an interpolator for processing the predetermined number of pulses having a predetermined phase shift and a predetermined frequency to generate a clock signal that is linearly adjustable between a predetermined number of output phases.
REFERENCES:
patent: 5986830 (1999-11-01), Hein
patent: 6359486 (2002-03-01), Chen
patent: 2003/0122588 (2003-07-01), Glenn
Carpenter Eric
Curtis Michael
Richetta Raymond A.
Spannring Doug
Chambliss Bahner & Stophel
Hitachi Global Storage Technologies - Netherlands B.V.
Korzuch William
Lynch David W.
Negrón Daniell L.
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