Dynamic information storage or retrieval – Binary pulse train information signal – Binary signal gain processing
Reexamination Certificate
2007-05-01
2007-05-01
Young, Wayne (Department: 2627)
Dynamic information storage or retrieval
Binary pulse train information signal
Binary signal gain processing
C369S124100, C369S047250, C369S047270
Reexamination Certificate
active
10306989
ABSTRACT:
A method and apparatus to dynamically adjust the amplitude of a signal comprising information read from an information storage medium. The method first forms (N) digital signals comprising information read from an information storage medium. The method provides a first signal comprising information read an information storage medium, wherein that first signal is one of the (N) digital signals. The method provides a first gain level, and calculates a first gain adjusted signal comprising the multiplication product of the first signal and the first gain level. To dynamically adjust that gain level, Applicants' method determines a gain error. Using that gain error, Applicants' method then calculates a second gain level by multiplying the gain error times a multiplier coefficient, and adding that multiplication product to the first gain level.
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Howarth James J.
Hutchins Robert A.
Chandler & Udall LLP
Nguyen Linh T.
Regelman Dale F.
Young Wayne
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