Dynamic information storage or retrieval – Specific detail of information handling portion of system – Electrical modification or sensing of storage medium
Reexamination Certificate
2008-07-10
2010-11-30
Chow, Van N (Department: 2627)
Dynamic information storage or retrieval
Specific detail of information handling portion of system
Electrical modification or sensing of storage medium
C369S101000
Reexamination Certificate
active
07843795
ABSTRACT:
A method of operating a storage device includes storing data in the form of marks in a storage medium; scanning the storage medium with at least one probe operating in a scanning mode; and utilizing a control unit to provide a pulsed reading signal for data detecting in the scanning mode, and providing the probe with oversampling reading pulses in a clock mark scanning mode, wherein the control unit further comprises an input for a response signal to the oversampling reading pulses, and a determination unit for determining the clock dependent on the response signal; wherein the storage medium comprises marks for determining a clock of the pulsed reading signal.
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EP Office Communication 03010257.8-1232 Dated Apr. 6, 2008.
Cherubini Giovanni
Eleftheriou Evangelos S.
Pozidis Haris
Cantor & Colburn LLP
Chow Van N
International Business Machines - Corporation
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