Method and apparatus for header detection and protection

Details Method and apparatus for header detection and protection Method and apparatus for header detection and protection

2007-12-25

2007-12-25

Hindi, Nabil (Department: 2627)

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

C369S044420

Reexamination Certificate

active

10904031

ABSTRACT:
A method of using an RF-sum signal and a plurality of detection signals to determine a property of at least one header and selecting one of a plurality of carrier regions is disclosed. The RF-sum signal and the plurality of detection signals are produced according to the header. The method includes using the RF-sum signal to produce a protection range signal, which indicates the position of the header. The protection region signal is used to protect the plurality of detection signals and determine the property of the header and the correct carrier region.

REFERENCES:
patent: 6400658 (2002-06-01), Yang et al.
patent: 6469979 (2002-10-01), Joo et al.
patent: 6614740 (2003-09-01), Park et al.

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