Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the head
Patent
1996-11-18
1999-12-21
Psitos, Aristotelis M.
Dynamic magnetic information storage or retrieval
Automatic control of a recorder mechanism
Controlling the head
360 7713, 360 7715, G11B 5584
Patent
active
060057416
ABSTRACT:
An information signal reproducing apparatus for reproducing information signals from a recording medium in which a pilot signal component having a predetermined frequency is superimposed on the information signals at every other track of a plurality of parallel tracks. A tracking error signal is formed from pilot signal crosstalk from tracks in which the pilot signal component is not superimposed. The tracking error signal is modified using the signal on which the pilot signal component is superimposed. To facilitate such a modification, no pilot signal is superimposed in a second area of the track in which the pilot signal component is superimposed in a first area thereof, and the pilot signal is superimposed in the second area of the track in which no pilot signal component is superimposed in the first area thereof.
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Takayama Nobutoshi
Tanaka Shuya
Canon Kabushiki Kaisha
Psitos Aristotelis M.
Wong K.
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