G - Physics – 11 – B
Patent
G - Physics
11
B
352/21.2, 352/19
G11B 5/09 (2006.01) G11B 5/008 (2006.01) G11B 20/10 (2006.01) G11B 20/22 (2006.01) H04L 7/033 (2006.01)
Patent
CA 1241110
- 1 - Abstract An apparatus for recording and reproducing digital signal comprises a detector for detecting and producing phase data of a sampling point, a first comparator for comparing first phase data at one sampling point and second phase data at a previous sampling point. A second comparator compares a predetermined value with a phase difference between the second phase data and newly detected phase data. A condition detecting device utilizes the results of the first and second comparators for detecting whether or not two reference phases are contained, or no reference phase is contained, between the first and second sampling points. This device pro- duces an insert signal when two reference phases are detected, and a delete signal when no reference phase is detected. A sampling pulse generating device generates one sampling pulse when neither of the insert signal and delete signal is produced, two sampling pulses when the insert signal is produced, and no sampling pulse when the delete signal is produced.
505001
II Hiroshi
Sasada Taizo
Yasuda Syuhei
Kirby Eades Gale Baker
Sharp Kabushiki Kaisha
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