Apparatus for accurate time alignment of signal data derived fro

Details Apparatus for accurate time alignment of signal data derived fro Apparatus for accurate time alignment of signal data derived fro

1989-12-04

1992-04-28

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Electronically correcting phasing errors between related...

G11B 2020

Patent

active

051093030

ABSTRACT:
Apparatus is disclosed for adding a calibration signal with known phase-timing relationships to identify a time of onset for each input channel being monitored separately. A signal generator produces alignment signals which are introduced to a switch network in parallel with input channel signals requiring phase alignment. The signals are amplified and recorded on a tape including phase shifts and/or time delays. During playback from the tape, playback devices sense the amplified input channel signals utilizing the phase shift and/or time delay information to subsequently adjust these signals for review and analysis.

REFERENCES:
patent: 4357702 (1982-11-01), Chase
patent: 4477845 (1984-10-01), Mortlock
patent: 4533964 (1985-08-01), Owaki

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