Matrix scan recording, a new alternative to helical scan recording on videotape

Matrix scan recording, a new alternative to helical scan recording on videotape

A description is given of the matrix scan (MaSc) method of scanning a magnetic tape using a dual movement of a drum instead of only the rotational movement of a conventional helical scan drum. In the MaSc system the drum is driven in rotation and up/down movement with respect to the tape edge by two...

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Veröffentlicht in:IEEE transactions on consumer electronics 1988-08, Vol.34 (3), p.606-611
Hauptverfasser: Platte, H.-J., Keesen, H.-W., Uhde, D.
Format: Artikel
Sprache:eng
Schlagworte:
Control systems
Couplings
Magnetic heads
Magnetic recording
Servomechanisms
Servomotors
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container_title IEEE transactions on consumer electronics
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creator Platte, H.-J.
Keesen, H.-W.
Uhde, D.
description A description is given of the matrix scan (MaSc) method of scanning a magnetic tape using a dual movement of a drum instead of only the rotational movement of a conventional helical scan drum. In the MaSc system the drum is driven in rotation and up/down movement with respect to the tape edge by two motors which are mechanically and electronically coupled. Using a complex servo and control system, which comprises the two motors for the drum drive, and the capstan motor for the tape transport and with a switching unit for the video heads, a very specific track pattern is generated on the tape. This track pattern and low mechanical complexity of the drive gives the MaSc system specific merits for low- and high-density digital video and data recorders. The design is presented of an experimental digital video recorder using the matrix scan principle.< >
doi_str_mv 10.1109/30.20160
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subjects Control systems
Couplings
Magnetic heads
Magnetic recording
Servomechanisms
Servomotors
title Matrix scan recording, a new alternative to helical scan recording on videotape
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