Dynamic magnetic information storage or retrieval – Recording or reproducing plural information signals on the... – Head gap azimuth multiplex
Patent
1993-10-20
1995-10-17
Young, W. R.
Dynamic magnetic information storage or retrieval
Recording or reproducing plural information signals on the...
Head gap azimuth multiplex
360 7713, 360 7714, G11B 502
Patent
active
054596173
ABSTRACT:
An apparatus for recording information and tracking signals on magnetic tape includes first and second magnetic heads for recording the information signals on the magnetic tape. The first and second magnetic heads are mounted for rotation about an axis for scanning the magnetic tape for recording the information signals in successive tracks. The first and second magnetic heads are disposed at respective positions along the axis separated from one another by substantially one track pitch and have respectively different azimuth angles. A third magnetic head serves to record the tracking signals on the magnetic tape and is mounted at a position rotationally substantially opposite a rotational position of the first magnetic head and is substantially axially aligned therewith. In accordance with a method of recording information and tracking signals on magnetic tape, the information signals are recorded on the magnetic tape with the use of first and second magnetic heads mounted for rotation about an axis at respective axial positions spaced by substantially one track pitch. The first and second magnetic heads have respectively different azimuth angles, such that the information signals are recorded at correspondingly different azimuth angles in successive tracks. The tracking signals are recorded in at least some of the successive tracks with azimuth angles substantially the same as those of the information signals in adjacent ones of the successive tracks.
REFERENCES:
patent: 3665118 (1972-05-01), Cooper, Jr.
patent: 4482928 (1984-11-01), Moriya
patent: 5065259 (1991-11-01), Kubota et al.
patent: 5124853 (1992-06-01), Kashida et al.
Webster's Ninth New Collegiate Dictionary, p/ 1176. .COPYRGT.1991 by Murian-Webster, Inc., principal .COPYRGT.1983.
Frommer William S.
Sinderbrand Alvin
Sony Corporation
Young W. R.
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