Dynamic magnetic information storage or retrieval – Record editing
Patent
1988-10-05
1991-09-24
Richardson, Robert L.
Dynamic magnetic information storage or retrieval
Record editing
358341, 358343, 360 64, H04N 5782
Patent
active
050518461
ABSTRACT:
A magnetic tape is wound on a rotary drum through a predetermined angular range greater than a standard tape winding angle. The predetermined angular range has a first portion corresponding to the standard tape winding angle and a second portion extending outward of the first portion. A main information signal is recorded into a main information recording track on the magnetic tape which extends in a region corresponding to the first portion of the predetermined angular range. A sub information signal is recorded into a sub information recording track on the magnetic tape which extends along an extension line of the main information recording track and which extnds in a region corresponding to the second portion of the predetermined angular range. A plurality of magnetic heads have different track widths respectively and are mounted on the rotary drum. The magnetic heads form respective different tracks which together constitute the sub information recording track.
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Patent Abstracts of Japan, vol. 87, No. 241 (P-232), [1386], 10/26/73, & JP 58-128004.
Hirota Akira
Nishimoto Naomichi
Tsushima Takuya
Uchimi Takashi
Richardson Robert L.
Victor Company of Japan Ltd.
Young W. R.
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