A method for recording two tracks of information across the full width of quarter inch wide agnetic tape by superimposing magnetic patterns with a fixed angular relationship is described, together with the development of a special magnetic record-reproduce head assembly to accomplish this.

Author: Latham, William S.
Affiliation: U. S. Navy Underwater Sound Laboratory, New London, CT
JAES Volume 8 Issue 3 pp. 165-169; July 1960
Publication Date: July 1, 1960

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