The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 05, 1991
Filed:
May. 08, 1990
Donald T Best, Lafayette Hill, PA (US);
North American Philips Corporation, New York, NY (US);
Abstract
The magnetic head assembly can read from and write to a plurality of tracks on a magnetic medium. The medium and assembly are relatively movable in a longitudinal direction. The assembly includes a plurality of pairs of reading poles. The assembly also includes a plurality of pairs of read loops, each adjacent and magnetically coupled to an associated pair of said reading poles. Also provided is a plurality of writing poles. Each pair of said writing poles is aligned with a different corresponding one of said writing poles. The assembly also includes a plurality of pairs of write loops, each pair of write loops being adjacent and magnetically coupled to an affiliated one of said writing poles. Each pair of write loops is selectively driveable with a pair of currents in either the same or opposite sense.