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:
May. 17, 1983
Filed:
Dec. 05, 1980
Applicant:
Inventors:
Alan J Collins, Risca, GB;
John D McQuillin, Malvern, GB;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11G / ;
U.S. Cl.
CPC ...
365189 ; 365-6 ; 365199 ; 365206 ;
Abstract
The present invention provides thin film magneto-resistive readout apparatus for providing readout from magnetic memory devices such as magnetic tapes, the apparatus comprising a thin film magneto-resistive readout head element, a narrow pulse generator for applying sensing current to the readout head element in the form of trains of narrow pulses, and a signal averaging circuit connected to receive output signals from the readout head element for deriving an average output signal for the pulses in each train.