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. 27, 1984
Filed:
Aug. 12, 1982
Robert A Bremmer, Oklahoma City, OK (US);
Magnetic Peripherals, Inc., Minneapolis, MN (US);
Abstract
A system and method of accurately locating the center of a previously recorded magnetic track on a rotating magnetic storage disk and moving a transducer to the center of the track. The system measures in increments the amplitude of the feedback signal as the transducer is moved to each side of the recorded track and compares the signal amplitude measured with a predetermined reference level. Through the use of an offset measuring system connected to a computer processor the number of increments moved in each direction is recorded and a simple calculation is made to determine the center of the magnetic track. The transducer for recording and replaying information on the disk is then moved to the center of the track.