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:
Apr. 04, 1989
Filed:
May. 08, 1987
Applicant:
Inventor:
Alan J Richards, Loveland, CO (US);
Assignee:
Colorado Memory Systems, Inc., Loveland, CO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ;
U.S. Cl.
CPC ...
360 27 ; 360 66 ;
Abstract
Apparatus is disclosed for using a head having narrow write gap to write tracks of information on a tape for subsequent reading by other apparatus including apparatus having heads with a wide read gap. An inter track erase operation is performed prior to the writing operation. Density information is written on a plurality of tracks to indicate the flux reversal signal density used for the writing of user data elsewhere on the tape.