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. 22, 1986
Filed:
Feb. 27, 1984
Applicant:
Inventors:
Daniel L Nay, Rancho Palos Verdes, CA (US);
James K Berger, Malibu, CA (US);
Assignee:
Pioneer Research, Inc., Santa Monica, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
360 75 ; 360 78 ;
Abstract
A programmable servo pattern generator for use in a magnetic disc drive servowriter system. The servo pattern generator of the present invention stores a multiplicity of different servo patterns in a convenient user-oriented format, and it provides high frequency pulse trains of NRZ data representing the different servo patterns. These different servo patterns are derived from the pattern generator of the invention as required and in the particular formats to be written into the magnetic disc drives of the same or different manufacturers.