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:
Mar. 02, 1982
Filed:
Jun. 23, 1980
Applicant:
Inventor:
Woodson D Wynn, Basking Ridge, NJ (US);
Assignee:
Bell Telephone Laboratories, Incorporated, Murray Hill, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C / ;
U.S. Cl.
CPC ...
365-8 ;
Abstract
A magnetic bubble memory herein includes a detection circuit which responds to changes in data signal which occur in consecutive detection intervals. In one embodiment changes from both 0 to 1 and from 1 to 0 are used. Improved operating margins result. Correlated coding techniques are shown to preclude propagation of errors.