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, 2000
Filed:
Jan. 22, 1999
Masanori Noda, Kanagawa, JP;
Kenshiro Arase, Kanagawa, JP;
Toshinobu Sugiyama, Kanagawa, JP;
Ihachi Naiki, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
A semiconductor nonvolatile memory wherein memory cells in which data is electrically processed are arranged in the form of a matrix, provided with an error correcting circuit for correcting error bits when there are less than a predetermined number of error bits in a plurality of bits of data; a circuit for processing data in units of the plurality of bits of data in the memory cells of the plurality of units and for counting the number of the unprocessed memory cells after data is processed; and a circuit for ending the processing of the data while leaving the unprocessed memory cells when the number of the unprocessed memory cells is less than the predetermined number of error bits and making the error correcting means save the error bits.