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:
Sep. 19, 1989
Filed:
Aug. 26, 1987
Applicant:
Inventors:
Kazuya Yamada, Yokosuka, JP;
Kazunori Nishikawa, Tokyo, JP;
Koji Tanaka, Yokohama, JP;
Yasuhiro Yamada, Yokosuka, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
371 375 ; 371 391 ;
Abstract
Parity is generated in accordance with digital data. The parity is added to the digital data to produce a coded signal. The coded signal is recorded. The recorded signal is reproduced. The reproduced signal is decoded and code word errors are corrected to reproduce the digital data. The number of symbols of the digital data equals m-(2n+1). The number of symbols of the parity equals 2n+1. Each of the symbols has l bits. The characters m and n denote natural numbers. The character l denotes a natural number equal to or greater than 2. Coding and decoding are performed by use of new-type Reed-Solomon code.