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:
May. 02, 1989
Filed:
May. 01, 1987
Nobukazu Doi, Hachioji, JP;
Hideki Imai, Yokohama, JP;
Morishi Izumita, Inagi, JP;
Seiichi Mita, Kanagawa, JP;
Akira Saito, Katsuta, JP;
Hiroto Yamauchi, Kokubunji, JP;
Mamoru Kaneko, Hachioji, JP;
Tetsuya Amano, Hachioji, JP;
Hitachi, Ltd., Tokyo, JP;
Hitachi Video Engineering, Incorporated, Kanagawa, JP;
Abstract
A device for decoding coded digital signals for every symbol consisting of a plurality of binary signals comprises first circuit for generating a first reliability for every binary signal; hard decided from the received or reproduced signal, in the symbol and second circuit for generating a second reliability for every symbol consisting of n binary signals on the basis of the first reliability, whereby decoding processing e.g. soft decision decoding is effected for every signal, depending on the second reliability.