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. 05, 1995
Filed:
Dec. 12, 1994
Applicant:
Inventors:
Bun-ichi Miyamoto, Sagamihara, JP;
Atsushi Yamashita, Kawasaki, JP;
Tadashi Nakamura, Nagaokakyo, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ; H03M / ;
U.S. Cl.
CPC ...
371 43 ;
Abstract
An analog Viterbi decoder realizes a part of the signal processing operations necessary to produce a decoded signal by, for example, calculation of branch metrics in branch metric calculation circuit, and addition, comparison, and selection an ACS circuit, using analog signal processes, to remarkably decrease the number of elements, and to realize a high speed Viterbi decoder with a relatively small size.