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:
Nov. 14, 1989
Filed:
Aug. 11, 1987
Hozumi Hamada, Chofu, JP;
Hiraku Nakano, Hadano, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A rational number operation unit comprising division means which receives a rational number having numerator and denominator to be reduced for sequentially determining terms d.sub.1, d.sub.2, . . . of a continued fraction for the rational number ##STR1## or data S.sub.1, S.sub.2, . . . , the division means carrying out a first division for the numerator as a dividend and the denominator as a divisor, producing a quotient thereof as the first term d.sub.1 or the dependent data S.sub.1, carrying out a second division for a residue thereof as a new divisor and the divisor in the first division as a new dividend, producing a quotient thereof as the second term d.sub.2 or depending data S.sub.2, . . . , carrying out an (i+1)th division for a residue of the i-th division as a new divisor and the divisor in the i-th division as a new dividend, producing a quotient thereof as the term d.sub.i+1 or depending data S.sub.i+1, calculation means responsive to the term d.sub.i or depending data S.sub.i for calculating