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.

Date of Patent:
Nov. 21, 1995

Filed:

Feb. 15, 1994
Applicant:
Inventors:

Guoliang Shou, Tokyo, JP;

Weikang Yang, Tokyo, JP;

Sunao Takatori, Tokyo, JP;

Makoto Yamamoto, Tokyo, JP;

Assignee:

Yozan Inc., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06G / ;
U.S. Cl.
CPC ...
327361 ;
Abstract

A summing circuit for executing summing of analog data with sign. The summing circuit includes two serially connected inverters INV1 and INV2, each having a feed back line, and selectively inputs data D1 to D8 to one of the first or the second stages, corresponding to positive/negative sign signals S1 to S8.


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