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:
Apr. 22, 2014

Filed:

Sep. 23, 2011
Applicants:

Jong Hoon Shin, Hwaseong-si, KR;

Kyoung Moon Ahn, Seoul, KR;

Young Sik Kim, Hwaseong-si, KR;

Sun-soo Shin, Seoul, KR;

Ji-su Kang, Seoul, KR;

Inventors:

Jong Hoon Shin, Hwaseong-si, KR;

Kyoung Moon Ahn, Seoul, KR;

Young Sik Kim, Hwaseong-si, KR;

Sun-Soo Shin, Seoul, KR;

Ji-Su Kang, Seoul, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 7/72 (2006.01);
U.S. Cl.
CPC ...
Abstract

A modular calculator and a method of performing a modular calculation are provided. The modular calculator includes a first register to receive and to store a first integer, a second register to receive and to store a second integer, a calculator connected to an output terminal of the first register and an output terminal of the second register, and a controller to determine an arithmetic operation of the calculator by referring to a sign of the first integer and a sign of the second integer and to control the calculator to perform the determined arithmetic operation on one of an addition and a subtraction of the first integer and the second integer and a modulus value.


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