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:
Feb. 03, 1998

Filed:

Mar. 04, 1996
Applicant:
Inventors:

Jason Chen, Taiwan, TW;

Paul Chen, Taichung, TW;

George Chang, Taichung, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
364754 ; 364757 ;
Abstract

A binary multiplication method utilizing a combined table lookup and long multiplication to simplify the multiplication procedure, to improve the computational speed, and to save half of the memory space normally required. The method is executed by first moving the least significant bit (LSB) of the multiplier to another memory device before the start of the computation and then using the shortened multiplier in the multiplication operation since the multiplier is reduced by one bit, the memory space required for the multiplication table is reduced by half. The method does not require the use of a multiplying device and only needs small memory space. The manufacturing cost of a microprocessor can be reduced accordingly.


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