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. 28, 1993
Filed:
Jan. 25, 1993
Hideyasu Koumo, Yamatokoriyama, JP;
Fumiaki Kawawaki, Shiki, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
An electronic apparatus provided with a device of calculating complex numbers includes a keyboard for entering calculation data including a value and an imaginary number unit i, an LCD device for displaying a result of performed calculation of the complex numbers consisting of a real number and an imaginary number unit i, and a processing unit. The processing unit has a judging part for judging whether or not a value is entered immediately before or after the imaginary number unit i, first calculating part for calculating the complex numbers in accordance with a predetermined priority in calculation by substituting 1i with the imaginary number unit i while inserting a multiplication code between the entered value and the imaginary number unit i upon detecting the entered value is positioned before the entered imaginary number unit i, and second calculating part for calculating a portion having the imaginary number unit i as a function followed by an argument upon detecting calculation data that a value is entered immediately after the imaginary number unit i.