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:
Jun. 25, 2019
Filed:
Sep. 25, 2017
Alps Alpine Co., Ltd., Tokyo, JP;
ALPS ALPINE CO., LTD., Tokyo, JP;
Abstract
Provided is a sine wave multiplication device of simple configuration, broad input signal level range, and minimal fluctuation in characteristics due to temperature. A signal component that corresponds to a product of an input signal Si and the third harmonic wave of a first square wave Wincluded in an output signal Su; and a signal component that corresponds to a product of the input signal Si and the fifth harmonic wave of the first square wave Wis canceled by: a signal component that corresponds to a product of the input signal Si and the fundamental wave of a second square wave Wincluded in an output signal Su; and a signal component that corresponds to a product of the input signal Si and the fundamental wave of a second square wave Wincluded in an output signal Su