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:
Feb. 03, 2026
Filed:
Mar. 28, 2022
Yamaha Corporation, Hamamatsu, JP;
Shinya Mizoshiri, Hamamatsu, JP;
Masao Noro, Hamamatsu, JP;
YAMAHA CORPORATION, Hamamatsu, JP;
Abstract
Pulse width modulatorsP andN respectively generate a first pulse Vp whose pulse width changes according to an input signal Vin based on the input signal Vin and a generated first carrier wave CP, and a second pulse Vn whose pulse width changes according to the input signal Vin based on the input signal Vin and a generated second carrier wave CN. Wherein due to the non-liner gradient in each of the generated first carrier wave CP and the generated second carrier wave CN and, duty ratio of each of the generated first pulse Vp and the generated second pulse Vn is less than 50% in a state where a value of the input signal is zero; and a difference between a pulse width of the first pulse Vp and a pulse width of the second pulse Vn linearly changes according to the input signal Vin.