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:
Aug. 17, 2021
Filed:
Aug. 20, 2018
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Daichi Toh, Osaka, JP;
Wakio Yamada, Hyogo, JP;
Abstract
According to the present disclosure, an additional sound generating unit detects, as a noise frequency, a frequency of a noise at a control point and generates an additional sound signal including signal components with additional frequencies different from the noise frequency. A canceling signal generating unit generates a canceling signal that cancels the noise at the control point. An emission unit outputs a control sound signal, generated by adding the additional sound signal to the canceling signal, to a loudspeaker and makes the loudspeaker emit the control sound.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile