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:
Oct. 11, 2022

Filed:

Jul. 24, 2019
Applicant:

Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;

Inventors:

Stephen William John, Nara, JP;

Kazunobu Konishi, Osaka, JP;

Katsuhiko Asai, Nara, JP;

Kazuo Inoue, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64C 39/00 (2006.01); H02P 5/50 (2016.01); B64C 39/02 (2006.01); G05D 1/08 (2006.01); G05D 1/06 (2006.01);
U.S. Cl.
CPC ...
H02P 5/50 (2013.01); B64C 39/024 (2013.01); G05D 1/0607 (2013.01); G05D 1/0816 (2013.01); B64C 2201/027 (2013.01); B64C 2201/123 (2013.01); B64C 2201/141 (2013.01); B64C 2201/162 (2013.01);
Abstract

An unmanned aircraft includes: a processor; and at least two generators that generate thrust for the unmanned aircraft to fly, the at least two generators each including a corresponding one of rotor blades that produce airflows. In the unmanned aircraft, the processor generates a control request for changing a rotational speed of at least one of the rotor blades of the at least two generators to reduce a difference between rotational speeds, in response to start of sound recording by a microphone, and the at least two generators rotate the rotor blades in accordance with the control request.


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