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. 19, 2018
Filed:
Jul. 11, 2016
Satoshi Yoshino, Tokyo, JP;
Satoshi Yoshino, Tokyo, JP;
KABUSHIKI KAISHA AUDIO-TECHNICA, Tokyo, JP;
Abstract
A microphone apparatus includes a microphone including first and second bi-directional microphone units having respective directional axes arranged on two straight lines passing through one point and radially extending with an interval of 120 degrees in a circumferential direction, and an omnidirectional microphone unit arranged in sound collection regions of the first and second bi-directional microphone units, and a signal synthesis unit that synthesizes at least one of respective non-inverted signals and inverted signals of the first and second bi-directional microphone units and an output signal of the omnidirectional microphone unit to generate a plurality of output signals having directional axes in mutually different directions.