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. 03, 2004
Filed:
May. 21, 2003
Applicant:
Inventor:
Hideaki Kakinuma, Tokyo, JP;
Assignee:
Vertex Standard Co., Ltd., , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 1/104 ;
U.S. Cl.
CPC ...
H04R 1/104 ;
Abstract
An adjustable microphone apparatus including a sound box defined by a peripheral wall surface and adjoining first and second surfaces with an interior as a portion of a sound guide channel for guiding wave forms between a sound absorbing hole and a sound perceptible portion of a microphone in a housing with a movable piece slidably engaged with at least one of the surfaces to move within the interior of the sound box altering the sound wave path through the guide channel upon movement of an accessible portion of an actuator coupled to the movable piece so as to provide a variable sound filter.