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. 23, 2010
Filed:
Dec. 05, 2005
Minoru Horigome, Yamagata, JP;
Toshihiro Hikichi, Yamagata, JP;
Takashi Haba, Yamagata, JP;
Pioneer Corporation, Tokyo, JP;
Abstract
A speaker frame comprising: a rear end wall; a damper support portion; an edge support portion to which an edge as an outer circumferential portion of a vibration plate is to be stuck and fixed; and plural frame arms which connect the edge support portion to the rear end wall and the damper support portion, wherein: a width of each of the frame arms increases as the position goes from the edge support portion to the damper support portion, and damper-support-portion-side end portions of side edges of adjoining frame arms are continuous with each other to form a single as an axis of symmetry, a bisector of an angle formed by the adjoining frame arms; and a single vent window is formed in each of the frame arms, and a reinforcement rib erects at a circumferential edge of the vent window.