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. 09, 2009
Filed:
Dec. 06, 2006
Atsushi Fujiwara, Ome, JP;
Yukihiro Matsui, Takasaki, JP;
Hisayoshi Matsui, Agatsuma-gun, JP;
Fumihisa Ito, Tomioka, JP;
Atsushi Fujiwara, Ome, JP;
Yukihiro Matsui, Takasaki, JP;
Hisayoshi Matsui, Agatsuma-gun, JP;
Fumihisa Ito, Tomioka, JP;
Casio Computer Co., Ltd., Tokyo, JP;
Taiyo Yuden Co., Ltd., Tokyo, JP;
Abstract
A display apparatus includes a flat display panel, and a housing which surrounds the display panel. The housing includes a backboard portion facing the display panel and a sound emitting portion. A vibrating plate is arranged in a region corresponding to the sound emitting portion between the display panel and the backboard portion of the housing. A first spacer is attached to a rim portion of one surface of the vibrating plate, the first spacer being interposed between the vibrating plate and one of the backboard portion of the housing and the display panel. A second spacer is attached to a rim portion of the other surface of the vibrating plate, the second spacer being interposed between vibrating plate and the other of the backboard portion of the housing and the display panel. The first and second spacers are made of materials having different degree of hardness.