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:
Mar. 31, 2009
Filed:
Jan. 14, 2005
Mikio Fukuda, Tokyo, JP;
Mikio Fukuda, Tokyo, JP;
Temco Japan Co., Ltd., Tokyo, JP;
Abstract
A portable telephone using a bone conduction speaker, enabling production of high output without any increase in thickness of a housing of a telephone body and having no problem in use in a noisy environment. In the telephone: a bone conduction speaker () is used as a speaker; a concave portion () having a diameter larger than that of the bone conduction speaker () is provided in a housing () of a telephone body; a cushioning material () is installed between the inner surface of the concave portion () and the outer surface of the bone conduction speaker (); the bone conduction speaker () is supported on the cushioning material () to provide a gap between the speaker and the bottom of the depression (); and, the vibration surface of the speaker is flush with or slightly extended outward from the surface of the housing ().