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:
May. 24, 2005
Filed:
Oct. 08, 2003
Hiroyuki Fujino, Omihachiman, JP;
Yoshihiko Gotoh, Shiga-ken, JP;
Hiroyuki Fujino, Omihachiman, JP;
Yoshihiko Gotoh, Shiga-ken, JP;
Murata Manufacturing Co., Ltd., Kyoto, JP;
Abstract
A duplexer includes a transmission band filter and a reception band filter connected in parallel to each other and connected to an antenna terminal. The transmission band filter and the reception band filter are accommodated in a package covered with an electroconductive lid. The package is mounted on a mounting substrate having the antenna terminal and covered with an electroconductive shield mounted on the mounting substrate. At least one of the transmission band filter and the reception band filter has a ground terminal connected to the lid. The lid is electrically connected to the shield.