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. 15, 2005
Filed:
Jun. 10, 2003
Applicants:
Katsumi Umeda, Katano, JP;
Naoki Matsushita, Kadoma, JP;
Daisuke Shimizu, Kobe, JP;
Inventors:
Assignees:
Sanyo Electric Co., Ltd., Moriguchi, JP;
Sanyo Electronic Components Co., Ltd., Daito, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01P005/12 ; H01P003/06 ;
U.S. Cl.
CPC ...
Abstract
The present invention provides a dielectric duplexercomprising a receiving filterand a transmitting filterwhich are connected in parallel with an antenna connecting terminal portionand both the filtersare integrally assembled into a common dielectric blockA trap circuitfor suppressing a predetermined frequency band different from the receiving band of the receiving filterand from the transmission band of the transmitting filteris integrally assembled into the dielectric blockalong with the filtersand is connected to the antenna connecting terminal portion