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:
Oct. 08, 2002
Filed:
Dec. 27, 2000
Applicant:
Inventor:
Tooru Ogino, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01Q 9/30 ; H01Q 1/502 ; H01P 1/213 ;
U.S. Cl.
CPC ...
H01Q 9/30 ; H01Q 1/502 ; H01P 1/213 ;
Abstract
A duplexer comprising substantially semi-cylindrical filters and is disposed in and made integral with an increased diameter hollow stem part of a substantially rod-like antenna element The two filters and are coupled together by a coupler substrate interposed between them. The coupler substrate is disposed between the two filters and for forming a connector which is connected to the antenna element This assembly is connected by connector pieces to to a transmitter and a receiver part of a radio part of a portable telephone set or the like.
Ogino, Tooru. (2002). Duplexer and antenna apparatus using the same (U.S. Patent No. 6462719). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6462719
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile