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:
Aug. 06, 2002
Filed:
Jan. 20, 2000
Teruhisa Tsuru, Kameoka, JP;
Tomoya Bando, Omihachiman, JP;
Ken Tonegawa, Otsu, JP;
Harufumi Mandai, Takatsuki, JP;
Norihiro Shimada, Shiga-ken, JP;
Abstract
A high-frequency filter serving as a bandpass filter has three transmission lines SL to SL side-coupled in three stages. The transmission lines SL to SL are respectively connected in parallel to capacitors C to C . One end of the input transmission line SL is connected to an input terminal Pi through an input capacitor C . One end of the output transmission line SL is connected to an output terminal Po through an output capacitor C . The other ends of the transmission lines SL and SL are connected and the connection point is connected to the ground through an inductor Lg for forming a pole. One end of the transmission line SL is connected to the ground.