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:
Apr. 12, 2011
Filed:
Jan. 22, 2008
Syouji Ono, Ise, JP;
Tetsuo Suehiro, Komaki, JP;
Jyunichi Ichikawa, Kagamigahara, JP;
Keiji Takagi, Iwakura, JP;
Manabu Sato, Nagoya, JP;
Syouji Ono, Ise, JP;
Tetsuo Suehiro, Komaki, JP;
Jyunichi Ichikawa, Kagamigahara, JP;
Keiji Takagi, Iwakura, JP;
Manabu Sato, Nagoya, JP;
NGK Spark Plug Co., Ltd., Nagoya, Aichi, JP;
Abstract
A diplexer provides a high degree of design freedom for satisfying the requirements of electric characteristics so as to realize desired characteristics and at the same time can be downsized and a multiplexer is realized by using such a diplexer. The diplexer includes a filter having a first pass band and a filter having a second pass band with a frequency band at least twice as high as the frequency band of the first pass band, the filter having the first pass band being a filter of the lumped constant type, the filter having the second pass band being a filter of the distributed constant type.