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:
Sep. 29, 2015
Filed:
Apr. 30, 2014
Applicant:
Lapis Semiconductor Co., Ltd., Yokohama, JP;
Inventors:
Takashi Taya, Yokohama, JP;
Satoshi Tachi, Yokohama, JP;
Assignee:
LAPIS SEMICONDUCTOR CO., LTD., Yokohama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/10 (2006.01); H03H 11/12 (2006.01); H03H 11/04 (2006.01);
U.S. Cl.
CPC ...
H04B 1/1036 (2013.01); H03H 11/12 (2013.01); H03H 2011/0494 (2013.01); H04B 2001/1063 (2013.01);
Abstract
A receiving apparatus that includes a first and second filter circuit. The first filter performs filtering on a frequency signal with a band-pass characteristic such that a frequency band of a desired channel is included in a passband, thereby obtaining a pass frequency signal. The second filter performs filtering on the pass frequency signal with a filter characteristic such that a frequency band of a channel adjoining the desired channel is included in an attenuation band.