Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
FILTER DEVICE AND FILTER SYSTEM
Document Type and Number:
WIPO Patent Application WO/2016/047218
Kind Code:
A1
Abstract:
A filter device 10 outputs, as an output signal, a signal component in a predetermined frequency band included in a pulse signal. The filter device 10 is provided with a filter circuit 3 in which a stop band in which signal passage is stopped is set to include the predetermined frequency band, and a circulator 4 which takes out a reflected signal generated in the filter circuit 3. The filter device outputs, as the output signal, the signal taken out by the circulator 4 when the pulse signal is given to the filter circuit 3.

Inventors:
MAEHATA, Takashi (1-3, Shimaya 1-chome, Konohana-ku, Osaka-sh, Osaka 24, 〒5540024, JP)
Application Number:
JP2015/066889
Publication Date:
March 31, 2016
Filing Date:
June 11, 2015
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
SUMITOMO ELECTRIC INDUSTRIES, LTD. (5-33, Kitahama 4-chome Chuo-ku, Osaka-sh, Osaka 41, 〒5410041, JP)
International Classes:
H03H1/00; H01P1/20; H03H7/30; H03H7/52; H04B1/04
Foreign References:
JPS4861047A1973-08-27
US4538123A1985-08-27
JP2005268898A2005-09-29
JP4542158B22010-09-08
JP2013509019A2013-03-07
JPS6121609A1986-01-30
JP2007208350A2007-08-16
US20110080856A12011-04-07
US20110080229A12011-04-07
Attorney, Agent or Firm:
SUNCREST PATENT AND TRADEMARK ATTORNEYS (1-11, Sakaemachidori 4-chome Chuo-ku, Kobe-sh, Hyogo 23, 〒6500023, JP)
Download PDF: