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. 21, 2020
Filed:
Feb. 22, 2017
Applicant:
Hitachi, Ltd., Tokyo, JP;
Inventors:
Tsukasa Fujimori, Tokyo, JP;
Akira Kuriyama, Tokyo, JP;
Toshihiko Fukamachi, Tokyo, JP;
Takashi Oshima, Tokyo, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08C 15/06 (2006.01); G08C 17/02 (2006.01); H04M 11/00 (2006.01); G08C 15/00 (2006.01); H04Q 9/00 (2006.01); G08C 17/00 (2006.01); H04Q 9/02 (2006.01); H04W 88/18 (2009.01);
U.S. Cl.
CPC ...
G08C 15/06 (2013.01); G08C 15/00 (2013.01); G08C 17/00 (2013.01); G08C 17/02 (2013.01); H04M 11/00 (2013.01); H04Q 9/00 (2013.01); H04Q 9/02 (2013.01); H04Q 2209/40 (2013.01); H04Q 2209/88 (2013.01); H04W 88/18 (2013.01);
Abstract
Provided is a wireless sensor node which includes a sensor to convert a physical quantity into an electric signal to measure the physical quantity, a filter to extract a signal containing a predetermined frequency from the electric signal, a transmitter to transmit data based on the frequency extracted by the filter, a receiver to receive a command to be transmitted from an outside in a wireless manner, and a control unit to control a frequency to be extracted by the filter based on the command.