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:
Oct. 12, 2010
Filed:
Aug. 01, 2008
Yu Kaneko, Yokohama, JP;
Eiji Kamagata, Kamakura, JP;
Toshiyuki Umeda, Inagi, JP;
Masahiro Yoshikane, Fuchu, JP;
Yu Kaneko, Yokohama, JP;
Eiji Kamagata, Kamakura, JP;
Toshiyuki Umeda, Inagi, JP;
Masahiro Yoshikane, Fuchu, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A wireless sensor for a wireless sensor network includes a sensor unit performing sensing to sense environment and/or circumstance, first routing to send first sensing information to a server according to routing information, and second routing to send second sensing information from another wireless sensor to the server according to the routing information, when being supplied with power from a power source, a timer including a capacitor to be charged by the power and performs a time limit operation due to self-discharge thereof, a first control switch controlling power supplying to the timer to make the timer perform the time limit operation at a set time, a rectifier converting a radio signal from the another wireless sensor into power, and a second control switch starting power supplying to the sensor unit, upon receiving the control signal of the rectifier during the time limit operation.