To provide a power feeding system and the like with which charging can be performed
without a decrease in the power supply efficiency. To provide a power feeding system and …

Int. Cl. H04Q5/22(2006.01) A method, system and tag for low power radio frequency G08B
I3/14 2006. O1 communication are described. In one embodiment, the RFta () 9. G06K …

Devices and methods for competency training and use autho rization for dispensing an
agent are described, which include: an agent-dispensing device including a reservoir …

2014-08-05 Assigned to ELWHA LLC reassignment ELWHA LLC ASSIGNMENT OF
ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BAYM, Michael H …

2014-08-05 Assigned to ELWHA LLC reassignment ELWHA LLC ASSIGNMENT OF
ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BAYM, Michael H …

(57) ABSTRACT A contactless power feeding system includes a power trans mitting device
and a power receiving device. The powertrans mitting device includes a first AC power …

2014-03-04 Assigned to ELWHA LLC reassignment ELWHA LLC ASSIGNMENT OF
ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: TEGREENE …

5,124,699 A 6, 1992 Tervoert et al. 5,428,521 A 6/1995 Kigawa et al. 5,790,946 A 8, 1998
RotzO11 6,509,217 B1 1/2003 Reddy 6,737,302 B2 5, 2004 Arao 6,837.438 B1 1/2005 …

An object is to provide a power feeding device, a power feeding system, and a power
feeding method which are more convenient for a power feeding user at the power receiving …

Provided is a power receiving device in which supply of power from a power supply device
can be stopped while a reduction in Q-value is Suppressed. The power receiving device …