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Patent Searching and Data


Title:
WIRELESS STATE DETECTING SYSTEM
Document Type and Number:
Japanese Patent JP2009151523
Kind Code:
A
Abstract:

To provide a wireless state detecting system, simply added without requiring any large-scale work for the existing equipment, and detecting a change in state of a number of detection objects using one wireless receiver.

A wireless transmitter and a shielding means corresponding thereto are provided for the detection object having a fixed part and a movable part movably provided on the fixed part, and according to the movement of the movable part, the shielding means shields a radio wave transmitted by the wireless transmitter. In this configuration, a wireless receiver is installed at a position to receive the radio wave transmitted by the wireless transmitter provided on the detection object wireless state detecting system, whereby the possibility of receiving a radio wave transmitted by the wireless transmitter or a change in its receiving strength is watched to simply detect the state of the detection object.


Inventors:
TANAKA HIROSHI
IOKURA SHIGENORI
YANAKA KAZUHISA
Application Number:
JP2007328536A
Publication Date:
July 09, 2009
Filing Date:
December 20, 2007
Export Citation:
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Assignee:
IKUTOKU GAKUEN KANAGAWA KOKA D
TAMA TLO LTD
International Classes:
G08B21/18; G08B25/10
Attorney, Agent or Firm:
Patent Corporation MIP