Title:
STATUS DETECTION DEVICE USING RADIO TAG
Document Type and Number:
Japanese Patent JP2007127234
Kind Code:
A
Abstract:
To provide a status detection device using a radio tag capable of performing the detection of the status of valve opening/closing or the like by radio.
The status detection device using the radio tag of the present invention is provided with the radio tag provided on a movable member of a status switching device; and a shutting-off member provided in at least a movable range of the movable member, arranged between the radio tag and a radio tag reading device and disabling communication of the radio tag and the radio tag reading device. The status switching device includes an opening/closing device of a valve on a vehicle, an opening/closing device of a valve of a facility in a factory plant or the like.
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Inventors:
YOSHINAGA HIROSHI
Application Number:
JP2005321969A
Publication Date:
May 24, 2007
Filing Date:
November 07, 2005
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
F16K37/00; B61H13/02; E03B7/07
Domestic Patent References:
| JP2002333079A | 2002-11-22 | |||
| JP2003035380A | 2003-02-07 | |||
| JP2006189130A | 2006-07-20 |
Attorney, Agent or Firm:
Fumio Iwahashi
Hiroki Naito
Daisuke Nagano
Hiroki Naito
Daisuke Nagano