Title:
GAS METER DEVICE
Document Type and Number:
Japanese Patent JP2011164037
Kind Code:
A
Abstract:
To provide a gas meter device for determining an instrument to be recalled.
The gas meter device 40 includes a memory 45 for sequentially storing instrument data consisting of at least one of a flow rate oscillatory waveform or pressure oscillatory waveform after flow rate fluctuation or pressure fluctuation, and processed data obtained by processing the flow rate oscillatory waveform or pressure oscillatory waveform, and a decision unit 43b for, when instrument data of the instrument 10 to be recalled used as a recalling object is input, comparing it with the instrument data stored in the memory 45 and deciding whether the instrument 10 to be recalled is installed.
Inventors:
KONDO MASATO
FUJIMOTO TATSUO
FUJIMOTO TATSUO
Application Number:
JP2010029667A
Publication Date:
August 25, 2011
Filing Date:
February 15, 2010
Export Citation:
Assignee:
YAZAKI CORP
International Classes:
G01F3/22
Domestic Patent References:
| JP2003149075A | 2003-05-21 | |||
| JP2008224279A | 2008-09-25 | |||
| JP2010015246A | 2010-01-21 | |||
| JP2009211465A | 2009-09-17 |
Attorney, Agent or Firm:
Nobuo Nakamura
Nishizawa Issei
Shoichi Masuka
Nishizawa Issei
Shoichi Masuka