Title:
ガスメータ
Document Type and Number:
Japanese Patent JP7086570
Kind Code:
B2
Abstract:
To provide a gas meter which only requires simple tasks for inspection.SOLUTION: A microcomputer 17 switches a mode between a normal measurement mode and an inspection measurement mode every time a short circuit is determined at predetermined time intervals T1 in a pair of A-line terminals Te1 and Te1. Also, the microcomputer 17 automatically switches the mode from the inspection measurement mode to the normal measurement mode if the microcomputer stays in the inspection measurement mode for a predetermined time or longer after the mode is switched from the normal measurement mode to the inspection measurement mode.SELECTED DRAWING: Figure 1
More Like This:
| JP2003021545 | FLOW RATE MEASURING INSTRUMENT, GAS METER, AND CUTOFF VALVE CONTROLLER |
| JPS5595828 | GAS METER |
| JP2002162275 | FLOW PASSAGE CHANGEOVER TYPE FLOW RATE MEASURING DEVICE |
Inventors:
Shinichi Kawakubo
Application Number:
JP2017220084A
Publication Date:
June 20, 2022
Filing Date:
November 15, 2017
Export Citation:
Assignee:
Yazaki Energy System Co., Ltd.
International Classes:
G01F3/22
Domestic Patent References:
| JP8160149A | ||||
| JP4132600U | ||||
| JP2012127652A | ||||
| JP2012251725A | ||||
| JP2002090199A |
Attorney, Agent or Firm:
Fumio Takino
Toshiaki Tsuda
Fukuda Yasuhiro
Toshiaki Tsuda
Fukuda Yasuhiro