Title:
GAS USABLE RESIDUAL TIME CONVERTING AND DISPLAY METHOD USED FOR GAS SUPPLY CONTROL SYSTEM AND THE GAS SUPPLY CONTROL SYSTEM
Document Type and Number:
Japanese Patent JP3751719
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To eliminate a feeling of uneasiness that a gas appliance user has by converting the residual amount of usable gas into a residual usable gas time and displaying the residual usable gas time.
SOLUTION: The gas supply control system 1 is constituted including a gas meter inspection unit 2 and a gas supply control unit 3 having a residual usable time calculating function for calculating the residual usable gas time from the residual usable gas and a residual usable time display function for displaying the found residual usable gas time. This system finds gas consumption per unit time in advance. The residual usable gas amount written to a prepaid card is read out and converted into a residual usable gas time according to the found gas consumption per unit time and the read residual usable gas amount, so that the converted residual usable gas amount is displayed.
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Inventors:
Akihiro Harada
Isao Masuda
Fumiko Yamashita
Isao Masuda
Fumiko Yamashita
Application Number:
JP21227097A
Publication Date:
March 01, 2006
Filing Date:
August 06, 1997
Export Citation:
Assignee:
Yazaki Corporation
International Classes:
G07F7/08; G07F15/06; (IPC1-7): G07F15/06; G07F7/08
Domestic Patent References:
| JP62271096A | ||||
| JP63143697A | ||||
| JP7210754A |
Attorney, Agent or Firm:
Hidekazu Miyoshi