Title:
GAS METER
Document Type and Number:
Japanese Patent JP2001356037
Kind Code:
A
Abstract:
To solve the problem that a battery should be replaced when the battery is used up in conventional arrangements.
A power generation part 15 which operates with a supplied gas energy is used, thereby eliminating replacing the battery. Moreover, in comparison with the thermoelectric generation of electricity utilizing only a solar battery using the sun light or only a temperature difference to the outside air, etc., an electricity can be stably supplied without being affected by an environmental condition and the gas meter is made compact and light-weight with 7 superior installation.
Inventors:
KAYAMA HIROYUKI
HIROSE TORU
YABUUCHI HIDETAKA
HIROSE TORU
YABUUCHI HIDETAKA
Application Number:
JP2000176408A
Publication Date:
December 26, 2001
Filing Date:
June 13, 2000
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
G01F1/00; G01F1/66; G01F15/06; G08C15/00; H01M8/04; H02K21/14; H02N11/00; G01F3/22; (IPC1-7): G01F3/22; G01F1/00; G01F1/66; G01F15/06; H01M8/04; H02N11/00
Domestic Patent References:
| JPH08122109A | 1996-05-17 | |||
| JPH11250385A | 1999-09-17 | |||
| JPH09126854A | 1997-05-16 | |||
| JPH11237042A | 1999-08-31 | |||
| JPH11132466A | 1999-05-21 | |||
| JPH11287676A | 1999-10-19 |
Attorney, Agent or Firm:
Fumio Iwahashi (2 others)