Title:
AIR PUMP DEVICE AND SEWAGE SANITATION DEVICE PROVIDED WITH THE AIR PUMP DEVICE
Document Type and Number:
Japanese Patent JP2001329964
Kind Code:
A
Abstract:
To easily return present time and time data on backwash-starting and backwash-finishing when a runaway micro-computer is reset.
A real time clock counting a clock data and connected to another power supply separately provided from a micro-computer and a memory means for memorizing a backwash time data are connected to the micro-computer used for a control means. A present time datum is read out from the real time clock after a reset of the micro-computer is started and the present time datum is set on the micro-computer.
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Inventors:
KOBAYASHI HISAHIRO
ANZAI AKIHIDE
WATANABE SHIGEO
ASHIZAWA KOZO
ANZAI AKIHIDE
WATANABE SHIGEO
ASHIZAWA KOZO
Application Number:
JP2000151594A
Publication Date:
November 30, 2001
Filing Date:
May 23, 2000
Export Citation:
Assignee:
HITACHI CHEMICAL CO LTD
International Classes:
F04B49/10; C02F3/00; C02F3/20; (IPC1-7): F04B49/10; C02F3/00; C02F3/20
Attorney, Agent or Firm:
Yukihiko Takada (1 outside)
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