Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
ELECTRONIC DEVICE AND CONTROL THEREOF
Document Type and Number:
Japanese Patent JPH09308131
Kind Code:
A
Abstract:

To make it possible to use energy stored in a battery effectively by eliminating a memory effect of the battery.

Battery packs 1, 2 are connected to a circuit section through switching means 3, 4 and 5, 6 respectively. Usually, one of the switching means is turned on and power is supplied by that switching means. When a residual capacity of the battery which is supplying power is detected and the detected value is a specified level or below, the battery is changed over to the other battery and the battery which has been used is forcibly discharged. The discharging current is used for charging the other battery by a DC-DC converter 40a.


Inventors:
MINOWA MASAHIRO
KUROSE KOICHI
Application Number:
JP12066896A
Publication Date:
November 28, 1997
Filing Date:
May 15, 1996
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
SEIKO EPSON CORP
International Classes:
G06F1/26; G06F1/28; H02J7/00; H02J7/04; H02J7/34; H02J9/06; (IPC1-7): H02J9/06; G06F1/26; G06F1/28; H02J7/00; H02J7/04; H02J7/34
Attorney, Agent or Firm:
鈴木 喜三郎 (外1名)



 
Previous Patent: PORTBLE FEEDER DEVICE

Next Patent: DC POWER UNIT