Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
COUNTER ELECTROMOTIVE FORCE PREVENTIVE UNIT
Document Type and Number:
WIPO Patent Application WO/2004/109887
Kind Code:
A1
Abstract:
A unit for preventing a counter electromotive force of a battery. The noise due to the counter electromotive force produced when the load of a battery or charging generator is turned on/off can be prevented, and the noise produced from the sparker of car audio equipment, which is an electric product, can be also prevented. The unit can be attached to an existing battery easily. A reverse blocking diode (104) and a fuse (105) blown by overcurrent are connected in series between the positive and negative lead wires (102, 103) which are connected to the positive and negative terminals of a battery, a DC supply source, respectively. A capacitor (106) is connected in parallel with the reverse blocking diode (104).

Inventors:
YAMASHITA HIROSHI (JP)
Application Number:
PCT/JP2004/007645
Publication Date:
December 16, 2004
Filing Date:
May 27, 2004
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
AUDIO LABO CORP (JP)
NTT GP ECO COMMUNICATION INC (JP)
YAMASHITA HIROSHI (JP)
International Classes:
H01M10/44; H02H9/04; (IPC1-7): H02J1/00
Foreign References:
JPH0847244A1996-02-16
JP2001326300A2001-11-22
JPH079849A1995-01-13
Attorney, Agent or Firm:
Shiga, Masatake (Yaesu Chuo-ku, Tokyo, JP)
Download PDF: