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Patent Searching and Data


Title:
IGNITION DEVICE OF INTERNAL COMBUSTION ENGINE
Document Type and Number:
WIPO Patent Application WO/2002/059478
Kind Code:
A1
Abstract:
A control circuit (130) carries out ON/OFF control of the primary current in an ignition coil in response to an input ignition control signal. The control circuit (130) and an insulated-gate bipolar power transistor (IGBT) (110) are integrated on a monolithic silicon substrate. The control circuit (130) includes a plurality of control circuit blocks of different functions formed on the silicon substrate. The circuit functions of the control circuit blocks are enabled and disabled by changing wiring patterns.

Inventors:
ITO TAKASHI (JP)
SATO RYO (JP)
SUGIURA NOBORU (JP)
Application Number:
PCT/JP2001/000428
Publication Date:
August 01, 2002
Filing Date:
January 24, 2001
Export Citation:
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Assignee:
HITACHI LTD (JP)
ITO TAKASHI (JP)
SATO RYO (JP)
SUGIURA NOBORU (JP)
International Classes:
F02P3/045; F02P3/055; H01L27/06; H01L29/739; H03K17/082; H03K17/08; (IPC1-7): F02P3/04
Foreign References:
JPH09177647A1997-07-11
JPH11201013A1999-07-27
JP2000244078A2000-09-08
JPS6021093A1985-02-02
JPS5367359A1978-06-15
Attorney, Agent or Firm:
Kasuga, Yuzuru (Nihonbashi-Kodenmacho Chuo-ku Tokyo, JP)
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