|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||123/644; 123/650; 123/651; 123/652|
|§371/§102 date||20031222 (20031222)|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 5 인용 특허 : 3|
An igniter of the present invention has an insulated gate semiconductor device having a collector terminal, an emitter terminal and a gate terminal, a current control circuit which limits current by controlling voltage at the gate terminal when current for flowing through the insulated gate semiconductor device exceeds a fixed value, a voltage monitor circuit for detecting a potential of the collector, and a control current adjusting circuit for controlling current which flows through the gate terminal by receiving output from the voltage monitor circuit...
The invention claimed is: 1. An onboard igniter, characterized by including: a pair of main terminals for carrying main current; an insulated gate semiconductor device having a control terminal for controlling said main current; a current detection terminal; a current control circuit for limiting said main current by controlling voltage of a control electrode when said main current exceeds a fixed value; a voltage monitor circuit for detecting voltage of said pair of main terminals; and a control current adjusting circuit for controlling current for flo...