公开(公告)号：US3745523A

公开(公告)日：1973-07-10

申请号：US3745523D

申请日：1971-10-20

Applicant: ALLIED CHEM

Inventor： LEWIS D ,  GORDON W ,  WULBRECHT R

IPC: B60R21/01 ,  B60R21/00

CPC classification number: B60R21/0173

Abstract: A circuit for firing the gas generating system of an inflatable safety bag device includes a capacitor which is charged from the battery at such time as the ignition switch is closed. A light emitter is connected to the capacitor so as to be energized during the charging of the capacitor. A sensor detects output from this light and controls the energization of a second light emitter. In the event the first light emitter emits light following the closure of the ignition switch, indicating proper operation of the circuitry, the second light emitter will be deenergized. Fiber optic bundles lead from both of the light emitters to a visual indicator assembly mounted on the dashboard of the vehicle. An alternate embodiment of the invention employs only a single light emitter diode which is normally energized and is deenergized in the event an inductive sensing means does not detect the proper operation of the charging circuitry.

Abstract translation: 用于点燃充气安全袋装置的气体发生系统的电路包括在点火开关闭合时从电池充电的电容器。 光发射器连接到电容器，以在电容器的充电期间被激励。 传感器检测来自该光的输出并控制第二发光器的通电。 如果是冷杉