Automatic emergency signal means for vehicles
 An antomatic emergency signal device for vehicles including: a casing mounted in a vehicle, a movable weight movable in a groove longitudinally formed in the casing, a sensor actuated by the movable weight due to inertia of the movable weight upon a sudden or emergency braking of the vehicle for sensing a trigger signal, a controller electrically connected with the sensor for receiving the trigger signal output from the sensor, and at least a warning light provided at a rear portion of the vehicle and electrically connected to the controller to be controlled for the turning on or off of the warning light, whereby upon an emergency stop of the vehicle, the warning light will be automatically lit for an effective warning for the following car for enhancing traffic safety. 
B
B60Q
inventional
Ting-Lung
Huang