Patent ID: 11875712
Assignee: nan
Field: Audio-visual technology (Electrical engineering)
Classification: CPC B  G  H | IPC G  H

Claim 14:
15. A safety sign device for a vehicle, the safety sign device comprising:
a hinge being coupled a side of the vehicle;
an arm comprising
an elongate base,
an electric motor coupled to the elongate base,
an elongate housing coupled to the elongate base,
a plurality of visual indicators carried by the elongate housing, and
a connection assembly coupled between elongate base and the elongate housing; and

a sign coupled to the arm and being substantially parallel to the arm;
the electric motor configured to extend and retract the arm between a retracted position and an extended position;
an image sensor; and
a sensor coupled to the image sensor and configured to detect when the arm is flexed beyond a threshold limit while in the extended position.