B PERFORMING OPERATIONS; TRANSPORTING
B60 VEHICLES IN GENERAL
B60R VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
B60R21/00 Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
B60R21/01 Electrical circuits for triggering; passive; safety arrangements,; e.g. airbags, safety belt tighteners,; in case of vehicle accidents or impending vehicle accidents
B60R21/013 including means for detecting collisions, impending collisions or roll-over
B60R21/0136 responsive to actual contact with an obstacle; , e.g. to vehicle deformation, bumper displacement or bumper velocity relative to the vehicle