Magnetic sensors and hall effect magnetic sensors for determining the earth's magnetic field and associated local fields; and magnetic sensors and hall effect magnetic sensors for monitoring the position of flaps used to direct air in air conditioning systems through different vents, for monitoring the position of steerable vehicle lamps, and for monitoring the position of movable automatic vehicle parts

Air conditioners for vehicles incorporating magnetic sensors and hall effect magnetic sensors for measuring or determining movement of automotive vehicle parts; and lighting systems for vehicles incorporating magnetic sensors and hall effect magnetic sensors for measuring or determining movement and/or position of movable automotive lights