A drive motor for at least one wiper arm intended to wipe a glazed surface of a motor vehicle is disclosed. The motor includes a cam surface linked in concentric rotation with a rotary shaft of the drive motor, and static cam reading means able to cooperate with said cam according to the angular positions occupied by said cam to generate electrical control signals varying as a function of the angular position of the wiper arm on the glazed surface. The cam has a first circular conductive track, a second semi-circular conductive track concentric to the first conductive track and connected to same via a conductive bridge, in which the static reading means are formed by three sliding contacts able to make and break electrical contact with respectively the first and second conductive tracks and the conductive bridge depending on the angular positions occupied by said cam.

The invention relates to a method for controlling a wiper device (10) by means of a control and/or regulating unit (12). At least one operating parameter is set dependent on at least one parameter which differs from a vehicle window coverage parameter.

Method and apparatus are disclosed for monitoring windshield vibrations for vehicle collision detection. An example vehicle includes a windshield, a vibration sensor coupled to the windshield to detect window vibrations of the windshield, a first accelerometer to detect vehicle body vibrations of a vehicle body, and a restraint control module. The restraint control module is to detect an event based upon the window vibrations and determine whether the event is a collision event or a non-collision event responsive to comparing the window vibrations and the vehicle body vibrations.

A motor control apparatus that controls a brushless motor which operates a wiper arm so as to swing, the motor control apparatus including: a position detection part that detects a rotation position of a rotor; and a control part that performs a sine wave drive of the brushless motor at a time of a low output mode in which an output of the brushless motor is low and that, at a time of a high output mode in which an output is higher than an output at the time of the low output mode, allows a power distribution angle to be an angle that is larger than 120 degrees and distributes power to the brushless motor at a timing when a predetermined electric angle is advanced with reference to the rotation position of the rotor.

A motor control apparatus that controls a brushless motor which operates a wiper arm so as to swing, the motor control apparatus including: a position detection part that detects a rotation position of a rotor; and a control part that performs a sine wave drive of the brushless motor at a time of a low output mode in which an output of the brushless motor is low and that, at a time of a high output mode in which an output is higher than an output at the time of the low output mode, allows a power distribution angle to be an angle that is larger than 120 degrees and distributes power to the brushless motor at a timing when a predetermined electric angle is advanced with reference to the rotation position of the rotor.

A windshield-wiper system includes a precipitation-detector, a windshield-wiper actuator, an object-detector, and a controller. The precipitation-detector detects precipitation proximate to a host-vehicle. The windshield-wiper actuator clears the precipitation from a windshield of the host-vehicle. The object-detector detects a distance of an object to the host-vehicle. The controller is in communication with the precipitation-detector, the windshield-wiper actuator, and the object-detector. The controller determines when the precipitation is present based on the precipitation-detector, determines the distance from the object to the host-vehicle based on the object-detector, and adjusts a speed of the windshield-wiper actuator when the precipitation is detected and the object is less than a distance-threshold away from the host-vehicle.

A camera device for a motor vehicle includes a camera module with a module body having at least one aperture, a sensor adapted to detect electromagnetic radiation of a spectral range and arranged within the module body, and an optical element mounted to substantially cover, fill or close the aperture, a deployment system adapted to move the camera module between a retracted state, in which at least the optical element is arranged within the cavity of the vehicle body with the outer surface of the camera module body being generally flush with the exterior of the vehicle body, and a deployed state, in which the camera sensor is operable and at least the optical element protrudes from the vehicle body, and cleaning means for cleaning the optical element at least during movement of the camera module between the retracted state and the deployed state.

A wiper system according to the present invention includes wiper blades (2a, 2b) that perform a reciprocating wiping operation on a windshield (3), and a raindrop sensor (9) that detects the current amount of rainfall based on water droplets adhering to the windshield (3). If rainfall more than or equal to a predetermined amount is detected by the raindrop sensor (9), a heavy rain mode in which a wiping range of the wiper blades (2a, 2b) is made narrower than in a normal wiping operation is carried out. In the heavy rain mode, the wiper blade (2a) arranged on the driver's side is activated at high speed (Hi) within a heavy rain time wiping area X set near the forward field of view of the driver to ensure the field of view of the driver.

A rain sensor of a vehicle and a control method thereof are provided to solve a problem that a measurement result of rainfall varies according to a glass specification of a windshield even under the same rainfall condition by tuning sensitivity of the rain sensor in accordance with the glass specification of the windshield. For this, a method of determining the glass specification of the rain sensor includes determining the glass specification of the windshield from a light-receiving signal obtained by receiving light reflected by the windshield of the vehicle, and eliminating a deviation between light-receiving signals by glass specification, which is caused by a difference in the glass specification, by applying parameter tuning according to a glass specification to the light-receiving signal.

A windshield wiper system for an aircraft is provided and includes a motor, an output shaft, a wrap spring and crank rocker mechanism (WSCRM) to which the motor and the output shaft are coupled and a controller. By way of the WSCRM, first directional rotation input to the WSCRM from the motor via a two-stage gear reduction is converted such that the output shaft drives wiper blade oscillation through a first sweep angle and second directional rotation input to the WSCRM from the motor is converted such that the output shaft drives wiper blade oscillation through a second sweep angle. The controller is configured to control the motor such that the first directional rotation is continuously or non-continuously input during first or second flight conditions, respectively, and the second directional rotation is continuously input during third flight conditions.