Class / Patent application number | Description | Number of patent applications / Date published |
318483000 | Moisture content or wetness | 8 |
20090066285 | FRONT/REAR WIPER ALGORITHM - A wiper system for a vehicle includes a first wiper assembly, a second wiper assembly spaced apart from the first wiper assembly, and a controller in communication with at least one of the first wiper assembly and the second wiper assembly. The controller controls at least one of the first wiper assembly and the second wiper assembly based on at least one of an aerodynamic characteristic of the vehicle and a soiling characteristic of the vehicle. | 03-12-2009 |
20090134830 | Apparatus and Method for Controlling Vehicular Wiper - A wiper controlling apparatus capable of discriminating between a signal change at the time of a wiper blade passage and that at the time of a raindrop impact so as to allow a wiper control promptly responding to the change in the condition of the sensing surface is provided. An estimating part ( | 05-28-2009 |
20100308763 | MOTOR DRIVE APPARATUS - A motor drive apparatus for driving a motor in a normal rotation direction or a reverse rotation direction in accordance with a state of operation of an operation switch has a first semiconductor switching device that switches ON/OFF state based on a normal rotation instruction provided by the operation switch, a second semiconductor switching device that switches ON/OFF state based on a reverse rotation instruction provided by the operation switch, a control circuit for controlling drive of the motor in the normal rotation direction or the reverse rotation direction, based on the ON/OFF state of the first and second semiconductor switching devices, and a wetting detection circuit for detecting wetting and controlling operation of the first and second semiconductor switching devices. The control circuit has a first terminal connected to the first semiconductor switching device, a second terminal connected to the second semiconductor switching device, a low level terminal for receiving and outputting a signal having a voltage value lower than a reference voltage value defined in advance, and a high level terminal for receiving and outputting a signal having a voltage value higher than the reference voltage value. When the wetting detection circuit detects wetting, voltage values of the first terminal and the second terminal are less than the reference voltage value. The first terminal and the second terminal are separated from the high level terminal, and are arranged in proximity to the low level terminal. | 12-09-2010 |
20110031921 | RAIN SENSOR - During rain, including a light source ( | 02-10-2011 |
20110084641 | APPARATUS AND METHOD FOR AUTOMATICALLY CONTROLLING WIPER OF VEHICLE - Provided is an apparatus and method for automatically controlling a wiper of a vehicle, the apparatus including a light emitting means to output one or more optical signals to an inside of a front glass of the vehicle, a light receiving means to receive the optical signals output from the light emitting means, and a control means to control the wiper of the vehicle to be driven based on a light receiving efficiency with respect to received signals received by the light receiving means, when operating in an automatic wiper control mode. Since driving of the wiper is automatically controlled based on the light receiving efficiency of optical signals output to the inside of the front glass, it is possible to secure a visual field of a driver without a need to separately manipulate manually a wiper controller. | 04-14-2011 |
20120062163 | WIPER CONTROL APPARATUS - In a wiper control apparatus, a water drop detector outputs an output signal in accordance with water drops adhering to a windshield of a vehicle. When a traveling determination portion determines that the vehicle is traveling, a first level setting portion sets a sensitivity for detecting the output signal to a first sensitivity. When the traveling determination portion determines the vehicle is not traveling, a second level setting portion sets the sensitivity for detecting the output signal to a second sensitivity that is larger than the first sensitivity. A water drop adhesion determination portion determines that water drops adhere to the windshield when a determination waiting time elapses in a state where detection of the output signal continues. A driving control portion controls a wiper driving portion to drive the wiper when the water drop adhesion determination portion determines that water drops adhere to the windshield. | 03-15-2012 |
20130257331 | ELECTRIC MOTOR AND ELECTRICAL APPARATUS EQUIPPED WITH SAME - An electric motor includes a magnet rotor which is placed with an air gap interposed between it and a stator and has a magnetic pole portion formed from a plastic magnet which swells by hydrogen bonds, an inverter circuit, a DC-voltage conversion portion, a driving logic control portion, a supply current value control portion, a current value designation portion, a reference current value designation portion, and a correlation designation portion, wherein the correlation designation portion determines an average current value by changing the average current value linearly or non-linearly with respect to a reference current value, and the magnetic pole portion absorbs moisture to swell, thereby making the air gap smaller, at higher humidity than a reference humidity. | 10-03-2013 |
20140265980 | ADJUSTABLE RAIN SENSOR SETTING BASED ON PROXIMITY VEHICLE DETECTION - A system for adjusting the wipers of a vehicle based on the use of rain and proximity detecting subsystem on a given vehicle for detecting the presence of rain and one or more other vehicles in proximity to the given vehicle, such that the wipers of the given vehicle can be automatically operated to better respond to material such as rain, snow, or other material being splashed on the given vehicle by the other vehicle(s). This system may utilize sensor subsystems used for other purposes for use as the proximity sensors. | 09-18-2014 |