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| Number | Title | Issue Date |
| 4595866 | Windshield wiper control apparatus An automotive wiper control apparatus has an infrared emitting unit outside an occupant compartment, a photodetector unit inside the compartment in optical alignment with the infrared emitting unit, and an electric control for automatically controlling th... | 06/17/1986 |
| 4589771 | Electro-optical liquid detector assembly An electro-optical liquid detector assembly comprises a transparent substrate attached at its front surface to a portion of the interior surface of a wind-shield where the exterior surface of the wind-shield is wiped by a wiper blade, a light emission ele... | 05/20/1986 |
| 4588935 | Method for controlling automobile device when sensor output is abnormal A control method performed in response to the occurrence of an abnormal sensor output during the operation of monitoring the output signal of a sensor and controlling the operation of an automobile device such as a wiper. A microcomputer detects the prese... | 05/13/1986 |
| 4584508 | Rain sensor in an automatic wiper drive control system for an automotive vehicle A rain sensor for an automotive wiper control system detects rain conditions to produce a rain condition indicative signal. The rain sensor includes a vibrator, the outer surface of which is exposed to rain drops and which vibrates or oscillates at an amp... | 04/22/1986 |
| 4567412 | Automatic wiper actuator for a vehicle window A control system for a motor driven wiper on a vehicle window comprises a voltage generator effective to generate a first rectangular voltage wave having a substantially constant frequency and duty cycle and apparatus effective to derive two additional re... | 01/28/1986 |
| 4554493 | Automated windshield wiper system An apparatus for automatic activation and control of windshield wipers in response to moisture accumulation at the exterior surface of the windshield, including a pair of thin wires sandwiched within the windshield and positioned below the surface of the ... | 11/19/1985 |
| 4542325 | Rain condition dependent wiper control system for an automotive vehicle In an automotive windshield wiper control system, a rain sensor provides a rain condition-indicative signal useful in controlling the wiper in its intermittent operation mode. That signal is integrated to yield a value representing rain accumulation on th... | 09/17/1985 |
| 4527106 | Windshield wiper control system with improved precipitation sensor A control system activates motor vehicle windshield wipers when an improved sensing element senses precipitation. The element comprises a thin, substantially planar sheet of electrically insulating material which is impervious to precipitation. First and ... | 07/02/1985 |
| 4499410 | Device for automatically adjusting the frequency of activation of a motor vehicle windscreen wiper A device for automatic adjustment of the frequency of activation of a motor vehicle windscreen wiper driven by a motor is described. The main characteristic of the device lies in the fact that it comprises circuit means which control the frequency of acti... | 02/12/1985 |
| 4463294 | Windshield wiper control apparatus A control circuit for a windshield wiper motor which utilizes a plurality of infrared emitters that emit a chain of infrared pulses towards a plurality of infrared sensors. When rain passes between the infrared emitters and the infrared sensors, it will i... | 07/31/1984 |
| 4355271 | Control apparatus Control apparatus for controlling windscreen wiper apparatus of a vehicle. An infra-red radiating device directs infra-red radiation from the interior of the vehicle through the windscreen to be reflected from the outer surface of the windscreen back into... | 10/19/1982 |
| 4339698 | Control apparatus for windshield wiper system Control apparatus for an electric windshield wiper motor to permit a plurality of desirable windshield wiper system features to be realized including continuous and intermittent wiping operation with variable dwell, and coordinated manual or automatic was... | 07/13/1982 |
| 4317073 | Windshield wiper control system An automatic control system for a vehicle windshield wiper system which includes a plurality of sensors which are activated in response to various degrees of moisture precipitation or rain and an electronic control circuit adapted to be activated by the s... | 02/23/1982 |
| 4132881 | Electrically heated vehicle window having plural moisture sensing probes The glass pane of a vehicle window is provided on the surface of its central viewing area with a plurality of spaced, parallel linear heating resistors. First and second buses, disposed laterally of the central viewing area, extend transversely of the res... | 01/02/1979 |
| 4131834 | Windshield wiper control system An automatic control system for a vehicle windshield wiper system which includes a plurality of sensors which are activated in response to various degrees of moisture precipitation or rain and an electronic control circuit adapted to be activated by the s... | 12/26/1978 |
| 4127763 | Heated window with a moisture sensor having a high impedance A window has a heating grid and a moisture sensor formed thereon for connection to a detector which automatically controls the heating. The sensor has an output terminal and another terminal connected to a heating conductor, the sensor being positioned ou... | 11/28/1978 |
| 4010383 | Precipitation detector for arrangements which control windshield wipers and/or washers, and the like The arrangement includes at least one upper and one lower cooperating sensor element, each comprised of a naked electrically conductive portion adjoining the corresponding portion of the other and together defining an interelectrode gap. The naked portion... | 03/01/1977 |
| 3962617 | Current limiting impedance network for dryer control A current limiting impedance network for a dryer control in which a controlled conduction device, such as an SCR, is connected to shunt an AC motor to selectively prevent operation of the motor, in which a current limiting, power dissipating resistor is r... | 06/08/1976 |
