About 22 results
https://drivepatents.com/patents/1079948 · 16 Feb 2005
The invention relates to an image processing system which detects foreign matter (8, 12) on a window of a vehicle with high reliability. The system includes an image processor (1), a first lamp (2), and a second lamp (3) and when to turn on the first and s...
https://drivepatents.com/patents/1080948 · 12 Jan 2005
There are provided a wiper control method and a wiper control device in which unnecessary wiping operation is not performed. When a fixed amount of water passing through a detection area 4, the water being carried by the wiping operation of a wiper 5b, is ...
https://drivepatents.com/patents/1083553 · 29 Sep 2004
The computer program has a first starting stage (30) in which the windscreen wiper is switched ON after the vehicle engine ignition has been switched ON. A reading stage (32) follows, in which a signal from a store (22) is read to determine when the windsc...
https://drivepatents.com/patents/1083981 · 15 Sep 2004
The raindrop and dirt particle sensor (1) has first and second LED's (3,4) and a photocell (5) for receiving reflected light, mounted on a conducting circuit board (6). A transparent optical coupling block (7) oscillator glued to the inside surface of the ...
https://drivepatents.com/patents/1084584 · 25 Aug 2004
The wiper control arrangement has a device (18,20) for detecting vehicle reversing and controls the rear screen wiper so that, on detecting (18) reversing of the vehicle, one rear screen wiper (14) wiping cycle is carried out if the vehicle screens have be...
https://drivepatents.com/patents/1085326 · 28 Jul 2004
The method involves acquiring image data from the surroundings and additionally determining the weather situation from the image data. Image data from one or more areas of an image are compared and/or images acquired at several different times are used to ...
https://drivepatents.com/patents/1088848 · 17 Mar 2004
Rain sensor (10), especially for a motor vehicle, with a windscreen wiper system, has a measurement element (12) whose sensitivity can be set by a control unit (16). The control unit receives a signal (v) that is characteristic of the motor vehicle velocit...
https://drivepatents.com/patents/1092061 · 5 Nov 2003
Device for detecting condensation on a measurement surface comprises: a sensor element (101) that generates an output signal that is proportional to the condensation; an evaluation circuit to which the output signal is fed and which detects the onset of co...
https://drivepatents.com/patents/1094044 · 13 Aug 2003
The method involves a rain sensor in the windscreen wiping field generating a sensor signal for driving the wiper system depending on the moisture on the screen and varying the pause between two wiping processes or the wiper speed depending on the sensor s...
https://drivepatents.com/patents/1097037 · 9 Apr 2003
An object sensor is provided, which has a high object detection rate with respect to an object such as a raindrop adhering to a detection surface, and which is capable of detecting the presence/absence of an object with a high sensitivity. A light source 1...