Control of windshield wiper by integration and differentiation of sensor signal
US5140233A · kind A · utility
18Cited by
10References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 30, 1990 |
| Grant date | Aug 18, 1992 |
| Priority date | — |
| Expiry date | Nov 30, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S318/02
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method and a system for controlling a windshield wiper, particularly on a motor vehicle, provides that the windshield wiper is automatically activated as a function of the intensity of rain. A frequency-limited variation of the signal of a sensor serves as a measure of the intensity of the rain.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.