System for controlling a vehicle window and the like
US4481450A · kind A · utility
244Cited by
4References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 29, 1983 |
| Grant date | Nov 6, 1984 |
| Priority date | — |
| Expiry date | Mar 29, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S318/02
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
For use in a motor vehicle having a windshield, a control system comprises a raindrop sensor which emits a beam of radiation into a section of the windshield from the inner surface thereof at such an angle of incidence that the beam reflects off the outer surface and detects the reflected beam to convert it into a first signal. The first signal is compared with a reference value to generate a second signal. A motor control circuit is responsive to the second signal for closing a window of the vehicle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.