Automatic windshield wiper apparatus with raindrop detector for automotive vehicles and methods for automatically controlling wiper apparatus
US5119002A · kind A · utility
39Cited by
12References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 22, 1990 |
| Grant date | Jun 2, 1992 |
| Priority date | — |
| Expiry date | Oct 22, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S318/02
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A wiper apparatus comprises a wiper motor, a wiper switch, a moisture sensor for sensing presence of moisture, a vibration sensor for sensing a vibration caused by raindrops and a controller for actuating the wiper motor in accordance with output signals from the moisture sensor and the vibration sensor. The apparatus is free from the malfunction and works automatically by sensing even a drizzling rain.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.