Self-cleaning plate-shaped device including a vibrator with oscillations parallel to the plane of the plate
US5136425A · kind A · utility
24Cited by
8References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 23, 1989 |
| Grant date | Aug 4, 1992 |
| Priority date | — |
| Expiry date | Jun 23, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R1/0602
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An automotive mirror is provided with an actuator which provides vibrations to the mirror so as to remove foreign substances from the surface of the mirror. The actuator may be piezoelectric device which operates in a predetermined, control manner so as to remove foreign substances from the mirrored surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.