Distance measuring equipment for a car
US5160971A · kind A · utility
54Cited by
3References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 27, 1991 |
| Grant date | Nov 3, 1992 |
| Priority date | — |
| Expiry date | Sep 27, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60S1/0848
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Distance measuring equipment for a car arranged such that a wiper is driven only when a light reflection condition of a non-reflecting protective glass is detected with the light input/output to the glass. Additionally, it can be arranged such that the measuring operation is interrupted only when a driving angle of the wiper resides in a predetermined measuring angle range on the protective glass.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.