Object detecting apparatus
US7504943B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 25, 2006 |
| Grant date | Mar 17, 2009 |
| Priority date | — |
| Expiry date | Mar 15, 2027 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05Y2900/531
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An object detecting apparatus includes: a piezoelectric sensor including a first electrode, a piezoelectric material surrounding the first electrode, and a second electrode surrounding the piezoelectric material and provided at an outer edge portion at a side of an opening of a door for a vehicle having a door panel; a signal processing circuit measuring a potential difference between the first electrode and the second electrode; and a connecting line connecting the first electrode and the second electrode to the signal processing circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.