Load body state judging device, vehicle seat and computer program
US7496457B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 22, 2005 |
| Grant date | Feb 24, 2009 |
| Priority date | — |
| Expiry date | Mar 22, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60N2210/40
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A load body state is judged from time series data of an emphasis displacement inclination obtained by collecting displacement signal data of the load body state using a displacement signal collection sensor, determining a rate of change for every arbitrary interval of an original waveform as an original waveform displacement inclination at an operating unit, and at the same time, determining time series data of an average displacement inclination for every prescribed time period range from a plurality of original waveform displacement inclinations, and by determining an emphasis displacement inclination through slide calculation of time series data of the average displacement inclination for every prescribed sampling time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.