Alert systems and methods for a vehicle
US9349263B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 14, 2013 |
| Grant date | May 24, 2016 |
| Priority date | — |
| Expiry date | Apr 15, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60N2002/981
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Methods and vehicles are provided for providing haptic feedback to a vehicle occupant. In one embodiment, the method includes determining at least one of interior conditions and exterior conditions of a vehicle. The vehicle includes a plurality of haptic actuators disposed in a seat. The method further includes calculating at least one of a pulse width modulation (PWM) pattern and an on/off compensation pattern based on the determined interior conditions and exterior conditions. The method further includes generating a signal with active periods that include at least one of the calculated patterns to command the plurality of haptic actuators to produce haptic pulses.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.