Hybrid control of haptic feedback for host computer and interface device
US6411276B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 13, 2000 |
| Grant date | Jun 25, 2002 |
| Priority date | — |
| Expiry date | Oct 13, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2203/015
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A hybrid haptic feedback system in which a host computer and haptic feedback device share processing loads to various degrees in the output of haptic sensations, and features for efficient output of haptic sensations in such a system. A haptic feedback interface device in communication with a host computer includes a device microcontroller outputting force values to the actuator to control output forces. In various embodiments, the microcontroller can determine force values for one type of force effect while receiving force values computed by the host computer for a different type of force effect. For example, the microcontroller can determine closed loop effect values and receive computed open loop effect values from the host; or the microcontroller can determine high frequency open loop effect values and receive low frequency open loop effect values from the host. Various features allow the host to efficiently stream computed force values to the device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.