Wheel chair drive apparatus and method
US7174093B2 · kind B2 · utility
15Cited by
38References
36Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 30, 2004 |
| Grant date | Feb 6, 2007 |
| Priority date | — |
| Expiry date | Dec 30, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61G2203/36
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A control system for a powered wheel chair drive modulates a pulse power delivery signal such that power is delivered gradually at throttle positions corresponding to a low speed, and power is delivered more rapidly at throttle positions corresponding to a higher speed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.