Magnetic personal turning monitor
US4839809A · kind A · utility
11Cited by
3References
5Claims
0Family size
Inventors
Key dates
| Filing date | Aug 4, 1987 |
| Grant date | Jun 13, 1989 |
| Priority date | — |
| Expiry date | Aug 4, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/1121
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A device for measuring the handedness, left and right, of human ambulatory turning behavior includes a rugged and compact sensing means in the form a Hall-effect compass or flux gate compass, as well as computation and storage and read-out elements for the total number of turns, half turns and quarter turns made by a patient wearing the device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.