Method and device for monitoring body movement by detecting pattern changes in the distance variations between proximity sensors and their respective sensor zone
US9877669B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 15, 2013 |
| Grant date | Jan 30, 2018 |
| Priority date | — |
| Expiry date | Oct 15, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2562/0257
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method and device (10) are provided for monitoring regular movement of the body (20) of a human subject, such as an infant. The device (10) includes electronic circuitry, an alarm and attachment means (14) for attaching to the subject's body (18), a first non-contact proximity sensor (22), and a second proximity sensor. When the device (10) is attached to the subject's body, the two proximity sensors (22,24) monitor movement of the subject's body in two sensor zones a first sensor zone (23) and a second sensor zone (25) that is father from the device than the first sensor zone (23). If a pattern in the distances monitored in either sensor (22,24) changes by a predetermined extent, that alarm is activated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.