System activity change indicator
US4794533A · kind A · utility
96Cited by
9References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 7, 1986 |
| Grant date | Dec 27, 1988 |
| Priority date | — |
| Expiry date | Nov 7, 2006 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/377
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A system for measuring changes in the number of maxima and minima occurring in a signal over time which changes indicate activity changes in a subject from which the signal measured is obtained.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.