Abnormality detecting device
US8159343B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 18, 2009 |
| Grant date | Apr 17, 2012 |
| Priority date | — |
| Expiry date | Oct 29, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N7/188
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The abnormality detecting device of this invention comprises a movement detecting unit detecting a presence of a movement of a body based on a video signal in a monitored area, a body detecting unit detecting a predetermined body existence based on the video signal, a brightness level detecting unit detecting a brightness level of the video signal, a determining unit determining whether the detected brightness level is within a predetermined range, a first abnormality detecting unit, in case the brightness level is determined within the predetermined range, detecting the abnormal state occurrence when the movement of the body is detected and the predetermined body is detected, and a second abnormality detecting unit, in case the brightness level is determined to be outside the predetermined range, detecting the abnormal state occurrence when a movement of a body is detected, and detecting the abnormal state occurrence when the predetermined body is detected.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.