Video recording apparatus and monitoring apparatus
US6795642B2 · kind B2 · utility
7Cited by
5References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 30, 2001 |
| Grant date | Sep 21, 2004 |
| Priority date | — |
| Expiry date | Jul 30, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N5/9205
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
When a video input (image data) sequentially fetched from a monitor camera is to be stored in data storage means, frame rate calculating means calculates a frame rate for storage of the image data by using a picture recording time mode, a residual capacity of the data storage means, the presence of generation of an alarm signal and a value of a picture quality parameter for data compression. The frame rate calculating means thins a video signal which does not correspond to the frame rate so as not to be stored in the data storage means. Consequently, image data for a predetermined time are stored in the data storage means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.